_:nea32aeaa81964590909db5aa825b8becxb0
<http://schema.org/description>
"IP datagram format. ver. length. 32 bits. data. (variable length, typically a TCP. or UDP segment) 16-bit identifier. Internet. checksum. time to. live. 32 bit source IP address. IP protocol version. number. header length. (bytes) max number. remaining hops. (decremented at. each router) for. fragmentation/ reassembly. total datagram. length (bytes) upper layer protocol. to deliver payload to. head. len. type of. service. type of data. flgs. fragment. offset. upper. layer. 32 bit destination IP address. Options (if any) E.g. timestamp, record route. taken, specify. list of routers. to visit. how much overhead with TCP 20 bytes of TCP. 20 bytes of IP. = 40 bytes + app layer overhead."
<https://slideplayer.in.th/slide/2096479/>