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InterCon Systems Corporation (a Virginia Corporation) was founded in April 1988 to produce software to connect Macintosh
Macintosh

File:Imac alu.pngMacintosh, commonly shortened to Mac, is a brand name which covers several lines of personal computers designed, developed, and marketed by Apple Inc....
 computers to other computers. At the time, there was no real concept of the Internet
Internet

The Internet is a global network of interconnected computers, enabling users to share information along multiple channels. Typically, a computer that connects to the Internet can access information from a vast array of available server and other computers by moving information from them to the computer's local memory....
 and there was still a question of whether the TCP/IP protocols or OSI protocols
OSI protocols

The OSI Communications protocols are a family of information exchange standards developed jointly by the International Organization for Standardization and the ITU-T from 1977 onwards....
 would be adopted widely. Over the next 9 years, the company grew from three employees to over 100 and sold software in the US, Europe and Japan.

In June 1995, InterCon was acquired by PSINet
PSINet

PSINet was one of the first internet service providers , based in Northern Virginia, and a major player in the commercialization of the Internet until the company's bankruptcy in 2001 during the dot-com bubble and acquisition by Cogent Communications in 2002....
  and continued to sell and maintain its suite of TCP/IP software.

In February 1996, PSINet merged InterCon with Software Ventures (another Macintosh communication software company).

In February 1997, InterCon's engineering group and its products were sold to Ascend Communications
Ascend Communications

Ascend Communications was an Alameda, California based manufacturer of communications equipment that was later purchased by Lucent Technologies in 1999....
.

Products
In 1988, InterCon was pursuing two product lines, TCP/Connect (based originally on NCSA Telnet
NCSA Telnet

NCSA Telnet is an implementation of the TELNET protocol created at the University of Illinois at Urbana-Champaign National Center for Supercomputing Applications in 1986 and continuously developed until 1996....
), and an email product.






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InterCon Systems Corporation (a Virginia Corporation) was founded in April 1988 to produce software to connect Macintosh
Macintosh

File:Imac alu.pngMacintosh, commonly shortened to Mac, is a brand name which covers several lines of personal computers designed, developed, and marketed by Apple Inc....
 computers to other computers. At the time, there was no real concept of the Internet
Internet

The Internet is a global network of interconnected computers, enabling users to share information along multiple channels. Typically, a computer that connects to the Internet can access information from a vast array of available server and other computers by moving information from them to the computer's local memory....
 and there was still a question of whether the TCP/IP protocols or OSI protocols
OSI protocols

The OSI Communications protocols are a family of information exchange standards developed jointly by the International Organization for Standardization and the ITU-T from 1977 onwards....
 would be adopted widely. Over the next 9 years, the company grew from three employees to over 100 and sold software in the US, Europe and Japan.

In June 1995, InterCon was acquired by PSINet
PSINet

PSINet was one of the first internet service providers , based in Northern Virginia, and a major player in the commercialization of the Internet until the company's bankruptcy in 2001 during the dot-com bubble and acquisition by Cogent Communications in 2002....
  and continued to sell and maintain its suite of TCP/IP software.

In February 1996, PSINet merged InterCon with Software Ventures (another Macintosh communication software company).

In February 1997, InterCon's engineering group and its products were sold to Ascend Communications
Ascend Communications

Ascend Communications was an Alameda, California based manufacturer of communications equipment that was later purchased by Lucent Technologies in 1999....
.

Products


In 1988, InterCon was pursuing two product lines, TCP/Connect (based originally on NCSA Telnet
NCSA Telnet

NCSA Telnet is an implementation of the TELNET protocol created at the University of Illinois at Urbana-Champaign National Center for Supercomputing Applications in 1986 and continuously developed until 1996....
), and an email product. Unfortunately, the licensing for the email product fell through in negotiations, so it was never sold, and InterCon would have to wait a few more years (until TCP/Connect II) before it could provide email to customers.

TCP/Connect


TCP/Connect was InterCon's flagship product. Launched at Macworld Conference & Expo
Macworld Conference & Expo

Produced by Boston-based IDG World Expo, Macworld Conference & Expo is a trade show dedicated to the Apple Inc. Macintosh platform with conference tracks held annually in the United States, usually during the second week of January....
 in August 1988, the product provided the same features as NCSA Telnet
NCSA Telnet

NCSA Telnet is an implementation of the TELNET protocol created at the University of Illinois at Urbana-Champaign National Center for Supercomputing Applications in 1986 and continuously developed until 1996....
, with commercial technical support as its only significant added benefit. This was to change rapidly over the next few months, and by October of that year, InterCon was showing the product at the first InterOp Expo with new features including a graphical FTP Client (one of the first on the Macintosh) and IBM 3270 emulation.

Over the next few years, InterCon added more terminal emulation and file transfer capabilities to the product, but no other major protocols until the product was replaced with a significant rewrite: TCP/Connect II.

TCP/Connect II


TCP/Connect II was to remain InterCon's flagship product from 1990 until 1995. Although TCP/Connect was primarily a terminal emulation and file transfer program, TCP/Connect II branched out into a full-fledged internet suite. At introduction, it featured email and network news reader support along with additional terminal emulations in addition to the already-popular IBM 3270, and DEC VT-240 emulations.

Over the next 5 years, the product evolved quickly and kept or set the pace for many advanced features, including embedded graphics and multimedia content in email; advanced email automation, filtering, and highlighting; a high-speed web browser; a gopher client; and many minor features and protocols.

After the introduction of InterCon's web browser in TCP/Connect II, AOL
AOL

AOL LLC is an United States global Internet services and media company operated by Time Warner and was headquartered in Loudoun County, Virginia until late April 2008 when it was moved to new offices at 770 Broadway in New York City....
 licensed the browser in 1995 for use with their dial-up networking services. In order to separate the browser from the rest of the suite, it was dubbed WebShark.

tcpCONNECT4


tcpCONNECT4 (renamed from TCP/Connect II and with additional features) was a "do-everything suite of TCP/IP applications for Internet or intranet use" that was released in 1996 and had few changes before the company's sale to Ascend Communications.

NFS/Share


NFS/Share was InterCon's second most popular product and provided high-performance access to file servers using the NFS protocol. NFS was used widely in educational environments because it was the key file sharing system for Sun Microsystems
Sun Microsystems

Sun Microsystems, Inc. is a multinational corporation vendor of computers, computer components, computer software, and information technology services, founded on February 24, 1982....
's line of UNIX
Unix

Unix is a computer operating system originally developed in 1969 by a group of American Telephone & Telegraph employees at Bell Labs, including Ken Thompson , Dennis Ritchie, Douglas McIlroy, and Joe Ossanna....
 servers. NFS/Share's adoption mirrored that popularity, finding a home in many educational institutions and pre-press environments.

NFS/Share used many techniques to increase performance and provide a smooth experience for users, as such providing some of the best performance in the marketplace.

Shark Series


In 1995, InterCon decided to more directly approach the consumer market with a series of "Shark" branded products; NetShark, WebShark, and MailShark. The products were directly derived from the source code for TCP/Connect II (or 4 at the time) and was missing the Terminal Emulation technology.

NetShark

NetShark (and the derivative MailShark) was an internet suite product based on TCP/Connect but including only email and web clients. The slimmed-down version was aimed at consumers, but never really became a popular offering.

MailShark

MailShark was created but never sold. It contained only the email portions of TCP/Connect.

WebShark

WebShark contained only the web browser portion of TCP/Connect. WebShark was licensed by AOL
AOL

AOL LLC is an United States global Internet services and media company operated by Time Warner and was headquartered in Loudoun County, Virginia until late April 2008 when it was moved to new offices at 770 Broadway in New York City....
 for use with their Macintosh clients to provide access to the web. A rebranded WebShark similarly shipped as Apple's eWorld
EWorld

eWorld was an internet service provider operated by Apple Computer between June 1994 and March 1996. The services included email , news, and a bulletin board system ....
 Web Browser.

InterPPP/InterSLIP


InterSLIP and InterPPP were software packages that enabled Macintosh users to communicate over TCP/IP using dial-up lines without having to use and embedded TCP/IP stack. These products worked with Apple's MacTCP
MacTCP

MacTCP was the standard TCP/IP implementation for the Mac OS through version 7.5.1. It was the first implementation of a TCP stack for a non-Unix platform....
.

InterPrint


InterPrint was a printing product designed to allow Macintoshes to print to PostScript
PostScript

PostScript is a dynamically typed concatenative programming language programming language created by John Warnock and Charles Geschke in 1982. PostScript is best known for its use as a page description language in the electronic and desktop publishing areas....
 printers connected over TCP/IP networks. Mostly used in corporate and prepress environments, the product integrated directly into Apple's printer architecture.

InterServer Publisher


InterServer Publisher was a web server package designed to run in the background on a Macintosh.

Planet X


Planet X was an X Window System client for Macintosh that allowed you to send the screen from your Macintosh as a window to any X Window System server. The product was developed by a third party and was marketed and sold by InterCon starting in 1991.

WatchTower


WatchTower was the first SNMP Network Monitoring System
Network monitoring

The term network monitoring describes the use of a system that constantly monitors a computer network for slow or failing components and that notifies the network administrator in case of outages via email, pager or other alarms....
 developed for the Macintosh computer Developed by GBP Software (now ClueTrust) and published and sold by InterCon starting in 1990, WatchTower was the first product of its kind on the Macintosh. Although it was never a high volume product (not surprising at a retail price of $2,495), it did represent the first monitor (and agent) for the Macintosh.

IPv6 Participation


When the initial research for IPv6 was being done, InterCon participated by creating an implementation of the SIPP protocol running on the Macintosh as part of an experimental version of TCP/Connect II. Although SIPP wasn't adopted, this early effort confirmed the interest of Internet software vendors in creating IPv6-capable software.

Internet Services in Japan (IIKK)


In 1992, InterCon saw the need to expand commercial internet services in Japan in order to bolster its position in the TCP/IP market there. To do this, the company created a Japanese subsidiary, IIKK and partnered with AT&T JENS (a subsidiary of AT&T) to create one of the first commercial internet service providers in the country.

IIKK's first offices were in an old karaoke bar in Myogadani.

PSINet purchased the IIKK and it became the core of PSINet Japan.