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 ...

There’s a whole group of vendors looking to ease the installation of IP VPNs by supporting application layer technology. Companies such as Neoteris, NetSilica and Netilla Networks (the author of this ...

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 ...

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 ...

Explains why Zero Trust must start at the session layer, via NHP, to hide endpoints and reduce AI-driven attack surfaces.

We have now met the archenemy of networks, Mr. Murphy, as he cackles “What can go wrong, will,” in the introduction to failure modes and the discussion of failure modes at the physical and data link ...

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 ...