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 ...

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 ...

Technology people are generally familiar with the Open SystemsInterconnection model for computer networks and protocols, oftenreferred to as the OSIReference Model (ISO 7498)[1].The Basic Reference ...

The line between middleware and application software is blurred, which is why this chapter introduces both together. Middleware is software that has been abstracted out of the application layer for a ...

The Open System Interconnect (OSI) network model, referred to by many as simply a stack, is in fact a well-designed, layered architecture for efficient intersystem and intrasystem communications. In ...

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 third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer, Layer 2 is cool but Layer 3 ...