Cluster:LowLatency: Difference between revisions

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Revision as of 15:41, 28 June 2005

Low Latency TCP/IP for Linux notes

Comparisons & Instrumentation

- Web100
  - http://www.psc.edu/~mathis/papers/mathis03web100.ps
  - http://www.web100.org/

- Comparison of time between layers in network stack. Patch only for 2.6.9.
  - http://user.informatik.uni-goettingen.de/~kperf/
  - http://user.informatik.uni-goettingen.de/~kperf/gaug-ifi-tb-2005-03.pdf

- Comparing while varying link delay times
  - http://developer.osdl.org/shemminger/LK2004_TCP.pdf
  - http://developer.osdl.org/shemminger/LWE2005_TCP.pdf
  - Reno - Linux 2.4
  - Westwood - Wireless
  - Vegas
  - Binary Increase Congestion Control (BIC) - Default for Linux 2.6

- Lots of discussion
  - http://www.ggf.org/Public_Comment_Docs/Documents/May-2005/draft-ggf-dtrg-survey-1.pdf
  - HS-TCP
  - Scalable TCP
  - FAST TCP
  - BIC & CUBIC
  - Westwood
  - .....

Misc
- Dynamic Right Sizing (DRS)
- Window Scaling RFC
  - http://www.faqs.org/rfcs/rfc1323.html
- Modifying buffer sizes manually
  - http://proj.sunet.se/E2E/tcptune.html
- Kernel options
  - http://www.lam-mpi.org/MailArchives/lam/2005/01/9529.php

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