Network communication between hosts

Hi, I need advice about developing C++ program. I need to develop 2 application which must communicate via network using SSL encryption. The problem is in which format to exchange the data. I can use XML format to exchange data between the hosts but a lot traffic will be generated. What

Collecting data

Hi, I'm developing C plugin for Debian which will be installed as kernel module. The problem is how to collect the data about: CPU Check – Utilization, Model, Number of Cores RAM Check – Total Memory, Free Memory, Memory Load HDD