I have read in several books (including a book on using QT toolkit) warning about using C++'s virtual function because of performance penalty. But they are quite vague on why this is so. My memory on ...

Embedded C developers shy away from C++ out of concern for performance. The class construct is one of their main concerns. My previous article Code Craft – Embedding C++: Classes explored whether ...

Remember network functions virtualization (NFV)? It seemingly only just arrived along with other disruptive, next-gen networking advances like software-defined networking (SDN) to shake up the ...

Network functions virtualization is an architecture of network services -- usually Layer 4 through 7 -- deployed as software, often as virtual machines, and separated from the underlying hardware.