Networking: Page

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 of network service priority.

By Andrew Froehlich • Oct. 4, 2021

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.

By Paul Kirvan , Lisa Phifer • Oct. 4, 2021

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.

By Andrew Zola • Oct. 1, 2021

frequency-shift keying (FSK)

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

By Andrew Froehlich • Oct. 1, 2021

subcarrier

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

By Gavin Wright • Oct. 1, 2021

FCC commissioner urges more funding for satellite broadband

FCC Commissioner Nathan Simington said satellite-based wireless broadband should be available in remote areas where fiber isn't an option.

By Maxim Tamarov • Sept. 30, 2021

internet metering

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

By Rahul Awati • Sept. 30, 2021

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.

By Andrew Froehlich • Sept. 28, 2021

bottleneck

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

By Andrew Froehlich, Stephen Bigelow • Sept. 28, 2021

Best practices and tools for public cloud monitoring

Public cloud adoption has ramped up in recent years. In these busy environments, certain cloud network monitoring tools can provide IT groups with crucial visibility.

By Amy DeCarlo • Sept. 27, 2021

Automate network validation for smoother changes

Teams can verify network state before and after network changes to ensure smooth deployment of the changes. Automating those pre- and post-change checks can reduce errors and outages.

By Terry Slattery • Sept. 24, 2021

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.

By Ben Lutkevich • Sept. 23, 2021

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).

By Ben Lutkevich • Sept. 22, 2021

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.

By Deanna Darah • Sept. 22, 2021

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).

By Rahul Awati • Sept. 22, 2021

transceiver

A transceiver is a combination transmitter/receiver in a single package.

By Katie Terrell Hanna • Sept. 22, 2021

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.

By Gavin Wright • Sept. 22, 2021

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.

By Ben Lutkevich • Sept. 22, 2021

A review of Cato Networks’ SASE Cloud platform

Cato's SASE Cloud lacks some features and may require customers to replace point products to fully benefit from the platform. But Cato aligns with SASE’s cloud-native vision and is a strong contender in the market.

By Steve Garson • Sept. 21, 2021

runbook

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

By Katie Terrell Hanna • Sept. 20, 2021

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.

By Katie Terrell Hanna • Sept. 17, 2021

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.

By Gavin Wright • Sept. 17, 2021

intranet

An intranet is a private network contained within an enterprise that is used to securely share company information and computing resources among employees.

By Ben Lutkevich • Sept. 17, 2021

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.

By Gavin Wright • Sept. 14, 2021

deep packet inspection (DPI)

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

By Rahul Awati, Jessica Scarpati • Sept. 13, 2021