[jboss-jira] [JBoss JIRA] (JGRP-1105) UNICAST: don't send retransmission messages individually

[Bela Ban (JIRA)]

     [ https://issues.jboss.org/browse/JGRP-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-1105.
----------------------------

    Resolution: Won't Fix

    
> UNICAST: don't send retransmission messages individually
> --------------------------------------------------------
>
>                 Key: JGRP-1105
>                 URL: https://issues.jboss.org/browse/JGRP-1105
>             Project: JGroups
>          Issue Type: Feature Request
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>             Fix For: 3.3
>
>
> Essentially the same as for NAKACK: instead of adding every message to the retransmitter and creating 1 timer task for it, we create SeqnoRanges in increments of (say) 1000 messages. SeqnoRange #1 is 1-1000, #2 is 1001-2000 and so on.
> Every SeqnoRange has a low and a high, e.g. lo=1 and high=1000. However, we only retransmit messages with their bit set to 0 from low to bits.length: if we added messages 1-100 to the first range, then low=1, length=100 and high=1000. We only retransmit from 1-100.
> This creates 1 task in the timer for 1000 messages, instead of 1000 tasks ! When adding a new message (e.g. 101), length() gets automatically adjusted, so retransmission will include 1-101 (only the 0 bits of course).

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