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TCP vs UDP - TCP: reliable, ordered, heavyweight, streaming UDP - unreliable, not ordered, lightweight, datagrams. the Domain Name System (DNS), the Routing Information Protocol (RIP), the Dynamic Host Configuration Protocol (DHCP), the Simple Network Management Protocol (SNMP). UDP (User Datagram Protocol) is a minimal message-oriented Transport Layer protocol (protocol is documented in IETF RFC 768).Īpplication examples that often use UDP: voice over IP (VoIP), streaming media and real-time multiplayer games. UDP on port 52977 thinks that error checking and correction is not necessary or performed in the application, avoiding the overhead of such processing at the network interface level. UDP on port 52977 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. You may need to use this if 5555 is not available for. p number or -port number Specifies the TCP port number to which clients will connect players must know this number to be able to connect if they are not to use the default of 5555 decimal. UDP port 52977 would not have guaranteed communication as TCP. Directs the server to communicate with the Freeciv Metaserver. Guaranteed communication over TCP port 52977 is the main difference between TCP and UDP. Only when a connection is set up user's data can be sent bi-directionally over the connection.Īttention! TCP guarantees delivery of data packets on port 52977 in the same order in which they were sent. TCP is a connection-oriented protocol, it requires handshaking to set up end-to-end communications. TCP is one of the main protocols in TCP/IP networks. TCP port 52977 uses the Transmission Control Protocol. The closest known UDP ports before 5555 port :5556 (Freeciv gameplay), 5556 (Freeciv gameplay), 5556 (Freeciv, Oracle WebLogic Server Node Manager), 5557 (Reserved), 5565 (Reserved), In computer networking, the protocols of the Transport Layer of the Internet Protocol Suite, most notably the Transmission Control Protocol (TCP) and the User.