Hi PCE WG, During the AD review of the PCEP SID Algorithm draft, comment was raised by Ketan (thank you for detailed review) related to benefits of SID filtering for the Flex-Algo range of SR-Algorithms. After discussions with the co-authors, we have decided to limit the use of SID filtering to the non-Flex-Algo range of SR-Algorithms. As a result:
* SID Filtering: Applicable only to SR-Algorithm values 0-127: https://www.ietf.org/archive/id/draft-ietf-pce-sid-algo-19.html#name-path-computation-with-sid-f<https://www.ietf.org/archive/id/draft-ietf-pce-sid-algo-19.html#name-path-computation-with-sid-f"%20t> * Flex-Algo Path Computation: Applicable to SR-Algorithm values 128-255: https://www.ietf.org/archive/id/draft-ietf-pce-sid-algo-19.html#name-flexible-algorithm-path-com<https://www.ietf.org/archive/id/draft-ietf-pce-sid-algo-19.html#name-flexible-algorithm-path-com"%20t> As a result of this change, the F flag in the SR-Algorithm TLV will no longer be required. This flag was originally introduced to allow the Flex-Algo range to be used with both - SID filtering and Flex-Algo path computation. We believe this change simplifies the specification and improves clarity while maintaining the intended functionality of the draft. If you have any concerns or objections to this proposed change, please respond to the mailing list by 17th June. Thanks a lot, Samuel
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