Re: a_rwnd=0 - heartbeat messages allowed?
Michael Tüxen <[email protected]>
| Newsgroups | gmane.ietf.sigtran |
|---|---|
| Message-ID | <[email protected]> |
On Jan 21, 2010, at 10:29 AM, Des Smyth wrote: > Hi all > > I am conformance testing a Sigtran stack and I am trying to figure out if the behaviour described below is correct: > > Tester SUT > <---------- DATA > SACK (rwnd=1500) -----------> > SACK (rwnd=0) -----------> > DATA -----------> > <----------- SACK > <----------- HEARTBEAT > <----------- HEARTBEAT > <----------- HEARTBEAT > <----------- HEARTBEAT > association down. > > Should the SUT send a SACK for the DATA with tester rwnd=0? I'm assuming that the SUT is an echo server... Is this right? Then the tester sets the a_rwnd to 0, and sends a DATA chunk to the peer. Then the SUT should do zero window probing. It is not... > If this is ok, should SUT send HEARBEAT with rwnd=0? HEARTBEATs are not affected by the a_rwnd. > > Any comments appreciated. > > Regards, > Des > _______________________________________________ > Sigtran mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/sigtran