Year
...
2021
...
Paper (most recent first)
- The SLAC Linear Coherent Laser Source (LCLS-II): The Next Generation World-leading Free Electron Laser, its capabilities, challenging Data transfer requirements and progress to meeting them. Les Cottrell, HPC-AI Advisory Council meeting, Stanford University, Feb 20, 2018
Year 2017
Talks (most recent first)
- SLAC Site Report Mark Foster, ESCC meeting Oct 3-5, 2017
- LCLS-II requirements meeting with ESnet and NERSC, presented to OCIO Managers, Les Cottrell, Mark Foster
- LCLS-II requirements meeting between ESnet, NERSC and SLAC, Les Cottrell, Mark Foster, presented at ESCC October 2017
- SLAC Network requirements, plans and data transfer testing, LCLS-II, ESnet, NERSC Requirements meeting SLAC August 3, 2017
- SLAC network activities, Les Cottrell, Presentation to potential employees, May 2017
- SiteReport-SLAC-LesCottrell.pptx SLAC Site report, ESCC May 2017
- Efficiently Transferring PetaBytes at ~ 70Gbps, presented at ESCC LBNL 5/2/2017
- SLAC Networking, a Candidate Briefing, January 2017
Year 2016
Publications and White Papers (most recent first)
- When to use rsync? Chin Fang, Les Cottrell, Ezra Kissel Mar 2021. Submitted as a SLAC Technical Note (TN) https://slac.stanford.edu/pubs/slactns/tn06/slac-tn-21-001.pdf and also to the DoE Office of Science and Technology (OSTI) https://www.osti.gov/biblio/1772472-when-use-rsync. Also see https://www.hpcwire.com/off-the-wire/doe-technical-report-when-to-use-rsync/.
Interviews
- AIP
Year 2020
Paper (most recent first)
- Data Movement Categories Chin Fang, Les Cottrell, Dec 2020. Submitted as a SLAC Technical Note (TN). Also see Data Movement Types Impact Storage Requirements, Tom Coughlin, Forbes, Jan 8, 1021 (may need a subscription).
Year 2019
Talks (most recent first)
- Long term Monitoring of the World's Networks, Les Cottrell Invited talk at the Samsung HQ in Silicon Valley, Sept 17, 2019. Also see video.
- First international computer network connection between China and US, Les Cottrell and Rongsheng Xu, Invited talk at the Symposium on 30 years of BES Physics held at the Institute of High Energy Physics, Beijing, P. R. China, from September 5 to 6, 2019. Also, see the paper submitted to the BES Symposium.
Year 2018
Papers (most recent first)
- Substituting Missing Values in End-to-End Internet Performance Measurements Using k-Nearest Neighbors, Saqib Ali, Guojan Wang, Bebo White, Roger Leslie Cottrell, 2018 IEEE 16th Intl Conf on Dependable, Autonomic and Secure Computing, 16th Intl Conf on Pervasive Intelligence and Computing, 4th Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress(DASC/PiCom/DataCom/CyberSciTech), Aug 2018.
- A Blockchain-Based Decentralized Data Storage and Access Framework for PingER, Saqib Ali, Guojun Wang, Bebo White, Roger Leslie Cottrell, 2018 IEEE 16th Intl Conf on Dependable, Autonomic and Secure Computing, 16th Intl Conf on Pervasive Intelligence and Computing, 4th Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress(DASC/PiCom/DataCom/CyberSciTech), Aug 2018. Also available at OSTI.
Talks (most recent first)
- The SLAC Linear Coherent Laser Source (LCLS-II): The Next Generation World-leading Free Electron Laser, its capabilities, challenging Data transfer requirements and progress to meeting them. Les Cottrell, HPC-AI Advisory Council meeting, Stanford University, Feb 20, 2018
Year 2017
Papers
- Internet Performance Analysis of South Asian Countries using End-to-End Internet Performance Measurements, Saqib Ali, Guojan Yang, Roger Leslie Cottrell, Sara Masood. Also available at OSTI.
Talks (most recent first
- SLAC Site Report Mark Foster, ESCC meeting Oct 3-5, 2017
- LCLS-II requirements meeting with ESnet and NERSC, presented to OCIO Managers, Les Cottrell, Mark Foster
- LCLS-II requirements meeting between ESnet, NERSC and SLAC, Les Cottrell, Mark Foster, presented at ESCC October 2017
- SLAC Network requirements, plans and data transfer testing, LCLS-II, ESnet, NERSC Requirements meeting SLAC August 3, 2017
- SLAC network activities, Les Cottrell, Presentation to potential employees, May 2017
- SiteReport-SLAC-LesCottrell.pptx SLAC Site report, ESCC May 2017
- Efficiently Transferring PetaBytes at ~ 70Gbps, presented at ESCC LBNL 5/2/2017
- SLAC Networking, a Candidate Briefing, January 2017
Year 2016
Publications and White Papers (most recent first)
- High Performance Data Transfers for Distributed Data Intensive Sciences, Fang, Cottrell, Hanushevsky, Kroeger, Yang, SLAC-TN-16-01
- Application for the emulation of PingER on android devices, Aditya Pan, Abhay Bansal, Bebo White, Roger Leslie Cottrell, 2016 6th International Conference - Cloud System and Big Data Engineering
- Analysis and clustering of PingER network data, Anwesha Mal;A. Sai Sabitha;Abhay Bansal;Bebo White;Les Cottrell, 2016 6th International Conference - Cloud System and Big Data Engineering (Confluence), Noida, 2016, pp 268-273. - doi:10.1109/CONFLUENCE.2016.7508178
- Correlation analysis on real-time tab-delimited network monitoring data, Aditya Pan; Jahin Majumdar;Abhay Bansal;Bebo White;Roger Leslie Anderton Cottrell, 2016 6th International Conference - Cloud System and Big Data Engineering (Confluence), Noida, 2016, pp 263-267. - doi:10.1109/CONFLUENCE.2016.7508178
- Application for the emulation of PingER on android devices, Pan, A. Bansal, B. White and R. Cottrell , 2016 6th International Conference - Cloud System and Big Data Engineering (Confluence), Noida, 2016, pp. 537-541. - doi:10.1109/CONFLUENCE.2016.7508178 High Performance Data Transfers for Distributed Data Intensive Sciences, Fang, Cottrell, Hanushevsky, Kroeger, Yang, SLAC-TN-16-01
- International Committee for Future Accelerators - Standing Committee on Inter-Regional Connectivity (ICFA-SCIC) 2016 Report on Network Monitoring, compiled by Shawn McKee, Marian Babik and Les Cottrell on behalf of the working group, January 2016
...
Zettar Data Transfer Node Appliance Testing, given by Les Cottrell at ESCC Sept 2015
Confluence: Easy to use app for web content, presentation/demo for Kelly Gaffney by Les Cottrell 9/17/2015
IP Address Expiration, Kent Reuber, Yee Ting Li, Les Cottrell, Presented by Les Cottrell to System Admins, May 12, 2015
Ultra-high Performance Parallel Big Data Transfer Software for Data-intensive Science, presentation by Chin Feng of Zettar at SLAC 3/4/2015 (only available to SLAC users).
Year 2014
Publications and White Papers (most recent first)
...
- African Internet Performance, Fibres and the Soccer World Cup, prepared by Les Cottrell, presented at the eGYAfrica conference, Accra, November 2010.
- China Internet Connection from the Opening Session of China 2.0: The Rise of a Digital Superpower, Beijing and Stanford, Ocober 18-19, 2010
- Monitoring the World's Networks, Harvey Newman and Les Cottrell, Slides prepared for CHEP10, in Taipei, Taiwan October 2010
- Collaborative DOE Network Monitoring, Yee-Ting Li, DoE Annual Review, LBNL, October 5-6 2010.
- African Internet Performance, Fibres and the Soccer World Cup, Les Cottrell, lecture presented at SPACE Weather School: Basic theory & hands-on experience, University of Helwan / Egypt, Sept 18 – Oct 3, 2010
- First Internet Link between SLAC (US) and IHEP (China), Les Cottrell, Xu Rong Sheng, presentation at China 2.0 The Rise of a Digital Superpower, Beijing and Stanford, Oct 18-19, 2010. Also see video re-tracing how China first connected to the Internet in 1994 and China Internet Connection.
- Syllabus of Egyptian lectures:
- Internet History and needs, Les Cottrell, lecture presented at SPACE Weather School: Basic theory & hands-on experience, University of Helwan / Egypt, Sept 18 – Oct 3, 2010
- How is the Internet
- performing, Les Cottrell, lecture presented at SPACE Weather School: Basic theory & hands-on experience, University of Helwan / Egypt, Sept 18 – Oct 3, 2010
- Cell
- Phones, Les Cottrell, lecture presented at SPACE Weather School: Basic theory & hands-on experience, University of Helwan / Egypt, Sept 18 – Oct 3, 2010
- Smart Phones and other mobile computers, Les Cottrell, lecture presented at SPACE Weather School: Basic theory & hands-on experience, University of Helwan / Egypt, Sept 18 – Oct 3, 2010
- Network Problem diagnosis for non-
- networkers, Les Cottrell, lecture presented at SPACE Weather School: Basic theory & hands-on experience, University of Helwan / Egypt, Sept 18 – Oct 3, 2010
- Network Measurements, Les Cottrell, lecture presented at SPACE Weather School: Basic theory & hands-on experience, University of Helwan / Egypt, Sept 18 – Oct 3, 2010
- Geolocation, Les Cottrell, lecture presented at SPACE Weather School: Basic theory & hands-on experience, University of Helwan / Egypt, Sept 18 – Oct 3, 2010
- Improving SLAC's AT&T cell phone coverage, Les Cottrell and Jim Healy, presented at POW meeting 5/17/10.
Year 2009
Publications and White Papers (Most recent first)
...
- 2006
- 2005
- 2004
- 2003
- 2002
- 2001
- 2000
- 1996-199999
- 1993 Review of APS computing and 1994 connecting China to the Internet
- 1965-19911995 and earlier
- There are directories at /afs/slac/www/grp/scs/net/papers and /afs/slac/www/grp/scs/net/talks which may be useful.
- Also Les Cottrell's papers and talks are publications are useful.