Reading Time-approximately: 3 minutesEven though they have common traits, there is a difference between a Layer 3 switch and a router. Each plays a key role in making sure packets get sent to their proper destination. By Andrew Froehlich To determine the difference between a Layer 3 switch and a router, it’s helpful to understand how routing works in an enterprise network. Routing
Reading Time-approximately: 2 minutesWhile VLANs are a type of subnet, they have their own unique capabilities and characteristics that differentiate them from subnets. However, the OSI model plays a major role in both. By Andrew Froehlich A prevailing question that many new network administrators ask is the difference between virtual LANs — or VLANs — and IP subnetworks, or subnets. While instances occur
Reading Time-approximately: 8 minutesNVMe (non-volatile memory express) is a host controller interface and storage protocol created to accelerate the transfer speed of data between enterprise and client systems and solid-state drives (SSDs) over a computer’s high-speed Peripheral Component Interconnect Express (PCIe) bus. Posted by: Margaret Rouse WhatIs.com Contributor(s): Rich Castagna; Carol Sliwa As solid-state technology became the preferred medium in the storage market, it quickly became clear that existing interfaces
Reading Time-approximately: 6 minutesSAS and NVMe both play significant roles in enterprise storage. See how the two interfaces stack up in terms of performance, scalability, flexibility, manageability and the future. By Stacey Peterson As NVMe SSDs make inroads into the enterprise market, the question remains: What’s in store for SAS drives? While they don’t provide the performance enhancements and latency reduction of NVMe SSDs, they
Reading Time-approximately: 5 minutesCloud infrastructure refers to the hardware and software components — such as servers, storage, a network, virtualization software, services and management tools — that support the computing requirements of a cloud computing model. Posted by: Margaret Rouse WhatIs.com Contributor(s): James Montgomery; Kurt Marko; Nicholas Rando; Beth Pariseau; Alex Barrett Cloud infrastructure also includes an abstraction layer that virtualizes and logically presents resources and services to
Reading Time-approximately: 5 minutesBefore selecting a SAN product, learn which features seven market-leading storage vendors provide organizations of all sizes and how they distinguish their products. By Robert Sheldon Choosing a storage area network can be a daunting task when comparing products and trying to understand their differences. IT decision-makers must consider a range of factors, including scalability, performance, availability, management and data
Reading Time-approximately: 8 minutesNetwork design tools help architects map out the company infrastructure but only with the right product. Explore these eight vendors and their tools to make the right buy. By Andrew Froehlich Network architects must have the right tools on hand to create a manual network diagram. While automated tools can dynamically build maps of existing network infrastructures, architects use vector graphic tools
Reading Time-approximately: 4 minutesThe nature of the cloud market demands innovation, and custom hardware might be the next move for the major vendors in this space. Experts weigh in on the key drivers of this shift. By George Lawton Initially, public clouds were built on generic hardware to cut costs and operate at massive scale — but that’s changing. A shift toward highly scalable
Reading Time-approximately: 3 minutesIf we learned anything from 2020, it’s to expect the unexpected. Yet that doesn’t stop analysts from trying to predict what’s to come in the world of cloud computing this year. By Sara Grier At the end of every year, top IT analyst firms make cloud predictions for the 12 months ahead. Suffice it to say, no IT analysts predicted
Reading Time-approximately: 2 minutesAnnual survey of IT leaders finds network security is of prime concern as most companies continue with work-from-home policies. By Joe O’Halloran As lockdowns and stay-at-home orders persist, protecting the remote workforce will be enterprises’ prime focus in 2021. But as enterprises continue working remotely with very few making a complete return to the office, securing the remote workforce is
What is COVID-19?
On 31 December 2019, the World Health Organization (WHO) reported a cluster of pneumonia cases in Wuhan City, China. ‘Severe Acute Respiratory Syndrome Coronavirus 2’ (SARS-CoV-2) was confirmed as the causative agent of what we now know as ‘Coronavirus Disease 2019’ (COVID-19). Since then, the virus has spread to more than 100 countries, including South Africa.
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