Performance evaluation of JXTA communication layers

Abstract

Abstract-The arrival of the P2P model has opened many new avenues for research within the field of distributed computing. This is mainly due to important practical features (such as support for volatility, high scalability). Several generic P2P libraries have been proposed for building higher-level services. In order to judge the appropriateness of using a generic P2P library for a given application type, an experimental performance evaluation of the provided functionalities is unavoidable. Very few analyses of this kind have been reported, as most evaluations are limited to complexity analyses and to simulations. Such experimental analyses are important, especially when using P2P software in a grid computing context, where applications may have precise efficiency requirements. In this paper, we focus on JXTA, which provides generic building blocks and protocols intended to serve as a basis for specialized P2P services and applications. We perform a performance evaluation of the three communication layers (endpoint, pipe and socket) over a Fast Ethernet local-area network, for recent versions of the J2SE and C bindings of JXTA. We provide a detailed analysis explaining the behavior of these three layers and we give hints showing how to efficiently use them.

A peer-to-peer registry for network management Web services

“…Extrapolating these results for 1280 peers, we should be around 0.5 s. for the average processing time. This is consistent with the evaluation results for the underlying JXTA framework [34], [35].…”

Enabling the P2P JXTA Platform for High-Performance Networking Grid Infrastructures

“…The upper layer (unicast pipe) reaches bandwidths of 97.6 MB/s and 87.7 MB/s over Myrinet and Giga Ethernet, respectively. These unsatisfactory results are due to memory copies being used in the implementation of the endpoint layer of JXTA-C. Table 1 highlights reduced latencies, especially on Giga Ethernet, as compared to results published in [6]: 820 s for the endpoint layer and 1.99 ms for the pipe layer. To achieve this improvement, we modified the implementation of the endpoint layer of JXTA-C by disabling TCP packet aggregation mechanism, as it adds significantly to the latency.…”

“…The performance of JXTA-J2SE communication layers has been the subject of many papers [10,11,12,13,14,15] and has served as reference for comparisons with other P2P systems [16,17,18]. The most recent evaluation of JXTA-J2SE is [6], which also provides an evaluation of JXTA-C, but only over Fast Ethernet LAN networks. However, it gives hints on how to use JXTA in order to get good performance on this kind of networks.…”

“…Gigabit/s) networks. A detailed description of the communications layers of JXTA can be found in [6]. This paper focuses on the evaluation of JXTA-J2SE and JXTA-C 3 over both SANs and WANs.…”

Performance scalability of the JXTA P2P framework

“…However most of these evaluations were performed at application-level, without any analysis of the internal behavior of JXTA's protocols. Such an analysis has recently been provided for the performance of JXTA's communication layers [3,4]. The goal of this paper is to bring a similar contribution by analyzing and evaluating JXTA's LC-DHT mechanism, on which relies JXTA's protocols for resource publishing and discovery.…”