The technology provides secure remote access to a broad spectrum of applications and network resources Application-layer VPNs are generating lots of attention these days. Proponents cite the ...

Listen carefully. The top level of the OSI Reference Model and the IETF protocol stack is the application layer. The application layer, however, doesn’t do applications. It provides services such as ...

I am the biggest defense-in-depth supporter there is, but deep defenses don’t obviate the need to protect the perimeter. This year, we’re going to see a lot of action from security vendors trying to ...

Modern software applications are underpinned by a large and growing web of APIs, microservices, and cloud services that must be highly available, fault tolerant, and secure. The underlying networking ...

Welcome! Throughout this course, Network Systems Foundations, you will delve into the fundamental layers of network communication. You will start with a thorough discussion of the Link Layer and its ...