NDLI: Towards Optimal Disaster Recovery in Backbone Networks

Content Provider	IEEE Xplore Digital Library
Author	Kien Nguyen Quang Tran Minh Yamada, S.
Copyright Year	2013
Description	Author affiliation: Nat. Inst. of Inf., Tokyo, Japan (Kien Nguyen; Quang Tran Minh; Yamada, S.)
Abstract	Fast recovering backbone networks from failures caused by unexpected disasters is critical to enhance the Internet resilience. The major challenge is fast switchover traffic from a faulty path to an alternative one. In this paper, we present an approach toward achieving a zero switchover time (i.e., optimal) by using two emerging technologies: Multipath TCP (MPTCP) and Software-Defined Networking (SDN). The conceptual idea is keeping multiple concurrent paths in an end-to-end communication, which is continuously alive unless all the paths get failure. Besides that, when a disaster occurs, traffic engineering is adopted to quickly balance the traffic on available paths. In order to establishes the concurrent paths, MPTCP divides an application's byte stream into multiple TCP subflows, each of which is forwarded in an end-to-end route. The routes are normally determined by IP routing protocols, such as OSPF or BGP, which have two disadvantages. The first one is the protocols always take long time to reestablish new routes in disasters (i.e., long convergence time). The second one is they are originally designed without traffic engineering. On the other hand, SDN enables the use of central controllers with global view of dynamic network state. In addition, the controllers can remotely controls both direction and capacity of traffic flows in many flexible ways (i.e., using OpenFlow). Therefore, SDN potentially solves the disadvantages of IP routing protocols.
Starting Page	826
Ending Page	827
File Size	1600073
Page Count	2
File Format	PDF
ISBN	9780769549866
ISSN	07303157
DOI	10.1109/COMPSAC.2013.138
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-22
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing protocols Switches Internet IP networks Resilience Convergence
Content Type	Text
Resource Type	Article
Subject	Computer Science Applications Software

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2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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