About: IBM VNET

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VNET is an international computer networking system deployed in the mid-1970s and still in current, but highly diminished use. It was developed inside IBM and provided the main email and file-transfer backbone for the company throughout the 1980s and 1990s. Through it, a number of protocols were developed to deliver email amongst time sharing computers over alternative transmission systems. The first widely disruptive computer worm, "Christmas Tree EXEC" in December 1987, originated on BITNET and spread to this network.

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rdf:type	yago:WikicatWideAreaNetworks yago:Artifact100021939 yago:ComputerNetwork103085333 yago:Instrumentality103575240 yago:Network103820728 yago:Object100002684 yago:PhysicalEntity100001930 yago:System104377057 yago:Whole100003553 yago:WideAreaNetwork104583477
rdfs:label	IBM VNET (en)
rdfs:comment	VNET is an international computer networking system deployed in the mid-1970s and still in current, but highly diminished use. It was developed inside IBM and provided the main email and file-transfer backbone for the company throughout the 1980s and 1990s. Through it, a number of protocols were developed to deliver email amongst time sharing computers over alternative transmission systems. The first widely disruptive computer worm, "Christmas Tree EXEC" in December 1987, originated on BITNET and spread to this network. (en)
dcterms:subject	IBM Wide area networks VM (operating system)
Wikipage page ID	665120 (xsd:integer)
Wikipage revision ID	1010978877 (xsd:integer)
Link from a Wikipage to another Wikipage	Poughkeepsie, New York VM/370 Internet RSCS MVS Computer worm Email IBM Wide area networks Binary Synchronous Communications Tivoli Software BITNET VM (operating system) IBM Operating system Christmas Tree EXEC Virtual machine Dial-up internet access Computer networking system dbr:CP/67
Link from a Wikipage to an external page	https://web.archive.org/web/20140112072700/http:/whoinventedinternet.com/invention-of-the-internet/
sameAs	IBM VNET IBM VNET IBM VNET IBM VNET
dbp:wikiPageUsesTemplate	dbt:Compu-network-stub
has abstract	VNET is an international computer networking system deployed in the mid-1970s and still in current, but highly diminished use. It was developed inside IBM and provided the main email and file-transfer backbone for the company throughout the 1980s and 1990s. Through it, a number of protocols were developed to deliver email amongst time sharing computers over alternative transmission systems. VNET was first deployed as a private host to host network among and VM/370 mainframes beginning before 1975. It was based on RSCS, a virtual machine–based communications program and an inter machine protocol developed in IBM's Advanced Systems Development Division's Remote Service System (RSS) prototype which produced some of the technology in the IBM Tivoli product. RSCS used the Binary Synchronous Communications (BSC) protocol, not SNA/SDLC, to support file to file transfer among virtual machine users. The first several nodes included Scientific Centers and Poughkeepsie, New York lab sites. RSCS-compatible communications code was subsequently developed for MVT/HASP, MVT/ASP and MVS mainframe operating systems. By September 1979, the network had grown to include 285 mainframe nodes in Europe, Asia, and North America. Unlike the Internet, VNET switched files among mainframes using a store and forward technique. Many of the early connections operated over dial-up phone lines at speeds of 1200 to 2400 bits per second. The addition of a 19.2 kbit/s trans-Atlantic satellite circuit in late 1977 was considered a major step forward. End users typically sent files between 100 and 100,000 bytes in length. The user could expect delivery within one minute to several hours. File delivery was acknowledged on a hop by hop basis but there was no end to end delivery confirmation. However, by the late 1970s an email application was developed that provided delivery confirmation as well as message archiving. What began as a research activity among engineers and scientists became, by 1980, a valuable business asset for many organizations within IBM. The first widely disruptive computer worm, "Christmas Tree EXEC" in December 1987, originated on BITNET and spread to this network. (en)
gold:hypernym	System
prov:wasDerivedFrom	wikipedia-en:IBM_VNET?oldid=1010978877&ns=0
page length (characters) of wiki page	2659 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:IBM_VNET
is Link from a Wikipage to another Wikipage of	History of email Edson Hendricks History of IBM VNET Christmas Tree EXEC
is Wikipage redirect of	VNET
is foaf:primaryTopic of	wikipedia-en:IBM_VNET

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