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  • H.323 protocol
    The International Telecommunications Union - Telecommunications (ITU-T) standard protocol for real-time multimedia communications and conferencing over packet-based networks.

  • hash
    A mathematical algorithm used for routing client requests within an array or a chain. The result of the hash determines which specific Forefront TMG computer to send the client request.

  • header
    In data packet communications, a specified number of bytes that precedes the actual data being transmitted. It identifies control information used to deliver, route, and process the data contents of a packet.

  • hierarchical caching
    The forwarding of a client HTTP request from one Forefront TMG computer to another Forefront TMG computer upstream. The downstream (source) Forefront TMG computer forwards client requests that it cannot service from its own cache. Hierarchical caching uses upstream routing and is a subset of distributed caching.

  • host name
    The name given to a computer that is part of a network domain and used for client authentication. Also called the computer name. See also fully qualified domain name (FQDN).

  • HTML
    See Hypertext Markup Language (HTML).

  • HTTP
    See Hypertext Transfer Protocol (HTTP).

  • Hypertext Markup Language (HTML)
    A markup language derived from the Standard Generalized Markup Language (SGML). HTML is used to create a text document with formatting specifications that tells a software browser how to display the page or pages included in the document.

  • Hypertext Transfer Protocol (HTTP)
    An application-level client/server protocol used to transfer information over the World Wide Web. Web browsers use this protocol to send requests to Web servers, and Web servers use it to send responses back to Web browsers.

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Build date: 6/30/2010