neral form of a URL is access-method://server-name[:port]/location. http://www.upandaway.com/balloons/hotair.htmlProtocol Server Domain or Site Directory File name or name folder name type inside folder web pageProtocol - how document is accessedhttp://FTP://Gopher://Server name - system on Internet on which information is storedWWW.Domain/Folder Name - the Web server nameUpandaway.Site Type - part of the domain name.com - commercial.gov - government.edu - educational institution.org - organization.net - network provider organization.mil - military organizationDirectory inside folder - directory or folder on the Web server that contains a group of related Web pages within the website www.upandaway.com.balloonsFile Name - a Web page inside the folderhotair.htmlNext, IP Addresses. Each computer connected to the Internet transfers data around the Internet using virtual circuits. These circuits route data to the individual computers that are identified by their IP-address. An IP-address is currently four bytes long and is usually written as four number separated by dots (e.g., 192.40.254.0 ). Since a byte can contain a number from 0 to 255, it is theoretically possible to have 4.3 billion unique addresses. However, the number of addresses available is less than that.Some addresses are used for specific purposes, such as broadcast packets to all computers on a particular network or to identify a network. In addition, the address the address space is distributed across geographic regions. Some countries, such as Australia, have effectively run out of address space. Other countries (and some corporations) have more address space than they presently need.The server name is an IP host name or an IP address. WWW servers often start with the name "www", as in www.wright.edu. The port number is usually not needed. If there are many servers on one machine (e.g., two different WWW servers on the same ...
