Getting a handle on the invisible part of your network—the protocols that are in use—can be of enormous value in helping you detect problems.

4] NTP (Network Time Protocol) explained NTP, like SNMP, is also an application layer protocol. Still, it is used for clock synchronization on a TCP/IP network between the hosts. The overall ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...

Layer 3 protocols and technologies allow for network-to-network communications. A Layer 3 switch is simply a Layer 2 device that also does routing (a Layer 3 function).

There’s an often-impenetrable alphabet soup of protocols, standards and technologies around the Internet of Things. Here’s our attempt to wipe away some of the fog, in the hopes of making the ...

The researcher behind the five critical Cisco flaws, collectively called CDPwn, talks about why Layer 2 protocols are under-researched when it comes to security vulnerabilities.

A protocol stack is a fundamental concept in computer science and networking. It’s a structured way of organizing and managing the different components and layers of a system.

IoT protocols and communication standards refer to the vast network of devices that are connected to the Internet and can exchange data with each other. Learn more about IoT software […] ...

Discover the fundamentals of the Simple Network Management Protocol. Learn how it enhances network management and monitoring for efficient operations.