Networking: Page

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.

By Jennifer English, Pearson Education • Sept. 10, 2021

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.

By Jennifer English • Sept. 10, 2021

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.

By Andrew Froehlich • Sept. 10, 2021

Exium offers 5G network security to IBM EAM

Exium is IBM's latest partner in 5G network security. Enterprises have the option of using Exium's network as a service with the IBM Edge Application Manager.

By Antone Gonsalves • Sept. 9, 2021

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).

By Alexander Gillis • Sept. 9, 2021

serial digital interface (SDI)

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

By Andrew Froehlich • Sept. 7, 2021

trunk (trunking)

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

By John Burke, Garry Kranz • Sept. 7, 2021

How remote work changes the future of network management

The pandemic ushered in a new normal of hybrid workplaces. What's also new is how network teams manage these remote networks, like using zero-trust security models.

By Andrew Froehlich • Sept. 1, 2021

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.

By Gavin Wright • Aug. 27, 2021

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 Datagram Protocol (UDP).

By Robert Sheldon • Aug. 27, 2021

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.

By Robert Sheldon • Aug. 27, 2021

Comcast Business to acquire network service provider Masergy

Masergy could bring needed midsize to large enterprise business to Comcast Business. Masergy, based in Plano, Texas, provides managed SD-WANs, cloud security and UCaaS.

By Antone Gonsalves • Aug. 26, 2021

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.

By Jennifer English • Aug. 26, 2021

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.

By Robert Sheldon • Aug. 26, 2021

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.

By Gavin Wright • Aug. 26, 2021

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.

By Peter Loshin, Katie Terrell Hanna • Aug. 25, 2021

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.

By Rahul Awati • Aug. 25, 2021

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.

By Deanna Darah, Pearson Education • Aug. 23, 2021

Synchronous Digital Hierarchy (SDH)

Synchronous Digital Hierarchy (SDH) is a group of fiber optic transmission rates that transport digital signals with different capacities.

By Andrew Zola • Aug. 23, 2021

Virtualization concepts to study for CCNP and CCIE exams

In this Q&A, author Patrick Gargano discusses the importance of virtualization in networking and offers studying advice for aspiring CCNPs and CCIEs in preparation for the exams.

By Deanna Darah • Aug. 23, 2021

bit stuffing

Bit stuffing refers to the insertion of one or more bits into a data transmission as a way to provide signaling information to a receiver.

By Katie Terrell Hanna • Aug. 20, 2021

file server

A file server is a computer responsible for the storage and management of data files so that other computers on the same network can access the files.

By Gavin Wright • Aug. 19, 2021

Plain Old Telephone Service (POTS)

Plain Old Telephone Service (POTS) refers to the traditional, analog voice transmission phone system implemented over physical copper wires (twisted pair).

By Rahul Awati • Aug. 19, 2021

Power over Ethernet (PoE)

Power over Ethernet (PoE) is a technology for implementing wired Ethernet local area networks (LANs) that enables the electrical current necessary for operating each device to be carried by Ethernet data cables instead of standard electrical power cords and wiring.

By Mary Shacklett • Aug. 19, 2021

Video conferencing etiquette: 14 tips for success

Some etiquette tips include wearing suitable clothes, choosing an appropriate background and muting yourself when not speaking.

By Andy Patrizio • Aug. 19, 2021