Difference between revisions of "Pen"

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(New version)
(Added Debian link)
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|Computer languages=C
 
|Computer languages=C
 
|Documentation note=User tutorial available from http://siag.nu/pen/howto.shtml
 
|Documentation note=User tutorial available from http://siag.nu/pen/howto.shtml
 +
|Accepts cryptocurrency donations=No
 
|Related projects=HAproxy,Balance
 
|Related projects=HAproxy,Balance
 
|Keywords=TCP,HTTP,server,SMTP,net apps,protocols,load balancing,pen
 
|Keywords=TCP,HTTP,server,SMTP,net apps,protocols,load balancing,pen
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|Version status=stable
 
|Version status=stable
 
|Version download=http://siag.nu/pub/pen/pen-0.34.1.tar.gz
 
|Version download=http://siag.nu/pub/pen/pen-0.34.1.tar.gz
|Last review by=Alejandroindependiente
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|Last review by=Bendikker
|Last review date=2017/03/03
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|Last review date=2018/02/22
|Submitted by=Database conversion
 
 
|Submitted date=2011-04-01
 
|Submitted date=2011-04-01
|Status=
 
 
|Is GNU=No
 
|Is GNU=No
|License verified date=2002-01-15
 
 
}}
 
}}
 
{{Project license
 
{{Project license
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|Role=Maintainer
 
|Role=Maintainer
 
|Email=ulric@siag.nu
 
|Email=ulric@siag.nu
|Resource URL=
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}}
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{{Resource
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|Resource audience=Debian (Ref)
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|Resource URL=https://tracker.debian.org/pkg/pen
 
}}
 
}}
 
{{Resource
 
{{Resource

Revision as of 13:12, 22 February 2018


[edit]

Pen

http://siag.nu/pen/
Load balancer for TCP protocols

Pen is a load balancer for "simple" TCP-based protocols such as HTTP or SMTP. It allows several servers to appear as one to the outside. It automatically detects servers that are down and distributes clients among the available server for high availability and scalable performance. The load balancing algorithm tracks clients and tries to send them back to the server they visited the last time. The client table has slots (default 2048, settable through command-line arguments). When the table is full, the least recently used one is discarded to make room for the new one. This is superior to a simple round-robin algorithm, which sends a client that connects repeatedly to different servers. This breaks applications including most modern web applications) that maintain state between server connections.





Licensing

License

Verified by

Verified on

Notes

Verified by

Janet Casey

Verified on

15 January 2002




Leaders and contributors

Contact(s)Role
Ulric Eriksson Maintainer


Resources and communication

AudienceResource typeURI
Debian (Ref)https://tracker.debian.org/pkg/pen
Bug Tracking,Developer,SupportE-mailmailto:pen@siag.nu
Python (Ref)https://pypi.org/project/pen
Ruby (Ref)https://rubygems.org/gems/pen


Software prerequisites




Entry










"Debian (Ref)" is not in the list (General, Help, Bug Tracking, Support, Developer) of allowed values for the "Resource audience" property.












Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.