Internetworking with TCP/IP, Volume 1

allows application programs area network ARPANET assigned autonomous system backbone bits BOOTP broadcast byte called Chapter checksum client communication congestion connected Internet contains core gateway delivery destination address domain name system electronic mail Ethernet example field Figure File Transfer fragment frame gateway G hardware address header host ICMP identify implementation integer interconnection internet address Internet Protocol IP address IP datagram IP multicast layer local area network message format multicast address multiple name server network address network interface network management NSFNET octets operating system option OSPF packet switch physical address physical network pointer port number problem protocol port protocol software provides RARP reachability receive request retransmission routing information routing table segment sender SEQUENCE NUMBER single SNMP socket specifies standard TCP/IP internet TCP/IP protocols TELNET timeout tion traffic transmission UNIX update