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what. New: draft-helvoort-ccamp-fs-priority Proposes to change text in informational RFC4427: Recovery (Protection and Restoration) Terminology for GMPLS. why.

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  1. what New: draft-helvoort-ccamp-fs-priority Proposes to change text in informational RFC4427: Recovery (Protection and Restoration) Terminology for GMPLS

  2. why In the current RFC4427 the protection switch the priority of Forced Switch (FS) and Signal Fail on Protection (SF-P) is not aligned with the priorities defined by ITU-T in e.g. G.841. Because in-band protection switch commands are sent on the protection path, SF-P should have a higher priority than FS. In this case a FS will not disrupt traffic.

  3. how • In RFC4427 make the distinction: • protection schemes which DO NOT use an in-band communication channel:FS has highest priority (over SF-P) • protection schemes which DO use an in-band communication channel:SF-P has the highest priority (over FS)

  4. how (continued) Options: • Replace RFC4427 • Issue an RFC4427 bis • Issue an ERRATUM to add a note. Huub.van.Helvoort@Huawei.com

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