A connection management method based on udp reliable transmission
A connection management and reliable technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as poor reliability and achieve good reliability.
Active Publication Date: 2019-01-22
ZHEJIANG UNIV OF TECH
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Problems solved by technology
In order to overcome the shortcomings of poor reliability of the existing UDP-based transmission method, the present invention provides a reliable UDP-based reliable transmission connection management method
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The invention relates to a connection management method based on UDP reliable transmission. The connection management method comprises the following steps of: establishing connection: establishing connection based on UDP reliable transmission through a three-way handshake mechanism; keeping connection alive: sending a PING message to a remote host in a timed manner, and then, waiting for a confirmation message of the remote host so as to obtain the connection survivability; and disconnecting connection: disconnecting the established connection by sending a disconnection message to the remote host, or disconnecting the established connection when connection is timed out. The connection management method based on UDP reliable transmission provided by the invention is good in reliability.
Description
technical field The invention relates to establishing a connection management mechanism based on UDP reliable transmission, and is a connection management method based on UDP reliable transmission. Background technique TCP is a transport layer control protocol formulated by IETF, which is a connection-oriented, byte-stream-based, and reliable transmission control protocol. TCP is an intermediate layer above the IP layer and below the application layer. It provides reliable data transmission, congestion control and other functions for the application layer. Unlike TCP, UDP is a connectionless, datagram-based, and unreliable transport layer protocol developed by IETF. The UDP protocol itself is very simple, data from the application layer is passed to UDP and encapsulated in UDP datagrams. However, UDP does not have reliable data transmission, flow control and congestion control. These tasks are usually handed over to the upper-layer application, which increases the compl...
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IPC IPC(8): H04L29/06H04L12/26
CPCH04L43/10H04L69/164
Inventor 徐志江万玉铸华惊宇孟利民
Owner ZHEJIANG UNIV OF TECH