RFC 8232-2017

Optimizations of Label Switched Path State Synchronization Procedures for a Stateful PCE

RFC 8232-2017 发布历史

A stateful Path Computation Element (PCE) has access to not only the information disseminated by the network??s Interior Gateway Protocol (IGP) but also the set of active paths and their reserved resources for its computation. The additional Label Switched Path (LSP) state information allows the PCE to compute constrained paths while considering individual LSPs and their interactions. This requires a State Synchronization mechanism between the PCE and the network@ the PCE and Path Computation Clients (PCCs)@ and cooperating PCEs. The basic mechanism for State Synchronization is part of the stateful PCE specification. This document presents motivations for optimizations to the base State Synchronization procedure and specifies the required Path Computation Element Communication Protocol (PCEP) extensions.

RFC 8232-2017由IETF - Internet Engineering Task Force 发布于 2017-09-01，并于 2017-10-05 实施。

RFC 8232-2017的历代版本如下：

• 2017年09月01日 RFC 8232-2017

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标准号

RFC 8232-2017

发布日期

2017年09月01日

实施日期

2017年10月05日

废止日期

无

中国标准分类号

/

国际标准分类号

/

发布单位

IETF - Internet Engineering Task Force

引用标准

26

适用范围

A stateful Path Computation Element (PCE) has access to not only the information disseminated by the network??s Interior Gateway Protocol (IGP) but also the set of active paths and their reserved resources for its computation. The additional Label Switched Path (LSP) state information allows the PCE to compute constrained paths while considering individual LSPs and their interactions. This requires a State Synchronization mechanism between the PCE and the network@ the PCE and Path Computation Clients (PCCs)@ and cooperating PCEs. The basic mechanism for State Synchronization is part of the stateful PCE specification. This document presents motivations for optimizations to the base State Synchronization procedure and specifies the required Path Computation Element Communication Protocol (PCEP) extensions.