Reading Time-approximately: 4 minutesDHCP is a critical service, and network admins should take the time to create fault tolerance. Windows Server makes it easy to configure both failover and load balancing. By Damon Garn The role of the Dynamic Host Configuration Protocol, or DHCP, server is a simple yet critical one. DHCP provides the IP address configuration to workstations, laptops, phones and tablets connected
Reading Time-approximately: 7 minutesThis guide to network management explains the challenges of enterprise network monitoring and maintenance, best practices and next-generation automation using AI and ML. By Chuck Moozakis and Sandra Gittlen Network management is a cornerstone of IT that helps ensure enterprises run efficiently and effectively end to end. Technologies such as AI and machine learning are beginning to automate many of the functions of network administration and
Reading Time-approximately: 4 minutesA computer network is a system of computers and computing devices that are connected via communication links. By Ben Lutkevich and Kate Gerwig These links allow the computers and other devices to send information over the network. Network protocols define how information is sent and received. Networks can be defined by their geographic location, the protocols they use, the physical arrangement
Reading Time-approximately: 3 minutesData storage technology can harm the environment. Choose efficient storage strategies and green-friendly cloud providers to help reduce the environmental impact of data storage. By Paul Kirvan As many IT professionals go about their daily work, they may not consider the environmental impact of data storage, and the systems and technology they use. Data storage, both on premises and in
Reading Time-approximately: 2 minutesLoad sharing and load balancing are two techniques that work to distribute traffic across a network. However, their methods of balancing differ significantly. Here’s how. By Andrew Froehlich Load sharing and load balancing both achieve the same goal of meeting application and service delivery requirements based on traffic load. When comparing how to achieve this goal from a technical perspective,
Reading Time-approximately: < 1 minuteA computer room air conditioning (CRAC) unit is a device that monitors and maintains the temperature, air distribution and humidity in a network room or data center. By TechTarget Contributor CRAC units are replacing air-conditioning units that were used in the past to cool data centers. According to Industrial Market Trends, mainframes and racks of servers can get as hot as a
Reading Time-approximately: 4 minutesNVMe 2.0 added several features for storage administrators to consider, including domain support. The specification also made enhancements, such as to Endurance Group Management. By Jim Handy The NVMe 2.0 specification, published in June 2021, introduced changes to improve performance and to support new uses of NVMe. While NVMe originally supported only block storage, which was the way that storage
Reading Time-approximately: 2 minutesA computer room air handler (CRAH) is a device frequently used in data centers to deal with the heat produced by equipment. By Paul Kirvan Unlike a computer room air conditioning (CRAC) unit that uses mechanical refrigeration to cool the air in a data center, a CRAH uses fans, cooling coils and a water chiller system to remove heat. A typical rack of servers can
Reading Time-approximately: 3 minutesNACK, or NAK, an abbreviation for negative acknowledgment or not acknowledged, is a signal used by computers or other devices to indicate that data transmitted over a network was received with errors or was otherwise unreadable. By Katie Terrell Hanna and Peter Loshin NACK is sometimes conflated with automatic repeat request (ARQ) or with the rejected (REJ) message, though the
Reading Time-approximately: 3 minutesRoute summarization — also known as route aggregation — is a method to minimize the number of routing tables in an IP network. By Rahul Awati It consolidates selected multiple routes into a single route advertisement. This differentiates it from flat routing, in which every routing table carries a unique entry for each route. In basic terms, a route advertisement contains information that devices can use
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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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