Email Address and Host Nomenclature
The Email Address
Email addresses represent the address for a person or organization on the Internet using electrion mail or Email. When sendin a message to someone electronically you must know their email address. A generic email address looks like the following:Some Examples
- joe_smith@otter.monterey.edu (Joe Smith's address on First Class)
- smith@ecn.purdue.edu (Joe's account at purdue University)
- smith@vnet.ibm.com (Joe's account at IBM corporation)
- smith@aol.com (Joe's account at American On-Line)
Host Nomenclature
The way in which a host machine is named on the internet follows a specific formula. The generic formula is as follows:(where there can be many or no subdomains)
- edu educational institution
- com commercial business
- gov government agency
- net network provider
Some Examples
- www.monterey.edu (CSUMB's Web server)
- rvl4.ecn.purdue.edu (Robot Vision Lab machine 4 at Purdue University)
- otter.monterey.edu (CSUMB's FirstClass Email server)
ALL host names on the Internet are registered. Every machine that is on the Internet has not only a name but, also an equivalent number form. The name or equivalent number of a machine is called its IP address. IP stands for Internet Protocol and is half of the communications protocol called TCP/IP, that all computers on the Internet use as a common language to speak to each other.