Recent questions tagged header

In Transport layer either in TCP header or UDP header in checksum field we calculate checksum for Pseudo header of IP + header of TCP/UDP + data of TCP/UDP.Transport laye...

Why don't we use CRC in IP header instead of Checksum?

Consider a network having a host P connected to another host Q via two routers Rl and R2. P is connected to R1 through a link that can support a maximum frame length of 1...