NDLI: Network performance measurement: Accuracy in highspeed provider networks

Content Provider	IEEE Xplore Digital Library
Author	Jones, T.
Copyright Year	2011
Description	Author affiliation: Nokia Siemens Networks, Huntingdon, United Kingdom (Jones, T.)
Abstract	The network industry is becoming more aware of accountability, typically measured in performance terms against service level agreements and backed with service level guarantees and financial penalties. In the past, these SLAs have typically only been used for low speed customer facing services where accuracy to sub millisecond has not been a requirement. However, network service providers are now looking to measure network performance within their core and metro networks where the typical delay can be this small and where accuracy becomes critical. Furthermore, as the networks carry more unidirectional traffic, such as video on demand, the delay may only be meaningful if it is also measured in one direction. This paper examines the requirements for measuring very low delay using active probes by looking at time synchronisation between probes and the time-stamping mechanism for the measurement packets. Test results from three proprietary measurement solutions are then compared and their ability to measure one-way delay investigated.
Starting Page	489
Ending Page	493
File Size	713789
Page Count	5
File Format	PDF
ISBN	9781457709968
e-ISBN	9789532330595
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-23
Publisher Place	Croatia
Access Restriction	Subscribed
Rights Holder	MIPRO
Subject Keyword	Accuracy Synchronization Probes Delay Testing
Content Type	Text
Resource Type	Article

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

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