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Web Technologies

WEB  Technology

TCP / IP :
TCP refers to Transmission Control Protocol.
IP refers to Information  Protocol.

TCP is protocol that establish connection among  sending and receiving web computers. It handles the assembly of packets at the point of transmission and then  reassemble at the receiving point. A protocol is a set of rules for formatting ordering ,compressing and errors checking  the messages.  It may also specify the speed of transmission  and the mean by which the devices  on the network will indicate whether they have stopped sending or receiving of messages.

The protocol can be implemented in hardware or software. TCP/IP  implemented in software is called ‘Server Software ‘. TCP is establishes connection among sending and receiving among  web computers. It is divided into four separate layers where each layers handles a different  communication problems.

1. Network Interface Layer:   It is responsible for placing the packets on and receiving them from network medium which could be LAN ( Local Area Network ), Token -ring network , frame relay, ATM (Automatic Teller Machine ). The TCP/IP is independent of local area technologies and can adopt to any charges.

2      2.The Internet Layer :   It is responsible for Addressing , Packaging and routing messages on internet.

3      3.  The Transport  Layer : It is responsible for providing  (Host –to –Host ) communication with application by acknowledging and  sequencing  the packages to and from the application .

4      4. The Application Layer  : It provides a variety of application with the ability to access the services of lower layer. Some of the best known application are   HTTP , Telnet , FTP , SMTP etc.

Comments

dipankar said…
its interesting..:)
5:25 AM
dipankar said…
its interesting..:)
5:26 AM
Garima Sood said…
very informative..gud job sumi!!
5:34 AM
kriti said…
well done sumi!! very gud and useful content..:)
5:28 AM
Akshay Kalra said…
gud work
6:24 AM
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