EDN

TCP/IP Embedded Internet Applications – The Network Layer, Part 1: The Internet Protocol

The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...
Ars Technica

Computing header checksum of an IP Datagram

I'm reading Comer's TCP/IP book, where (page 107 of the 4th edition, if you're interested) he states: <BR><BLOCKQUOTE class="ip_ubbcode_quote"><font size="-1">quote ...
EDN

TCP/IP Embedded Internet Applications – The Network Layer, Part 2: IPv6, ICMP and UDP

The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...
PC Magazine

IP fragmentation

Breaking an IP datagram (packet) into pieces in order to be sent across a transmission link with a frame size smaller than the datagram. Performed in a router, the header of the original IP packet is ...