| < draft-li-isis-mrt-01.txt | draft-li-isis-mrt-02.txt > | |||
|---|---|---|---|---|
| Network Working Group Z. Li | Network Working Group Z. Li | |||
| Internet-Draft N. Wu | Internet-Draft N. Wu | |||
| Intended status: Standards Track Q. Zhao | Intended status: Standards Track Q. Zhao | |||
| Expires: January 5, 2015 Huawei Technologies | Expires: July 20, 2015 Huawei Technologies | |||
| A. Atlas | A. Atlas | |||
| C. Bowers | C. Bowers | |||
| Juniper Networks | Juniper Networks | |||
| J. Tantsura | J. Tantsura | |||
| Ericsson | Ericsson | |||
| July 4, 2014 | January 16, 2015 | |||
| Intermediate System to Intermediate System (IS-IS) Extensions for | Intermediate System to Intermediate System (IS-IS) Extensions for | |||
| Maximally Redundant Trees (MRT) | Maximally Redundant Trees (MRT) | |||
| draft-li-isis-mrt-01 | draft-li-isis-mrt-02 | |||
| Abstract | Abstract | |||
| This document describes necessary extensions to IS-IS to support the | This document describes necessary extensions to IS-IS to support the | |||
| distributed computation of Maximally Redundant Trees (MRT). Some | distributed computation of Maximally Redundant Trees (MRT). Some | |||
| example uses of the MRTs include IP/LDP Fast-Reroute and global | example uses of the MRTs include IP/LDP Fast-Reroute and global | |||
| protection or live-live for multicast traffic. The extensions | protection or live-live for multicast traffic. The extensions | |||
| indicate what MRT profile(s) each router supports. Different MRT | indicate what MRT profile(s) each router supports. Different MRT | |||
| profiles can be defined to support different uses and to allow | profiles can be defined to support different uses and to allow | |||
| transition of capabilities. An extension is introduced to flood MRT- | transition of capabilities. An extension is introduced to flood MRT- | |||
| skipping to change at page 1, line 44 ¶ | skipping to change at page 1, line 44 ¶ | |||
| Internet-Drafts are working documents of the Internet Engineering | Internet-Drafts are working documents of the Internet Engineering | |||
| Task Force (IETF). Note that other groups may also distribute | Task Force (IETF). Note that other groups may also distribute | |||
| working documents as Internet-Drafts. The list of current Internet- | working documents as Internet-Drafts. The list of current Internet- | |||
| Drafts is at http://datatracker.ietf.org/drafts/current/. | Drafts is at http://datatracker.ietf.org/drafts/current/. | |||
| Internet-Drafts are draft documents valid for a maximum of six months | Internet-Drafts are draft documents valid for a maximum of six months | |||
| and may be updated, replaced, or obsoleted by other documents at any | and may be updated, replaced, or obsoleted by other documents at any | |||
| time. It is inappropriate to use Internet-Drafts as reference | time. It is inappropriate to use Internet-Drafts as reference | |||
| material or to cite them other than as "work in progress." | material or to cite them other than as "work in progress." | |||
| This Internet-Draft will expire on January 5, 2015. | This Internet-Draft will expire on July 20, 2015. | |||
| Copyright Notice | Copyright Notice | |||
| Copyright (c) 2014 IETF Trust and the persons identified as the | Copyright (c) 2015 IETF Trust and the persons identified as the | |||
| document authors. All rights reserved. | document authors. All rights reserved. | |||
| This document is subject to BCP 78 and the IETF Trust's Legal | This document is subject to BCP 78 and the IETF Trust's Legal | |||
| Provisions Relating to IETF Documents | Provisions Relating to IETF Documents | |||
| (http://trustee.ietf.org/license-info) in effect on the date of | (http://trustee.ietf.org/license-info) in effect on the date of | |||
| publication of this document. Please review these documents | publication of this document. Please review these documents | |||
| carefully, as they describe your rights and restrictions with respect | carefully, as they describe your rights and restrictions with respect | |||
| to this document. Code Components extracted from this document must | to this document. Code Components extracted from this document must | |||
| include Simplified BSD License text as described in Section 4.e of | include Simplified BSD License text as described in Section 4.e of | |||
| the Trust Legal Provisions and are provided without warranty as | the Trust Legal Provisions and are provided without warranty as | |||
| skipping to change at page 9, line 11 ¶ | skipping to change at page 9, line 11 ¶ | |||
| MRT-Red LDP MT-ID (2 octet) | MRT-Red LDP MT-ID (2 octet) | |||
| MRT-Blue LDP MT-ID (2 octet) | MRT-Blue LDP MT-ID (2 octet) | |||
| +--------------------------------+ | +--------------------------------+ | |||
| |R |R |R |R | MT ID | 2 | |R |R |R |R | MT ID | 2 | |||
| +----------------+---------------+ | +----------------+---------------+ | |||
| | Profile ID | 1 | | Profile ID | 1 | |||
| +----------------+ | +----------------+ | |||
| | GADAG Priority | 1 | | GADAG Priority | 1 | |||
| +----------------+---------------+ | +----------------+---------------+ | |||
| | MRT-Red LDP MT-ID | 2 | | MRT-Red LDP MT-ID | 2 | |||
| +--------------------------------+ | +--------------------------------+ | |||
| | MRT-Blue LDP MT-ID | 2 | | MRT-Blue LDP MT-ID | 2 | |||
| +--------------------------------+ | +--------------------------------+ | |||
| 12-bit MT ID represents the base MT topology which MRT computation is | 12-bit MT ID represents the base MT topology which MRT computation is | |||
| based on. Profile ID represents the MRT profile this router supports | based on. Profile ID represents the MRT profile this router supports | |||
| and GADAG Root Selection Priority is the priority for root selection. | and GADAG Root Selection Priority is the priority for root selection. | |||
| The range of this priority is [0, 255] with 128 as the default value. | The range of this priority is [0, 255] with 128 as the default value. | |||
| The GADAG Root Selection Policy defined as part of a given MRT | The GADAG Root Selection Policy defined as part of a given MRT | |||
| profile determine how the GADAG Root Selection Priority value is | profile determine how the GADAG Root Selection Priority value is | |||
| used. | used. | |||
| End of changes. 7 change blocks. | ||||
| 7 lines changed or deleted | 7 lines changed or added | |||
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