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What is VPN Forwarding Instance (VFI)

Chapter 173
Encyclopedia of Networked and Virtual Organizations
A logical entity which resides in a PE router that includes the router information base and forwarding information base for a VPN instance.
Published in Chapter:
QoS Provisioning Framework in IP-Based VPN
Mirjana D. Stojanovic (University of Belgrade, Serbia) and Vladanka S. Acimovic-Raspopovic (University of Belgrade, Serbia)
Copyright: © 2008 |Pages: 8
DOI: 10.4018/978-1-59904-885-7.ch173
Abstract
A virtual private network (VPN) can be broadly defined as a “restricted communication between a set of sites, making use of a backbone that is shared with other traffic not belonging to that communication” (Carugi & De Clercq, 2004, p.116). Since the late nineties, with pervasive deployment of the Internet protocol (IP) technology in corporate networks, IP-based VPNs, in several forms and based on different network technologies, have become a promising solution for a wide range of corporate network services.
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