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Description
3500/92 136180-01 Communication gateway module
Communication gateway module is a kind of device to realize network interconnection, it can convert network protocols, so that different types
of networks or protocols can communicate with each other. It has many functions such as data transmission, voice communication and remote control.
In the field of Internet of Things, communication gateway modules are widely used to realize data transmission and communication between
Internet of Things devices. It can connect iot devices of different types and protocols together and share information to other devices or systems through data transmission.
The communication gateway module can also be used to build enterprise networks, connecting networks of different types and protocols
together to achieve data sharing and communication. It can also be used in the home network to realize the interconnection and intelligent control of home devices.
In short, communication gateway module is an important device to realize network interconnection, it can convert network protocols, so that
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networks of different types or protocols can communicate with each other, thus improving the reliability and availability of the network.
TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are the two protocols in the transport layer of the OSI model.
TCP is a connection-oriented and reliable protocol. It is designed to provide reliable end-to-end byte stream transmission in unreliable Internet
environments. Specifically, the TCP protocol sends a byte stream from one host to other hosts on the Internet without error. It needs to be
connected through three handshakes in order to transfer data. At the sending end, the TCP protocol divides the byte stream transmitted from
the upper layer into packet segments and passes them to the lower layer. On the receiving end, it reassembles the received packets and submits
them to the upper layer. In addition, the TCP protocol also handles end-to-end flow control to avoid slow receiving receivers that do not have
enough buffers to receive large amounts of data sent by the sender.
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