KEYWORDS: Dynamical systems, Analytical research, Data storage, Optoelectronics, Internet, Photonics, Optical storage, Current controlled current source, Systems modeling, Network architectures
The main reason of causing the cost in p2p system is the maintenance cost that nodes build their routing information. In a
large-scale system or a dynamic environment, p2p system generates considerable maintenance workload, which not only
increase the bandwidth consumption but also affect the routing efficiency. So we present here a new Hierarchy_based
maintenance method to minimize the maintenance cost which combines the hierarchical DHT algorithm with a peer
proximity mechanism. The analysis results show our design can significantly decrease maintenance cost and improve
scalability of the P2P system.
Nowadays P2P systems have become increasingly popular for object distribution and file sharing, and the majority of
Internet traffic is generated by P2P file sharing applications. However, those applications usually ignored the underlying
proximity of physical nodes and regionalization of file accessing. As a result, they generate a large amount of
unnecessary interdomain transit traffic and increase response latency. In this paper, we proposed a new traffic control
approach to enhance p2p traffic locality and reduce the cross-group transfer. Using analysis, we show that the method
substantially improves node transfer efficiency and significantly reduces file access latency compared with native P2P
applications.
The structured overlay networks based on DHT provide a decentralized, self-organizing substrate for building the large
distributed systems such as file sharing and data storage. However, in most of these systems, many problems still remain
to be solved regarding system scalability, network proximity and so on. In this paper, we present a novel routing protocol
called PBHC. By combining hierarchical DHT algorithm with a data proximity mechanism PBHC minimizes the intracluster
access traffic and boosts the local access ratio in heterogeneous networks environment. The simulation results
show PBHC can significantly improve the routing performance and scalability of the P2P storage system.
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