UDP, or user datagram protocol, is one of the Internet Suite Protocols built with the minimal overhead in mind. There are no data streams, all the exchange is done via single UDP packets, and the hosts’ responsibility is to extract the required data (packets can reach destination in the order different from the order of sending).
UDP message is the actual data sent, the payload part of the packet. Since there is no stream of data, UDP message size can be significantly limited; thus UDP is best used in situation when data exchange can involve relatively small (hundreds of bytes) data chunks.
UDP – network servers monitoring
UDP Monitor is one of the simplest IPHost monitors. UDP, or User Datagram Protocol, is one of the core protocols from Internet Protocol Suite. Its purpose is to …
TCP monitoring makes sense when we should make sure the connection to a given IP address at a given port is possible. Manual TCP connectivity monitoring is made most often with telnet program; if the host responds, then the test is positive. However, in case we have a multitude of hosts and ports to test, manual checking becomes too cumbersome …