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Xitami is a
Web Web most often refers to: * Spider web, a silken structure created by the animal * World Wide Web or the Web, an Internet-based hypertext system Web, WEB, or the Web may also refer to: Computing * WEB, a literate programming system created by ...
and
FTP The File Transfer Protocol (FTP) is a standard communication protocol used for the transfer of computer files from a server to a client on a computer network. FTP is built on a client–server model architecture using separate control and data ...
server, originally developed by iMatix Corporation as a free,
open-source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...
product from 1996 to 2000. It ran as a single process with a small footprint. It was not as fast as the fastest servers but scaled well. It supported several web application protocols and was very portable. It also had a web interface to configure the web/FTP server. In 2009, iMatix launched a new version of Xitami, called X5 (Xitami/5).


History

iMatix started the original Xitami server in 1996 as a demonstration of its "SMT" multithreading technology for building protocol servers. The name was chosen at the last minute when the developers realized that their original choice ("Cosmos") had already been taken by another web server that no longer exists. "Xitami" is "iMatix" spelled backwards. Xitami was featured in an April 1997 article in Dr. Dobb's Journal. The web server attracted people looking for a fast but simple web/FTP server, mainly on
Microsoft Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...
. Xitami was designed to be portable, and was ported to
Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...
,
Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which ...
and other
Unices A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, although not necessarily conforming to or being certified to any version of the Single UNIX Specification. A Unix-li ...
,
OpenVMS OpenVMS, often referred to as just VMS, is a multi-user, multiprocessing and virtual memory-based operating system. It is designed to support time-sharing, batch processing, transaction processing and workstation applications. Customers using Ope ...
,
BeOS BeOS is an operating system for personal computers first developed by Be Inc. in 1990. It was first written to run on BeBox hardware. BeOS was positioned as a multimedia platform that could be used by a substantial population of desktop users a ...
, and
OS/2 OS/2 (Operating System/2) is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM software designer Ed Iacobucci. As a result of a feud between the two companies over how to position OS/2 ...
. All non-portable functionality was encapsulated in a library layer called SFL (the "standard function library"). SFL was a free and open source project and was used fairly widely in other such projects. In 1999, the Apache web server adopted a similar approach to portability for Apache2, building the
Apache Portable Runtime The Apache Portable Runtime (APR) is a supporting library for the Apache web server. It provides a set of APIs that map to the underlying operating system (OS). Where the OS does not support a particular function, APR will provide an emulation. ...
(APR). The Xitami team continued to add features until mid-2000 when development of the server stopped except for security updates. In 2008 multiple
printf The printf format string is a control parameter used by a class of functions in the input/output libraries of C and many other programming languages. The string is written in a simple template language: characters are usually copied literal ...
vulnerabilities were reported in the final release of Xitami/2.5.


X5

In January 2009 iMatix announced the start of a new Xitami project, version 5, called ''X5''. This uses the latest generation of iMatix's multithreading technology (''Base2''), making Xitami scalable to multiple cores, while remaining small, and simple. iMatix has stated that it is "designed to handle thousands of connections without difficulty" which makes it ready for
long polling Long may refer to: Measurement * Long, characteristic of something of great duration * Long, characteristic of something of great length * Longitude (abbreviation: long.), a geographic coordinate * Longa (music), note value in early music mensur ...
, in which client connections remain open for extended durations. Windows binaries for X5 were released in February 2009 and X5 was used for the first time to run the iMati
Live Zyre
website. X5 shares the same technical framework as iMatix'
OpenAMQ
message service. X5 is written in ANSI
C99 C99 (previously known as C9X) is an informal name for ISO/IEC 9899:1999, a past version of the C programming language standard. It extends the previous version ( C90) with new features for the language and the standard library, and helps impl ...
, using a meta-programming approach called "Model Oriented Programming". X5 was presented at
FOSDEM Free and Open source Software Developers' European Meeting (FOSDEM) is a non-commercial, volunteer-organized European event centered on free and open-source software development. It is aimed at developers and anyone interested in the free and ...
2009 as consisting of 3,457 lines of meta-meta code.FOSDEM 2009 presentation
X5 uses APR in place of SFL, and has been run on
Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...
,
Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which ...
,
AIX Aix or AIX may refer to: Computing * AIX, a line of IBM computer operating systems *An Alternate Index, for a Virtual Storage Access Method Key Sequenced Data Set *Athens Internet Exchange, a European Internet exchange point Places Belgium ...
,
Solaris Solaris may refer to: Arts and entertainment Literature, television and film * ''Solaris'' (novel), a 1961 science fiction novel by Stanisław Lem ** ''Solaris'' (1968 film), directed by Boris Nirenburg ** ''Solaris'' (1972 film), directed by ...
, and
OpenVMS OpenVMS, often referred to as just VMS, is a multi-user, multiprocessing and virtual memory-based operating system. It is designed to support time-sharing, batch processing, transaction processing and workstation applications. Customers using Ope ...
.


See also

*
Comparison of web servers Web server software allows computers to act as web servers. The first web servers supported only static files, such as HTML (and images), but now they commonly allow embedding of server side applications. Some web application frameworks include s ...
*
ØMQ ZeroMQ (also spelled ØMQ, 0MQ or ZMQ) is an asynchronous messaging library, aimed at use in distributed or concurrent applications. It provides a message queue, but unlike message-oriented middleware, a ZeroMQ system can run without a dedicated ...


References


External links

*
Xitami legacy web siteServerWatch review of XitamiImplications of RestMS protocol on X5 design
{{Web server software Free web server software Software using the BSD license