Author name: Phil Vella

TCP Socket Keepalive

TCP Socket Keepalive Astra Telematics IoT devices, like many others, communicate with the host server using TCP sockets.  Once the socket has been opened, the connection is maintained between the IoT device and the server, so that either side can send and receive data at any moment.  A TCP socket can therefore be described as …

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Roaming SIMs and Automatic Network Selection

Roaming SIMs and Automatic Network Selection Open roaming SIMs are widely used today in IoT and telematics applications, for good reasons.  Coverage is extended by allowing access to all (or at least several) network operators in any given country, with obvious benefits for real-time communications in almost any location.  However, there can be problems with …

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