IEEE 8802-1CS-2021

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ISO/IEC/IEEE International Standard–Telecommunications and exchange between information technology systems–Requirements for local and metropolitan area networks–Part 1CS: Link-local registration protocol

Published By	Publication Date	Number of Pages
IEEE	2021	154

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Description

Adoption Standard – Active. Protocols, procedures, and managed objects for a Link-local Registration Protocol (LRP) to replicate a registration database from one end to the other of a point-to-point link and to replicate changes to parts of that database are specified in this standard. A facility is provided to purge the replicated database if the source becomes unresponsive. LRP is optimized for databases on the order of 1 Mbyte.

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PDF Pages	PDF Title
1	IEEE Std 802.1CS-2020 Front cover
4	Blank Page
5	Title page
7	Important Notices and Disclaimers Concerning IEEE Standards Documents
11	Participants
13	Introduction
14	Contents
17	1. Overview 1.1 Scope 1.2 Purpose 1.3 State diagram conventions 1.4 Specification model
18	1.5 Note on inter-table references 1.6 Specification precedence 1.7 Introduction
19	2. Normative references
21	3. Definitions
23	4. Abbreviations
24	5. Conformance 5.1 Introduction 5.2 Requirements terminology 5.3 Common Native and Proxy required behaviors
25	5.4 Native end system required behaviors 5.5 Native end system optional behaviors 5.6 Native relay system required behaviors 5.7 Native relay system optional behaviors
26	5.8 Proxy system required behaviors 5.9 Proxy system optional behaviors 5.10 Controlled system optional behaviors
27	6. Link-local Registration Protocol 6.1 Introduction 6.2 Overview
28	6.3 Objectives and non-objectives 6.3.1 Objectives of LRP
29	6.3.2 Non-objectives of LRP 6.4 Proxy systems, Controlled systems, and target ports
32	6.5 Link Layer Discovery Protocol and target ports
33	6.6 Exploratory Hello LRPDUs 6.7 Target port state
34	6.8 LRP database structure 6.9 LRP-DT data transport mechanisms 6.9.1 LRP-DT ECP mechanism
35	6.9.2 LRP-DT TCP mechanism 6.9.2.1 Active TCP OPEN 6.9.2.2 Passive TCP OPEN
36	6.9.2.3 LRP TCP port number 6.9.3 Quality of Service considerations 6.10 LRP-DS database synchronization mechanism 6.10.1 LRP-DS Protocol operation
37	6.10.2 LRP-DS database storage
38	6.11 State machine creation
39	6.12 Security considerations
40	7. LRP-DT Procedures 7.1 Introduction 7.2 LRP-DT instance maintenance 7.2.1 LRP-DT instance maintenance and Portal creation overview
41	7.2.2 Instance maintenance variables 7.2.2.1 imTargetPortList
42	7.2.3 Instance maintenance routines 7.2.3.1 ProcessLocalTargetRequest
43	7.2.3.2 ProcessNeighborTargetRequest
44	7.2.3.3 PickIpAddresses
45	7.2.3.4 ProcessTcpOpen 7.3 LRP-DT instance 7.3.1 LRP-DT instance overview
46	7.3.2 LRP-DT instance variables 7.3.2.1 instActiveTcp 7.3.2.2 instMyAddress 7.3.2.3 instMyPortNumber 7.3.2.4 instNeighborAddress 7.3.2.5 instNeighborPortNumber 7.3.2.6 instReconnectTimer 7.3.2.7 instReconnectReset 7.3.2.8 instTargetPortList 7.3.2.9 instPortalList
47	7.3.2.10 instKillInstance 7.3.3 LRP-DT instance routines 7.3.3.1 instReceiveLRPDU
48	7.3.3.2 instCreateInstance 7.3.3.3 instDestroyInstance
49	7.3.3.4 instCreatePortal 7.3.3.5 instDestroyPortal
50	7.3.4 LRP-DT instance state machine
52	8. Portal 8.1 Introduction 8.2 Portal association maintenance 8.2.1 Portal association maintenance overview
53	8.2.2 Portal state machine variables 8.2.2.1 pamAppId
54	8.2.2.2 pamMyChassisId 8.2.2.3 pamMyPortId 8.2.2.4 pamNeighborChassisId 8.2.2.5 pamNeighborPortId 8.2.2.6 pamNeighborPortalNumberValid 8.2.2.7 pamNeighborPortalNumber
55	8.2.2.8 pamMyHelloStatus 8.2.2.9 pamMyPortalNumber 8.2.2.10 pamLocalOverflow 8.2.2.11 pamNeighborOverflow 8.2.2.12 pamNeighborAcknowledged 8.2.2.13 pamNeedHello 8.2.2.14 pamResetReceiveHello 8.2.2.15 pamHelloTime 8.2.2.16 pamMyAppInfo
56	8.2.2.17 pamHelloSendTimer 8.2.2.18 pamHelloReceiveTimer 8.2.2.19 pamHelloReceived 8.2.2.20 pamAssociationYes 8.2.2.21 pamAssociationNo 8.2.2.22 pamLastReceivedStatus 8.2.2.23 pamKill 8.2.3 Portal Association maintenance routines 8.2.3.1 pamAssociatePortal 8.2.3.2 pamResetNeighbor 8.2.3.3 pamSendHello
57	8.2.3.4 pamReceiveHello 8.2.4 Send Hello state machines 8.2.5 Receive Hello state machine
58	8.3 Applicant 8.3.1 Applicant overview 8.3.2 Per-record applicant database variables 8.3.2.1 actRecordNumber 8.3.2.2 actSequenceNumber 8.3.2.3 actChecksum
60	8.3.2.4 actDataLength 8.3.2.5 actData 8.3.2.6 actRecordChanged 8.3.2.7 actResendRecord 8.3.2.8 actAcknowledged 8.3.3 Applicant routines 8.3.3.1 actWriteRecord 8.3.3.2 actSendRecord
61	8.3.3.3 actReceivePartialList
62	8.3.3.4 actReceiveCompleteList 8.3.3.5 actTerminateStateMachine 8.3.4 Applicant state machine 8.4 Registrar 8.4.1 Registrar overview
63	8.4.2 Per-Portal registrar variables 8.4.2.1 ptlNeedPartialList 8.4.3 Per-record registrar variables 8.4.3.1 regRecordNumber 8.4.3.2 regSequenceNumber 8.4.3.3 regChecksum 8.4.3.4 regSendAck 8.4.4 Registrar routines 8.4.4.1 regReceiveWriteRecord
64	8.4.4.2 regSendPartialList 8.4.4.3 regDeleteRecord 8.4.5 Partial list state machine 8.4.6 Complete list variables 8.4.6.1 cplNeedCompleteList
65	8.4.6.2 cplCompleteListTimer 8.4.6.3 cplCompleteListTimerReset 8.4.7 Complete list routines 8.4.7.1 cplResetCplTimer 8.4.7.2 cplSendCompleteList 8.4.8 Complete list state machine
66	9. Format and encoding of LRP Data Units 9.1 Introduction 9.2 AppId 9.3 LRP database synchronization protocol 9.3.1 LRPDU format 9.3.2 LRPDU type field
67	9.3.3 TLV Length field 9.4 LRPDU formats 9.4.1 Stop LRPDU 9.4.2 Hello LRPDU
68	9.4.2.1 appId field 9.4.2.2 Hello status
69	9.4.2.3 Error status 9.4.2.4 My Portal Number 9.4.2.5 Hello Time 9.4.2.6 My Chassis ID TLV 9.4.2.7 My Port ID TLV 9.4.2.8 Neighbor Chassis ID TLV
70	9.4.2.9 Neighbor Port ID TLV 9.4.2.10 Application Information TLV 9.4.3 Record LRPDU
71	9.4.4 Partial List LRPDU 9.4.5 Complete List LRPDU
72	9.4.6 Record checksum calculation
73	9.5 LRP data transport protocols 9.5.1 LRP-DT ECP protocol 9.5.2 LRP-DT TCP protocol
74	10. LRP-DS service interface 10.1 Introduction
75	10.2 Association primitives 10.2.1 Use of association primitives 10.2.2 Local Target Port request 10.2.2.1 Inputs
76	10.2.2.2 Outputs 10.2.3 Neighbor Target Port request 10.2.3.1 Inputs
77	10.2.3.2 Outputs 10.2.4 Associate Portal request 10.2.4.1 Inputs 10.2.4.2 Outputs 10.2.5 First Hello indication 10.2.5.1 Outputs
78	10.2.6 Portal status indication 10.2.6.1 Outputs 10.3 Portal interface 10.3.1 Applicant database primitives 10.3.1.1 Write record request 10.3.1.1.1 Inputs 10.3.1.1.2 Outputs 10.3.2 Registrar database primitives 10.3.2.1 Delete record request
79	10.3.2.1.1 Inputs 10.3.2.2 Database overflow request 10.3.2.2.1 Inputs 10.3.2.2.2 Outputs 10.3.2.3 Record written indication 10.3.2.3.1 Outputs
80	11. Managed objects 11.1 Introduction 11.2 Managed objects UML
81	11.3 System global managed objects 11.3.1 lrpAckTimerInit 11.3.2 lrpReconnectMax 11.4 Per-LRP-DT instance managed objects 11.4.1 instDiscardedLRPDUs
82	11.5 Per-Portal managed objects
83	11.5.1 ApplicantActiveRecords 11.5.2 RegistrarActiveRecords 11.5.3 SentHellos 11.5.4 AcceptedHellos 11.5.5 DiscardedHellos 11.5.6 SentRecords 11.5.7 AcceptedRecords 11.5.8 DiscardedRecords 11.5.9 RecordErrors 11.5.10 SentPartials 11.5.11 AcceptedPartials
84	11.5.12 DiscardedPartials 11.5.13 SentCompletes 11.5.14 AcceptedCompletes 11.5.15 DiscardedCompletes 11.5.16 DiscardedUnknowns 11.6 LRP LLDP TLV managed objects 11.6.1 Controlled system IP address information 11.6.1.1 lrpLldpTcpIpAddressses 11.6.2 LRP LLDP TLV information 11.6.2.1 lrpLldpEcpXmitEnable
85	11.6.2.2 lrpLldpEcpTlvXmitInfo 11.6.2.3 lrpLldpEcpTlvRecvInfo 11.6.2.4 lrpLldpTcpXmitEnable 11.6.2.5 lrpLldpTcpTlvXmitInfo 11.6.2.6 lrpLldpTcpTlvRecvInfo
86	12. YANG models for LRP 12.1 Introduction 12.2 The YANG framework 12.3 Security considerations 12.4 Relationship to other YANG modules 12.5 YANG data scheme definition
87	12.6 Definition of LRP YANG module,
96	13. MIB modules for LRP 13.1 Internet standard management framework 13.2 Structure of the LRP MIB 13.2.1 Structure of the LRP-TC-MIB 13.2.2 Structure of the LRP-MIB
97	13.2.3 Structure of the LLDP-V2-LRP-EXT-MIB 13.3 Relationship to the LLDP-V2-TC-MIB 13.4 Security considerations
98	13.4.1 Security considerations for the LRP-TC-MIB 13.4.2 Security considerations for the LRP-MIB
99	13.4.3 Security considerations for the LLDP-V2-LRP-EXT-MIB
100	13.5 MIB modules, 13.5.1 LRP Textual conventions MIB
102	13.5.2 LRP MIB
115	13.5.3 LLDPv2 LRP extension MIB
134	Annex A (normative) Protocol Implementation Conformance Statement (PICS) proforma A.1 Introduction A.1.1 Abbreviations and special symbols
135	A.1.2 Instructions for completing the PICS proforma A.1.3 Additional information A.1.4 Exceptional information
136	A.1.5 Conditional items A.1.6 Identification A.1.6.1 Implementation identification A.1.6.2 Protocol summary
137	A.2 PICS proforma for Link-local Registration Protocol A.2.1 Major capabilities/options A.2.2 Common system capabilities
139	A.2.3 Native end system capabilities
140	A.2.4 Native relay system capabilities A.2.5 Proxy system capabilities
141	A.2.6 Controlled system capabilities
142	Annex B (informative) LRP application specifications B.1 Overview B.2 LRP-DS versus IS-IS: LRP application responsibilities
143	B.3 Use of LLDP B.4 Portal creation
144	B.5 Database locking issues B.6 ECP vs. TCP issues
145	B.7 TCP active/passive OPEN B.8 Resetting the databases B.9 Application-level acknowledgments
146	B.10 Sequence number wrap-around B.11 LRP applications’ requirements on LRP
147	Annex C (normative) IEEE 802.1 Organizationally Specific TLVs for LLDP C.1 Overview C.2 Organizationally Specific TLV definitions C.2.1 LRP ECP Discovery TLV C.2.1.1 TLV type C.2.1.2 TLV information string length C.2.1.3 IEEE 802.1 OUI
148	C.2.1.4 IEEE 802.1 subtype C.2.1.5 Application count C.2.1.6 Application descriptor C.2.1.7 LRP ECP Discovery TLV usage rules
149	C.2.2 LRP TCP Discovery TLV C.2.2.1 TLV type C.2.2.2 TLV information string length C.2.2.3 IEEE 802.1 OUI C.2.2.4 IEEE 802.1 subtype C.2.2.5 Application count C.2.2.6 Application descriptor
150	C.2.2.6.1 TCP port number C.2.2.6.2 Address info
151	C.2.2.6.3 Address C.2.2.7 LRP TCP Discovery TLV usage rules
152	Annex D (informative) Bibliography

Additional information

Standard Title	ISO/IEC/IEEE International Standard–Telecommunications and exchange between information technology systems–Requirements for local and metropolitan area networks–Part 1CS: Link-local registration protocol
Published Code	IEEE
Publication Date	2021
Pages Count	154

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