Aquarius A Data Centric Approach to CORBA Fault-Tolerance

Welcome to the Aquarius homepage.
Aquarius is a set of packages that enable fault-tolerance in CORBA. The system uses quorum based replication in order to acheive fault-tolerance. The object creator has complete control of all quorum parameters, allowing greater flexibility. Incorporating Aquarius into an existing client/server system requires little or no change to the legacy code, relying instead on standard CORBA mechanisms to maintain the tranparency of the service.

Aquarius was developed in the Distributed Algorithms, Networking and Secure Systems Group, a part of the School of Computer science and engineering in the Hebrew Univesity in Jerusalem.

For a full review of the Aquarius design and architecture, read this paper (ps, pdf) which was presented in the Workshop on Reliable and Secure Middleware, part of the International Symposium on Distributed Objects and Applications (DOA) 2003.

For an in depth description of the code itself, read the project documentation.

The code itself is available as a zip archive (available only inside the Hebrew University).

People

Supervision:

Developers

Related Publications

• State-Machine Replication with Infinitely Many Processes: A position Paper.
  By G. Chockler, D. Malkhi and D. Dolev.
  In proceedings of the International Workshop on Future Directions in Distributed Computing (FuDiCo), Bertinoro, Italy, 2002.
  Postscript.
• A Quorum Based Approach to CORBA Fault-Tolerance. By G. Chokler, D. Dolev and D. Malkhi.
  European Research Seminar on Advances in Distributed Systems (Ersads 2001), Bologna, Italy, May 2001.
  Postscript.
• Backoff Protocols for Distributed Mutual Exclusion and Ordering. By G. Chokler, D. Malkhi and M. Reiter.
  ICDCS 2001.
  Postscript.
• Aquarius: A Data-Centric approach to CORBA Fault-Tolerance. By G. Chokler, D. Malkhi, B. Merimovich and D. Rabinowitz.
  The workshop on Reliable and Secure Middleware, in the 2003 International Conference on Distributed Objects and Applications (DOA), Sicily, Italy, November 2003.
  Postscript, pdf.

Resources

Questions and comments can be sent to {barakm, dar, grishac}@cs.huji.ac.il