Ipsilon Networks was a

computer networking A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other. These interconnections ar ...

company which specialised in IP switching during the 1990s. The first product called the IP Switch ATM 1600 was announced in March 1996 for US$46,000. Its switch used

Asynchronous Transfer Mode Asynchronous Transfer Mode (ATM) is a telecommunications standard defined by American National Standards Institute (ANSI) and ITU-T (formerly CCITT) for digital transmission of multiple types of traffic. ATM was developed to meet the needs o ...

(ATM) hardware combined with

Internet Protocol The Internet Protocol (IP) is the network layer communications protocol in the Internet protocol suite for relaying datagrams across network boundaries. Its routing function enables internetworking, and essentially establishes the Internet. ...

routing. The company had a role in the development of the

Multiprotocol Label Switching Multiprotocol Label Switching (MPLS) is a routing technique in telecommunications networks that directs data from one node to the next based on labels rather than network addresses. Whereas network addresses identify endpoints the labels identi ...

(MPLS) network protocol. The company published early proposals related to label switching,(known by Cisco Systems as tag switching at the time) but did not manage to achieve the market share hoped for and was purchased for $120 million by

Nokia Nokia Corporation (natively Nokia Oyj, referred to as Nokia) is a Finnish multinational telecommunications, information technology, and consumer electronics corporation, established in 1865. Nokia's main headquarters are in Espoo, Finlan ...

in December 1997. The president at the time was Brian NeSmith, and it was located in

Sunnyvale, California Sunnyvale () is a city located in the Santa Clara Valley in northwest Santa Clara County in the U.S. state of California. Sunnyvale lies along the historic El Camino Real and Highway 101 and is bordered by portions of San Jose to the no ...

References

External links

Archive.org's image of Ipsilon's web site
taken several months prior to the acquisition by Nokia. Defunct networking companies Companies disestablished in 1997 Companies based in Sunnyvale, California {{Compu-network-stub