One document matched: draft-thaler-dvmrp-mib-01.txt
Differences from draft-thaler-dvmrp-mib-00.txt
IDMR Working Group Dave Thaler
INTERNET-DRAFT University of Michigan
Expires December 1995 6 June 1995
Distance-Vector Multicast Routing Protocol MIB
<draft-thaler-dvmrp-mib-01.txt>
Status of this Memo
This document is an Internet-Draft. Internet-Drafts are working
documents of the Internet Engineering Task Force (IETF), its areas, and
its working groups. Note that other groups may also distribute working
documents as Internet-Drafts.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet- Drafts as reference material
or to cite them other than as "work in progress."
1. Introduction
This memo defines an experimental portion of the Management Information
Base (MIB) for use with network management protocols in the Internet
community. In particular, it describes managed objects used for
managing the Distance-Vector Multicast Routing Protocol (DVMRP) protocol
[5]. This MIB module is applicable to IP multicast routers which
implement DVMRP.
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2. The SNMPv2 Network Management Framework
The SNMPv2 Network Management Framework consists of four major com-
ponents. They are:
o RFC 1442 [1] which defines the SMI, the mechanisms used for
describing and naming objects for the purpose of management.
o STD 17, RFC 1213 [2] defines MIB-II, the core set of managed
objects for the Internet suite of protocols.
o RFC 1445 [3] which defines the administrative and other
architectural aspects of the framework.
o RFC 1448 [4] which defines the protocol used for network access to
managed objects.
The Framework permits new objects to be defined for the purpose of
experimentation and evaluation.
2.1. Object Definitions
Managed objects are accessed via a virtual information store, termed the
Management Information Base or MIB. Objects in the MIB are defined
using the subset of Abstract Syntax Notation One (ASN.1) defined in the
SMI. In particular, each object type is named by an OBJECT IDENTIFIER,
an administratively assigned name. The object type together with an
object instance serves to uniquely identify a specific instantiation of
the object. For human convenience, we often use a textual string,
termed the descriptor, to refer to the object type.
3. Overview
This MIB module contains two scalars and five tables. The tables are:
(1) the DVMRP Virtual Interface Table which contains one row for each
of the router's DVMRP virtual interfaces;
(2) the DVMRP Neighbor Table which contains one row for each of the
router's DVMRP neighbors; and
(3) the DVMRP Route Table which contains one row for each subnet in
the routing table;
(4) the DVMRP Routing Next Hop Table containing information on the
next hops for the routing IP multicast datagrams. Each entry
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is one of a list of next hops on outgoing virtual interfaces
for a particular subnet origin;
(5) the DVMRP Boundary Table which contains one row for each
administrative boundary. This should soon be moved to the IP
Multicast Routing MIB.
4. Revision History
6 June
(1) updated dvmrpMIB with IANA-assigned OID
(2) added dvmrpVInterfaceInOctets and dvmrpVInterfaceOutOctets
(3) added subnet(4) to dvmrpVInterfaceType
(4) modified dvmrpNeighborTable to be INDEX-ed by
dvmrpNeighborVifIndex and dvmrpNeighborAddress
(5) added dvmrpRouteTable and dvmrpRouteNextHopTable
23 March - initial version.
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5. Definitions
DVMRP-MIB DEFINITIONS ::= BEGIN
IMPORTS
MODULE-IDENTITY, OBJECT-TYPE, experimental,
Integer32, Counter32,
IpAddress, TimeTicks FROM SNMPv2-SMI
DisplayString FROM SNMPv2-TC
MODULE-COMPLIANCE, OBJECT-GROUP FROM SNMPv2-CONF;
dvmrpMIB MODULE-IDENTITY
LAST-UPDATED "9503231256Z"
ORGANIZATION "IETF IDMR Working Group."
CONTACT-INFO
" Dave Thaler
University of Michigan
1301 Beal Ave.
Ann Arbor, MI 48109-2122
EMail: thalerd@eecs.umich.edu"
DESCRIPTION
"The MIB module for management of DVMRP routers."
::= { experimental 62 }
dvmrpMIBObjects OBJECT IDENTIFIER ::= { dvmrpMIB 1 }
dvmrp OBJECT IDENTIFIER ::= { dvmrpMIBObjects 1 }
dvmrpVersion OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The router's version number."
::= { dvmrp 1 }
dvmrpGenerationId OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The generation identifier for the routing process. This is
used by neighboring routers to detect whether pruning
information should be resent."
::= { dvmrp 2 }
-- The DVMRP Virtual Interface Table
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dvmrpVInterfaceTable OBJECT-TYPE
SYNTAX SEQUENCE OF DvmrpVInterfaceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table listing the router's DVMRP virtual
interfaces."
::= { dvmrp 3 }
dvmrpVInterfaceEntry OBJECT-TYPE
SYNTAX DvmrpVInterfaceEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the dvmrpVInterfaceTable."
INDEX { dvmrpVInterfaceVifIndex }
::= { dvmrpVInterfaceTable 1 }
DvmrpVInterfaceEntry ::= SEQUENCE {
dvmrpVInterfaceVifIndex Integer32,
dvmrpVInterfaceType INTEGER,
dvmrpVInterfaceState INTEGER,
dvmrpVInterfaceLocalAddress IpAddress,
dvmrpVInterfaceRemoteAddress IpAddress,
dvmrpVInterfaceRemoteSubnetMask IpAddress,
dvmrpVInterfaceMetric Integer32,
dvmrpVInterfaceRateLimit Integer32,
dvmrpVInterfaceInPkts Counter32,
dvmrpVInterfaceOutPkts Counter32,
dvmrpVInterfaceInOctets Counter32,
dvmrpVInterfaceOutOctets Counter32
}
dvmrpVInterfaceVifIndex OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The ifIndex value of this DVMRP virtual interface."
::= { dvmrpVInterfaceEntry 1 }
dvmrpVInterfaceType OBJECT-TYPE
SYNTAX INTEGER { tunnel(1), srcrt(2), querier(3), subnet(4) }
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The type of this DVMRP virtual interface, whether it uses
a tunnel, source routing, a physical interface for which
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we are a querier, or a physical interface for which we are
not a querier."
::= { dvmrpVInterfaceEntry 2 }
dvmrpVInterfaceState OBJECT-TYPE
SYNTAX INTEGER { up(1), down(2), disabled(3) }
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The state of this DVMRP virtual interface."
::= { dvmrpVInterfaceEntry 3 }
dvmrpVInterfaceLocalAddress OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The IP address of the local end of this DVMRP virtual
interface."
::= { dvmrpVInterfaceEntry 4 }
dvmrpVInterfaceRemoteAddress OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The IP address of the remote end of this DVMRP virtual
interface. For a tunnel (including source routed), this
is the IP address of the neighboring router. For a subnet
(querier), this is the subnet address."
::= { dvmrpVInterfaceEntry 5 }
dvmrpVInterfaceRemoteSubnetMask OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The subnet mask for a directly connected subnet. For
a tunnel, this should be 0.0.0.0."
::= { dvmrpVInterfaceEntry 6 }
dvmrpVInterfaceMetric OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The distance metric this DVMRP virtual interface which
is used to calculate distance vectors."
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::= { dvmrpVInterfaceEntry 7 }
dvmrpVInterfaceRateLimit OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The rate-limit, in kilobits per second, of forwarded
multicast traffic on the DVMRP virtual interface."
::= { dvmrpVInterfaceEntry 8 }
dvmrpVInterfaceInPkts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets that have arrived on the DVMRP
virtual interface."
::= { dvmrpVInterfaceEntry 9 }
dvmrpVInterfaceOutPkts OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of packets that have been sent on the DVMRP
virtual interface."
::= { dvmrpVInterfaceEntry 10 }
dvmrpVInterfaceInOctets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of octets that have arrived on the DVMRP
virtual interface."
::= { dvmrpVInterfaceEntry 11 }
dvmrpVInterfaceOutOctets OBJECT-TYPE
SYNTAX Counter32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The number of octets that have been sent on the DVMRP
virtual interface."
::= { dvmrpVInterfaceEntry 12 }
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-- The DVMRP Neighbor Table
dvmrpNeighborTable OBJECT-TYPE
SYNTAX SEQUENCE OF DvmrpNeighborEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table listing the router's DVMRP
neighbors."
::= { dvmrp 4 }
dvmrpNeighborEntry OBJECT-TYPE
SYNTAX DvmrpNeighborEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the dvmrpNeighborTable."
INDEX { dvmrpNeighborVifIndex, dvmrpNeighborAddress }
::= { dvmrpNeighborTable 1 }
DvmrpNeighborEntry ::= SEQUENCE {
dvmrpNeighborVifIndex Integer32,
dvmrpNeighborAddress IpAddress,
dvmrpNeighborUpTime TimeTicks,
dvmrpNeighborExpiryTime TimeTicks,
dvmrpNeighborVersion DisplayString,
dvmrpNeighborGenerationId Integer32
}
dvmrpNeighborVifIndex OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The value of VifIndex for the virtual interface used to
reach this DVMRP neighbor."
::= { dvmrpNeighborEntry 1 }
dvmrpNeighborAddress OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The IP address of the DVMRP neighbor for which this entry
contains information."
::= { dvmrpNeighborEntry 2 }
dvmrpNeighborUpTime OBJECT-TYPE
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SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The time since this DVMRP neighbor (last) became a neighbor
of the local router."
::= { dvmrpNeighborEntry 3 }
dvmrpNeighborExpiryTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The minimum time remaining before this DVMRP neighbor will
be aged out."
::= { dvmrpNeighborEntry 4 }
dvmrpNeighborVersion OBJECT-TYPE
SYNTAX DisplayString
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The neighoring router's version number."
::= { dvmrpNeighborEntry 5 }
dvmrpNeighborGenerationId OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The neighboring router's generation identifier."
::= { dvmrpNeighborEntry 6 }
-- The DVMRP Route Table
dvmrpRouteTable OBJECT-TYPE
SYNTAX SEQUENCE OF DvmrpRouteEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The routing table used by DVMRP in place of the unicast
routing table."
::= { dvmrp 5 }
dvmrpRouteEntry OBJECT-TYPE
SYNTAX DvmrpRouteEntry
MAX-ACCESS not-accessible
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STATUS current
DESCRIPTION
"An entry (conceptual row) containing the multicast routing
information used by DVMRP in place of the unicast routing
information."
INDEX { dvmrpRouteSource, dvmrpRouteSourceMask }
::= { dvmrpRouteTable 1 }
DvmrpRouteEntry ::= SEQUENCE {
dvmrpRouteSource IpAddress,
dvmrpRouteSourceMask IpAddress,
dvmrpRouteUpstreamNeighbor IpAddress,
dvmrpRouteVifIndex Integer32,
dvmrpRouteMetric Integer32,
dvmrpRouteExpiryTime TimeTicks
}
dvmrpRouteSource OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The network address which when combined with the
corresponding value of dvmrpRouteSourceMask identifies the
sources for which this entry contains multicast routing
information."
::= { dvmrpRouteEntry 1 }
dvmrpRouteSourceMask OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The network mask which when combined with the corresponding
value of dvmrpRouteSource identifies the sources for which
this entry contains multicast routing information."
::= { dvmrpRouteEntry 2 }
dvmrpRouteUpstreamNeighbor OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The address of the upstream neighbor (e.g., RPF neighbor)
from which IP datagrams from these sources are received."
::= { dvmrpRouteEntry 3 }
dvmrpRouteVifIndex OBJECT-TYPE
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SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The value of dvmrpVInterfaceVifIndex for the virtual
interface on which IP datagrams sent by these sources are
received."
::= { dvmrpRouteEntry 4 }
dvmrpRouteMetric OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The distance in hops to the source subnet."
::= { dvmrpRouteEntry 5 }
dvmrpRouteExpiryTime OBJECT-TYPE
SYNTAX TimeTicks
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The minimum amount of time remaining before this entry will
be aged out."
::= { dvmrpRouteEntry 6 }
-- The DVMRP Routing Next Hop Table
dvmrpRouteNextHopTable OBJECT-TYPE
SYNTAX SEQUENCE OF DvmrpRouteNextHopEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table containing information on the next
hops on outgoing interfaces for routing IP multicast
datagrams."
::= { dvmrp 6 }
dvmrpRouteNextHopEntry OBJECT-TYPE
SYNTAX DvmrpRouteNextHopEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the list of next hops on
outgoing interfaces to which IP multicast datagrams from
particular sources are routed."
INDEX { dvmrpRouteNextHopSource, dvmrpRouteNextHopSourceMask,
dvmrpRouteNextHopVifIndex }
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::= { dvmrpRouteNextHopTable 1 }
DvmrpRouteNextHopEntry ::= SEQUENCE {
dvmrpRouteNextHopSource IpAddress,
dvmrpRouteNextHopSourceMask IpAddress,
dvmrpRouteNextHopVifIndex Integer32,
dvmrpRouteNextHopType INTEGER
}
dvmrpRouteNextHopSource OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The network address which when combined with the
corresponding value of dvmrpRouteNextHopSourceMask
identifies the sources for which this entry specifies
a next hop on an outgoing interface."
::= { dvmrpRouteNextHopEntry 1 }
dvmrpRouteNextHopSourceMask OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The network mask which when combined with the corresponding
value of dvmrpRouteNextHopSource identifies the sources for
which this entry specifies a next hop on an outgoing
interface."
::= { dvmrpRouteNextHopEntry 2 }
dvmrpRouteNextHopVifIndex OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The dvmrpVInterfaceVifIndex value of the virtual interface
for the outgoing interface for this next hop."
::= { dvmrpRouteNextHopEntry 3 }
dvmrpRouteNextHopType OBJECT-TYPE
SYNTAX INTEGER { leaf(1), branch(2) }
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"Type is leaf if no neighbors exist on the outgoing virtual
interface. Otherwise, type is branch."
::= { dvmrpRouteNextHopEntry 4 }
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-- The DVMRP Boundary Table
dvmrpBoundaryTable OBJECT-TYPE
SYNTAX SEQUENCE OF DvmrpBoundaryEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The (conceptual) table listing the router's DVMRP
virtual interface boundaries."
::= { dvmrp 7 }
dvmrpBoundaryEntry OBJECT-TYPE
SYNTAX DvmrpBoundaryEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"An entry (conceptual row) in the dvmrpVInterfaceTable."
INDEX { dvmrpBoundaryVifIndex, dvmrpBoundaryAddress,
dvmrpBoundaryAddressMask }
::= { dvmrpBoundaryTable 1 }
DvmrpBoundaryEntry ::= SEQUENCE {
dvmrpBoundaryVifIndex Integer32,
dvmrpBoundaryAddress IpAddress,
dvmrpBoundaryAddressMask IpAddress
}
dvmrpBoundaryVifIndex OBJECT-TYPE
SYNTAX Integer32
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"The VifIndex value of the DVMRP virtual interface to
which this boundary applies. Packets with a destination
address in the associated address/mask range will not
be forwarded out this virtual interface."
::= { dvmrpBoundaryEntry 1 }
dvmrpBoundaryAddress OBJECT-TYPE
SYNTAX IpAddress
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The group address of the scoped boundary."
::= { dvmrpBoundaryEntry 2 }
dvmrpBoundaryAddressMask OBJECT-TYPE
SYNTAX IpAddress
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MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"The group address mask of the scoped boundary."
::= { dvmrpBoundaryEntry 3 }
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-- conformance information
dvmrpMIBConformance OBJECT IDENTIFIER ::= { dvmrpMIB 2 }
dvmrpMIBCompliances OBJECT IDENTIFIER ::= { dvmrpMIBConformance 1 }
dvmrpMIBGroups OBJECT IDENTIFIER ::= { dvmrpMIBConformance 2 }
-- compliance statements
dvmrpMIBCompliance MODULE-COMPLIANCE
STATUS current
DESCRIPTION
"The compliance statement for the DVMRP MIB."
MODULE -- this module
MANDATORY-GROUPS { dvmrpMIBGroup }
::= { dvmrpMIBCompliances 1 }
-- units of conformance
dvmrpMIBGroup OBJECT-GROUP
OBJECTS { dvmrpVersion, dvmrpGenerationId,
dvmrpVInterfaceType, dvmrpVInterfaceState,
dvmrpVInterfaceLocalAddress, dvmrpVInterfaceRemoteAddress,
dvmrpVInterfaceRemoteSubnetMask,
dvmrpVInterfaceMetric, dvmrpVInterfaceRateLimit,
dvmrpVInterfaceInPkts, dvmrpVInterfaceOutPkts,
dvmrpVInterfaceInOctets, dvmrpVInterfaceOutOctets,
dvmrpNeighborUpTime,
dvmrpNeighborExpiryTime, dvmrpNeighborVersion,
dvmrpNeighborGenerationId,
dvmrpRouteUpstreamNeighbor, dvmrpRouteVifIndex,
dvmrpRouteMetric, dvmrpRouteExpiryTime,
dvmrpRouteNextHopType, dvmrpBoundaryVifIndex
}
STATUS current
DESCRIPTION
"A collection of objects to support management of DVMRP
routers."
::= { dvmrpMIBGroups 1 }
END
6. Acknowledgements
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This MIB module will be presented to the IETF's Inter-Domain Multicast
Routing (IDMR) Working Group.
7. References
[1] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Structure
of Management Information for version 2 of the Simple Network
Management Protocol (SNMPv2)", RFC 1442, SNMP Research,Inc., Hughes
LAN Systems, Dover Beach Consulting, Inc., Carnegie Mellon
University, April 1993.
[2] McCloghrie, K., and M. Rose, Editors, "Management Information Base
for Network Management of TCP/IP-based internets: MIB-II", STD 17,
RFC 1213, Hughes LAN Systems, Performance Systems International,
March 1991.
[3] Galvin, J., and K. McCloghrie, "Administrative Model for version 2
of the Simple Network Management Protocol (SNMPv2)", RFC 1445,
Trusted Information Systems, Hughes LAN Systems, April 1993.
[4] Case, J., McCloghrie, K., Rose, M., and S. Waldbusser, "Protocol
Operations for version 2 of the Simple Network Management Protocol
(SNMPv2)", RFC 1448, SNMP Research,Inc., Hughes LAN Systems, Dover
Beach Consulting, Inc., Carnegie Mellon University, April 1993.
[5] Waitzman, D., Partridge, C., and S.E. Deering, "Distance Vector
Multicast Routing Protocol", RFC 1075, Bolt Beranek and Newman,
Stanford University, November 1988.
8. Security Considerations
Security considerations ane not discussed in this memo.
9. Author's Address
Dave Thaler
Department of Electrical Engineering and Computer Science
University of Michigan
1301 Beal Ave.
Ann Arbor, MI 48109-2122
Phone: (313) 763-5243
EMail: thalerd@eecs.umich.edu
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Table of Contents
1 Introduction .................................................... 1
2 The SNMPv2 Network Management Framework ......................... 2
2.1 Object Definitions ............................................ 2
3 Overview ........................................................ 2
4 Revision History ................................................ 3
5 Definitions ..................................................... 4
6 Acknowledgements ................................................ 15
7 References ...................................................... 16
8 Security Considerations ......................................... 16
9 Author's Address ................................................ 16
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