1 PWE3 Control Word PWE3 IETF-60 August 2004 Stewart Bryant Danny McPherson.

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Presentation transcript:

1 PWE3 Control Word PWE3 IETF-60 August 2004 Stewart Bryant Danny McPherson

222 PWE3 Control Word IETF-60 Context Control word text was removed from PWE3 Architecture at request of IETF. draft-swallow-mpls-ecmp-bcp-00.txt addresses the issue of ECMP in an MPLS network. draft-bryant-mcpherson-pwe3-cw-00.txt says how PWE3 addresses this issue. There is some minor change in detail, but no suprises

333 PWE3 Control Word IETF-60 Preferred Control Word | | Flags |FRG| Length | Sequence Number | Figure 2: MPLS Preferred Control Word | | Specified by PW Encapsulation | Figure 1: Generic PW Control Word

444 PWE3 Control Word IETF-60 PWE3 Payload Type Identifier | | reserved = 0 | Payload Type | Figure 3: PWE3 Payload Type Identifier The PW Type is defined in the IANA PW Type registry.

555 PWE3 Control Word IETF-60 IANA considerations Three ranges Reserved with special significance PW standard track – allocated after expert review of use Experimental / Vendor specific