Publish/subscribe gateway for voice communication

Currently, one trend in network research is to revise the architecture of the present Internet, from “Host-Centric Networking” to a new concept called “Information-Centric Networking (ICN)”. One of the ongoing projects in this field is PURSUIT, which uses the publish/subscribe paradigm as a basic communication model. In this paper we propose a novel design of a gateway which connects IP and PURSUIT publish/subscribe networks together, enabling their co-existence during an IP to pub/sub migration phase, for example. We focus on the gateway´s mechanism to transparently convert IP-based end-to-end traffic to the publish/subscribe based, and vice versa, in order to support voice communication using Session Initiation Protocol (SIP). In addition, we describe our prototype implementation, evaluate the system´s performance, and finally compare the call setup efficiency between IP and pub/sub networks.