This checksum uses a false header and encapsulates the data of the original TCP header, such as source/destination entries , header length and byte count . You can imagine that the sheer size and ...

Does that mean a 32 bytes TCP header is sent with each packet. That makes no sense to me because I thought that each fragment only contains a copy of the IP header and not the TCP header each time.

TCP/IP has continued to be optimized from its original design. Protocol designers have continued to create new internet transport layer protocols improve how internet applications perform.

NBN pricing review adds new plans, CVC pools, and TCP/IP header overhead Layer 2 provider to cater for headers used in layers 3 and above.