Blue (queue management algorithm): Difference between revisions

Revision as of 20:53, 23 June 2011

Revision as of 20:52, 4 January 2012

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'''<span style="font-variant: small-caps;">Blue</span>'''<ref>{{Citation |title=BLUE: A New Class of Active Queue Management Algorithms |author1=Wu-chang Feng |author2=Dilip D. Kandlur |author3=Debanjan Saha |author4=Kang G. Shin |year=1999 |month=April |url=http://www.eecs.umich.edu/techreports/cse/99/CSE-TR-387-99.pdf |journal=U. Michigan Computer Science Technical Report |issue=CSE–TR–387–99 |accessdate=2010-12-22}}</ref> is an [[Active Queue Management]] algorithm. Like [[Random early detection|RED]], it operates by randomly dropping or [[Explicit Congestion Notification|ECN]]-marking packets in a router's queue before it overflows. Unlike RED, however, it requires little or no tuning on the part of the network administrator.

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==Resilient Stochastic Fair Blue ([http://sites.google.com/site/cwzhangres/home/files/RSFBaResilientStochasticFairBluealgorithmagainstspoofingDDoSattacks.pdf?attredirects=0 RSFB])==

The existing Active Queue Management (AQM) algorithms, including the fairness-aimed ones, are notably vulnerable to spoofing Distributed Denial-of-Service (DDoS) attacks. A Resilient Stochastic Fair Blue (RSFB) algorithm was proposed against spoofing DDoS attacks. The basic idea behind RSFB is to record the responsive normal TCP flows and rescue their dropped packets. RSFB algorithm is effective in preserving the TCP throughput in the presence of spoofing DDoS attacks. <ref name=RSFB>Changwang Zhang, Jianping Yin, and Zhiping Cai, [http://sites.google.com/site/cwzhangres/home/files/RSFBaResilientStochasticFairBluealgorithmagainstspoofingDDoSattacks.pdf?attredirects=0 RSFB: a Resilient Stochastic Fair Blue algorithm against spoofing DDoS attacks], in International Symposium on Communication and Information Technology (ISCIT), 2009. [http://portal.acm.org/citation.cfm?id=1789954.1790341 Ref]</ref>

==Implementations==

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==External links==

* [http://www.thefengs.com/wuchang/blue/ Wu-chang Feng's page about Blue and SFB].

* [http://www.pps.jussieu.fr/~jch/software/sfb/ An implementation of SFB for the Linux kernel].