Projects / Appia


Appia is a framework for network protocol composition that includes a complete set of protocols that provide group communication and atomic broadcast. It is extensible and can create channels that fit the user's needs.

Operating Systems

Recent releases

  •  09 Dec 2007 14:05

    Release Notes: A small issue on the Appia kernel was fixed. Examples that show how to use jGCS with Appia were added. Some examples that show how to use open groups with Appia and jGCS were added. Small issues in the RemoteView protocol were fixed.

    •  31 Oct 2007 09:30

      Release Notes: Package names were replaced. JMX interfaces were added to retrieve information about membership and throughput. JMX interfaces are now created dynamically. Several bugs were fixed in the failure detector protocol. A sender thread was introduced in the TCP protocol to avoid blocking the Appia main thread. Several issues on the Primary View protocol were fixed. The implementation of jGCS version 0.6.1 was added. Appia is now fully jGCS compliant. The mx4j libraries were dropped.

      •  08 Aug 2007 12:59

        Release Notes: This release solves several bugs and has some improvements for JMX and Log4j. It also includes some new protocols for total order, primary views, and uniformity.

        •  18 Jan 2007 18:05

          Release Notes: This release contains some bugfixes, improvements in the SSL protocol, and some improvements in the initial configuration of a membership view.

          •  20 Oct 2006 15:04

            Release Notes: This release includes a new protocol for membership addresses discovery and some code cleanup.


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