We consider the problem of interconnecting a simple type of social network: Instant Messaging services. Today, users are members of various IM communities such as AOL, Yahoo, and ...
Instant Messaging (IM) is in addition to Web and Email the most popular service on the Internet. With xOperator we present a strategy and implementation which deeply integrates Ins...
Online Social Networks (OSNs) are more and more popular recently; people may through them interact with each other for the purpose of social intercourse. The client/server OSN arch...
This paper proposes new protocols for the interconnection of FIFO- and causal-ordered broadcast systems, thus increasing their scalability. They use several interconnection links b...
In s-to-p broadcasting, s processors in a p-processor machine contain a message to be broadcast to all the processors, 1 s p. We present a number of different broadcasting algori...