Virtual Path Identifier

Article on other languages:

• VPI
• VPI

	del.icio.us
	Digg
	Furl
	Reddit
	Rojo
	Add to OnlyWire

This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unverifiable material may be challenged and removed. (August 2008)

Virtual Path Identifier refers to an 8-bit (user to network packets) or 12-bit (network-network packets) field within the header of an Asynchronous Transfer Mode packet. The VPI, together with the VCI (Virtual Channel Identifier) is used to identify the next destination of a cell as it passes through a series of ATM switches on its way to its destination. VPI is useful to reduce the switching table for some Virtual Circuits which have common path.

See also

This article related to telecommunication is a stub. You can help Wikipedia by expanding it.