On 11/30/2011 02:19 PM, Michael Tuexen wrote:
- S5, second paragraph --- "The procedures outlined in this section are
designed so that the incoming side will always reset their stream
sequence number first before the outgoing side which means the re-
configuration request must always originate from the outgoing side."
A stream is unidirectional. So it is outgoing for one side, incoming
for the other. The outgoing side has to request the reset, the incoming
side will perform it and acknowledge that the reset has been performed and
then the outgoing side will also do the reset.
OK, so let's see ... assume two hosts A and B with two unidrectional
streams open between them:
--------- a' -------->
A B
<-------- b' ---------
a' is outgoing stream for A and incoming stream for B.
b' is outgoing stream for B and incoming stream for A.
What you are saying is that either A has to request a reset on a'
or B has to request a reset on b'. In the worst possible case,
both A and B can request a reset on their respective streams
(A on a' and B on b') without leading to deadlock or a violation
of the protocol. Yes?
If so, then this discussion at least makes it clear to me. However,
I will leave it to you on whether or not to clarify this further
in the draft. When I read the draft initially, I certainly had
enough doubts that resulted in this email exchange.
Thanks,
- vijay
--
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60566 (USA)
Email: vkg@{bell-labs.com,acm.org} / [email protected]
Web: http://ect.bell-labs.com/who/vkg/
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