Highly Efficient Transport Protocol for Large Capacity Data Files and Its Visualizing Methods

Internet-related technology has made remarkable progress in the past years, and the main problem is the increase in bandwidth required for delivery of large-capacity files. To solve this problem, we describe a protocol named Non-ordered Block Transfer on Explicit Multi-Unicast (NBT on XCAST). The purpose of this protocol is to save network bandwidth and to reduce server load in delivering large-capacity stored files. In addition, it is necessary to perform simulation for evaluating and reviewing the new protocol. Therefore, we propose a method for visualizing NBT on XCAST protocol. The purpose of this approach is to understand the status of the whole network system with NBT on XCAST. In this visualization method, vertices and edges represent client and routers and communication lines, respectively.