Definitions for "IP Network"
The Internet Protocol (IP) is a data-oriented protocol used by source and destination hosts for communicating data across a packet-switched internetwork. Data in an IP internetwork are sent in blocks referred to as packets or datagrams (the terms are basically synonymous in IP).
a backbone infrastructure that utilizes the TCP/IP protocol to deliver voice, data and video signals
a dumb network comprised of generic switches that handle only transport
a collection of endpoints each with a unique four byte address
Keywords:  link, physical, sharing, group, devices
a group of devices that are sharing the same physical link