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Document: draft-ietf-httpbis-cdn-loop-01
Reviewer: Joel Halpern
Review Date: 2018-12-03
IETF LC End Date: 2018-12-11
IESG Telechat date: Not scheduled for a telechat

Summary: This document is ready for publication as a Proposed Standard RFC
                    There are two issues that I think should be addressed before publication

Major issues: N/A

Minor issues:
    This depends upon CDNs which have not been upgraded not stripping this header.  While I can believe that is a reasonable assumption, it seems that a paragraph explaining that it is the case, and if possible what experience leads us to think it is the case, would be helpful.

    This document says that it is to protect against attackers causing loops.  If the attacker is an external customer, the advice in the security considerations section makes sense.  The other apparent attack would be an attacker in the network who strips the information each time it comes past.  I believe the reason this is only an apparent attack is that such an attacker could almost as easily simply generate additional messages instead of producing a loop.  If I have inferred this correctly, it seems useful to state it.

Nits/editorial comments:  N/A