An other general comment on the draft:
The draft title should rather be "Validating the IP-ID field
value with eCRTP in case of packet reordering", as the draft
does not address any other aspects of how to make eCRTP work
in such scenarios. The current title can give the reader the
impression this is the only thing to consider when using
eCRTP over links that can reorder packets, which is for sure
not correct.
The ROHC document draft-ietf-rohc-over-reordering-02.txt makes
a detailed analysis of what to consider in case of link-level
reordering. If the authors of draft-koren-avt-ecrtp-reorder
want to provide good guidelines for implementers of eCRTP in
reordering scenarios, I would suggest looking at the ROHC
reordering draft for inspiration.
For a study of eCRTP operation in reordering scenarios, please
refer to the following document:
http://epubl.luth.se/1402-1617/2004/286/LTU-EX-04286-SE.pdf
BR
/L-E
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