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Sunday, January 28, 2018

TCP Encapsulation A TCP segment encapsulates the data received from the application layer. The TCP segment is encapsulated in an IP da...

SEGMENT

9:31 PM
SEGMENT A packet in TCP is called a segment.  Format: The segment consist of a header of 20 to 60 bytes, followed by data from...
TCP Features TCP has several features that are briefly summarized as below Numbering System There are two fileds called sequence n...
TCP Services Services offered by TCP to the process at the application layer. Process-to-Process Communication. TCP provides process-...
Special Addresses In classful addressing some addresses were reserved for special purposes. The classless addressing scheme inherits som...
Classless addressing In 1996, the internet authorities announced a new architecture called classless addressing.  In classless address...
Supernet Mask A supernet mask is the reverse of subnet mask   A subnet mask for class C has more 1s than the default mask of this cl...
Supernetting Combining several Class C blocks to create a larger range of address is known as supernetting.  for example an organiza...
Subnet Mask A subnet mask  in classless/subnet addressing is a 32-bit number  with netid bits set to 1s and hostid bits set to 0s. ...
Network Mask A network mask or a default mask in classful addressing is a 32-bit number  with netid bits set to 1s and hostid bits set t...
Two-Level Addressing The purpose of IPv4 addressing is to show destination for an internet packet. Internet is networks of network, A ...
UDP Applications   The following shows some typical applications that can benefit more from the services of UDP than from those of T...
UDP Services Process-to-Process Communication UDP provides process-to-process communication using sockets, A socket is a combination...

Sunday, January 14, 2018