[jboss-jira] [JBoss JIRA] Commented: (JGRP-281) Investigate whether sent messages need to be buffered in NAKACK
[ http://jira.jboss.com/jira/browse/JGRP-281?page=comments#action_12348953 ]
Bela Ban commented on JGRP-281:
-------------------------------
We can actually club sent_msgs, received_msgs and delivered_msgs into *one* xmit_table
variable !
Mcast message is sent:
- in down() we add the message to xmit_table
- if loopback is set, we pass a copy of the message back up the stack and increment the
'delivered' counter of
xmit_table for ourselves
Mcast message is received:
- If sender == self and loopback is set: discard
Stability message is received:
- Remove messages from xmit_table whose seqno is lower than the stability message
Investigate whether sent messages need to be buffered in NAKACK
---------------------------------------------------------------
Key: JGRP-281
URL: http://jira.jboss.com/jira/browse/JGRP-281
Project: JGroups
Issue Type: Task
Affects Versions: 2.4, 2.3 SP1
Reporter: Bela Ban
Assigned To: Bela Ban
Fix For: 2.5
NAKACK buffers sent messages in sent-table and received messages in received-table. We
might be able to discard sent-table entirely because received-table will contain a message
sent by oneself !
Once we have loopback in place by default, we can be sure that any message sent by P will
be in P's received-table.
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