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Misc. considerations
Use of PWsec must be
configured in both IWFs or
signaled via new TLV in PWE control protocol
Initialization Vector
MACsec’s IV is 4B counter + 8B SCI
here IV should be chosen pseudo-randomly
Source authentication
as PW packet does not contain a source ID
can use source PE ID + AI
if LDP is authenticated, can use PW label + SN
PPT Version