Comtech EF Data Vipersat Load Utility v3.5.x - Manual (Page 101)

Appendix A - Glossary A-11
V
VESP Vipersat External Switching Protocol – A switch-request protocol that allows
external VPN equipment and Real-time proprietary applications to negotiate
bandwidth requests between any two subnets on a Vipersat network. VESP is
used by newer Vipersat modems (e.g., SLM-5650A) to send a switch request to
the VMS to establish a new satellite link or adjust bandwidth for an existing
link.
VCS Vipersat Circuit Scheduler – The ArrangeLink VCS is a proprietary satellite
communication scheduling system used to schedule Vipersat network resources
in support of a variety of high-priority applications such as video conferencing
and scheduled broadcasting.
VFS Vipersat File Streamer – A file transfer application utilizing UDP and a proprie-
tary Streamload protocol to transmit data across the Vipersat network.
VLoad Vipersat Load Utility – A comprehensive tool for managing and distributing
application, configuration, and identification information for the modem/routers
in Vipersat satellite networks.
VMS Vipersat Management System – A comprehensive M&C tool providing rapid
and responsive control of Vipersat satellite networks. Comprised of client and
server components.
VNO Virtual Network Operator – A provider of management services that does not
own the telecommunication infrastructure. The Comtech Vipersat Network
Products’ VNO solution allows satellite space segment operators to selectively
expose resources in their satellite network to other service providers, customers,
or partners.
VoIP Voice over IP – The routing of voice communications over the Internet or
through any IP-based network.
VOS Vipersat Object Service – The main software service of the VMS application.
W
Wizard A specialized program which performs a specific function, such as installing an
application.
WRED Weighted Random Early Detection – A queue management algorithm with
congestion avoidance capabilities and packet classification (QoS) providing
prioritization.