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TCP/IP communication module

The TCP/IP communication module provides for a channel of communication for the SSL/TLS communication module to use. In the TCP/IP-model it provides for communication up to the Transport (or Host-to-host) layer. SSL/TLS resides on top of that, in the Application layer, and makes use of its basic provisions:

- listening on a port (see `mbedtls_net_bind()`).
- accepting a connection (through `mbedtls_net_accept()`).
- read/write (through `mbedtls_net_recv()/`mbedtls_net_send()`)`.
- close a connection (through `mbedtls_net_close()`).

This way you have the means to, for example, implement and use an UDP or IPSec communication solution as a basis.

This module can be used at server- and clientside to provide a basic means of communication over the internet.