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Secure Spread: An Integrated Architecture for Secure Group Communication
 

Summary: 1
Secure Spread: An Integrated Architecture for
Secure Group Communication
Yair Amir, Member, IEEE, Cristina Nita-Rotaru, Member, IEEE, Jonathan Stanton, Member, IEEE,
and Gene Tsudik, Member, IEEE
Abstract-- Group communication systems are high-availability
distributed systems providing reliable and ordered message
delivery as well as a membership service to group-oriented
applications. Many such systems are built using a distributed
client-server architecture where a relatively small set of servers
sharing information about the groups in the system provide
service to numerous clients.
In this work, we show how group communication systems can
be enhanced with security services without sacrificing robustness
and performance. More specifically, we propose several inte-
grated security architectures for distributed client-server group
communication systems. In an integrated architecture, security
services are implemented in servers, in contrast to a layered
architecture where the same services are implemented in clients.
We discuss performance and accompanying trust issues of each

  

Source: Amir, Yair - Department of Computer Science, Johns Hopkins University
Nita-Rotaru, Cristina - Department of Computer Sciences, Purdue University

 

Collections: Computer Technologies and Information Sciences