Reading Time-approximately: 7 minutesAn all-flash array (AFA), also known as a solid-state storage disk system or a solid-state array, is an external storage array that uses only flash media for persistent storage. By Garry Kranz and Brien Posey Flash memory is used in place of the spinning hard disk drives (HDDs) that have long been associated with networked storage systems. Vendors that sell all-flash arrays usually
Reading Time-approximately: 5 minutesThe Advanced Host Controller Interface (AHCI) 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
Reading Time-approximately: < 1 minuteLinear Tape Open (LTO) LTO-7 Type M technology is the ability of the LTO-8 drive to write 9 TB on a brand new LTO-7 cartridge instead of 6 TB as specified by the LTO-7 format. By Tekmart Enterprise Support Team LTO tape can provide years of protection at a much lower cost than other storage solutions. With Linear Tape File
Reading Time-approximately: 4 minutesThe most important and often overlooked criteria when evaluating data centers is power. In this article, we will examine all of the important power terminology and calculations that you need to know before starting your colocation project. Courtesy Post: By Bob West There are many considerations when selecting a data center facility or colocation provider such as location, security, and support.
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: 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: 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
Reading Time-approximately: 2 minutesLearn what five-nines availability means and discover the steps enterprises should take to make sure network services are fully accessible. By Chuck Moozakis Five-nines availability — or 99.999% — is the percentage of time a network component or service is accessible to a user in a given period, usually defined as a year. The migration from private networks to cloud
Reading Time-approximately: 3 minutesSFP ports enable Gigabit switches to connect to a wide variety of fiber and Ethernet cables in order to extend switching functionality throughout the network. By David Jacobs and Chris Partsenidis Small form-factor pluggable, or SFP, devices are hot-swappable interfaces used primarily in network and storage switches. The SFP ports on a switch and SFP modules enable the switch to
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.
For more information on COVID-19 and government regulation: Click here
Emergency Hotline: 0800 029 999 WhatsApp Support Line: 0600-123456