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ThinkMind // ICWMC 2012, The Eighth International Conference on Wireless and Mobile Communications // View article icwmc_2012_7_10_20055


High-Throughput Mail Gateways for Mobile E-mail Services based on In-Memory KVS

Authors:
Masafumi Kinoshita
Gen Tsuchida
Takafumi Koike

Keywords: MTA (mail transfer agent); KVS (key-value-store); in-memory data grid

Abstract:
Mobile network operators providing e-mail services require mail systems to process large volumes of e-mail traffic to and from mobile terminals. Mail gateways, particularly those that accept e-mail messages from external systems and transfer them with store-and-forward communication, require much higher throughput that conventional mail gateways cannot provide. Mail gateways are also required to preserve consistent data and to provide queued services in order. We propose a mail gateway system for mobile e-mail services based on a distributed in-memory key-value-store (KVS) to meet four requirements of high-throughput, high-speed responses, scalability, and availability. We propose KVS to achieve these requirements, which can store messages physically in a queue structure and preserve the consistency of data in respective queues. We present a method of high-throughput access to pipeline messages on an active TCP connection that is linked to a queue on mail gateways and its backup queue in KVS. The mail gateways have a management function for each backup queue in KVS to both preserve consistency and avoid problems in the system. We evaluated the performance of the KVS we propose and a mail gateway corresponding to the KVS. The results proved both the KVS and mail gateway achieved the high throughput that was required.

Pages: 146 to 153

Copyright: Copyright (c) IARIA, 2012

Publication date: June 24, 2012

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-203-5

Location: Venice, Italy

Dates: from June 24, 2012 to June 29, 2012

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