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• full-duplex

  Full-duplex data transmission means that data can be transmitted in both directions on a signal carrier at the same time. Continue Reading

• MRAM (magnetoresistive random access memory)

  MRAM (magnetoresistive random access memory) is a method of storing data bits using magnetic states instead of the electrical charges used by devices such as dynamic random access memory (DRAM). Continue Reading

• An introduction to TDD benefits, risks and examples

  Programmers, looking to implement -- or improve -- your team's TDD practices? Review the fundamentals and examples below to remember how TDD can be a benefit and not a burden. Continue Reading

• storage volume

  A storage volume is an identifiable unit of data storage. It can be a removable hard disk, but it does not have to be a unit that can be physically removed from a computer or storage system. Continue Reading

• Variable Length Subnet Mask (VLSM)

  Variable Length Subnet Mask (VLSM) is a subnet -- a segmented piece of a larger network -- design strategy where all subnet masks can have varying sizes. Continue Reading

• Definitions to Get Started

  • What is an API (application programming interface)?
  • What is a SAN? Ultimate storage area network guide
  • What is a data retention policy?
  • What is multi-access edge computing? Benefits and use cases

  • What is 5G?
  • What is 6G? Overview of 6G networks & technology
  • phase-locked loop (PLL)
  • What is millimeter wave (mmWave)?

  View All Definitions

• storage capacity planning

  Storage capacity planning is the practice of assessing current data storage needs and forecasting future storage requirements.Continue Reading

• non-volatile storage (NVS)

  Non-volatile storage (NVS) is a broad collection of technologies and devices that do not require a continuous power supply to retain data or program code persistently on a short- or long-term basis.Continue Reading

• Seebeck effect

  The Seebeck effect is a phenomenon in which a temperature difference between two dissimilar electrical conductors or semiconductors produces a voltage difference between the two substances.Continue Reading

• dynamic multipoint VPN (DMVPN)

  A dynamic multipoint virtual private network (DMVPN) is a secure network that exchanges data between sites/routers without passing traffic through an organization's virtual private network (VPN) server or router located at its headquarters.Continue Reading

• What is foo (in software programming)?

  Foo (pronounced FOO) is a term used by programmers as a placeholder for a value that can change depending on conditions or on information passed to the program.Continue Reading

• 3 VMware disk types you should know: Raw, thick and thin

  Raw, thick and thin disks offer portability and file storage efficiency. But each type has its pros and cons, including slower write speeds, less security and increased capacity.Continue Reading

• What is open API (public API)?

  Review this definition to learn about open APIs, also known as a public APIs, including their associated benefits, industry use cases and unique attributes.Continue Reading

• CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance)

  CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) is a protocol for carrier transmission in 802.11 networks.Continue Reading

• Learn to work with the Microsoft Graph Security API

  The API assists organizations that want to connect their security systems with a programmatic way to produce quicker results when performing investigations.Continue Reading

• virtual network adapter

  A virtual network adapter is software that operates like a physical network adapter within the host operating system (OS) or through an application installed on the endpoint or server.Continue Reading

• network analyzer (protocol analyzer or packet analyzer)

  A network analyzer -- also called a network protocol analyzer or packet analyzer -- is a software application, dedicated appliance or feature set within a network component used in network performance troubleshooting or to enhance protection against...Continue Reading

• What is Enterprise Service Bus (ESB)?

  An enterprise service bus (ESB) is a software platform used to distribute work among connected components of an application.Continue Reading

• Amazon Simple Queue Service (SQS)

  Amazon Simple Queue Service (SQS) is a managed message queuing service technical professionals and developers use to send, store and retrieve multiple messages of various sizes asynchronously.Continue Reading

• COBOL (Common Business Oriented Language)

  COBOL (Common Business-Oriented Language) is a high-level programming language for business applications. It was the first popular language designed to be operating system-agnostic and is still in use in many financial and business applications ...Continue Reading

• What is a virtual hard drive?

  A virtual hard drive file is a container file that acts similar to a physical hard drive.Continue Reading

• virtual private server (VPS) or virtual dedicated server (VDS)

  A virtual private server (VPS), also called a virtual dedicated server (VDS), is a virtual server that appears to the user as a dedicated server, but that is actually installed on a computer serving multiple websites.Continue Reading

• Amazon Braket

  Amazon Braket is a fully managed AWS cloud service designed to allow users remote access to a single development environment for quantum computers.Continue Reading

• Amazon VPC traffic mirroring

  Traffic mirroring is a feature for Amazon Virtual Private Cloud (Amazon VPC). The feature is used to monitor the network-level traffic of workloads.Continue Reading

• Agile retrospective

  An Agile retrospective is a meeting that's held at the end of an iteration in Agile software development.Continue Reading

• Linux operating system

  Linux is a Unix-like, open source and community-developed operating system (OS) for computers, servers, mainframes, mobile devices and embedded devices.Continue Reading

• dependency hell

  Dependency hell is a negative situation that occurs when a software application is not able to access the additional programming it requires to work.Continue Reading

• Boot2Docker

  Boot2Docker is a minimalist Linux distribution with the sole purpose to run Docker containers. It was depreciated and is no longer recommended for use.Continue Reading

• computer hardware

  Computer hardware is a collective term used to describe any of the physical components of an analog or digital computer.Continue Reading

• What is DevOps 2.0?

  DevOps 2.0 is the extension of DevOps practices through the entire organization, beyond development and IT ops.Continue Reading

• Layer Two Tunneling Protocol (L2TP)

  Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol (PPTP) used by an internet service provider (ISP) to enable the operation of a virtual private network (VPN) over the internet.Continue Reading

• Why QLC flash adoption now benefits the enterprise

  While enterprises must overcome some obstacles with QLC, there is a solid case for its use. 3D NAND has played a big part in enabling QLC use within the enterprise.Continue Reading

• cache

  A cache -- pronounced CASH -- is hardware or software that is used to store something, usually data, temporarily in a computing environment.Continue Reading

• Remote access vs. site-to-site VPN: What's the difference?

  A remote access VPN connects remote users from any location to a corporate network. A site-to-site VPN, meanwhile, connects individual networks to each other.Continue Reading

• Class of Service (CoS)

  Class of Service (CoS) is a way of managing traffic in a network by grouping similar types of traffic -- such as email, streaming video, voice over IP and large document file transfer -- together and treating each type as a class with its own level ...Continue Reading

• branching

  Branching is the practice of creating copies of programs or objects in development to work in parallel versions, retaining the original and working on the branch or making different changes to each.Continue Reading

• What is Application Performance Index (Apdex)?

  Application Performance Index, also known as Apdex, is an open standard intended to simplify reports of application performance.Continue Reading

• 10BASE-T

  10BASE-T is an Ethernet standard for local area networks and one of several physical media specified in the Institute of Electrical and Electronics Engineers (IEEE) 802.3 standard.Continue Reading

• frequency-shift keying (FSK)

  Frequency-shift keying (FSK) is a method of transmitting digital signals using discrete signals.Continue Reading

• subcarrier

  A subcarrier is a secondary modulated signal frequency modulated into the main frequency (the carrier) to provide an additional channel of transmission.Continue Reading

• How to create EC2 custom metrics with Amazon CloudWatch

  Amazon CloudWatch provides useful monitoring information with its built-in capabilities, but for additional data, it might be time to consider custom metrics.Continue Reading

• internet metering

  Internet metering is a service model in which an internet service provider (ISP) keeps track of bandwidth use and charges users accordingly.Continue Reading

• Learn the basics of virtual server security software selection

  There are multiple factors in choosing the right security software for VMs and virtual infrastructure. Get familiar with potential threats, features to have and market offerings.Continue Reading

• What is Amazon Elastic Container Registry (Amazon ECR)?

  Amazon Elastic Container Registry (Amazon ECR) is an Amazon Web Service (AWS) product that stores, manages and deploys Docker images, which are managed clusters of Amazon EC2 instances.Continue Reading

• yottabyte (YB)

  A yottabyte (YB) is a measure of theoretical storage capacity and data volumes equal to 2 to the 80th power bytes, or approximately a million trillion megabytes (MB).Continue Reading

• Get to know the new Exchange admin center features

  After a lengthy development process, Microsoft unveiled its new admin portal for Exchange Online for a more consistent look with other management areas in Office 365.Continue Reading

• bottleneck

  A bottleneck, in a communications context, is a point in the enterprise where the flow of data is impaired or stopped entirely.Continue Reading

• CDN vs. cloud computing: What's the difference?

  Content delivery networks and cloud computing architectures may appear to serve the same function. But each has a specific role to play when distributing content.Continue Reading

• 8 fundamental microservices security best practices

  Despite the benefits, microservices will introduce profound security issues. We review the biggest microservices security challenges and eight strategies used to combat them.Continue Reading

• Considerations for sustainable data center design

  To design a green, sustainable data center, consider methods to improve energy conservation and efficiency. Then, look into green -- or greener -- energy source alternatives.Continue Reading

• tiered storage

  Tiered storage is a method for assigning different categories of data to various types of storage media to reduce overall storage costs and improve the performance and availability of mission-critical applications.Continue Reading

• optical storage

  Optical storage is any storage type in which data is written and read with a laser.Continue Reading

• circuit switching

  Circuit switching is a type of network configuration in which a physical path is obtained and dedicated to a single connection between two endpoints in the network for the duration of a dedicated connection.Continue Reading

• frame relay

  Frame relay is a packet-switching telecommunications service designed for cost-efficient data transmission for intermittent traffic between local area networks (LANs) and between endpoints in wide area networks (WANs).Continue Reading

• Ways to speed up white box networking adoption

  Most organizations are slow to deploy new techniques, white box networking included. Experts explain why and offer advice on how to speed up adoption across enterprises.Continue Reading

• 100 Gigabit Ethernet (100 GbE)

  100 Gigabit Ethernet (100 GbE) is an Ethernet standard that supports data speeds of up to 100 billion bits (gigabits) per second (Gbps).Continue Reading

• Next Hop Resolution Protocol (NHRP)

  Next Hop Resolution Protocol (NHRP) is an automated configuration technology that routes data on a distributed network by discovering the best routing path between endpoints.Continue Reading

• What is an edge router?

  An edge router is a specialized router located at a network boundary that enables an internal network to connect to external networks.Continue Reading

• Working with the Microsoft Defender for Identity portal

  The security product, formerly Azure Advanced Threat Protection, taps into the cloud to uncover suspicious activity across the on-premises network.Continue Reading

• How to assign Microsoft Teams policies with PowerShell

  The admin center lags behind PowerShell when it comes to Microsoft Teams policy management due to the automation tool's superior logging and visibility features.Continue Reading

• JBOD (just a bunch of disks)

  JBOD, which stands for 'just a bunch of disks,' is a type of multilevel configuration for disks.Continue Reading

• runbook

  Runbooks are a set of standardized written procedures for completing repetitive IT processes within a company.Continue Reading

• Joint Academic Network (JANET)

  The Joint Academic Network (JANET) is an internal, high-speed computer network that links the U.K. education and research community.Continue Reading

• visitor-based networking (visitor-based network)

  Visitor-based networking (VBN) is a computer network with high-speed internet access provided by an organization for temporary use by visitors, guests or other users in a public area.Continue Reading

• Follow 6 key steps to deploy microservices in production

  To succeed with microservices, IT organizations need to rethink the way they design and deploy applications -- and not all the necessary changes are technical ones.Continue Reading

• Why and how to use eBPF for Kubernetes scaling

  Scaling Kubernetes clusters has always been a challenge -- but eBPF makes the process smoother with service-specific monitors and a lack of special instrumentation.Continue Reading

• How businesses can manage Microsoft 365 storage space

  While Microsoft 365 users face storage limits across the platform, there are ways to increase capacity. It's also important to understand the limits in the first place.Continue Reading

• refactoring

  Refactoring is the process of restructuring code, while not changing its original functionality.Continue Reading

• Working with Docker Compose? Use environmental variables

  Docker Compose streamlines container application deployments. Dig into the tool and see how the use of environment variables can hone the process further.Continue Reading

• Service Profile Identifier (SPID)

  In telecommunications, a Service Profile Identifier (SPID) is a number assigned by a phone company to a terminal on an Integrated Services Digital Network (ISDN) B-channel.Continue Reading

• deep packet inspection (DPI)

  Deep packet inspection (DPI) is an advanced method of examining and managing network traffic.Continue Reading

• The role of smartNICs in modern enterprise networks

  This chapter excerpt from 'Building a Future-Proof Cloud Infrastructure' looks at how smartNICs can support distributed services platforms for both cloud providers and enterprises.Continue Reading

• How smartNIC architecture supports scalable infrastructure

  In this Q&A, author Silvano Gai discusses how smartNICs can benefit enterprises by providing more granular telemetry and supporting distributed cloud infrastructure.Continue Reading

• How to use Google Cloud Operations suite

  Follow along to set up Google Cloud Operations' Monitoring and Logging services, try Google's Monitoring Query Language and automate dashboard creation with the API.Continue Reading

• GVRP (GARP VLAN Registration Protocol or Generic VLAN Registration Protocol)

  GVRP (GARP VLAN Registration Protocol or Generic VLAN Registration Protocol) is a standards-based protocol that facilitates control of virtual local area networks (VLANs) within a larger network.Continue Reading

• Blockchain: An immutable ledger to replace the database

  Blockchains create a secure encryption beneficial to many businesses. This article offers use cases, benefits and limitations of the electronic database.Continue Reading

• Gigabit Ethernet (GbE)

  Gigabit Ethernet (GbE), a transmission technology based on the Ethernet frame format and protocol used in local area networks (LANs), provides a data rate of 1 billion bits per second, or 1 gigabit (Gb).Continue Reading

• bare-metal restore

  A bare-metal restore (also referred to as bare-metal recovery or bare-metal backup) is a data recovery and restoration process where a computer is restored to a new machine, typically after a catastrophic failure.Continue Reading

• 7 major server hardware components you should know

  Even with software-based data center options, it's still important to know the physical components of a server. Check out these terms to refresh your memory.Continue Reading

• serial digital interface (SDI)

  Serial digital interface (SDI) is a standard for digital video and audio transmission over coaxial or fiber optic cabling.Continue Reading

• trunk (trunking)

  A network trunk is a communications line or link designed to carry multiple signals simultaneously to provide network access between two points.Continue Reading

• An eBPF tutorial to try out the bpftrace framework

  You know what eBPF is, but can you run it? This article offers a brief tutorial to demonstrate the bpftrace framework and how to install a simple eBPF program.Continue Reading

• Learn the difference between SMP vs. MPP

  Learn the differences between the main modes of multiprocessing: SMP, AMP and MPP. Each has a distinct use case that makes it suited for different data centers and organizations.Continue Reading

• Get started on Azure with this developers guide for beginners

  Developers using Microsoft Azure have a wide array of cloud services to choose from. Use this guide to understand basic tools and deployment approaches to get started on the platform.Continue Reading

• Amazon SageMaker

  Amazon SageMaker is a managed service in the Amazon Web Services (AWS) public cloud.Continue Reading

• GUID (global unique identifier)

  A GUID (globally unique identifier) is a 128-bit text string that represents an identification (ID).Continue Reading

• Step-by-step guide on how to create an IAM user in AWS

  Learn how to make an AWS IAM user and assign an access policy to the user with a few commands. This detailed tutorial includes screenshots to guide you through the steps.Continue Reading

• autonomous system (AS)

  An autonomous system (AS) in networking is a collection of one or more associated Internet Protocol (IP) prefixes with a clearly defined routing policy that governs how the AS exchanges routing information with other autonomous systems.Continue Reading

• customer proprietary network information (CPNI)

  Customer proprietary network information (CPNI) in the United States is information that telecommunications services -- such as local, long-distance and wireless telephone companies -- acquire about their subscribers.Continue Reading

• dynamic port numbers

  Dynamic port numbers, also known as private port numbers, are the port numbers that are available for use by any application to use in communicating with any other application, using the internet's Transmission Control Protocol (TCP) or User ...Continue Reading

• Amazon EMR (Elastic MapReduce)

  Amazon EMR (previously known as Amazon Elastic MapReduce) is an Amazon Web Services (AWS) tool for big data processing and analysis.Continue Reading

• CompTIA Cloud+ tips to troubleshoot cloud networks

  The CompTIA Cloud+ exam covers a range of topics, including how to secure and troubleshoot cloud networks. Some of the first steps: Start simple, and isolate the problem.Continue Reading

• storage class memory (SCM)

  Storage class memory (SCM) is a type of physical computer memory that combines dynamic random access memory (DRAM), NAND flash memory and a power source for data persistence.Continue Reading

• stateful inspection

  Stateful inspection, also known as dynamic packet filtering, is a firewall technology that monitors the state of active connections and uses this information to determine which network packets to allow through the firewall.Continue Reading

• Real-time Transport Protocol (RTP)

  Real-time Transport Protocol (RTP) is a network standard designed for transmitting audio or video data that is optimized for consistent delivery of live data.Continue Reading

• The functional programming paradigm at enterprise scale

  Many enterprise-level architects rely on an object-oriented approach, but there are good reasons and practical ways to introduce functional programming within large-scale systems.Continue Reading

• NACK (NAK, negative acknowledgment, not acknowledged)

  NACK, 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.Continue Reading

• Synchronous Data Link Control (SDLC)

  Synchronous Data Link Control (SDLC) is a transmission protocol used to synchronously transfer code-transparent, serial-by-bit data over a communications channel.Continue Reading

• 5 considerations for proper mainframe decommissioning

  As organizations decide to retire mainframe systems, IT pros should develop a plan that addresses application migration, program replatforming, data security and hardware removal.Continue Reading

• What is server sprawl and how to prevent it?

  Server sprawl is when multiple underutilized servers take up more space and consume more resources than can be justified by their workload.Continue Reading

• Explore virtualization study topics for CCNP, CCIE exams

  Aspiring CCNPs and CCIEs will need to grasp one of networking's most important topics: virtualization. 'Day 7' from Patrick Gargano's '31 Days' explains the subject in detail.Continue Reading