draft-ietf-idr-te-pm-bgp-16.txt | draft-ietf-idr-te-pm-bgp-17.txt | |||
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Networking Working Group L. Ginsberg, Ed. | Networking Working Group L. Ginsberg, Ed. | |||
Internet-Draft Cisco Systems, Inc. | Internet-Draft Cisco Systems, Inc. | |||
Intended status: Standards Track S. Previdi | Intended status: Standards Track S. Previdi | |||
Expires: June 16, 2019 Q. Wu | Expires: June 17, 2019 Q. Wu | |||
Huawei | Huawei | |||
J. Tantsura | J. Tantsura | |||
Apstra, Inc. | Apstra, Inc. | |||
C. Filsfils | C. Filsfils | |||
Cisco Systems, Inc. | Cisco Systems, Inc. | |||
December 13, 2018 | December 14, 2018 | |||
BGP-LS Advertisement of IGP Traffic Engineering Performance Metric | BGP-LS Advertisement of IGP Traffic Engineering Performance Metric | |||
Extensions | Extensions | |||
draft-ietf-idr-te-pm-bgp-16 | draft-ietf-idr-te-pm-bgp-17 | |||
Abstract | Abstract | |||
This document defines new BGP-LS TLVs in order to carry the IGP | This document defines new BGP-LS TLVs in order to carry the IGP | |||
Traffic Engineering Extensions defined in the IS-IS and OSPF | Traffic Engineering Extensions defined in the IS-IS and OSPF | |||
protocols. | protocols. | |||
Status of This Memo | Status of This Memo | |||
This Internet-Draft is submitted in full conformance with the | This Internet-Draft is submitted in full conformance with the | |||
skipping to change at page 1, line 39 ¶ | skipping to change at page 1, line 39 ¶ | |||
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 https://datatracker.ietf.org/drafts/current/. | Drafts is at https://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 June 16, 2019. | This Internet-Draft will expire on June 17, 2019. | |||
Copyright Notice | Copyright Notice | |||
Copyright (c) 2018 IETF Trust and the persons identified as the | Copyright (c) 2018 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 | |||
(https://trustee.ietf.org/license-info) in effect on the date of | (https://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 | |||
skipping to change at page 2, line 21 ¶ | skipping to change at page 2, line 21 ¶ | |||
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 | 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 | |||
2. Link Attribute TLVs for TE Metric Extensions . . . . . . . . 2 | 2. Link Attribute TLVs for TE Metric Extensions . . . . . . . . 2 | |||
2.1. Unidirectional Link Delay TLV . . . . . . . . . . . . . . 3 | 2.1. Unidirectional Link Delay TLV . . . . . . . . . . . . . . 3 | |||
2.2. Min/Max Unidirectional Link Delay TLV . . . . . . . . . . 3 | 2.2. Min/Max Unidirectional Link Delay TLV . . . . . . . . . . 3 | |||
2.3. Unidirectional Delay Variation TLV . . . . . . . . . . . 4 | 2.3. Unidirectional Delay Variation TLV . . . . . . . . . . . 4 | |||
2.4. Unidirectional Link Loss TLV . . . . . . . . . . . . . . 5 | 2.4. Unidirectional Link Loss TLV . . . . . . . . . . . . . . 5 | |||
2.5. Unidirectional Residual Bandwidth TLV . . . . . . . . . . 5 | 2.5. Unidirectional Residual Bandwidth TLV . . . . . . . . . . 5 | |||
2.6. Unidirectional Available Bandwidth TLV . . . . . . . . . 5 | 2.6. Unidirectional Available Bandwidth TLV . . . . . . . . . 5 | |||
2.7. Unidirectional Utilized Bandwidth TLV . . . . . . . . . . 6 | 2.7. Unidirectional Utilized Bandwidth TLV . . . . . . . . . . 6 | |||
3. Security Considerations . . . . . . . . . . . . . . . . . . . 6 | 2.8. Mappings to IGP Source sub-TLVs . . . . . . . . . . . . . 6 | |||
3. Security Considerations . . . . . . . . . . . . . . . . . . . 7 | ||||
4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 7 | 4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 7 | |||
5. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 7 | 5. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 8 | |||
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 8 | 6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 8 | |||
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 8 | 7. References . . . . . . . . . . . . . . . . . . . . . . . . . 8 | |||
7.1. Normative References . . . . . . . . . . . . . . . . . . 8 | 7.1. Normative References . . . . . . . . . . . . . . . . . . 8 | |||
7.2. Informative References . . . . . . . . . . . . . . . . . 8 | 7.2. Informative References . . . . . . . . . . . . . . . . . 9 | |||
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 8 | Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 9 | |||
1. Introduction | 1. Introduction | |||
BGP-LS ([RFC7752]) defines NLRI and attributes in order to carry | BGP-LS ([RFC7752]) defines NLRI and attributes in order to carry | |||
link-state information. New BGP-LS Link-Attribute TLVs are required | link-state information. New BGP-LS Link-Attribute TLVs are required | |||
in order to carry the Traffic Engineering Metric Extensions defined | in order to carry the Traffic Engineering Metric Extensions defined | |||
in [I-D.ietf-lsr-isis-rfc7810bis] and [RFC7471]. | in [I-D.ietf-lsr-isis-rfc7810bis] and [RFC7471]. | |||
2. Link Attribute TLVs for TE Metric Extensions | 2. Link Attribute TLVs for TE Metric Extensions | |||
skipping to change at page 6, line 44 ¶ | skipping to change at page 6, line 44 ¶ | |||
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |||
where: | where: | |||
Figure 5 | Figure 5 | |||
Type: 1120 | Type: 1120 | |||
Length: 4. | Length: 4. | |||
2.8. Mappings to IGP Source sub-TLVs | ||||
This section documents the mappings between the Link Attribute TLVs | ||||
defined in this document and the corresponding advertisements sourced | ||||
by the IGPs. | ||||
For OSPFv2 and OSPFv3 the advertisements are defined in [RFC7471] . | ||||
For IS-IS the advertisements are defined in | ||||
[I-D.ietf-lsr-isis-rfc7810bis] . | ||||
+---------------------------------------+----------+----------------+ | ||||
| Attribute Name | IS-IS | OSPFv2/OSPFv3 | | ||||
| | sub-TLV | sub-TLV | | ||||
+---------------------------------------+----------+----------------+ | ||||
| Unidirectional Link Delay | 33 | 27 | | ||||
+---------------------------------------+----------+----------------+ | ||||
| Min/Max Unidirectional Link Delay | 34 | 28 | | ||||
+---------------------------------------+----------+----------------+ | ||||
| Unidirectional Delay Variation | 35 | 29 | | ||||
+---------------------------------------+----------+----------------+ | ||||
| Unidirectional Link Loss | 36 | 30 | | ||||
+---------------------------------------+----------+----------------+ | ||||
| Unidirectional Residual Bandwidth | 37 | 31 | | ||||
+---------------------------------------+----------+----------------+ | ||||
| Unidirectional Available Bandwidth | 38 | 32 | | ||||
+---------------------------------------+----------+----------------+ | ||||
| Unidirectional Bandwidth Utilization | 39 | 33 | | ||||
+---------------------------------------+----------+----------------+ | ||||
3. Security Considerations | 3. Security Considerations | |||
Procedures and protocol extensions defined in this document do not | Procedures and protocol extensions defined in this document do not | |||
affect the BGP security model. See the 'Security Considerations' | affect the BGP security model. See the 'Security Considerations' | |||
section of [RFC4271] for a discussion of BGP security. Also refer to | section of [RFC4271] for a discussion of BGP security. Also refer to | |||
[RFC4272] and [RFC6952] for analysis of security issues for BGP. | [RFC4272] and [RFC6952] for analysis of security issues for BGP. | |||
Security considerations for acquiring and distributing BGP-LS | Security considerations for acquiring and distributing BGP-LS | |||
information are discussed in [RFC7752]. | information are discussed in [RFC7752]. | |||
The TLVs introduced in this document are used to propagate IGP | The TLVs introduced in this document are used to propagate IGP | |||
End of changes. 8 change blocks. | ||||
8 lines changed or deleted | 38 lines changed or added | |||
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