Release Notes

Version 0.2.6 (2022-01-06)

Security Issue

Bump log4j from 1.2.17 to 2.17.1 and adapt to the new log4j interface.

Version 0.2.5 (2021-07-22)

API Changes

Change getServerCount() and getClientCount() in VanillaCommClient and VanillaCommServer from non-static methods to static methods.
Update the constructor of ZabElectionLayer so that we can give it a machine ID as the default Zab leader.
Add a constructor for VanillaCommServer so that we can set the default Zab leader.

Version 0.2.4 (2021-06-13)

Bug Fixes

Fix the concurrency bugs in Appia (which is included in Appia-Core).

Version 0.2.3 (2021-06-13)

Enhancements

Add a message to identify the unrecognized sources in the failure detection layer.
Remove failure detection layer from P2P channels to reduce the number of exchange messages.

Version 0.2.2 (2020-06-04)

Bug Fixes

Add heartbeat signals to the failure detection layer in order to prevent disconnection due to TCP timeout.

Version 0.2.1 (2020-05-14)

Bug Fixes

Fix the bug that some classes cannot find the package of flooding consensus.

Version 0.2.0 (2020-05-12)

Refactor

Refactor the whole architecture to improve readability and effciency.

Version 0.1.1 (2020-02-25)

Enhancements

Extend the API of ServerAppl for sending messages.
Add a support to send P2P messages between client applications.

Version 0.1.0 (2016-09-13)

A communication module with the following protocols
- Zab
- Paxos
- P2P
- Failure Detection