Research And Monitoring On The Scalability Mechanism Of JXTA Network

Recently, the word "Peer to Peer" (P2P) has become a hotspot in both the Computer and the Communication Science. The P2P applications such as QQ, MSN, Gnutella, provide great convenience for the work and life of people, and make people easily get the resources they want. However, as every P2P company developed their own applications based on different standards, most of the applications can not interact with each other, and it also brings out some security issues. JXTA is the new technology whose aim is to solve these problems.JXTA provides a unified and open platform to P2P application companies, and provides the basic mechanism to develop various P2P applications, which will make the companies easily develop their applications, regardless of the common challenges for P2P applications.This paper is focused on the scalability of JXTA and its Java reference implementations. Thereafter, it introduces the idea to design and implement a monitoring network for JXTA (JNMS: JXTA Network Monitoring System), which will facilitate the monitoring work.It can be divided into 3 parts. First, it introduces the background knowledge, including the concepts of P2P network and JXTA, the state of arts of these technologies. Second, it moves to the technologies related to network scalability. It is very necessary to build a large P2P network. JXTA makes it possible by taking advantage of many technologies used by other P2P applications. Lastly, the paper introduces the design and practice of JNMS. JNMS is aimed at monitoring the service metrics of JXTA platform, such as the rendezvous service, transport service, resolver service, and avoiding the disadvantageous influence to the platform.