[RRG] RE: LISP PMTU & fragmentation problems

["Templin, Fred L" <Fred.L.Templin@boeing.com>]

Robin,

>Fred Templin and I believe that the
>only way to do robust PMTUD is with explicit probe packets from the
>ITR to the ETR, with nonce-protected acknowledgements of proper
>reception.

Slight clarification; SEAL supports both explicit *and*
implicit probes. In SEAL, the data packets themselves
serve as implicit probes without exposing them to loss
under normal circumstances. (Plus, the SEAL nonce is
based on the 32-bit Identification field.)

Fred
fred.l.templin@boeing.com

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