Differences

This shows you the differences between two versions of the page.

--- otm:ordering_of_messages [2011/06/27 08:09]
aspectscript
+++ otm:ordering_of_messages [2011/06/27 09:19] (current)
aspectscript
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 ====== Controlling Message Causality ======
-{{ :otm:webordering.png?352x253 | Ajax requests }}
+{{ :otm:ajax.png?533x270 |}}
 A Web application can send several Ajax requests to different servers. However, the application can retrieve and process the server responses in an arbitrary order; meaning that this application may behave nondeterministically due to the lack of control of the causality between Ajax requests and server responses. For example, the figure shows that if a WebApp sends
@@ Line 13: / Line 13: @@
   * [[otm/ordering_of_messages/Discard Early|Discard Early]]. The Discard Early strategy discards early server responses. This example illustrates how to define and use the discard early strategy to show correctly the first posts of a thread in a forum.
+Using WeCa, which combines [[en.wikipedia.org/wiki/Aspect-oriented_programming|aspects]] and [[http://en.wikipedia.org/wiki/Vector_clock|message ordering strategies]], we develop these strategies.
 Go [[../weca|WeCa home]].