Protocol is simply a set of rules which defines a standard way for exchanging information over a network .
Most commonly used protocol are :
- Transmission Control Protocol (TCP).
TCP is one of the core part of IPS(internet protocol suite) . Other one component is IP. TCP stands for Transmission Control Protocol . TCP provides the facility to exchange the information or data directly between two hosts Many major internet applications like e-mail, file transfer etc .rely upon TCP. This protocol contains variety of flags like SYN, ACK , RST, FIN etc.
- Internet Protocol (IP)
Internet Protocol is other core part of IPS . IP is the main communication protocol with is used for exchanging packets over inter-network using IPS . IP is used to deliver packets from source to destination.
Internet protocol is responsible for establishment of internet
- User Datagram Protocol (UDP)
User Datagram Protocol (UDP) does not contain any flag. UDP allows computer application to send message over internet protocol (IP) . In , UDP , data or message are considered as DATAGRAM . UDP was designed by Devid P Reed in 1980.
In UDP , simple transmission model is used and there is no handshaking method is used which results into unreliability , duplication and missing of the information without notice.
Data on the internet is generally organized into standard TCP or UDP packets . A packets is bunch of information . Different services use different ports to exchange the information
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