Fault tolerant computing in computational field model

Uehara, Masato

doi:10.1109/ecbs.1997.581773

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Cited by 5 publications

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“…Another approach is fault avoidance by voting outputs of redundant modules [10]. However, in this approach, we need more than 3 tasks that process the same work.…”

Section: Related Workmentioning

confidence: 99%

Scalability and reliability in a distributed search engine

Sato

Udagawa

Uehara

et al.

Ninth International Conference on Parallel and Distributed Systems, 2002. Proceedings.

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We have developed distributed search engine, called Cooperative Search Engine (CSE), in order to retrieve fresh information. In CSE, a local search engine located in each Web server makes an index of local pages. And, a meta search server integrates these local search engines in order to realize a global search engine. In such a way, the communication delay occurs at retrieval time. So, it is thought to be difficult to search fast. However, we have developed several speedup techniques in order to realize real time retrieval. In addition, the meta server is single point of failure in CSE. So, we propose redundancy of meta search servers in order to increase availability of CSE. In this paper, we describe scalability and reliability of CSE and their evaluations.

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“…Another approach is fault avoidance by voting outputs of redundant modules [10]. However, in this approach, we need more than 3 tasks that process the same work.…”

Section: Related Workmentioning

confidence: 99%