Grey Headline (continued)
Glossary
TANDBERG VIDEO COMMUNICATIONS SERVER ADMINISTRATOR GUIDE
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HTTP |
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| A protocol used for communications over the internet. |
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Hypertext Transfer Protocol |
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HTTPS |
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| A protocol used for secure communications over the internet, combining HTTP with TLS. |
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Hypertext Transfer Protocol over |
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Secure Socket Layer |
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Hop count |
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| The maximum number of gatekeeper or SIP proxy devices (e.g. a VCS) that a message may be forwarded through before it is decided that its intended recipient is not | ||||||||||||||||
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ICE |
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| A collaborative algorithm that works together with STUN services (and other NAT traversal techniques) to allow clients to achieve firewall traversal. This is the | ||||||||||||||||
Interactive Connectivity Establishment | emerging traversal standard for use by SIP endpoints (although it could be used for other protocols). |
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IETF |
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| An organization that defines (via documents such as RFCs) the protocol standards and best practices relating to the design, use and management of the internet. | ||||||||||||||||
Internet Engineering Task Force |
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Interworking |
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| Allowing H.323 systems to connect to SIP systems. |
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IPv4 |
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| Version 4 of the Internet Protocol, defined in RFC 791 [18]. |
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Internet Protocol version 4 |
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IPv6 |
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| Version 6 of the Internet Protocol, defined in RFC 2460 [19]. |
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Internet Protocol version 6 |
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IRQ |
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| A request sent to an endpoint requesting information about its status. |
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Information Request |
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LAN |
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| A geographically limited computer network, usually with a high bandwidth throughput. |
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Local Area Network |
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LDAP |
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| A protocol for accessing |
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Lightweight Directory Access Protocol |
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Link |
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| In relation to the VCS, a connection between two nodes. |
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Local Registration, |
| A relative term used to refer to any endpoint or system that is registered with the Local VCS. |
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Locally Registered Endpoint |
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Local VCS |
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| A relative term used to refer to the particular VCS that you are currently administering, as opposed to other VCSs in your network. |
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Local Zone |
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| A relative term used to refer to the group of endpoints and other systems registered to a particular VCS. |
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LRQ |
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| A RAS query between gatekeepers to determine the location of an endpoint. |
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Location Request |
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NAPTR record |
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| A type of DNS record. |
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NAT |
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| Also known as IP masquerading. Rewriting source and destination addresses as the IP packet passes through the NAT device. |
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Network Address Translation |
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Node |
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| In relation to the VCS, a node is one end of a link. A node can be a local subzone or a zone. |
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Introduction |
| Getting Started | Overview and |
| System |
| VCS |
| Zones and |
| Call |
| Bandwidth |
| Firewall |
| Maintenance | Appendices | |
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| Status |
| Configuration |
| Configuration |
| Neighbors |
| Processing |
| Control |
| Traversal |
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D14049.03 |
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MAY 2008 |
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