Development of time division switching hub for synchronous TDMA

In this article, the prototyping of a synchronous hybrid switching hub is discussed. It uses the network processor IXP 1200 in multi-hop networks. In general, transmission times caused by a switching hub/router vary according to its load and the traffic of networks. It is because delay distributes whenever packets pass through a router even if real-time communication networks are used for all subnets. To stabilize the transmission time, this article proposes a real-time switching hub for the protocols so as to synchronize all of communication and forwarding processes for a periodical communication for global networks.