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RFC Document Chinese Translation Program (http://www.china-pub.com/compters/emook/aboutemook.htm)
E-mail: Ouyang@china-pub.com
Translator: Gu Guofei (GGFEI GGFEI@263.net)
Translation time: 2001-4-2
Copyright: This Chinese translation copyright belongs to China Interactive Publishing Network. Can be used for non-commercial use free reprint, but the translation and copyright information of this document must be retained.
Network Working Group J. Postel
Request for Comments: 862 ISI
May 1983
RFC 862 ECHO Agreement
(RFC 862 Echo Protocol)
This RFC specifies the standards on ARPA Internet Community. All hosts on the ARPA Internet should adopt and implement this standard.
Echo service is a very useful tool for debugging and detection. The role of this protocol is also very simple, and it is the case.
ECHO service based on TCP protocol
An Echo service is defined as a connection-oriented application on the TCP protocol. The server is detected by the TCP port 7, if there is a message sent directly, it is. This process continues until the client ends this connection.
ECHO service based on UDP protocol
Another ECHO service is defined as a datagram based application on the UDP protocol. The basic procedure and TCP using the UDP protocol are also received, what is the returned, and the detected port is also 7.
RFC 862- Echo Protocol RFC 862 ECHO Agreement
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