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VCI:
Virtual Channel Identifier: A virtual channel identified by a unique numerical tag that is defined by a
16-bit field in the ATM cell header. The purpose of the virtual channel is to identify where the cell should
travel.
VC-Mux:
Virtual Circuit based Multiplexing: In VC Based Multiplexing, the interconnect protocol of the carried
network is identified implicitly by the VC (Virtual Circuit) connecting the two ATM stations (each protocol must
be carried over a separate VC).
VPI:
Virtual Path Identifier: Virtual path for cell routing indicated by an eight bit field in the ATM cell header.
WAN:
Wide Area Network: A WAN covers a large geographical area. A WAN is consisted of LANs and the
Internet is consisted of WANs.
WPA:
Wi-Fi Protected Access (WPA) is a specification of standards-based, interoperable security
enhancements that increase the level of data protection and access control for existing and future wireless
LAN systems.