V VPLS V1 Version 1 V2 Version 2 VA Virtual Aggregation VAD Voice Activity Detection VAN value-added network VAP Virtual Access Point VAS Voice activated switching VBCM Video Back Channel Message VBDC Volume-Based Dynamic Capacity VBR variable bit rate VC Video Capture VC Virtual Channel VCC Virtual Channel Connection VCC Virtual Circuit Connection VCCV Virtual Circuit Connectivity Verification VCI Virtual Channel Identifier VCI Virtual Circuit Identifier VCL Video Coding Layer VCL Virtual Channel Link VDH Very Distant Host VDL VHF Data Link VDR Variable Date Rate VDT Vorbis Data Type VE VPLS Edge VE Validation Entity VEPA Virtual Edge Port Aggregator VET Virtual Enterprise Traversal VFI VPN Forwarding Instance VFI Virtual Forwarding Instance VFIP VOICE FILE INTERCHANGE PROTOCOL VFO variable frequency oscillator VI Virgin Islands VI Virtual Interface VIM Virtualized Infrastructure Manager VIP Versatile Interface Processor VIPR Verification Involving PSTN Reachability VJ Van Jacobson VLAN Virtual Local Area Network VLL Virtual Leased Line VLLS Virtual Leased Line Service VLSM Variable Length Subnet Masking VM Virtual Machine VMN Visiting Mobile Node VMOC Virtual Mission Operations Center VMQ Virtual Machine Queue VMTP Versatile Message Transaction Protocol VMVD Vertical motion vector data VN Version Number VN Virtual Network VNAP Virtual Network Access Point VNC Virtual Network Computing VNF Virtualized Network Function VNFM Virtualized Network Function Manager VNI VXLAN Network Identifier VNI Virtual Network Instance VNS Virtual Network Service VNT Virtual Network Topology VNTM Virtual Network Topology Manager VOD video-on-demand VP Virtual Path VPC Virtual Path Connection VPC Virtual Prefix Company VPDN Virtual Private Dial Network VPI Variable Precision Integer VPI Virtual Path Identifier VPI/VCI Virtual Path Identifier /Virtual Channel Identifier VPL Virtual Path Link VPLS Virtual Private LAN Service VPMS Virtual Private Multicast Service VPN Virtual Private Network VPRN Virtual Private Routed Network VPSN Virtual Private Switched Network VPTS Virtual Private TRILL Service VPWS Virtual Private Wire Services VQ vector quantizer VR Virtual Reality VRB Virtual Reassembly Buffer VRC Video Redundancy Coding VRP Validated ROA Payload VRRP Virtual Router Redundancy Protocol VS Verification Service VSA Vendor Specific Attribute VSA Vendor-Specific Attribute VSAP Vendor-Specific Authentication Protocol VSE Vendor/Organization-Specific Extension VSI Virtual Station Interface VSI Virtual Switch Instance VSI Virtual Switching Instance VSM Video-switch-MCU VSNCP Vendor-Specific Network Control Protocol VSNP Vendor-Specific Network Protocol VSP Vendor-Specific Protocol VSP VoIP service provider VSP Voice Service Provider VT Vertical Tab VT Virtual Tributary VTP Virtual Tunneling Protocol VTS Voucher Trading System VTSD Virtual TRILL Switch/Service Domain VUI Video Usability Information