Presentation 2014-04-17
Elastic and strict load balancing via consistent hashing
Yuichi NAKATANI, Hiroyuki KURITA, Naoki TAKADA, Takao YAMASHITA,
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Abstract(in English) Load balancing is a key function constructing massively distributed systems. Stateful services like SIP and distributed hash tables need special load balancing units that route the related packets, which refer to the same states or data, to a certain server. Many works proposed the load balancing schemes with consistent hashing. But consistent hashing has a defect that it raises load unbalance, sometimes large. The unbalance is caused by its determination of distribution logic, which allocates the hash-space at random. Hence we propose a method of allocation that realizes strict load balancing, considering fault-tolerance and elastics (variation of the number of servers). In addition to that, we evaluate the effectiveness of our method by simulation.
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Keyword(in English) Consistent hashing / Load balancing / Distributed hash table / stateful
Paper # IN2014-1
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Committee IN
Conference Date 2014/4/10(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Elastic and strict load balancing via consistent hashing
Sub Title (in English)
Keyword(1) Consistent hashing
Keyword(2) Load balancing
Keyword(3) Distributed hash table
Keyword(4) stateful
1st Author's Name Yuichi NAKATANI
1st Author's Affiliation NTT Network Service Systems Laboratories, NTT Corporation()
2nd Author's Name Hiroyuki KURITA
2nd Author's Affiliation NTT Network Service Systems Laboratories, NTT Corporation
3rd Author's Name Naoki TAKADA
3rd Author's Affiliation NTT Network Service Systems Laboratories, NTT Corporation
4th Author's Name Takao YAMASHITA
4th Author's Affiliation NTT Network Service Systems Laboratories, NTT Corporation
Date 2014-04-17
Paper # IN2014-1
Volume (vol) vol.114
Number (no) 7
Page pp.pp.-
#Pages 6
Date of Issue