Internet Application

understanding Addresses Routing of Instant Messaging Collaborative Computing Grid Social networking Forums Societies

Using The only internet service that is more frequently used than the web is electronic mail. is a system for exchanging messages through a computer network. was one of the first uses of the internet, and quickly became a popular feature because it lets user exchange messages from anywhere in the world. is less expensive than using the telephone because there is no charge for using it, beyond the regular fees you pay your ISP. is a faster way to communicate than postal mail because messages typically reach their destination in seconds rather than days. Ability to attach data. is not a real time communications system.

Understanding The most common way to create, send, and receive is by using an program and an internet connection through an ISP or LAN. Popular internet programs include MS- Outlook, MS-Outlook Express, Netscape Messenger, and others.

Addresses Account on internet Unique address Unique name When you send an message is stored on a server until the recipient can retrieve it. This type of server is called a mail server. Many mail server use the post office protocol & are called POP server. POP server are maintained for storing and forwarding messages.

Using an Program Creating a message or compose. Receiving and reading a message Reply Print Forward Delete

More features on the internet News FTP Internet Relay Chat (IRC) and web based chat Online services

Internet Relay Chat (IRC) & Web Based Chat Internet Relay Chat (IRC) Internet Relay Chat (IRC) is a form of real-time Internet text messaging (chat) It is mainly designed for group communication in discussion forums, called channels. It also allows one-to-one communication via private message.

Internet Relay Chat (IRC) & Web Based Chat Example: mIRC is a popular Internet Relay Chat client used by millions of people, and thousands of organizations, to communicate, share, play and work with each other on IRC networks around the world. Serving the Internet community for over a decade, mIRC has evolved into a powerful, reliable and fun piece of technology.

Internet Relay Chat (IRC) & Web Based Chat Web Based Chat – Allows users to communicate in real time using easily accessible web interfaces. – It is a type of internet online chat distinguished by its simplicity and accessibility to users who do not wish to take the time to install and learn to use specialized chat software. – Only a web browser is required to chat.

Routing of routing is performed based entirely on the destination address of the message. An address has the following format: domain. The local mail server then performs a DNS lookup to find the 'MX' (mail exchanger) records for the recipient's domain name. These MX devices are the designated mail servers for all addresses within that domain.

The local server then attempts an SMTP connection to each of the MX servers until a connection is successful. It forwards the message to the remote server and ends the connection. The remote mail server then either repeats this process, forwarding the message closer to the proposed recipient, or may deliver the message directly to the recipient. Routing of

Collaborative Computing Collaborative computing is a term describing a variety of activities where people interact with one another using desktops, laptops, palmtops, and sophisticated digital cellular phones. As computers are best at handling data and representing information, person-to-person communication is enriched by an ability to share, modify, or collaboratively create data and information.

Grid Computing Grid computing has emerged as one of the key computing pattern enabling large-scale and enhanced scientific activities to be carried out via collaborations on a global scale. Grid Computing enables the virtualization of distributed computing, data resources and the network bandwidth to create a single system image. Grid computing is based on an open set of standards and protocols that enable communication across heterogeneous, geographically dispersed environments. They are often connected to each other through fast LAN

Social Networking A social network is a social structure made of individuals (or organizations) called "nodes," which are connected by one or more specific types of interdependency, such as friendship, kinship, financial exchange, dislike, or relationships of beliefs, knowledge or status. Social networking is the grouping of individuals into specific groups, like small rural communities or a neighborhood subdivision. Although social networking is possible in person, especially in the workplace, universities, and high schools, it is most popular online.

Social Networking: Forums and Societies Yahoo! Groups Yahoo! Groups is a social network with an huge community. Yahoo! Groups Create, search for, and join discussion groups to chat with people who share similar interests. Search for groups by keyword, or browse for groups by category including business & finance, computers & Internet, cultures & community, entertainment & arts, family & home, games, government & politics, health & wellness, hobbies & crafts, music, recreation & sports, regional, religion & beliefs, schools & education and science.

Google Groups Create, search for, and join discussion and mailing groups on Google Groups. Google Groups Browse for groups by category or search by keyword. Tour Google Groups to discover the latest features, and learn how to create your own group, browse existing groups, and communicate easily. The Google Groups help site includes answers to frequently asked help questions. Visit the FAQ to learn more about Google Groups. Get help from other Google Group users in the Google Groups Guide discussion forum. Social Networking: Forums and Societies