Tcp ip view5/18/2023 ![]() ![]() ![]() A TCP/IP "port" can be thought of as a private two-way communications line where the port number is used to identify a unique connection between two devices. The IP Address uniquely identifies the computer or device on the network and a "Port Number" identifies a specific connection between one computer or device and another (i.e between two IP Addresses). The TCP/IP protocol is designed such that each computer or device in a network has a unique "IP Address" (Internet Protocol Address) and each IP address can open and communicate over up to 65535 different “ports” for sending and receiving data to or from any other network device. How does TCP/IP work - without going into too much detail? Because it is the primary protocol used on the Internet, and it is in the public domain, it has become the most popular networking protocol throughout the world and is therefore well supported by almost all computer systems and networking hardware. The TCP/IP protocol was also placed in the public domain so that any software company could develop networking software based on the protocol. The defense department network was opened up to research institutions and eventually the general public to create what is now the Internet. It was developed by the US department of defense for the purpose of connecting government computer systems to each other through a global, fault tolerant, network. It is basically a network protocol that defines the details of how data is sent and received through network adapters, hubs, switches, routers and other network communications hardware. TCP/IP stands for “Transmission Control Protocol / Internet Protocol”. What is TCP/IP and where did it come from? While TCP/IP communications (and collecting data from TCP/IP devices) can appear to be daunting at first, it is actually a very simple communication tool. Questions? Call us at: (800) 722-6004 or (215) 496-0222Ī brief overview of TCP/IP communications Explains the TCP/IP network protocol, how it works, client / server connections, and more general information.
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