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Paper Abstract and Keywords
Presentation 2009-10-30 10:50
[Invited Talk] Challenges towards Future Internet Infrastructure
Takehisa Hayashi, Naoya Ikeda, Kazushige Arai (ALAXALA Networks) IA2009-45
Abstract (in Japanese) (See Japanese page) 
(in English) The Internet is becoming a part of people's daily lives. Therefore it is affected by the macro trends of social evolution – rapidly increasing scale and diversity. For example, number of internet subscribers are still increasing exponentially and variety of new services are being created everyday. On the other hand, as an infrastructure, the Internet is expected to be efficient, fertile, safe and secure.
To satisfy these expectations, the future Internet is facing following challenges. (1) Scalability: The Internet should be able to accommodate more traffic generated by the increasing subscribers and services. Migration to 100 gigabit Ethernet and IPv6 are examples of key technologies. (2) Dependability: Since a large number of businesses and individuals depend on the Internet, high reliability and high availability are key technologies. (3) Ecology: The internet is consuming much more energy to process the increasing traffic. Therefore, saving energy is being important not only for economic reasons but also environmental concern. (4) Flexibility: The Internet should be a platform for variety of emerging services. To accommodate these services, autonomic network configuration and easy provisioning for quality of service are examples of key technologies. (5) Security: The Internet is shared by diversity of people, organizations and societies. Security is getting more importance for safe use of the network. (6) Operability: Easing complexity of the operation is a key to maintain the Internet.
This presentation introduces recent researches pursued by ALAXALA, which focus on High Dependability and Energy Saving. Authors propose Fault Tolerant Network architecture for the high dependability. It is composed of routers and switches which have redundant subsystems for high speed fault recovery and avoiding complex redundant protocols such like STP or VRRP. These technologies provide high dependability by reducing complexity of redundant networks and increasing stability. ALAXALA challenges to save energy consumption of networks by two different approaches. First approach is reducing power consumption of each electrical circuit building routers and switches. We selected architecture, circuits and components from a viewpoint of energy saving and designed original LSIs to reduce power consumption while increasing traffic processing capacity. Another approach is saving power consumption during low network utilization time. Although network traffic varies hourly and daily, the network is usually operated at the maximum performance all the time. ALAXALA developed power reducing mechanism by controlling local clock frequency of LSIs without interrupting communication traffic processing. It enables to schedule reduced power operation during low network utilization time.
Keyword (in Japanese) (See Japanese page) 
(in English) Future Internet / Dependability / Fault Tolerant / Energy Saving / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 262, IA2009-45, pp. 5-6, Oct. 2009.
Paper # IA2009-45 
Date of Issue 2009-10-23 (IA) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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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Conference Information
Committee IA  
Conference Date 2009-10-30 - 2009-10-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Tsinghua University (Beijing) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Future Internet, etc. 
Paper Information
Registration To IA 
Conference Code 2009-10-IA 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Challenges towards Future Internet Infrastructure 
Sub Title (in English)  
Keyword(1) Future Internet  
Keyword(2) Dependability  
Keyword(3) Fault Tolerant  
Keyword(4) Energy Saving  
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1st Author's Name Takehisa Hayashi  
1st Author's Affiliation ALAXALA Networks Corp. (ALAXALA Networks)
2nd Author's Name Naoya Ikeda  
2nd Author's Affiliation ALAXALA Networks Corp. (ALAXALA Networks)
3rd Author's Name Kazushige Arai  
3rd Author's Affiliation ALAXALA Networks Corp. (ALAXALA Networks)
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Speaker Author-1 
Date Time 2009-10-30 10:50:00 
Presentation Time 45 minutes 
Registration for IA 
Paper # IA2009-45 
Volume (vol) vol.109 
Number (no) no.262 
Page pp.5-6 
#Pages
Date of Issue 2009-10-23 (IA) 


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