Author: fhanik
Date: Sun Mar 19 18:24:57 2006
New Revision: 387110
URL: http://svn.apache.org/viewcvs?rev=387110&view=rev
Log:
more notes about total token protocol
Modified:
tomcat/container/tc5.5.x/modules/groupcom/to-do.txt
Modified: tomcat/container/tc5.5.x/modules/groupcom/to-do.txt
URL:
http://svn.apache.org/viewcvs/tomcat/container/tc5.5.x/modules/groupcom/to-do.txt?rev=387110&r1=387109&r2=387110&view=diff
==============================================================================
--- tomcat/container/tc5.5.x/modules/groupcom/to-do.txt (original)
+++ tomcat/container/tc5.5.x/modules/groupcom/to-do.txt Sun Mar 19 18:24:57 2006
@@ -26,6 +26,9 @@
Code Tasks:
===========================================
+25. Member.uniqueId - 16 bytes unique for a member, UUID
+ Needed to not confuse a crashed member with a revived member on the same
port
+
24. MessageDispatchInterceptor - for asynchronous sending
- looks at the options flag SEND_OPTIONS_ASYNCHRONOUS
- has two modes
@@ -35,6 +38,7 @@
- Callback error handler - for when messages fail, and the application
wishes to become notified
- MUST HAVE A LIMIT QUEUE SIZE IN MB, to avoid OOM errors or persist the
queue.
+
23. TotalOrderInterceptor - fairly straight forward implementation
This interceptor would depend on the fact that there is some sort of
membership coordinator, see task 9.
@@ -46,6 +50,9 @@
two different members, ie
Message A - all members - total order (mbrA-2, mbrB-2, mbrC-2, mbrD-2)
Message B - mbrC,mbrD only - total order (mbrA-2, mbrB-2, mbrC-3, mbrD-3)
+ - The combination of Member uniqueId,orderId is unique, nothing else
+ this way, if a member crashes, we don't hold the queue, instead we start
over.
+ - A TotalOrder token, will contain the coordinator uniqueId as well.
21. Implement a WAN membership layer, using a WANMbrInterceptor and a
WAN Router/Forwarder (Tipi on top of a ManagedChannel)
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