Secure Group Communication in Asynchronous Networks with Failures: Integration and Experiments

The increasing popularity and diversity of collaborative applications prompts a need for highly secure and reliable communication platforms for dynamic peer groups. Security mechanisms for such groups tend to be both expensive and complex and their integration with reliable group communication services presents a formidable challenge. This paper discusses some important integration issues, reports on our implementation experience and provides experimental results. Our approach utilizes distributed group key management developed by the Cliques project. We enhance it to handle processor and network faults (under a fail-stop or crash-and-recover model) and asynchronous membership events (such as joins, leaves, merges and network partitions). Our approach leverages the strong properties provided by the Spread group communication system, such as message ordering, clean failure semantics and a membership service. The result of this work is a secure group communications layer and an API that...

• Type: Conference
• Year: 2000
• Where: ICDCS
• Authors: Jonathan Robert Stanton, Yair Amir, Damian Hasse, Giuseppe Ateniese, Yongdae Kim, Cristina Nita-Rotaru, Theo Schlossnagle, John L. Schultz, Gene Tsudik
• Keywords: Distributed And Parallel Computing, Group Communication, Group Communication Services, ICDCS 2000, Reliable Group Communication