One document matched: draft-ietf-eman-energy-aware-mib-03.txt
Differences from draft-ietf-eman-energy-aware-mib-02.txt
Network Working Group J. Parello
Internet-Draft B. Claise
Intended Status: Standards Track Cisco Systems, Inc.
Expires: April 30, 2012 October 31, 2011
Energy-aware Networks and Devices MIB
draft-ietf-eman-energy-aware-mib-03
Status of this Memo
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with the provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on September, 2011.
Internet-Draft <Energy-aware Networks and Devices MIB> Oct 2011
Copyright Notice
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document authors. All rights reserved.
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Provisions Relating to IETF Documents
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Abstract
This document defines a subset of a Management Information Base
(MIB) for energy management of devices. The module addresses
device identification, context information, and the
relationships between reporting devices, remote devices, and
monitoring devices.
Conventions used in this document
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL",
"SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT
RECOMMENDED", "MAY", and "OPTIONAL" in this document are to
be interpreted as described in RFC 2119 [RFC2119].
Table of Contents
1. Introduction............................................3
1.1. Energy Management Document Overview................3
2. The Internet-Standard Management Framework..............4
3. Requirements and Use Cases..............................4
4. Terminology.............................................5
5. Architecture Concepts Applied to the MIB Module.........5
5.1 Energy Object Identification........................7
5.2 Energy Object Context...............................8
5.3 Links to Other Identifiers..........................9
5.4 Child: Energy Object Relationships..................9
5.5 Parent: Energy Object Relationships................11
5.6 Energy Object Identity Persistence.................11
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6. Structure of the MIB...................................12
7. MIB Definitions........................................13
8. Security Considerations................................29
9. IANA Considerations....................................30
10. References............................................30
10.1. Normative References.............................30
10.2. Informative References...........................31
11. Acknowledgments.......................................32
1. Introduction
The EMAN standards provides network administrators with a
specification for Energy Management. This document defines a
subset of a Management Information Base (MIB) for use with
network management protocols for Energy monitoring of Electrical
Equipments (for example network devices and devices attached to
the network.)
This focus of this MIB module is on monitoring Energy Objects as
defined in [EMAN-FMWK]. The module addresses Energy Object
Identification, Energy Object Context, and Energy Object
Relationships.
Devices and their sub-components are characterized by the power-
related attributes of a physical entity present in the ENTITY
MIB [RFC4133].
1.1. Energy Management Document Overview
This document specifies the Energy-Aware Networks and Devices
MIB. This document is based on the Energy Management Framework
[EMAN-FMWK] and meets the requirements specified in the Energy
Management requirements [EMAN-REQ].
The Power and Energy Monitoring MIB [EMAN-MON-MIB] contains the
Energy Objects for monitoring of Power States, along with the
Power and Energy consumption of Electrical Objects. Power State
monitoring includes: retrieving Power States, Power State
properties, current Power State, Power State transitions, and
Power State statistics. This MIB module provides the detailed
properties of the Power, Energy, along with optional
characteristics.
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EDITOR'S NOTE: Replace characteristics with consensus term when
defined. This is electrical qualities or characteristics.
The applicability statement document [EMAN-AS] provides the list
of use cases, cross-reference between existing standards and the
EMAN standard, and shows how the EMAN framework relates to other
frameworks.
2. The Internet-Standard Management Framework
For a detailed overview of the documents that describe the
current Internet-Standard Management Framework, please refer to
section 7 of RFC 3410 [RFC3410].
Managed objects are accessed via a virtual information store,
termed the Management Information Base or MIB. MIB objects are
generally accessed through the Simple Network Management
Protocol (SNMP). Objects in the MIB are defined using the
mechanisms defined in the Structure of Management Information
(SMI). This memo specifies MIB modules that are compliant with
SMIv2, which is described in STD 58, RFC 2578 [RFC2578], STD 58,
RFC 2579 [RFC2579] and STD 58, RFC 2580 [RFC2580].
3. Requirements and Use Cases
Requirements for power and energy monitoring for networking
devices are specified in [EMAN-REQ]. The requirements in [EMAN-
REQ] include communications network devices, such as switches,
routers, and various connected endpoints and Electrical
Equipments.
The use cases for this MIB are specified in the EMAN
applicability statement document [EMAN-AS].
EDITOR'S NOTE: say a few words about the use cases when we will
have a stable version of the EMAN applicability statement
document.
Accordingly, the scope of the MIB module in this document is in
accordance to the requirements specified in [EMAN-REQ] and the
use cases in [EMAN-AS].
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4. Terminology
The definitions of basic terms like Energy Management, Energy
Monitoring, Power, Energy, Energy Object, Energy Object Parent,
Energy Object Child, Energy Management Domain, Power State,
Power State Set, Energy Object Relationships, Aggregation
Relationship, Power Source Relationship, Proxy Relationship,
Dependency Relationship, Nameplate Power can be found in the
temporary draft[EMAN-TERMINOLOGY].
EDITOR'S NOTE: all terms will be copied over from the final
version of the [EMAN-TERMINOLOGY] draft.
5. Architecture Concepts Applied to the MIB Module
This section describes the basic concepts specified in the
Energy Management Architecture [EMAN-FMWK], with specific
information related to the MIB module specified in this document
The following diagram shows the relationship of the identifying
information.
+--------------------------+
| EO Context Information |
| ------------------------ |
| eoRoleDescription |
| eoKeywords |
| eoImportance |
| eoPowerCategory |
+--------------------------+
|
|
v
+--------------------------------+
| EO Identification |
|_------------------------------ |
|->| entPhysIndex (*) |
| | entPhysicalName (*) |
| | entPhysicalUris (*) (EO UUID) |
| | eoDomainName |
| | eoMgmtMacAddress |
| | eoMgmtAddress |
| | eoMgmtAddressType |
| | eoMgmtDNSName |
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| +--------------------------------+
|
|
| +------------------------------+
|--| Links to other Identifiers |
| | ---------------------------- |
| | eoEthPortIndex (**) |
| | eoEthPortGrpIndex (**) |
| | eoLldpPortNumber (***) |
| | eoAlternateKey |
| +------------------------------+
|
|
| +-------------------------------------------+
|--| EO Child Relationships (optional) |
| | ----------------------------------------- |
| | eoMeteredBy (Parent(s) UUID list) |
| | eoPoweredBy (Parent(s) UUID list |
| | eoDependentOf (Parent(s) UUID list) |
| | eoAggregatedBy (Parent(s) UUID list |
| | eoProxyBy (Parent(s) UUID list) |
| | eoParentProxyAbilities (Parent abilities)|
| +-------------------------------------------+
|
|
| +-----------------------------------------+
|--| EO Parent Relationships (optional) |
| --------------------------------------- |
| eoChildrenList (Child(ren) UUID list) |
+-----------------------------------------+
+-----------------------------------------+
| EO Identity Persistence |
| --------------------------------------- |
| eoTablePersistence (boolean) |
+-----------------------------------------+
(*) Compliance From the ENTITY MIB [RFC4133]
(**) Link with the Power over Ethernet MIB [RFC3621]
(***) Link with LLDP MIBs [LLDP-MIB] [LLDP-MED-MIB]
Figure 1: MIB Objects Grouping
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As displayed in figure 1, there are six different logical groups
of MIB objects in the ENERGY-AWARE-MIB module:
1) The Energy Object Identification. See Section 5.1 "Energy
Object Identification"
2) The Context Information. See Section 5.2 "Energy Object
Context"
3) The links to other MIB modules. See Section 5.3 "Links to
other Identifiers"
4) The Energy Object Child Relationships specific information.
See Section 5.4 "Child: Energy Objects Relationship."
5) The Energy Object Parent Relationships specific information.
See Section 5.5 "Parent: Energy Objects Relationship."
6) The Energy Object Identity Persistence. See Section 5.6
"Energy Object Identity Persistence"
5.1 Energy Object Identification
Refer to the "Energy Object Information" section in [EMAN-FMWK]
for background information about Energy Objects.
Every Energy Object MUST support the unique index,
entPhysicalIndex, from the ENTITY MIB [RFC4133], which is used
as index for the primary Energy Object information in the
ENERGY-AWARE-MIB module eoTable table.
The ENERGY-AWARE-MIB MIB module, specified in this document
requires the implementation of some managed objects in the
ENTITY MIB [RFC4133].
Other ENTITY MIB managed objects MAY be implemented.
Every Energy Object MUST have a printable name. Energy Objects
MUST implement the entPhysicalName object specified in the
ENTITY-MIB, which must contain the Energy Object name.
By the [RFC4133] definition, the entPhysicalUris contains a
white space separated list of Uniform Resource Identifier
(s)(URIs). For the ENERGY-AWARE-MIB compliance, every Energy
Object instance MUST implement the entPhysicalUris from the
ENTITY MIB [RFC4133]. The entPhysicalUris MUST contain the
Energy Object UUID, according to [RFC4122].
As displayed in [RFC4122], the following is an example of the
string representation of a UUID as a URN: urn:uuid:f81d4fae-
7dec-11d0-a765-00a0c91e6bf6.
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Other ENTITY MIB managed objects, next to entPhysicalIndex,
entPhysicalName, and entPhysicalUris, MAY be implemented.
When a Energy Object Parent acts as a Power Aggregator or a
Power Proxy, the Energy Object Parent and its Energy Object
Child/Children MUST be members of the same Energy Management
Domain, specified by the eoDomainName MIB Object.
Each Energy Object MUST belong to a single Energy Management
Domain or in other words, a Energy Object cannot belong to more
than one Energy Management Domain. Refer to the "Energy
Management Domain" section in [EMAN-FMWK] for background
information. The eoDomainName, which is an element of the
eoTable, is a read-write MIB object. The Energy Management
Domain should map 1-1 with a metered or sub-metered portion of
the site. The Energy Management Domain MUST be configured on
the Energy Object Parent. The Energy Object Children MAY
inherit their domain parameters from the Energy Object Parent or
the Energy Management Domain MAY be configured directly in a
Energy Object Child.
The eoMgmtMacAddress, eoMgmtAddress, eoMgmtAddressType, and
eoMgmtDNSName MIB objects SHOULD be implemented for Energy
Object Children, and MAY be implemented for Energy Object
Parents.
5.2 Energy Object Context
Refer to the "Energy Object Context" section in [EMAN-FMWK] for
background information.
A Energy Object can provide a eoImportance value in the range of
1..100 to help differentiate the use or relative value of the
device. The importance range is from 1 (least important) to 100
(most important). The default importance value is 1.
A Energy Object can provide a set of eoKeywords. These keywords
are a list of tags that can be used for grouping and summary
reporting within or between Energy Management Domains.
Additionally, a Energy Object can provide a eoRoleDescription
string that indicates the purpose the Energy Object serves in
the network or for the site/business.
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5.3 Links to Other Identifiers
While the entPhysicalIndex is the primary index for all MIB
objects in the ENERGY-AWARE-MIB module, the Energy Management
Systems (EnMS) must be able to make the link with the
identifier(s) in other supported MIB modules.
The Energy Object eoethPortIndex and eoethPortGrpIndex MUST
contain the values of pethPsePortIndex and pethPsePortGroupIndex
from the Power over Ethernet MIB [RFC3621], if the Power over
Ethernet MIB is supported by the Energy Object SNMP agent.
The Energy Object eoLldpPortNumber MUST contain the
lldpLocPortNum from the LLDP MIB [LLDP-MIB], if the LLDP-MED MIB
is supported on the Energy Object SNMP agent.
The intent behind the links to the other MIB module
identifier(s) is to correlate the instances in the different MIB
modules. This will allow the ENERGY-AWARE-MIB to reference
other MIB modules in cases where the Power over Ethernet and the
LLDP MIB modules are supported by the SNMP agent. Some use
cases may not implement any of these two MIB modules for the
Energy Objects. However, in situation where any of these two
MIB modules is implemented, the EnMS must be able to correlate
the instances in the different MIB modules.
The eoAlternateKey alternate key object specifies a manufacturer
defined string that can be used to identify the Energy Object.
Since EnMS may need to correlate objects across management
systems, this alternate key is provided to facilitate such a
link. This optional value is intended as a foreign key or
alternate identifier for a manufacturer or EnMS to use to
correlate the unique Energy Object Id in other systems or
namespaces. If an alternate key is not available or is not
applicable then NULL should be returned.
5.4 Child: Energy Object Relationships
Refer to the "Energy Object Parent and Child" section in [EMAN-
FMWK] for background information.
In order to link the Energy Object Child and the Energy Object
Parent, multiple objects are introduced in the MIB module.
Depending on the Energy Object Relationship type, the following
objects are appropriate:
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Metering Relationship -> eoMeteredBy
Power Source Relationship -> eoPoweredBy
Dependency Relationship -> eoDependentOf
Aggregation Relationship -> eoAggregatedBy
Proxy Relationship -> eoProxyBy,
-> eoParentProxyAbilities
Each object contains the list of Energy Object Parent UUIDs for
the specific Energy Object Relationship type. The UUIDs MUST
comply to the RFC 4122 specifications. The object contains URIs
and, therefore, the syntax of this object must conform to RFC
3986 [RFC3986], section 2. Multiple URIs may be present and are
separated by white space characters. Leading and trailing white
space characters are ignored.
For example, if an Energy Object Child is powered by two power
sources, eoPoweredBy would contain the two power sources UUIDs,
separated by a space: "urn:uuid:f81d4fae-7dec-11d0-a765-
00a0c91e6bf6 urn:uuid:abcdec11-7abc-23e1-b876-00a0c91e6bf8".
The eoParentProxyAbilities object is specific to the Proxy
Relationship. This object describes the capabilities of the
Energy Object Parent for the Energy Object Child represented by
the entPhysicalIndex. The possible capabilities are: report,
configuration, and/or wakeonlan. This object only applies to an
Energy Object Child.
If the Energy Object is not an Energy Object Child, or if the
Energy Object doesn't have a Energy Object Relationship, the
eoMeteredBy, eoPoweredBy, eoDependentOf, eoAggregatedBy,
eoProxyBy, and eoParentProxyAbilities objects are not
instantiated. A zero length octet string MAY also be returned
in this case.
The Energy Object Child can indicate that it wants its Energy
Object Parent to proxy capabilities such as, energy reporting,
power state configurations, non physical wake capabilities (such
as Wake-on-LAN)), or any combination of capabilities. These
capabilities are indicated in the eoParentProxyAbilities object.
In the case of Energy Object Parent, the eoParentProxyAbilities
MUST be set to "none" (0).
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Since the communication between the Energy Object Parent and
Energy Object Child may not be via SNMP (as defined in EMAN-
FMWK), a Energy Object Child can have additional MIB objects
that can be used for easier identification by the EnMS. The
optional objects eoMgmtMacAddress, eoMgmtAddressType
eoMgmtDNSName can be used to help identify the relationship
between the child and other NMS objects. These objects can be
used as an alternate key to help link the Energy Object with
other keyed information that may be stored within the EnMS(s).
The eoMeteredBy, eoPoweredBy, eoDependentOf, eoAggregatedBy,
eoProxyBy, and eoParentProxyAbilities implementations are
optional.
5.5 Parent: Energy Object Relationships
When the Energy Object is an Energy Object Parent, the
eoChildrenList object represents the list of Energy Object
Child(ren) UUIDs. This UUID list will help in the network
discovery of Energy Objects, using the Energy Object Parent as
entry points.
eoChildrenList has the same format as the eoMeteredBy,
eoPoweredBy, eoDependentOf, eoAggregatedBy, and eoProxyBy. The
UUIDs MUST comply to the RFC 4122 specifications. The UUIDs
MUST comply to the RFC 4122 specifications. The eoChildrenList
object contains URIs and, therefore, the syntax of this object
must conform to RFC 3986 [RFC3986], section 2. Multiple URIs
may be present and are separated by white space characters.
Leading and trailing white space characters are ignored.
If the Energy Object is not an Energy Object Parent, the
eoChildrenList objects is not instantiated. A zero length octet
string MAY also be returned in this case.
The eoChildrenList implementation is optional.
5.6 Energy Object Identity Persistence
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In some situations, the Energy Object identity information
should be persistent even after a device reload. For example,
in a static setup where a switch monitors a series of connected
PoE phones, there is a clear benefit for the EnMS if the Energy
Object Identification and all associated information persist, as
it saves a network discovery. However, in other situations,
such as a wireless access point monitoring the mobile user PCs,
there is not much advantage to persist the Energy Object
Information. Therefore, a specific MIB object, the
eoTablePersistence, enables and disables the persistence
globally for all Energy Objects information in the ENERGY-AWARE-
MIB module.
6. Structure of the MIB
The primary MIB object in this MIB module is the energyAwareMIB
Object. The eoTable table of energyAwareMIB Object describes an
entity in the network that is a Energy Object according the
[EMAN-FMWK].
+-- rwn TruthValue eoTablePersistence(1)
+- eoTable(2)
|
+- eoEntry(1) [entPhysicalIndex]
| |
| +-- r-n PhysicalIndexOrZero eoPhysicalEntity(1)
| +-- r-n PethPsePortIndexOrZero eoEthPortIndex(2)
| +-- r-n PethPsePortGroupIndexOrZero eoEthPortGrpIndex(3)
| +-- r-n LldpPortNumberOrZero eoLldpPortNumber(4)
| +-- rwn SnmpAdminString eoDomainName(5)
| +-- rwn SnmpAdminString eoRoleDescription(6)
| +-- rwn MacAddress eoMgmtMacAddress(7)
| +-- r-n eoMgmtAddressType eoMgmtAddressType(8)
| +-- r-n InetAddress eoMgmtAddress(9)
| +-- r-n SnmpAdminString eoMgmtDNSName(10)
| +-- rwn SnmpAdminString eoAlternateKey(11)
| +-- rwn EnergyObjectKeywordList eoKeywords(12)
| +-- rwn Integer32 eoImportance(13)
| +-- r-n INTEGER eoPowerCategory(14)
| +-- r-n OCTET STRING eoMeteredBy(15)
| +-- r-n OCTET STRING eoPoweredBy(16)
| +-- r-n OCTET STRING eoDependentOf(17)
| +-- r-n OCTET STRING eoAggregatedBy(18)
| +-- r-n OCTET STRING eoAggregatedBy(19)
| +-- r-n BITS eoParentProxyAbilities(20)
| +-- r-n OCTET STRING eoChildrenList(21)
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7. MIB Definitions
-- ************************************************************
--
--
-- This MIB is used for describing the identity and the
-- context information of Energy Objects in network
--
--
-- *************************************************************
ENERGY-AWARE-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY,
OBJECT-TYPE,
mib-2,
Integer32
FROM SNMPv2-SMI
TEXTUAL-CONVENTION, MacAddress, TruthValue
FROM SNMPv2-TC
MODULE-COMPLIANCE,
OBJECT-GROUP
FROM SNMPv2-CONF
SnmpAdminString
FROM SNMP-FRAMEWORK-MIB
InetAddressType, InetAddress
FROM INET-ADDRESS-MIB
PhysicalIndexOrZero
FROM ENTITY-MIB;
energyAwareMIB MODULE-IDENTITY
LAST-UPDATED "201103050000Z"
ORGANIZATION "IETF EMAN Working Group"
CONTACT-INFO
"WG Charter:
http://datatracker.ietf.org/wg/eman/charter/
Mailing Lists:
General Discussion: eman@ietf.org
To Subscribe: https://www.ietf.org/mailman/listinfo/eman
Archive: http://www.ietf.org/mail-archive/web/eman
Editors:
John Parello
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Cisco Systems, Inc.
3550 Cisco Way
San Jose, California 95134
US
Phone: +1 408 525 2339
Email: jparello@cisco.com
Benoit Claise
Cisco Systems, Inc.
De Kleetlaan 6a b1
Degem 1831
Belgium
Phone: +32 2 704 5622
Email: bclaise@cisco.com"
DESCRIPTION
"This MIB is used for describing the identity and the
context information of Energy Objects"
REVISION
"201103050000Z"
DESCRIPTION
"Initial version, published as RFC XXXX."
::= { mib-2 xxxxx }
energyAwareMIBNotifs OBJECT IDENTIFIER
::= { energyAwareMIB 0 }
energyAwareMIBObjects OBJECT IDENTIFIER
::= { energyAwareMIB 2 }
energyAwareMIBConform OBJECT IDENTIFIER
::= { energyAwareMIB 3 }
-- Textual Conventions
PethPsePortIndexOrZero ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"This textual convention is an extension of the
pethPsePortIndex convention, which defines a greater than
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zero value used to identify a power Ethernet PSE port.
This extension permits the additional value of zero. The
semantics of the value zero are object-specific and must,
therefore, be defined as part of the description of any
object that uses this syntax. Examples of the usage of
this extension are situations where none or all physical
entities need to be referenced."
SYNTAX Integer32 (0..2147483647)
PethPsePortGroupIndexOrZero::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"This textual convention is an extension of the
pethPsePortGroupIndex convention, which defines a greater
than zero value used to identify group containing the
port to which a power Ethernet PSE is connected. This
extension permits the additional value of zero. The
semantics of the value zero are object-specific and must,
therefore, be defined as part of the description of any
object that uses this syntax. Examples of the usage of
this extension are situations where none or all physical
entities need to be referenced."
SYNTAX Integer32 (0..2147483647)
LldpPortNumberOrZero ::= TEXTUAL-CONVENTION
DISPLAY-HINT "d"
STATUS current
DESCRIPTION
"This textual convention is an extension of the
LldpPortNumber convention specified in the LLDP MIB,
which defines a greater than zero value used to uniquely
identify each port contained in the chassis (that is
known to the LLDP agent) by a port number. This
extension permits the additional value of zero. The
semantics of the value zero are object-specific and must,
therefore, be defined as part of the description of any
object that uses this syntax. Examples of the usage of
this extension are situations where none or all physical
entities need to be referenced."
SYNTAX Integer32(0..4096)
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EnergyObjectKeywordList ::= TEXTUAL-CONVENTION
STATUS current
DESCRIPTION
"A list of keywords that can be used to group Energy
Objects for reporting or searching. If multiple keywords
are present, then this string will contain all the
keywords separated by the ',' character. For example, if
a Energy Object were to be tagged with the keyword values
'hospitality' and 'guest', then the keyword list will be
'hospitality,guest'."
SYNTAX OCTET STRING (SIZE (0..255))
-- Objects
eoTablePersistence OBJECT-TYPE
SYNTAX TruthValue
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object enables/disables persistence for
all entries in the eoTable. A value of True enables the
persistence, while a value of False disables the
persistence."
::= { energyAwareMIBObjects 1 }
eoTable OBJECT-TYPE
SYNTAX SEQUENCE OF EoEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists Energy Objects."
::= { energyAwareMIBObjects 2 }
eoEntry OBJECT-TYPE
SYNTAX EoEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry describes the attributes of a Energy Object.
Whenever a new Energy Object is added or deleted a row in
the eoTable is added or deleted."
AUGMENTS { entPhysicalIndex }
::= { eoTable 1 }
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EoEntry ::= SEQUENCE {
eoPhysicalEntity PhysicalIndexOrZero,
eoEthPortIndex PethPsePortIndexOrZero,
eoEthPortGrpIndex PethPsePortGroupIndexOrZero,
eoLldpPortNumber LldpPortNumberOrZero,
eoDomainName SnmpAdminString,
eoRoleDescription SnmpAdminString,
eoMgmtMacAddress MacAddress,
eoMgmtAddressType InetAddressType,
eoMgmtAddress InetAddress,
eoMgmtDNSName SnmpAdminString,
eoAlternateKey SnmpAdminString,
eoKeywords EnergyObjectKeywordList,
eoImportance Integer32,
eoPowerCategory INTEGER,
eoMeteredBy OCTET STRING,
eoPoweredBy OCTET STRING,
eoDependentOf OCTET STRING,
eoAggregatedBy OCTET STRING,
eoProxyBy OCTET STRING,
eoParentProxyAbilities BITS,
eoChildrenList OCTET STRING
}
eoPhysicalEntity OBJECT-TYPE
SYNTAX PhysicalIndexOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object contains the index of a physical entity in
the ENTITY MIB [RFC4133]. This physical entity is the
given observation point. If such a physical entity
cannot be specified or is not known then the object is
zero."
::= { eoEntry 1 }
eoEthPortIndex OBJECT-TYPE
SYNTAX PethPsePortIndexOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This variable uniquely identifies the power Ethernet
port to which the attached device is connected [RFC3621].
If such a power Ethernet port cannot be specified or is
not known then the object is zero."
::= { eoEntry 2 }
eoEthPortGrpIndex OBJECT-TYPE
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SYNTAX PethPsePortGroupIndexOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This variable uniquely identifies the group containing
the port to which a power Ethernet PSE is connected
[RFC3621]. If such a group cannot be specified or is not
known then the object is zero."
::= { eoEntry 3 }
eoLldpPortNumber OBJECT-TYPE
SYNTAX LldpPortNumberOrZero
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This variable uniquely identifies the port component
(contained in the local chassis with the LLDP agent) as
defined by the lldpLocPortNum in the [LLDP-MIB] and
[LLDP-MED-MIB]. If such a port number cannot be specified
or is not known then the object is zero."
::= { eoEntry 4 }
eoDomainName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object specifies the name of a Energy Management
Domain for the Energy Object. This object specifies a
null string if no Energy Management Domain name is
configured. The value of eoDomainName must remain
constant at least from one re-initialization of the
entity's network management system to the next re-
initialization."
::= { eoEntry 5 }
eoRoleDescription OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object specifies an administratively assigned name
to indicate the purpose an Energy Object serves in the
network.
For example, we can have a phone deployed to a lobby with
eoRoleDescription as 'Lobby phone'.
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This object specifies a null string if no role
description is configured."
::= { eoEntry 6 }
eoMgmtMacAddress OBJECT-TYPE
SYNTAX MacAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object specifies a MAC address of the Energy
Object. This object typically only applies to Energy
Object Children. This object can be used as an alternate
key to help link the Energy Object with other keyed
information that may be stored within the EnMS(s). The
eoMgmtMacAddress MIB object SHOULD be implemented for
Energy Object Children, and MAY be implemented for Energy
Object Parents."
::= { eoEntry 7 }
eoMgmtAddressType OBJECT-TYPE
SYNTAX InetAddressType
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object specifies the eoMgmtAddress type, i.e. an
IPv4 address or an IPv6 address. This object MUST be
implemented when eoMgmtAddress is populated. The
eoMgmtAddressType MIB object SHOULD be implemented for
Energy Object Children, and MAY be implemented for Energy
Object Parents."
::= { eoEntry 8 }
eoMgmtAddress OBJECT-TYPE
SYNTAX InetAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object specifies the management address as an IPv4
address or IPv6 address of Energy Object. The IP address
type, i.e. IPv4 or IPv6, is determined by the
eoMgmtAddressType value. This object can be used as an
alternate key to help link the Energy Object with other
keyed information that may be stored within the EnMS(s).
The eoMgmtAddress MIB object SHOULD be implemented for
Energy Object Children, and MAY be implemented for Energy
Object Parents."
::= { eoEntry 9 }
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eoMgmtDNSName OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object specifies the DNS name of the eoMgmtAddress.
This object can be used as an alternate key to help link
the Energy Object with other keyed information that may
be stored within the EnMS(s). The eoMgmtDNSName MIB
objects SHOULD be implemented for Energy Object Children,
and MAY be implemented for Energy Object Parents."
::= { eoEntry 10 }
eoAlternateKey OBJECT-TYPE
SYNTAX SnmpAdminString
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object specifies a manufacturer defined string that
can be used to identify the Energy Object. Since Energy
Management Systems (EnMS) and Network Management Systems
(NMS) may need to correlate objects across management
systems, this alternate key is provided to provide such a
link. This optional value is intended as a foreign key or
alternate identifier for a manufacturer or EnMS/NMS to
use to correlate the unique Energy Object Id in other
systems or namespaces. If an alternate key is not
available or is not applicable then NULL should be
returned."
::= { eoEntry 11 }
eoKeywords OBJECT-TYPE
SYNTAX EnergyObjectKeywordList
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object specifies a list of keywords that can be
used to group Energy Objects for reporting or searching.
This object specifies the null string if no keywords have
been configured. If multiple keywords are present, then
this string will contain all the keywords separated by
the ',' character. For example, if a Energy Object were
to be tagged with the keyword values 'hospitality' and
'guest', then the keyword list will be
'hospitality,guest'.
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If write access is implemented and a value is written
into the instance, the agent must retain the supplied
value in the eoKeywords instance associated with
the same physical entity for as long as that entity
remains instantiated. This includes instantiations
across all re-initializations/reboots of the network
management system."
::= { eoEntry 12 }
eoImportance OBJECT-TYPE
SYNTAX Integer32 (1..100)
MAX-ACCESS read-write
STATUS current
DESCRIPTION
"This object specifies a ranking of how important the
Energy Object is (on a scale of 1 to 100) compared with
other Energy Objects in the same Energy Management
Domain. The ranking should provide a business or
operational context for the Energy Object as compared to
other similar Energy Objects. This ranking could be used
as input for policy-based network management.
Although network managers must establish their own
ranking, the following is a broad recommendation:
90 to 100 Emergency response
80 to 90 Executive or business critical
70 to 79 General or Average
60 to 69 Staff or support
40 to 59 Public or guest
1 to 39 Decorative or hospitality"
DEFVAL { 1 }
::= { eoEntry 13 }
eoPowerCategory OBJECT-TYPE
SYNTAX INTEGER {
consumer(0),
producer(1),
consumer-producer(2),
meter(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object describes the Energy Object category, which
indicates the expected behavior or physical property of
the Energy Object, based on its design. A Energy Object
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can be a consumer(0), producer(1) or consumer-producer
(2) or meter (3).
There are devices with a dual mode - consuming energy and
producing of energy and those are identified as consumer-
producer.
In some cases, a meter is required to measure the power
consumption. In such a case, this meter Energy Object
category is meter(3). "
::= { eoEntry 14 }
eoMeteredBy OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When this Energy Object is an Energy Object Child, this
object represents the list of Energy Object Parent
Universally Unique Identifiers (UUIDs) for the Metering
Relationship.
The UUIDs must comply to the RFC 4122 specifications.
The object contains URIs and, therefore, the syntax of
this object must conform to RFC 3986, section 2.
Multiple URIs may be present and are separated by white
space characters. Leading and trailing white space
characters are ignored.
If this Energy Object is not an Energy Object Child, or
if the Energy Object doesn't have a Metering
Relationship, the object is not instantiated. A zero
length octet string may also be returned in this case."
REFERENCE
"RFC 3986, Uniform Resource Identifiers (URI): Generic
Syntax, section 2, August 1998.
RFC 4122, Uniform Resource Identifier (UUID) URN
Namespace, July 2005."
::= { eoEntry 15 }
eoPoweredBy OBJECT-TYPE
SYNTAX OCTET STRING
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MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When this Energy Object is an Energy Object Child, this
object represents the list of Energy Object Parent
Universally Unique Identifiers (UUIDs) for the Power
Source Relationship.
The UUIDs must comply to the RFC 4122 specifications.
The object contains URIs and, therefore, the syntax of
this object must conform to RFC 3986, section 2.
Multiple URIs may be present and are separated by white
space characters. Leading and trailing white space
characters are ignored.
If this Energy Object is not an Energy Object Child, or
if the Energy Object doesn't have a Power Source
Relationship, the object is not instantiated. A zero
length octet string may also be returned in this case."
REFERENCE
"RFC 3986, Uniform Resource Identifiers (URI): Generic
Syntax, section 2, August 1998.
RFC 4122, Uniform Resource Identifier (UUID) URN
Namespace, July 2005."
::= { eoEntry 16 }
eoDependentOf OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When this Energy Object is an Energy Object Child, this
object represents the list of Energy Object Parent
Universally Unique Identifiers (UUIDs) for the Dependency
Relationship.
The UUIDs must comply to the RFC 4122 specifications.
The object contains URIs and, therefore, the syntax of
this object must conform to RFC 3986, section 2.
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Multiple URIs may be present and are separated by white
space characters. Leading and trailing white space
characters are ignored.
If this Energy Object is not an Energy Object Child, or
if the Energy Object doesn't have a Dependency
Relationship, the object is not instantiated. A zero
length octet string may also be returned in this case."
REFERENCE
"RFC 3986, Uniform Resource Identifiers (URI): Generic
Syntax, section 2, August 1998.
RFC 4122, Uniform Resource Identifier (UUID) URN
Namespace, July 2005."
::= { eoEntry 17 }
eoAggregatedBy OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When this Energy Object is an Energy Object Child, this
object represents the list of Energy Object Parent
Universally Unique Identifiers (UUIDs) for the
Aggregation Relationship.
The UUIDs must comply to the RFC 4122 specifications.
The object contains URIs and, therefore, the syntax of
this object must conform to RFC 3986, section 2.
Multiple URIs may be present and are separated by white
space characters. Leading and trailing white space
characters are ignored.
If this Energy Object is not an Energy Object Child, or
if the Energy Object doesn't have a Aggregation
Relationship, the object is not instantiated. A zero
length octet string may also be returned in this case."
REFERENCE
"RFC 3986, Uniform Resource Identifiers (URI): Generic
Syntax, section 2, August 1998.
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RFC 4122, Uniform Resource Identifier (UUID) URN
Namespace, July 2005."
::= { eoEntry 18 }
eoProxyBy OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When this Energy Object is an Energy Object Child, this
object represents the list of Energy Object Parent
Universally Unique Identifiers (UUIDs) for the Proxy
Relationship.
The UUIDs must comply to the RFC 4122 specifications.
The object contains URIs and, therefore, the syntax of
this object must conform to RFC 3986, section 2.
Multiple URIs may be present and are separated by white
space characters. Leading and trailing white space
characters are ignored.
If this Energy Object is not an Energy Object Child, or
if the Energy Object doesn't have a Proxy Relationship,
the object is not instantiated. A zero length octet
string may also be returned in this case."
REFERENCE
"RFC 3986, Uniform Resource Identifiers (URI): Generic
Syntax, section 2, August 1998.
RFC 4122, Uniform Resource Identifier (UUID) URN
Namespace, July 2005."
::= { eoEntry 19 }
eoParentProxyAbilities OBJECT-TYPE
SYNTAX BITS {
none(0),
report(1),
configuration(2),
wakeonlan(3)
}
MAX-ACCESS read-only
STATUS current
DESCRIPTION
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"This object describes the capabilities of the Energy
Object Parent for the Energy Object Child represented by
the entPhysicalIndex. This object only applies to a
Energy Object Child.
None (0) MUST be used when the Energy Object represented
by the entPhysicalIndex is a Energy Object Parent, and no
other bit can be set.
Report(1) indicates that the Energy Object Parent reports
the usage for the Energy Object Child represented by the
entPhysicalIndex.
Configuration(2) indicates that the Energy Object Parent
can configure the Power Level for the Energy Object Child
Child represented by the entPhysicalIndex.
Wakeonlan(3) indicates that the Energy Object Parent can
wake up the Energy Object Child, Child represented by the
entPhysicalIndex, whatever the mechanism."
::= { eoEntry 20 }
eoChildrenList OBJECT-TYPE
SYNTAX OCTET STRING
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"When this Energy Object is an Energy Object Parent, this
object represents the list of Energy Object Children
Universally Unique Identifiers (UUIDs).
The UUIDs must comply to the RFC 4122 specifications.
The object contains URIs and, therefore, the syntax of
this object must conform to RFC 3986, section 2.
Multiple URIs may be present and are separated by white
space characters. Leading and trailing white space
characters are ignored.
If this Energy Object is not an Energy Object Parent, the
object is not instantiated. A zero length octet string
may also be returned in this case."
REFERENCE
"RFC 3986, Uniform Resource Identifiers (URI): Generic
Syntax, section 2, August 1998.
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RFC 4122, Uniform Resource Identifier (UUID) URN
Namespace, July 2005."
::= { eoEntry 21 }
-- Conformance
energyAwareMIBCompliances OBJECT IDENTIFIER
::= { energyAwareMIBObjects 3 }
energyAwareMIBGroups OBJECT IDENTIFIER
::= { energyAwareMIBObjects 4 }
energyAwareMIBFullCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"When this MIB is implemented with support for
read-create, then such an implementation can
claim full compliance. Such devices can then
be both monitored and configured with this MIB."
MODULE -- this module
MANDATORY-GROUPS {
energyAwareMIBTableGroup
}
::= { energyAwareMIBCompliances 1 }
energyAwareMIBReadOnlyCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"When this MIB is implemented without support for
read-create (i.e. in read-only mode), then such an
implementation can claim read-only compliance. Such a
device can then be monitored but cannot be configured
with this MIB."
MODULE -- this module
MANDATORY-GROUPS {
energyAwareMIBTableGroup
}
OBJECT eoTablePersistence
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
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OBJECT eoDomainName
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT eoRoleDescription
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT eoKeywords
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
OBJECT eoImportance
MIN-ACCESS read-only
DESCRIPTION
"Write access is not required."
::= { energyAwareMIBCompliances 2 }
-- Units of Conformance
energyAwareMIBTableGroup OBJECT-GROUP
OBJECTS {
eoTablePersistence,
eoPhysicalEntity,
eoEthPortIndex,
eoEthPortGrpIndex,
eoLldpPortNumber,
eoDomainName,
eoRoleDescription,
eoMgmtMacAddress,
eoMgmtAddressType,
eoMgmtAddress,
eoMgmtDNSName,
eoAlternateKey,
eoKeywords,
eoImportance,
eoPowerCategory,
eoMeteredBy,
eoPoweredBy,
eoDependentOf,
eoAggregatedBy,
eoProxyBy,
eoParentProxyAbilities,
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eoChildrenList
}
STATUS current
DESCRIPTION
"This group contains the collection of all the objects
related to the EnergyObject."
::= { energyAwareMIBGroups 1 }
END
8. Security Considerations
Some of the readable objects in these MIB modules (i.e., objects
with a MAX-ACCESS other than not-accessible) may be considered
sensitive or vulnerable in some network environments. It is
thus important to control even GET and/or NOTIFY access to these
objects and possibly to even encrypt the values of these objects
when sending them over the network via SNMP.
There are a number of management objects defined in these MIB
modules with a MAX-ACCESS clause of read-write and/or read-
create. Such objects MAY be considered sensitive or vulnerable
in some network environments. The support for SET operations in
a non-secure environment without proper protection can have a
negative effect on network operations. The following are the
tables and objects and their sensitivity/vulnerability:
. Unauthorized changes to the eoDomainName, entPhysicalName,
eoRoleDescription, eoKeywords, and/or eoImportance MAY
disrupt power and energy collection, and therefore any
predefined policies defined in the network.
SNMP versions prior to SNMPv3 did not include adequate security.
Even if the network itself is secure (for example, by using
IPsec), there is still no secure control over who on the secure
network is allowed to access and GET/SET
(read/change/create/delete) the objects in these MIB modules.
It is RECOMMENDED that implementers consider the security
features as provided by the SNMPv3 framework (see [RFC3410],
section 8), including full support for the SNMPv3 cryptographic
mechanisms (for authentication and privacy).
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Further, deployment of SNMP versions prior to SNMPv3 is NOT
RECOMMENDED. Instead, it is RECOMMENDED to deploy SNMPv3 and to
enable cryptographic security. It is then a customer/operator
responsibility to ensure that the SNMP entity giving access to
an instance of these MIB modules is properly configured to give
access to the objects only to those principals (users) that have
legitimate rights to GET or SET (change/create/delete) them.
9. IANA Considerations
The MIB module in this document uses the following IANA-assigned
OBJECT IDENTIFIER values recorded in the SMI Numbers registry:
Descriptor OBJECT IDENTIFIER value
---------- -----------------------
energyAwareMIB { mib-2 xxx }
Additions to this MIB module are subject to Expert Review
[RFC5226], i.e., review by one of a group of experts designated
by an IETF Area Director. The group of experts MUST check the
requested MIB objects for completeness and accuracy of the
description. Requests for MIB objects that duplicate the
functionality of existing objects SHOULD be declined. The
smallest available OID SHOULD be assigned to a new MIB objects.
The specification of new MIB objects SHOULD follow the structure
specified in Section 6 and MUST be published using a well-
established and persistent publication medium.
10. References
10.1. Normative References
[RFC2119] S. Bradner, Key words for use in RFCs to Indicate
Requirement Levels, BCP 14, RFC 2119, March 1997.
[RFC2578] McCloghrie, K., Ed., Perkins, D., Ed., and J.
Schoenwaelder, Ed., "Structure of Management
Information Version 2 (SMIv2)", STD 58, RFC 2578, April
1999.
[RFC2579] McCloghrie, K., Ed., Perkins, D., Ed., and J.
Schoenwaelder, Ed., "Textual Conventions for SMIv2",
STD 58, RFC 2579, April 1999.
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[RFC2580] McCloghrie, K., Perkins, D., and J. Schoenwaelder,
"Conformance Statements for SMIv2", STD 58, RFC 2580,
April 1999.
[RFC3621] Berger, A., and D. Romascanu, "Power Ethernet MIB",
RFC3621, December 2003.
[RFC3986] Berners-Lee, T., Fielding, R., and L. Masinter,
"Uniform Resource Identifier (URI): Generic Syntax",
RFC 3986, January 2005
[RFC4122] Leach, P., Mealling, M., and R. Salz, "A Universally
Unique IDentifier (UUID) URN Namespace ", RFC 4122,
July 2005.
[RFC4133] Bierman, A. and K. McCloghrie, "Entity MIB (Version
3)", RFC 4133, August 2005.
[LLDP-MIB] IEEE 802.1AB-2005, "Management Information Base
module for LLDP configuration, statistics, local system
data and remote systems data components", May 2005.
[LLDP-MED-MIB] ANSI/TIA-1057, "The LLDP Management Information
Base extension module for TIA-TR41.4 media endpoint
discovery information", July 2005.
[EMAN-MON-MIB] M. Chandramouli, Schoening, B., Quittek, J.,
Dietz, T., and B. Claise "Power and Energy Monitoring
MIB", draft-ietf-eman-energy-monitoring-mib-01, October
2011.
10.2. Informative References
[RFC3410] Case, J., Mundy, R., Partain, D., and B. Stewart,
"Introduction and Applicability Statements for Internet
Standard Management Framework ", RFC 3410, December
2002.
[RFC5226] Narten, T. Alverstrand, H., A. and K. McCloghrie,
"Guidelines for Writing an IANA Considerations Section
in RFCs ", BCP 26, RFC 5226, May 2008.
[EMAN-REQ] Quittek, J., Winter, R., Dietz, T., Claise, B., and
M. Chandramouli, " Requirements for Energy Management",
draft-ietf-eman-requirements-04, work in progress, July
2011.
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[EMAN-FMWK] Claise, B., Parello, J., Schoening, B., and J.
Quittek, "Energy Management Framework", draft-ietf-
eman-framework-03, work in progress, October 2011.
[EMAN-AS] Tychon, E., Schoening, B., Chandramouli, M, and B.
Nordman, "Energy Management (EMAN) Applicability
Statement", draft-tychon-eman-applicability-statement-
05.txt, work in progress, October 2011.
[EMAN-TERMINOLOGY] J. Parello, "Energy Management Terminology",
draft-parello-eman-definitions-03, work in progress,
October 2011
11. Acknowledgments
The authors would like to thank Juergen Quittek, Brad Schoening,
Mouli Chandramouli, Juergen Schoenwaelder for their help, and
Michael Brown for improving the text dramatically.
Authors' Addresses
Benoit Claise
Cisco Systems, Inc.
De Kleetlaan 6a b1
Diegem 1813
BE
Phone: +32 2 704 5622
Email: bclaise@cisco.com
John Parello
Cisco Systems, Inc.
3550 Cisco Way
San Jose, California 95134
US
Phone: +1 408 525 2339
Email: jparello@cisco.com
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