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IEICE TRANSACTIONS on Communications

Open Access
An Optimistic Synchronization Based Optimal Server Selection Scheme for Delay Sensitive Communication Services

Akio KAWABATA, Bijoy Chand CHATTERJEE, Eiji OKI

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Summary :

In distributed processing for communication services, a proper server selection scheme is required to reduce delay by ensuring the event occurrence order. Although a conservative synchronization algorithm (CSA) has been used to achieve this goal, an optimistic synchronization algorithm (OSA) can be feasible for synchronizing distributed systems. In comparison with CSA, which reproduces events in occurrence order before processing applications, OSA can be feasible to realize low delay communication as the processing events arrive sequentially. This paper proposes an optimal server selection scheme that uses OSA for distributed processing systems to minimize end-to-end delay under the condition that maximum status holding time is limited. In other words, the end-to-end delay is minimized based on the allowed rollback time, which is given according to the application designing aspects and availability of computing resources. Numerical results indicate that the proposed scheme reduces the delay compared to the conventional scheme.

Publication
IEICE TRANSACTIONS on Communications Vol.E104-B No.10 pp.1277-1287
Publication Date
2021/10/01
Publicized
2021/04/09
Online ISSN
1745-1345
DOI
10.1587/transcom.2020EBP3178
Type of Manuscript
PAPER
Category
Network System

Authors

Akio KAWABATA
  the NTT Network Technology Laboratories
Bijoy Chand CHATTERJEE
  the South Asian University
Eiji OKI
  the Kyoto University

Keyword