Saturday, 14 February 2015

Ip datagram

Tcp/ip is a combination of tcp(transfer control protocol) which is present in transport layer of tcp model and ip(internet protocol) which is present in network layer. TCP provides reliable connection and ip provides unreliable connection.
Tcp adds TCP header at the beginning of application data which is known as TCP segment. And ip adds ip header at the beginning of this tcp segment which is known as ip datagram.
UDP provides unreliable connection. Udp adds udp header at the begining of application data and is known as udp datagram. And ip adds ip header at the beginning of this udp datagram which is known as ip datagram. Udp stands for user datagram protocol.

Wednesday, 11 February 2015

Network

A network is a collection of computers. Networks are all around us. A wide variety of networks are available like ethernet, wifi etc.

Wednesday, 28 January 2015

data communication

Let’s get familiar with data communication. I studied data communication in my 5 semester. There I realized studying data communication was easy, its concepts were simple enough to understand, just a pinch of time was invested in learning any one of its concept. I studied topics like signals, kinds of transmission, data transfer modes, multiplexing techniques, switching techniques, and media used. We will have a look at all of these concepts.

Data communication is a fast growing technology. [to read more desktop and laptop users please view data communication page and smartphone users click on home in header and then click data communication].