In 8.2.7 Stateless UAS Behavior
o A stateless UAS MUST ignore CANCEL requests.
o To header tags MUST be generated for responses in a stateless
manner - in a manner that will generate the same tag for the
same request consistently. For information on tag construction
see Section 19.3.
Questions:
1. Why should a stateless UAS ignore CANCEL? I would expect it to respond
with a 481he CANCEL.
2. Why does a a stateless UAS need to generate the same TO tag? If the
request retransmits and the response has a different tag, it will only
appear (to the uac) to have forked.
Since the tag is just a gloablly random quantity and is not a hash of the
request parameters, it will not be the same.
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