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What is a TCP Port: Different Between TCP and UDP Ports

NW Kings

This flexibility allows applications to use any available port without causing conflicts with other services. How does the TCP port work? TCP ports operate at the transport layer of the Internet Protocol Suite. What is Transmission Control Protocol (TCP)? What is User Datagram Protocol (UDP)?

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Fascinating Facts from Kentik

Kentik

IP Versions and Internet Protocols. As for IP protocols, when we look at which ones our customers are most commonly seeing on their networks (above right), it’s not surprising that TCP (protocol 6, for those not familiar) comes out on top, with almost 71% of the traffic. Port Numbers and Services.