Advances in Computing Science — ASIAN 2002: Internet by Alessandro Bassi, Micah Beck, Terry Moore (auth.), Alain

By Alessandro Bassi, Micah Beck, Terry Moore (auth.), Alain Jean-Marie (eds.)

This ebook constitutes the refereed court cases of the seventh Asian Computing technological know-how convention, ASIAN 2002, held in Hanoi, Vietnam in December 2002.
The 17 revised complete papers provided including invited contributions have been conscientiously reviewed and chosen from 30 submissions. The convention used to be dedicated to web computing and modeling, grid computing, peer-to-peer platforms, and cluster computing. one of the matters addressed are scalable infrastructure for worldwide info grids, allotted checkpointing, record coloring, parallel debugging, combinatorial optimization, video on call for servers, caching, grid environments, community enabled servers, multicast verbal exchange, dynamic source allocation, site visitors engineering, path-vector protocols, Web-based web broadcasting, Web-based middleware, and subscription-based web prone.

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Extra info for Advances in Computing Science — ASIAN 2002: Internet Computing and Modeling, Grid Computing, Peer-to-Peer Computing, and Cluster Computing 7th Asian Computing Science Conference Hanoi, Vietnam, December 4–6, 2002 Proceedings

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K. Li, J. Naughton and J. Plank, “Low-Latency Concurrent Checkpoint for Parallel Programs”, IEEE Trans. on Parallel and Dist. 874879. M. Malhotra and K. Trivedi, “Reliability Analysis of Redundant Arrays of Inexpensive Disks”, Journal of Parallel and Distributed Computing, 1993. NAS Parallel Benchmarks. gov/Software/NPB/ Distributed Checkpointing on Clusters with Dynamic Striping and Staggering 17. 18. 19. 20. 21. 22. 23. 24. 25. 33 R. H. Netzer and J. Xu, “Necessary and Sufficient Conditions for Consistent Global Snapshots”, IEEE Trans.

For example, in Figure 4, the SV vector of event c on process P2 is [4,2,0], which shows that the last coming messages from processes P0 and P1, which are received, are created by event b (ID = 4) and a (ID = 2). If a vector timestamp is used, the vector timestamp of c shows that the last events on processes P0 and P1, which are happened-before c, are b and d. Consequently, the vector timestamp of c must be [4,5,x]. The SV vector is stored in the trace data of each checkpoint event. During the recovery process, all SV vectors of checkpoint events in the recovery line are used to compute the useful vector RVs sent to other processes as following: Shortcut Replay: A Replay Technique for Debugging Long-Running Parallel Programs 41 Vector RVq is sent to process Pq where RVq[q]=0 and RVq[i]= SVi[q] ("ižq in [0,n), where n is the number of processes) with SVi is the SV vector of checkpoint event on process Pi at the recovery line.

The shortcut replay technique gives a new method to control re-executions of parallel programs and thus allows us to flexibly choose recovery lines. Consequently, the rollback/replay distance and the replay time are minimized. In addition, a method to construct a suitable recovery line based on R2-graph and DR2-path is introduced. These techniques are successfully applied in Rollback-One-Step method [25] and MRT method [26] in order to limit the rollback distance or the replay time about two checkpoint intervals.

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