libace-tmcast-dev 5.4.7-6 (amd64 binary) in ubuntu dapper

A transactional multicast library in C++ (development files)
 This package contains transactional multicast framework development files
 for ACE.
 .
 In essence, the idea is to represent each message delivery to members
 of a multicast group as a transaction - an atomic, consistent and
 isolated action.