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RE: Interface reality check

Title: RE: Interface reality check


Your understanding of the SONET deserializer/section framer is correct. It does
require bit slipping to frame & ensure the demux'd byte alignment corresponds
with SONET bytes. If the path payload is byte oriented, then no further alignment is
required, as with our <length><type><HEC> proposal. If the path payload is not byte
oriented, then a subsequent bit slipping delineation is required, as with 64B/66B in
SONET. Keep in mind there is the SONET section layer framer & then the SONET
path layer payload delineation.


David W. Martin
Nortel Networks
+1 613 765-2901  
+1 613 763-2388 (fax)