Quan Xiong(ZTE) Gregory Mirsky(ZTE) Chang Liu(China Unicom)

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Presentation transcript:

Quan Xiong(ZTE) Gregory Mirsky(ZTE) Chang Liu(China Unicom) draft-hu-spring-sr-tp-use-case draft-hu-spring-sr-tp-use-case draft-hu-spring-sr-tp-use-case BIER BFD IETF 105 Montreal draft-hu-bier-bfd-04 Quan Xiong(ZTE) Gregory Mirsky(ZTE) Chang Liu(China Unicom)

Update from last version <draft-hu-bier-bfd-04> Multipoint BFD [RFC8562] and Active Tail [RFC8563] has been proposed standard. Update the description about BIER BFD Session Bootstrapping and active tail based on RFC8562, and RFC8563. Modify the BIER BFD Sub-TLV to BIER BFD Sub-sub-TLV carried in BIER Info Sub-TLV in IS-IS and OSPF (Comment in IETF104).

BIER BFD Recap BIER BFD is based on RFC8562 Uses Demand mode (defined in RFC 5880) – no three-way handshake. BIER BFD active tail is based on RFC8563 Uses combination of multicast Poll sequence messages and unicast Poll messages. BIER BFD encapsulation use BIER OAM ping [I-D.ietf-bier-ping]. Msg Type field MUST be set to BIER BFD (TBD by IANA) BFD Control packet (defined in RFC5880) immediately follows the BIER OAM header BIER BFD Session Establishment BIER OAM Ping Bootstrapping (BFD discriminator TLV immediately follows the Target SI-Bitstring TLV) IGP protocol Bootstrapping (BIER BFD Sub-sub-TLV carried in BIER Info sub-TLV) BFERs use source address and My discriminator to demultiplex BFD sessions: BFIR-id and BIER MPLS Label (MPLS network) BFIR-id and BIFT-id (Non-MPLS network)

Next Step Request for adoption. Comments and suggestions are very welcome!

Thank you!