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http://jira.jboss.com/jira/browse/JGRP-717?page=comments#action_12417508 ]
Bela Ban commented on JGRP-717:
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[Bela]
Actually, thinking about it, I have a problem with your argument:
- When the view change at A (without B) is installed, the entry for B is destroyed
- This causes the socket from A to B to be closed
- On B, the socket close is registered and the connection should be removed there too. If
this is not the case, it's a bug !
- When B sends the next OOB message, a *new* connection should be created, so the send()
should pass !
Message ordering protocol for TCP unicasts
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Key: JGRP-717
URL:
http://jira.jboss.com/jira/browse/JGRP-717
Project: JGroups
Issue Type: Feature Request
Reporter: Brian Stansberry
Assigned To: Bela Ban
Fix For: 2.7, 2.6.3
With the introduction of a thread pool in the TCP protocol, the ability to relying on
TCP/IP to guarantee ordering of unicast messages is lost. See JGRP-716. Solution is to
add UNICAST to TCP-based stacks that use a thread pool. This is not ideal since UNICAST
adds overhead for reliable transmission (sending ACKs, retaining sent messages for
retransmission) and this overhead is unnecessary with TCP. Request is for a protocol with
the message ordering functionality of UNICAST but without the reliable transmission
features.
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