Hi folks,
Suppose a proxy which forks OPTIONS to two endpoints,
endpoint A responds with 200 promptly, endpoint B responds with 100.
so does proxy need to send to CANCEL to endpoint B?
from RFC3261,
16.7 Response Processing
10. Generate CANCELs
If the forwarded response was a final response, the proxy MUST
generate a CANCEL request for all pending client transactions
associated with this response context.
it looks proxy MUST do it.
However, I wonder if it's really true.
since
sec 9.1 Client Behavior
A CANCEL request SHOULD NOT be sent to cancel a request other than
INVITE.
so why proxy MUST cancel forked non-INVITE req here?
thanks
-Rockson
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