rfc9513v3.txt | rfc9513.txt | |||
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skipping to change at line 372 ¶ | skipping to change at line 372 ¶ | |||
Locators associated with Flexible Algorithms SHOULD NOT be advertised | Locators associated with Flexible Algorithms SHOULD NOT be advertised | |||
in the base OSPFv3 prefix reachability advertisements. Advertising | in the base OSPFv3 prefix reachability advertisements. Advertising | |||
the Flexible Algorithm locator in a regular prefix reachability | the Flexible Algorithm locator in a regular prefix reachability | |||
advertisement would make it available for non-Flexible Algorithm | advertisement would make it available for non-Flexible Algorithm | |||
forwarding (i.e., algorithm 0). | forwarding (i.e., algorithm 0). | |||
The procedures for OSPFv3 Flexible Algorithm for SR-MPLS, as | The procedures for OSPFv3 Flexible Algorithm for SR-MPLS, as | |||
specified in [RFC9350], also apply for SRv6; these procedures include | specified in [RFC9350], also apply for SRv6; these procedures include | |||
a) ASBR reachability, b) inter-area, external, and NSSA prefix | a) ASBR reachability, b) inter-area, external, and NSSA prefix | |||
advertisements, and 3) the use of those prefix advertisements in | advertisements, and c) the use of those prefix advertisements in | |||
Flexible Algorithm route computation. | Flexible Algorithm route computation. | |||
6. Advertisement of Anycast Property | 6. Advertisement of Anycast Property | |||
Both prefixes and SRv6 Locators may be configured as anycast, and as | Both prefixes and SRv6 Locators may be configured as anycast, and as | |||
such, the same value can be advertised by multiple routers. It is | such, the same value can be advertised by multiple routers. It is | |||
useful for other routers to know that the advertisement is for an | useful for other routers to know that the advertisement is for an | |||
anycast identifier. | anycast identifier. | |||
The AC-bit (value 0x80) in the OSPFv3 PrefixOptions field [RFC5340] | The AC-bit (value 0x80) in the OSPFv3 PrefixOptions field [RFC5340] | |||
skipping to change at line 1201 ¶ | skipping to change at line 1201 ¶ | |||
applicable for the "OSPFv3 Extended-LSA Sub-TLVs" registry. | applicable for the "OSPFv3 Extended-LSA Sub-TLVs" registry. | |||
| Note: Allocations made in this registry for sub-TLVs that are | | Note: Allocations made in this registry for sub-TLVs that are | |||
| associated with OSPFv3 SRv6 Locator TLVs MUST be evaluated for | | associated with OSPFv3 SRv6 Locator TLVs MUST be evaluated for | |||
| their applicability as OSPFv3 Extended-LSA sub-TLVs, which are | | their applicability as OSPFv3 Extended-LSA sub-TLVs, which are | |||
| required to be allocated in the "OSPFv3 Extended-LSA Sub-TLVs" | | required to be allocated in the "OSPFv3 Extended-LSA Sub-TLVs" | |||
| registry. | | registry. | |||
13.10. OSPFv3 Extended-LSA Sub-TLVs | 13.10. OSPFv3 Extended-LSA Sub-TLVs | |||
IANA has added the the following note to the "OSPFv3 Extended-LSA | IANA has added the following note to the "OSPFv3 Extended-LSA Sub- | |||
Sub-TLVs" registry within the "Open Shortest Path First v3 (OSPFv3) | TLVs" registry within the "Open Shortest Path First v3 (OSPFv3) | |||
Parameters" registry group. The purpose of this note is to ensure | Parameters" registry group. The purpose of this note is to ensure | |||
that any document requesting allocations in this registry for sub- | that any document requesting allocations in this registry for sub- | |||
TLVs of any of the OSPFv3 Extended Prefix TLVs checks if allocations | TLVs of any of the OSPFv3 Extended Prefix TLVs checks if allocations | |||
are also applicable for the "OSPFv3 SRv6 Locator LSA Sub-TLVs" | are also applicable for the "OSPFv3 SRv6 Locator LSA Sub-TLVs" | |||
registry defined in this document. | registry defined in this document. | |||
| Note: Allocations made in this registry for sub-TLVs that are | | Note: Allocations made in this registry for sub-TLVs that are | |||
| associated with OSPFv3 Extended TLVs related to prefix | | associated with OSPFv3 Extended TLVs related to prefix | |||
| advertisements MUST be evaluated for their applicability as OSPFv3 | | advertisements MUST be evaluated for their applicability as OSPFv3 | |||
| SRv6 Locator sub-TLVs, which are required to be allocated in the | | SRv6 Locator sub-TLVs, which are required to be allocated in the | |||
skipping to change at line 1314 ¶ | skipping to change at line 1314 ¶ | |||
14.2. Informative References | 14.2. Informative References | |||
[RFC3630] Katz, D., Kompella, K., and D. Yeung, "Traffic Engineering | [RFC3630] Katz, D., Kompella, K., and D. Yeung, "Traffic Engineering | |||
(TE) Extensions to OSPF Version 2", RFC 3630, | (TE) Extensions to OSPF Version 2", RFC 3630, | |||
DOI 10.17487/RFC3630, September 2003, | DOI 10.17487/RFC3630, September 2003, | |||
<https://www.rfc-editor.org/info/rfc3630>. | <https://www.rfc-editor.org/info/rfc3630>. | |||
[RFC9514] Dawra, G., Filsfils, C., Talaulikar, K., Ed., Chen, M., | [RFC9514] Dawra, G., Filsfils, C., Talaulikar, K., Ed., Chen, M., | |||
Bernier, D., and B. Decraene, "Border Gateway Protocol - | Bernier, D., and B. Decraene, "Border Gateway Protocol - | |||
Link State (BGP-LS) Extensions for Segment Routing over | Link State (BGP-LS) Extensions for Segment Routing over | |||
IPv6 (SRv6)", RFC 9514, DOI 10.17487/RFC9514, October | IPv6 (SRv6)", RFC 9514, DOI 10.17487/RFC9514, November | |||
2023, <https://www.rfc-editor.org/info/rfc9514>. | 2023, <https://www.rfc-editor.org/info/rfc9514>. | |||
Acknowledgements | Acknowledgements | |||
The authors would like to acknowledge the contributions of Dean Cheng | The authors would like to acknowledge the contributions of Dean Cheng | |||
in the early draft versions of this document. The authors would like | in the early draft versions of this document. The authors would like | |||
to thank Ran Chen and Detao Zhao for their suggestions related to the | to thank Ran Chen and Detao Zhao for their suggestions related to the | |||
extension of PrefixOptions for the signaling of the anycast property. | extension of PrefixOptions for the signaling of the anycast property. | |||
The authors would like to thank Chenzichao, Dirk Goethals, Baalajee | The authors would like to thank Chenzichao, Dirk Goethals, Baalajee | |||
End of changes. 3 change blocks. | ||||
4 lines changed or deleted | 4 lines changed or added | |||
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