Wednesday, February 28, 2007

5 layers of TCP App

*DHCP-The Dynamic Host Configuration Protocol (DHCP) is a set of rules used by a communications device such as a computer, router or network adapter to allow the device to request and obtain an IP address from a server which has a list of addresses available for assignment.

*DNS-the domain name system (DNS) stores and associates many types of information with domain names; most importantly, it translates domain names computer hostnames to IP addresses.

*IRC-Internet Relay Chat (IRC) is a form of real-time Internet chat or synchronous conferencing. It is mainly designed for group many-to-many communication in discussion forums called channels, but also allows one-to-one communication and data transfers via private message.

*SIP-The Session Initiation Protocol (SIP) is an application-layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences."

*NNTP-The Network News Transfer Protocol or NNTP is an Internet application protocol used primarily for reading and posting Usenet articles, as well as transferring news among news servers.

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