What is the OSI model? How to explain and remember its 7 layers
The layers, and what they represent, are as follows: Layer 7: Application. The Application Layer in the OSI model is the layer that is the “closest to the end user”.
Network World | From the data center to the edge
Oct 30, 2024 · Network World provides news and analysis of enterprise data center technologies, including networking, storage, servers and virtualization.
What is a network switch and how does it work?
Apr 11, 2024 · A network switch is a physical device that operates at the Data Link layer of the Open Systems Interconnection (OSI) model — Layer 2. It takes in packets sent by devices that are connected to ...
What is IoT? The internet of things explained | Network World
Feb 27, 2024 · Credit: Thinkstock. The internet of things (IoT) is a catch-all term for the growing number of electronics that aren’t traditional computing devices, but are connected to the internet to send ...
DNS explained: How the Domain Name System works
The Domain Name System (DNS) is one of the foundations of the internet, working in the background to match the names of web sites that people type into a search box with the corresponding IP ...
What is MPLS, and why isn’t it dead yet? | Network World
What is MPLS in networking? Multi-protocol label switching (MPLS) is a tried and true networking technology that has powered enterprise networks for over two decades. Unlike other network ...
10 most powerful Wi-Fi vendors - Network World
Apr 21, 2022 · Cisco, HPE-Aruba, Ubiquiti, CommScope are driving the transition from Wi-Fi 5 to Wi-Fi 6 and beyond with automation, AI and machine learning. The global Wi-Fi market is expected to grow by 65% to ...
802.11x: Wi-Fi standards and speeds explained | Network World
The big news in wireless is the expected ratification of Wi-Fi 7 (802.11be) by the IEEE standards body early this year. Some vendors are already shipping pre-standard Wi-Fi 7 gear, and the Wi-Fi ...
What is a VLAN and how does it work? - Network World
May 25, 2022 · A VLAN is a logical subnetwork of devices in a broadcast domain that is partitioned by network switches and/or network management software to act as its own distinct LAN. Switches that support ...
What is a virtual machine, and why are they so useful?
May 3, 2024 · A virtual machine (VM) is software that runs programs or applications without being tied to a physical machine. In a VM instance, one or more guest machines can run on a host computer. Each VM has ...