Paper Abstract and Keywords |
Presentation |
2013-03-08 10:00
Predictive Discarding of Registration for Fast Recovery of IMS-based Services Takeshi Usui (NICT), Kohei Sugiyama, Atsushi Tagami (KDDI Lab), Nozomu Nishinaga (NICT) NS2012-277 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This paper proposes a method for fast reovery of IP Multimedia Subsystem (IMS) –based services, when the network connectivity after the network faults and disaster is recovered. IMS has been standardized for service stratum of fixed and mobile network. Because a large amount of user terminals (UTs) are assumed to use the IMS-based services, the scalability of the IMS nodes which treat signaling messages becomes an important issue. To use the IMS-based services, UTs need to send Register messages defined in Session Initiation Protocol to the IMS nodes. The network recovery scenario leads the IMS nodes heavily-loaded, because a large amount of Register messages arrive at the IMS nodes. They cannot quickly return the response, and UTs retransmits the Register messages. These messages encourage the load in the IMS nodes and delay the registration process of more UTs, because the IMS nodes redundantly process them. This paper proposes a predictive discarding for the fast recovery of IMS-based service. The proposed method discards the Register messages which the response will not arrive within the retransmission timer. The proposed method measures the round-trip time of Register messages and decides whether Register messages are discarded or not from that round-trip time. This paper shows the validness of the predicitve discarding, compared to the exisinng works tackling the scalability issues of the IMS nodes. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
SIP / IMS / Service recovery / Disaster / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 112, no. 463, NS2012-277, pp. 651-656, March 2013. |
Paper # |
NS2012-277 |
Date of Issue |
2013-02-28 (NS) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
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NS2012-277 |
Conference Information |
Committee |
NS IN |
Conference Date |
2013-03-07 - 2013-03-08 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Okinawa Zanpamisaki Royal Hotel |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
General |
Paper Information |
Registration To |
NS |
Conference Code |
2013-03-NS-IN |
Language |
English (Japanese title is available) |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Predictive Discarding of Registration for Fast Recovery of IMS-based Services |
Sub Title (in English) |
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SIP |
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IMS |
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Service recovery |
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Disaster |
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1st Author's Name |
Takeshi Usui |
1st Author's Affiliation |
National Institution Communication Technology (NICT) |
2nd Author's Name |
Kohei Sugiyama |
2nd Author's Affiliation |
KDDI Laboratory (KDDI Lab) |
3rd Author's Name |
Atsushi Tagami |
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KDDI Laboratory (KDDI Lab) |
4th Author's Name |
Nozomu Nishinaga |
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National Institution Communication Technology (NICT) |
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Speaker |
Author-1 |
Date Time |
2013-03-08 10:00:00 |
Presentation Time |
20 minutes |
Registration for |
NS |
Paper # |
NS2012-277 |
Volume (vol) |
vol.112 |
Number (no) |
no.463 |
Page |
pp.651-656 |
#Pages |
6 |
Date of Issue |
2013-02-28 (NS) |
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