GB/T 21645.10-2017Technical requirements for automatically switched optical network(ASON)—Part 10: Multi-layer and multi-region control plane (English PDF)
自动交换光网络（ASON）技术要求 第10部分：多层多域控制平面
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 12, 2017
Implementation date
December 1, 2017
Scope
GB/T 21645.10-2017 is the English-translated version of 自动交换光网络（ASON）技术要求 第10部分：多层多域控制平面.
GB/T 21645.10-2017 is Part 10 of GB/T 21645 and sets the technical requirements for the multi-layer, multi-domain control plane of an automatically switched optical network (ASON).
It describes the MLN/MRN control architecture built on GMPLS, with the network model, the node model and the signalling communication network, and the control plane functions for resource discovery, routing and service scheduling.
It also fixes the protection and recovery requirements, the performance requirements and the extensions to the routing and signalling protocols, with informative annexes on OTN multilayer control and the inter-layer PCE protocol.
It applies to ASON networks in public telecommunication networks, and dedicated telecommunication networks may refer to it. It was issued on 12 May 2017 and has applied since 1 December 2017.
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Document preview — GB/T 21645.10-2017
National Standard of the People's Republic of China
- ICS
- 33.040.20
- Classification
- M 33
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 normative reference document
- 3 terms, definitions and abbreviations
- 3.1 Terms and definitions
- 3.2 Abbreviations
- 4 MLMP/MRN control architecture based on GMPLS
- 4.1 MLN/MRN control architecture
- 4.2 MLN/MRN network model
- 4.3 MLN/MRN node model
- 4.4 Signaling communication network (SCN)
- 5 MLN/MRN control plane function requirements
- 5.1 Resource Discovery Function
- 5.2 routing function
- 5.3 Service scheduling and signaling functions
- 6 MLN/MRN protection recovery requirements
- 6.1 MLN/MRN protection recovery type
- 6.2 multi-layer protection recovery constraints and return mechanism
- 6.3 Multi-layer protection recovery coordination
- 7 MLN/MRN control plane performance requirements
- 8 MLN/MRN Control Plane Protocol Extension
- 8.1 Protocol expansion requirements
- 8.2 Routing Protocol Extensions
- Multi - Layer Multi - Domain Signaling and Signaling Protocol Extensions
- Appendix A (informative) Extension of protocol based on OTN multilayer control
- A.1 Overview
- A.2 Routing Protocol Extensions
- A.3 Signaling Protocol Extension
- A.4 Automatic discovery
- Appendix B (informative) IP OTN Multilayer fusion control technology
- B.1 Control mode
- B.2 Control protocol expansion requirements
- Appendix C (informative) Interlayer PCE protocol extension
- C.1 Overview
- C.2 Inter-layer PCE architecture
- C.3 Inter-layer PCE function
- C.4 Inter-domain TE link information acquisition
- Extended Extension of PCEP Protocol
Foreword
GB/T 21645 "Automatic Switching Optical Network (ASON) Technical Requirements" consists of the following components.
- Part 1. architecture and overall requirements;
- Part 2. Terms and definitions;
- Part 3. Data communication network (DCN);
- Part 4. Signaling technology;
- Part 5. User - Network Interface (UNI);
- Part 6. Management Plans;
- Part 7. Automatic discovery;
- Part 8. Routing;
- Part 9. External network - Network interface (E-NNI);
- Part 10. Multilayer multi - domain control plane;
- Part 11. Path Computing Unit (PCE) and Protocol.
This part is part 10 of GB/T 21645.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This part of GB/T 21645 specifies the automatic switching optical network (ASON) multi-layer multi-domain control plane technical requirements, including. Structure requirements, protection recovery requirements, performance requirements, control plane protocol expansion, inter-layer PCE protocol expansion. As provided in this section ASON control plane based on GMPLS protocol implementation.
This part of GB/T 21645 applies to ASON networks of public telecommunication networks and ASON networks for dedicated telecommunication networks.
2 Normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 21645.1-2008 Automatic switching optical network (ASON) technical requirements - Part 1. Architecture and overall requirements
YD/T 1957.2 Automatic switching optical network (ASON) node equipment technical requirements Part 2. OTN-based OTN section Point equipment technical requirements
ITU-TG.709 Optical Transport Network (OTN) interface (InterfacesfortheOpticalTransportNetwork (OTN))
ITU-TG.8080 automatic switching optical network architecture (ArchitecturefortheAutomaticalySwitchedOptical Network (ASON)
IETFRFC3471-2003 GMPLS signaling function description (Generalized Multi-ProtocolLabelSwitching (GMPLS) SignalingFunctionalDescription)
IETFRFC4206 GMPLSTE LSP stratification (LabelSwitchedPaths (LSP) HierarchywithGeneralizedMulti-ProtocolLabelSwitching (GMPLS) TrafficEngineering (TE))
IETFRFC4872 supports RSVP-TE extension for end-to-end GMPLS recovery (RSVP-TEExtensionsinSupport ofEnd-to-endGeneralizedMulti-ProtocolLabelSwitching (GMPLS) Recovery)
IETFRFC4873 GMPLS section recovery (GMPLSSegmentRecovery)
IETFRFC5150 LabelGMPLS Flow Engineering LSP Sewing (SwitchedPathStitchingwithGeneralized MultiprotocolLabelSwitchingTrafficEngineering)
3 Terms, definitions and abbreviations
3.1 Terms and definitions
The following terms and definitions apply to this document.
3.1.1 Multi - layer network
A layer network with a variety of switching capabilities, or a layer of a plurality of exchange particles having the same switching capability.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 48 pages — is available in the English PDF.
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Related Standards
GB/T 21645.1-2008 — Technical requirements for automatically switched optical network -- Part 1: Architecture and general requirements
GB/T 21645.11-2017 — Technical requirements for Automatically Switched Optical Network (ASON)—Part11:Path Computation Element (PCE) and protocol
GB/T 21645.2-2010 — Technical requirements for automatically switched optical networks -- Part 2: Terms and definitions
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