NDLI: Policy-Based Grooming in Optical Networks

Content Provider	Springer Nature Link
Author	Verdi, Fábio Lucia Carvalho, Cláudio Magalhães, Maurício F. Madeira, Edmundo R. M.
Copyright Year	2007
Abstract	This work presents a discussion about policies and architecture to aggregate Internet Protocol/Multiprotocol Label Switching (IP/MPLS) traffics within lightpaths. The scenario is that of IP/MPLS client networks over an optical network. It is well known that aggregating lower traffic flows (e.g., packet-based LSPs—Label Switched Path) within higher traffic flows (e.g., lambda-based LSPs) is considered an effective way to maximize the use of the optical network resources. In this work, the policies are divided into two groups. The first one, which solely considers the class of the flow (High Priority—HP or Low Priority—LP), consists of simple policies meant to aggregate packet-based LSPs within lightpaths. In this group, the policies we have defined intend to reduce the optical network overhead to remove and reroute LP LSPs. The second group presents more sophisticated policies taking into account the possibility of having to deal with further transport faults. In this case, the grooming is better planned and the defined policies tend to reduce the negative impact when a failure is detected in the optical transport network. Our approach has been implemented to validate the policies and the results for each group are showed and discussed.
Starting Page	325
Ending Page	349
Page Count	25
File Format	PDF
ISSN	10647570
Journal	Journal of Network and Systems Management
Volume Number	16
Issue Number	4
e-ISSN	15737705
Language	English
Publisher	Springer US
Publisher Date	2007-08-18
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Traffic grooming Policy-based network management and optical network management Operations Research/Decision Theory Information Systems and Communication Service Computer Communication Networks Communications Engineering, Networks Computer Systems Organization and Communication Networks
Content Type	Text
Resource Type	Article
Subject	Strategy and Management Computer Networks and Communications Information Systems Hardware and Architecture

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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