I like to think of the transport layer as the layer of the OSI Model that enables more interesting traffic. While we network engineers may love a lot of the simpler uses of the IP protocol and ...

Could anyone help find authoritative online sources and /or otherwise articulate on why it makes sense to go from the “top down” in the OST 7 -- layer model, instead of “bottom up”, when ...

Layers 7 through 4 are geared more to the application than the lower layers, which are designed to move packets from one place to another no matter what they contain. This top layer defines the ...

Getting started on designing a network is a task of formidable proportions, but all the more so if you are looking to build a secure IT network. Often, IT system administrators are not fully familiar ...

For many years, security monitoring relied on gathering data from layer 4 of the OSI model through such data types as NetFlow. Because layer 4 data dealt with the transport layer, it isn't the most ...

The exposure of the application layer to the outside world makes it a prime target for a cyber attack. The application layer – layer 7 of the Open Systems Interconnection (OSI) communications model – ...