Wide area networking, basics,descriptions.

IDE AREA NETWORKS - TYPES OF CONNECTION ------------------------------------------------------------------ WIDE AREA NETWORKS -TYPES OF CONNECTIONS WIDE AREA NERWORK (WAN) The term WIDE AREA NETWORK (WAN) usually refers to a network which covers a large geographical area, and use communications circuits to connect the intermediate nodes. A major factor impacting WAN design and performance is a requirement that they lease communications circuits from telephone companies or other communications carriers. Numerous WANs have been constructed, including public packet …

…can affect TRANSMISSION RATE include: type of modem, line discipline, type of communication channel and transmission medium. Analog transmission is the most readily available and can be used on switched or leased telephone lines. PROTOCOLS are groups of rules and procedures that initiate and maintain communication. They give the messages the right priority. Well known protocols are TCP/IP- Transfer and Communication Protocol/Internet Protocol used by the Internet, and PPP- Point to Point Protocol.