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 ISA Server 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 ISA Server
computer to another ISA Server computer upstream. The downstream
(source) ISA Server 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)
The client/server protocol used to access information about the
Web.