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Topic: Xerox XNS


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In the News (Mon 28 Dec 09)

  
  Communications Programming Concepts - Chapter 12. Xerox Network Systems
Xerox Network Systems (XNS) is the network architecture developed by the Xerox Corporation in the 1970s.
XNS protocols establish a means of transport for data across an interconnection of network or Internet.
The current implementation of XNS automatically forwards all incoming XNS Internet packets to the appropriate router or network, as long as the packet is not destined for the local host and the destination network information is maintained in the routing table.
www.ncsa.uiuc.edu /UserInfo/Resources/Hardware/IBMp690/IBM/usr/share/man/info/en_US/a_doc_lib/aixprggd/progcomc/ch12_xns.htm   (1303 words)

  
  Xerox network services - Wikipedia, the free encyclopedia
Xerox network services (XNS) is a protocol suite which provided routing and packet delivery developed by Xerox at Xerox PARC in the later 1970s and early 1980s.
During the 1980s the XNS system was used by 3Com and (with modifications) a number of other commercial systems which became more common than XNS itself, including Ungermann-Bass Net/One, Novell NetWare, and Banyan VINES.
The XNS specifications were subsequently contributed by XNSORG to OASIS, where they became part of the XRI (Extensible Resource Identifier) and XDI (XRI Data Interchange) Technical Committees.
en.wikipedia.org /wiki/XNS   (508 words)

  
 xerox network system - BlueRider.com
XNS has strong parellels to TCP/IP in that the network layer, IDP, is roughly equivalent to IP.
XNS denotes not only the protocol stack, but also an architecture of standard programming interfaces, conventions, and service functions for authentication, directory, filing, e-mail, and remote procedure call.
XNS was desigined to be used across a variety of communication media, processors, and office applications.
xerox_network_system.bluerider.com /wordsearch/xerox_network_system   (247 words)

  
 XNS protocols - Xerox Network Systems - IDP | RIP | PEP | SPP
XNS generally limits the IDP packets to a maximum size of 576 bytes, excluding the data link header.
XNS uses the Routing Information Protocol (RIP) to maintain a database of network hosts and exchange information about the topology of the network.
XNS generally uses the Echo protocol to demonstrate the existence and accessibility of another host on the network, while using the Error protocol to signal routing errors.
www.protocols.com /pbook/xns.htm   (709 words)

  
 What is XNS
The Xerox Network Systems (XNS) protocols were created by Xerox Corporation in the late 1970s and early 1980s.
Although the XNS design objectives are the same as those for the OSI reference model, the XNS concept of a protocol hierarchy is somewhat different from that provided by the OSI reference model, as Figure 34-1 illustrates.
XNS also defines Level 4 protocols, which are application protocols, but because they have little to do with actual communication functions, the XNS specification does not include any pertinent definitions.
www.pulsewan.com /data101/xns_basics.htm   (1191 words)

  
 [No title]   (Site not responding. Last check: )
Xerox envisioned a 3-level name system was all that was required for a global name system.
Xerox had made the twin mistakes of confusing names, which are meaningless words, with acronyms for what we did and "mixed things up" by placing locations in the names.
The early Xerox PhD's worked very hard to create an object commit system, to implement a transaction-transfer protocol so that messages could not be lost during forwarding (however, duplicates were possible in rare crash cases), and to put duplicate elimination machinery in place at the destination.
www.ece.ubc.ca /~gillies/note4.html   (3234 words)

  
 Glossary Section X Call:727-398-5252 - For your BEST source of data communication equipment
A protocol suite developed by Xerox Corporation to run on LAN and WAN networks, where the LANs are typically Ethernet.
XNS denotes not only the protocol stack, but also an architecture of standard programming interfaces, conventions, and service functions for authentication, directory, filing, e-mail, and remote procedure call.
XNS is also the name of Xerox's implementation.
www.bestdatasource.com /Glossary/networking_X.htm   (288 words)

  
 XNS Xerox Network Services multilayer protocol system   (Site not responding. Last check: )
A multilayer protocol system developed by Xerox and adopted, at least in part, by Novell and other vendors.
XNS is one of the many distributed-file-system protocols that allow network stations to use other computers' files and peripherals as if they were local.
A few months ago we were approached by a company wanting us to update their existing website with a fresher look and make it more optimised towards search engines to increase sales.
www.ssiltd.co.uk /glossary/details.asp?item=624   (200 words)

  
 Xerox network services : XNS
Xerox network services (XNS) is a protocol stack which provided routing and packet delivery developed by Xerox at Xerox PARC in the early 1980s.
It has strong parellels to TCP/IP in that the Network layer IDP is roughly equivalent to IP.
PEP is also in the Transport layer except connection-oriented[?] and is similar to TCP.
www.fastload.org /xn/XNS.html   (146 words)

  
 Xerox - Dicionário internet
After 1968 Xerox bought out SDS and renamed the SDS machines "Xerox Data Systems" (XDS).
(XNS) A proprietary network architecture developed by the Xerox Office Systems Division of Xerox corporation at Xerox PARC in the late 1970s/early 1980s to run on LAN (Ethernet) and WAN networks.
Sadly, the prophets at PARC were without honour in their own company, so much so that it became a standard joke to describe PARC as a place that specialised in developing brilliant ideas for everyone else.
www.hostgold.com.br /hospedagem-sites/o_que_e/Xerox   (724 words)

  
 Xerox Network Systems
Although the XNS design objectives are the same as the OSI reference model, the XNS concept of a protocol hierarchy is somewhat different from that provided by the OSI reference model.
Like many other protocol suites, XNS leaves media access an open issue, implicitly allowing any such protocol to host the transport of XNS packets over a physical medium.
These are application protocols but, because they have little to do with actual communication functions, the XNS specification does not include any pertinent definitions.
www.ba-stuttgart.de /~schulte/htme/55180.htm   (1276 words)

  
 TCP_IP Tutorial - softlookup.com
XNS is popular because Xerox released the code to the public domain, hence making it a cost-effective network system.
In most cases, XNS protocols were designed to work with Xerox's Ethernet, as well.
XNS is the Xerox Network System, a networking design that Xerox released to the public domain.
www.softlookup.com /tutorial/tcp_ip/ch08.asp   (4429 words)

  
 ' + pPage + '
Xerox's home-grown Ethernet lacked sophistication and relied upon client protocols to determine length of data fields.
Xerox, the owner of the technology and keeper of its "standards," assigned a two-octet type code to identify client protocols, such as Xerox's XNS, Novell's IPX, IP, and DECNet.
Xerox, the originator of Ethernet, retained the rights to the technology and, consequently, established and published its standards.
docs.rinet.ru /NeHi/ch03/ch03.htm   (6618 words)

  
 The 'Security Digest' Archives (TM) : TCP-IP Distribution List for April 1983   (Site not responding. Last check: )
The Xerox NS family of protocols are a re-engineered version of the Pup protocols.
Xerox has a big investment in NS, and had to make product plans based on it long before TCP/IP had solidified to its present form.
Though the protocol specifications were published only a little over a year ago, NS has been around for several years, and its predecessor, Pup, has been in active use since 1975.
securitydigest.org /tcp-ip/archive/1983/04   (5915 words)

  
 AppleTalk - Encyclopedia.WorldSearch   (Site not responding. Last check: )
The design fairly rigorously followed the OSI model of protocol layering.
Unlike most other early LAN systems, AppleTalk was not built on the archetypal Xerox XNS system, as the intended target was not Ethernet and did not have 48-bit addresses to route.
Nevertheless many portions of the AppleTalk system have direct analogs in XNS.
encyclopedia.worldsearch.com /appletalk.htm   (2136 words)

  
 DigiBarn: Xerox network at Pathfinder Marine
This is the last known functional Xerox network in the world, including 6085s, 8090 servers, 7650 scanners and 4045 printers.
Such as the 820-II with Diablo printer, Kurzweil reading machine, 860, Xerox 80 and 300 removable disk drives, Server Routers etc. All is in working condition and is being exercised whenever we have the time.
regarding "This is the last known functional Xerox network in the world, including 6085s, 8090 servers, 7650 scanners and 4045 printers." Within the past month, I have been overseeing the takedown of our XNS (Xerox Network System) LAN in Webster, NY.
www.digibarn.com /collections/systems/xerox6085/working   (861 words)

  
 XNS - OneLook Dictionary Search
XNS : Stammtisch Beau Fleuve Acronyms [home, info]
XNS : Computer Telephony & Electronics Dictionary and Glossary [home, info]
XNS : Dictionary of Computing and Digital Media [home, info]
www.onelook.com /cgi-bin/cgiwrap/bware/dofind.cgi?word=XNS   (140 words)

  
 Xerox, Novell, and History
The Xerox Network Specification described a series of protocols designed for general purpose internetworking, with a strong emphasis on the use of local area networks.
There were two primary networking protocols involved: the Internet Datagram Protocol (IDP), which provided a connectionless and unreliable transport of datagrams from one host to another, and the Sequenced Packet Protocol (SPP), which was a modified form of IDP that was connection-based and reliable.
The datagrams of an XNS network were individually addressed.
georgemarin.tripod.com /nag2/x11684.html   (334 words)

  
 Novell NetWare - free-definition   (Site not responding. Last check: )
NetWare is a network operating system and the set of network protocols it uses to talk to client machines on the network.
The NetWare operating system is a proprietary system using cooperative multitasking to run various services on a PC, and the network protocols were based on the archetypical Xerox XNS stack.
Unlike these products, and XNS itself, NetWare established a strong presence in the market in the early 1990s, and managed to barely survive the onslaught of Microsoft's Windows NT which killed off the other players.
www.free-definition.com /Novell-NetWare.html   (564 words)

  
 PARC Milestones
SDL is a Xerox and Spectra-Physics joint venture formed to exploit PARC's gallium arsenide-based solid-state laser research by manufacturing state-of-the-art laser diodes.
The Xerox 1075 copier/duplicator, which uses the Ethernet principal to facilitate varying the document handling and output sorting configurations, is released.
Xerox's 10 Series Marathon copiers are the first to use numerous built-in microcomputers with a low-bandwidth Ethernet as the communications interface
www.parc.com /about/history/default.html   (6104 words)

  
 Xerox IDP: Internet Datagram Protocol Overview
The connect subroutine can also be used to fix the destination for future packets, in which case the recv or read subroutine and the send or write subroutine can be used.
Xerox protocols (XNS protocol suite) are built vertically on top of IDP.
Thus, IDP address formats are identical to those used by the Sequenced Packet Protocol (SPP).
www.javvin.com /protocolIDP.html   (484 words)

  
 Section 16c: Xerox PARC contributions
In fact, with Xerox' STAR system, 1981, users were able to access file servers and printers around the world through simple point-and-click actions, a functionality that has yet to be matched by today's computing systems.
This work is enabling Xerox printing products such as DocuPrint to drive different Xerox printers from a common software base.
Multi-beam Lasers - PARC was the first organization in the world to create a multi-beam laser diode and Xerox is, to date, the only printing company to have this capability.
design.osu.edu /carlson/history/lesson16c.html   (1643 words)

  
 XEROX ADDS TCP-XNS GATEWAY, IGES, 80386 SUPPORT - Computer Business Review
Xerox Corp yesterday announced the marriage of its Xerox Network Systems with the standard Unix networking facility to create Xerox TCP-XNS Gateway Service, offering mail, file transfer, printing and terminal emulation operations between XNS and environments using TCP/IP.
A Xerox External Mail Gateway-X400 enables users on XNS networks to exchange electronic mail with public and private X400 systems.
The company also announced an IGES 4.0 Graphics Conversion capability for new Xerox engineering graphics applications, enabling them to import and export graphics data from other programs.
www.cbronline.com /article_cg.asp?guid=3F536C7C-8770-46D6-9307-D737C995589D   (179 words)

  
 Citations: Internet Transport Protocols (ResearchIndex)
A somewhat updated version of this protocol was adopted for the Xerox Network Systems (XNS) architecture, with the name Routing Information Protocol.
Berkeley s routed is largely the same as the Routing Information Protocol, with XNS addresses replaced by a more general address format capable of handling IP and other types of address, and with routing updates limited to one every 30 seconds.
VIP has the following features: ffl VIP is scalable to the scale of the network and the total number of mobile hosts, ffl VIP is free from routing loops with all packets, except for the first packet, traversing the optimum route, and 1 In this paper, a network refers to the overall network,....
citeseer.ist.psu.edu /context/513870/0   (1036 words)

  
 [No title]
Для получения изображения методом в Xerox DocuColor-12 используется технология электрофотографии, или ксерографии.
Другая новинка конструкции Xerox DocuColor-12, это техлология переноса изображения с использованием промежуточной ленты IBT.
Другая особенность Xerox DocuColor-12 - автоматическая безлотковая двухсторонняя цифровая печать (дуплекс) при печати из лотков (то есть на бумаге плотностью до 128 г/м2).
printout.xns.ru   (142 words)

  
 [No title]
[XEROX] 32861 805D - - Evans & Sutherland [XEROX] 32864 8060 - - Little Machines [XEROX] 32866 8062 - - Counterpoint Computers [XEROX] 32869 8065 - - Univ. of Mass.
@ Amherst [XEROX] 32870 8066 - - Univ. of Mass.
[XEROX] 8180 HIPPI-FP encapsulation [XEROX] 8181 STP, HIPPI-ST [XEROX] 8182 Reserved for HIPPI-6400 [XEROX] 8183 Reserved for HIPPI-6400 [XEROX] 8184-818C Silicon Graphics prop.
www.iana.org /assignments/ethernet-numbers   (1719 words)

  
 XNS définition XNS
XNS définition XNS, XNS définiton de XNS : Abréviation pour Xerox Network System.
XNS définition XNS, Que signifie XNS dans le contexte informatique et du multimédia ?
XNS définition XNS, XNS définition XNS, XNS, XNS définition XNS, XMT définition XMT, XNS définition XNS, XMIT
dictionnaire.phpmyvisites.net /definition-XNS-9276.htm   (326 words)

  
 Xerox
Nearby terms: Xerox Data Systems Model 530 « Xerox Data Systems Model 940 « XEROX Network Services « Xerox Network System » XEROX PARC » Xerox Star » XFree86 Project, Inc.
Nearby terms: Xerox Data Systems Model 940 « XEROX Network Services « Xerox Network System « XEROX PARC » Xerox Star » XFree86 Project, Inc. » Xfun
Nearby terms: XEROX Network Services « Xerox Network System « XEROX PARC « Xerox Star » XFree86 Project, Inc. » Xfun » XGA
www.linuxguruz.com /foldoc/foldoc.php?Xerox   (724 words)

  
 XNS - Xerox Network Services
XNS is a acronym that can contains many meanings which are listed below.
There may be many popular meanings for XNS with the most popular definition being that of Xerox Network Services
If you have more information or know of another definition for XNS, please let us know so that we can review it and add that information to our database.
www.auditmypc.com /acronym/XNS.asp   (168 words)

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