Reading Time-approximately: 4 minutesTRIM is a command for the ATA interface. As you use your drive, changing and deleting information, the SSD needs to make sure that invalid information is deleted and that space is available for new information to be written. Trim tells your SSD which pieces of data can be erased. By Carol Sliwa SSD TRIM is an Advanced Technology Attachment
Reading Time-approximately: 5 minutesThe Advanced Host Controller Interface and RAID are fundamental concepts for running an efficient data management and storage infrastructure. Learn the AHCI and RAID basics. By Scott D. Lowe and Brien Posey Even in this age of SSDs, IT still works with technologies developed in the last century. These techs include the Advanced Host Controller Interface and redundant arrays of
Reading Time-approximately: 4 minutesWhat many user organisations might be unware of is that, in isolation, SLAs are pretty meaningless as an availability metric or measurement tool. By Stuart Burns The IT industry is awash with credible metrics that are used to measure performance, efficiency, resiliency and a load of other important infrastructure characteristics that are routinely used and abused by suppliers in their
Reading Time-approximately: 3 minutesUnplanned downtime can lead to serious consequences, including reputational harm, revenue loss and extra IT costs. Use these tips to plan for the unexpected. By John Edwards Downtime is costly for any organization. Just how costly depends on many factors, including how long the downtime lasts, when it occurs, and, perhaps most importantly, whether the downtime was planned or unplanned.
Reading Time-approximately: 3 minutesAll networks may be different, but companies have similar goals when they look to upgrade their network infrastructures. Assessing current designs is just the first step. By Andrew Froehlich Not surprisingly, the term infrastructure modernization means different things to different people. After all, no two enterprise network infrastructures are designed and built with the same business goals in mind. However, newly architected
Reading Time-approximately: 3 minutesCRC-4 (Cyclic Redundancy Check 4) is a form of cyclic redundancy checking — a method of checking for errors in transmitted data — that is used on E1 trunk lines. By Rahul Awati Through multiplication and division processes, the CRC-4 bits sent in each SMF are compared to each other. If they match, the frame is considered error-free. Bit 1 is used for the
Reading Time-approximately: 7 minutesNetwork bandwidth is a measurement indicating the maximum capacity of a wired or wireless communications link to transmit data over a network connection in a given amount of time. By Andrew Froehlich and Kevin Ferguson Typically, bandwidth is represented in the number of bits, kilobits, megabits or gigabits that can be transmitted in 1 second. Synonymous with capacity, bandwidth describes data
Reading Time-approximately: 5 minutesA session key is an encryption and decryption key that is randomly generated to ensure the security of a communications session between a user and another computer or between two computers. By TechTarget Contributor Session keys are sometimes called symmetric keys because the same key is used for both encryption and decryption. The session key is used for only one session. It is then discarded, and
Reading Time-approximately: 7 minutesWrite endurance is the number of program/erase (P/E cycles) that can be applied to a block of flash memory before the storage media becomes unreliable. By Tekmart Africa Enterprise Support Team The Remaining Rated Write Endurance Threshold feature is supported on PCIe and SAS/SATA SSDs. The Remaining Rated Write Endurance Threshold feature provides added feature functionality in managing the threshold level
Reading Time-approximately: 2 minutesCustomer premises equipment (CPE) is telecommunications and information technology equipment kept at the customer’s physical location rather than on the service provider’s premises. By Katie Terrell Hanna Telephone handsets, cable TV set-top boxes and Digital Subscriber Line (DSL) routers are examples of CPEs. Connectivity is established through a carrier’s telecommunication circuit at a demarcation point, or demarc. The demarc point is typically a central office
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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