NDLI: A case study of ospf behavior in a large enterprise network.

Please wait, while we are loading the content...

A case study of ospf behavior in a large enterprise network.

Content Provider	CiteSeerX
Author	Sheikh, Amen Isett, Chris Greenberg, Albert Roughen, Matthew Gottlieb, Joel
Abstract	deployed in IP networks to manage intra-domain routing. OSPF is a link-state protoeol, in which touters reliably flood "Link State Advertisements " (LSAs), enabling each to build a consistent, global view of the routing topology. Reliable performanee hinges on routing stability, yet the behavior of large operational OSPF networks is not well understood. In this paper, we provide a case study on the eharacteristics and dynamics of LSA traffic for a large enterprise network. This network consists of several hundred routers, distributed in tens of OSPF areas, and couneeted by LANs and private lines. For this network, we focus on LSA traffie and ana-lyze: (a) the class of LSAs triggered by OSPF's soft-state re-fresh, (b) the class of LSAs triggered by events that change the status of the network, and (c) a class of"duplieate " LSAs received due to redundancy in OSPF's reliable LSA flooding mechanism. We derive the baseline rate of refresh-triggered LSAs automatically from network eonfiguration informa-tion. We also investigate finer time scale statistical proper-ties of this traffic., including burstiness, periodicity, and syn-chronization. We discuss root causes of event-triggered and duplicate LSA traffic., as well as steps identified to reduce this traffe (e.g., localizing a failing router or changing the OSPF eonfiguration).
File Format	PDF
Access Restriction	Open
Subject Keyword	Large Enterprise Network Case Study Ospf Behavior Ip Network Reliable Performanee Hinge Failing Router Global View Duplicate Lsa Traffic Ospf Area Intra-domain Routing Link-state Protoeol Refresh-triggered Lsas Network Eonfiguration Informa-tion Baseline Rate Lsa Traffie Lsa Traffic Soft-state Re-fresh Duplieate Quot Link State Advertisement Quot Reliable Lsa Flooding Mechanism Root Cause Time Scale Statistical Proper-ties Large Operational Ospf Network Ospf Eonfiguration Private Line
Content Type	Text

Central Library (ISO-9001:2015 Certified)
Indian Institute of Technology Kharagpur
Kharagpur, West Bengal, India | PIN - 721302

See location in the Map
03222 282435
Mail: support@ndl.gov.in

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in