ProtocolsSubmitted by –

Sara Sitara X-A (Roll No. 26)Sipa Sutapa X-A( Roll No. 27)

Lab Exercise

Create a presentation on different protocols. The presentation must include all the protocols discussed in the chapter. One slide for one protocol.

PROTOCOLS

To enable computers to communicate, certain rules and conventions have to be established for the efficient exchange of data between them.

A set of these rules and conventions that specify how the data will be transferred between the computers that are on a network is called a protocol.

Transmission Control Protocol? Internet Protocol (TCP/IP)

TCP/IP is the combination of the two protocols. TCP/IP is used to transport data between computers in a

network.It works in the following manner: TCP establishes a connection between the computers that want to

communicate.It furthur divides the file or message to be transmitted into small and individual units called packets and sequences them.

IP labels the source and destination address on each packet. It also decides how each packet will be sent across the network i.e. it decides the routing of the packets.

At the destination computer, the TCP reassembles the received packets. It ensures that the packets are reassembled in the same sequence in which they were dispatched. This way, TCP is able to deliver the complete message in the original form.

Simple Mail Transfer Protocol

Simple Mail Transfer Protocol(SMTP) is the most popular protocol for transferring electronic mail on the internet.

SMTP specifies the format for the electronic message along with its route from the source computer to the destination computer through e-mail servers.

Hyper Text Transfer Protocol

Hyper Text Transfer Protocol(HTTP) allows the transfer of hyper text documents in the World Wide Web. It works on the client-server model as follows:

A browser requests for a resource on WWW by sending an HTTP request to a web server.

The web server responds by transferring the requested resource to the browser in the form of an HTTP response.

The browser interprets the content of the web page and displays it in a proper format to the user.

Thank You