What is Protocol
Protocol in the set of rule and regulations . In IT (information technology) two electronic devices connect and communicate with each others with special rules.
These rules are called protocols .
These are the standards that defines the syntax and semantics . It sync of communication and possible error recovery methods. Protocols can also be implemented by hardware or software .
Many common types you are heard such as
- file transfer protocol (ftp)
- hyper text transfer protocol (http)
- SMTP (Simple Mail Transfer Proto-col)
- TCP/IP (Transfer Control Protocol/Internet Proto-col)
These standard set of regulations and requirements provide error free data transfer or communication with in two electronic devices .
In protocols , rule are specified that how to compress , extract and transfer data by the device .
It also determine how data transmitted between devices and over networks. It define error control and data compression methods.
A user type a web site url in web browser http://www.example.com . In this URL ,world “http” is a sign of hyper text tansfer protocols with tells the web browser to deal this string “www.example.com” with rules of HTTP or hyper text tansfer protocol