Linda, The ISIS and OSPF sub-TLVs are following the base ISIs and OSPF su-TLV structures. In ISIS it's always 1 octet for type and length each and in OSPF it is 2 otctets each. This will help maintain the consistency of protocol processing.
Hope that clarifies Rgds Shraddha Juniper Business Use Only From: Linda Dunbar <[email protected]> Sent: Tuesday, October 5, 2021 8:29 AM To: [email protected] Cc: [email protected] Subject: Is it necessary for OSPF and ISIS to have different FAD Constraint Sub-TLV in draft-ietf-lsr-flex-algo-bw-con-1? [External Email. Be cautious of content] Shraddha, Bill, Rajesh, Bruno, Peter, and Tony: draft-ietf-lsr-flex-algo-bw-con-1 has two different sub-TLVs for ISIS FAD Constraint and OSPF FAD constraint. But the only differences are: * ISIS Exclude Minimum Bandwidth sub-TLV has one octet for Type and Length * OSPF Exclude Minimum Bandwidth sub-TLV has two octets for Type and Length Why can't just have one Exclude Minimum Bandwidth sub-TLV to be used for both ISIS and OSPF FlexAlgo? Thank you very much, Linda Dunbar
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