| Multimedia applications, involving real-time audio/video teleconferencing and telemedicine require strict quality of service (QoS) constraints. Establishing a connection that provides a guaranteed service involves routing, signaling, call admission, and resource reservation. A number of schemes that have been studied in this research work such as Delay-Constraint Unicast Routing (DCUR), Delay-Constraint Routing (DCR), and Distributed Delay-Constraint Algorithm (DDCA) are mainly focusing on the routing aspect of the problem while leaving the call admission and resource reservation problems for future investigation. In our work, we are analyzing and comparing the above-mentioned Delay-Constrained Least-Cost (DCLC) algorithms while integrating them with call admission and resource reservation in order to find the most viable path finding algorithm among the chosen schemes. We call this the Integrated Routing Protocol (IRP). IRP establishes a unicast connection in two stages, a forward routing stage and a backward setup configuration stage. (Abstract shortened by UMI.)... |
