This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter’s approach. The application layer of the ...

For many in the communication industry, the open system interconnect (OSI) network model is a simply a stack. But, designers shouldn't be so quick to diminish the value that the OSI model provides to ...

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 ...

Other tips in this series have examined the seven-layer OSI model from the perspective of security. Although security was not the No. 1 goal of the designers of the OSI model, the idea behind these ...

The threat of cyber attacks from both external and internal sources is growing daily. A denial of service, or DoS, attack is one of the most common. DoS have plagued defense, civilian and commercial ...

With the upheavals of the past 15 months, it’s not surprising that the industry is placing so much emphasis on what old-timers used to call “Layer 8” of the seven-layer OSI stack. For those who didn’t ...

Layer 2 of the OSI model is where we find the Data Link Layer, which provides the mechanism by which data is transferred from node to node across a network. What makes this layer important is that it ...