Glossary of Terms
Bandwidth: A measure of the rate at which data can be sent through the network. This value is usually given in bits per second (bps) or kilobits per second (kbps).
CIF (Common Intermediate Format): An intermediate video format. When
DHCP (Dynamic Host Configuration Protocol): A protocol that network devices use to obtain an IP address, subnet mask, gateway and DNS addresses automatically. A DHCP server can be a router, ISP server, or PC running Internet connection sharing. See Static IP address.
Directory Service: A service that allows users to make video conferencing calls with telephone numbers. It does this by correlating telephone numbers to actual public IP addresses.
DNS (Domain Name System): A system used to translate computer names into IP addresses. For example, a DNS server would translate www.dlink.com into 192.152.81.1
DSL (Digital Subscribers Line): A technology that delivers digital information at a high speed through a user’s telephone line. The most common DSL is ADSL (Asymmetrical Digital Subscribers Line) where the download speed is usually much higher than the upload speed.
Ethernet: The port on the back of the
Far side: The remote connection of the videoconference. Your connection is the Local Connection.
Firewall: A security mechanism placed between networks, which restricts certain types of data to devices behind the firewall.
H.323: Standard defining videoconferencing over the Internet.
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