Networking: Page

Network-as-a-service business model options take shape

As network as a service gains traction, enterprises and service providers must consider multiple deployment models. SD-WAN, SASE, SDN and policy management could all play a role.

By Tom Nolle • April 26, 2021

4 attributes key to network-as-a-service model

For a network-as-a-service model to work for the enterprise, it needs to offer four key attributes: an application-specific, elastic, secure and personalized VPN.

By Tom Nolle • April 23, 2021

Sometimes I get a message, ‘specified port already open.’ What does it mean?

Find out what error messages 'the specified port is already open' or 'the specified port is already in use' mean, and learn how to troubleshoot and fix them.

By Terry Slattery • April 22, 2021

Network capacity planning best practices for return to office

As workers grow comfortable enough to return to the office, network teams will need to plan in advance to make sure the network is ready and ensure proper performance.

By Andrew Froehlich • April 20, 2021

Aruba product integrations advance its SASE strategy

Aruba's latest SASE-related integrations involve the Silver Peak-based SD-WAN, Threat Defense and the ClearPass Policy Manager. More product integrations are likely.

By Mike Gleason • April 16, 2021

What does a network infrastructure upgrade project involve?

Explore the steps organizations must take to upgrade their network infrastructure, including how to tell if an upgrade is necessary and how to evaluate resources for the project.

By Andrew Froehlich • April 15, 2021

Wi-Fi 6 rollout requires careful review of network devices

Wi-Fi 6 is just one part of the overall enterprise network. Organizations need to evaluate several network components to ensure a smooth Wi-Fi 6 deployment.

By Lee Badman • April 14, 2021

Network layer

Located at Layer 3 of the Open Systems Interconnection (OSI) communications model, the primary function of the network layer is to move data into and through other networks.

By Andrew Froehlich • April 13, 2021

How cloud-native networking will transform infrastructure

Cloud-native networking aims to prioritize business needs and enable networks to become more efficient. Learn more about the potential benefits and challenges in this expert Q&A.

By Michaela Goss • April 12, 2021

The role of network observability in distributed systems

Network observability sounds like a new term for an existing practice, but is that the case? This chapter excerpt lays out what observability is and everything you need to know.

By Michaela Goss, O'Reilly Media • April 12, 2021

Common network vulnerabilities and how to prevent them

It's not possible to eliminate all network vulnerabilities, but network teams can implement best practices to limit potential attacks and protect their networks.

By David Jacobs • April 9, 2021

Arista simplifies network management in latest CloudVision

Arista's CloudVision 2021 has better analytics for spotting network congestion and a dashboard for monitoring Microsoft 365, Salesforce, Google Workspace and other applications.

By Antone Gonsalves • April 8, 2021

SASE options for the branch of one -- work from anywhere

More than ever, enterprises need to support individual employees that make up a branch of one. These setups require reliable connectivity, application performance and security.

By Lee Doyle • April 8, 2021

Modern network infrastructure design taps security, flexibility

As workers return to office settings, organizations may have to update their on-premises network infrastructure design to improve scalability and connectivity.

By John Burke • April 7, 2021

Zoom 101: 13 tips and tricks for better meetings

While video conferencing using Zoom has taken off, you may be unsure of how some basic features work. Here are some tips and tricks to get you started.

By Sarah Amsler • April 7, 2021

Verizon, AWS launch mobile edge computing platform

The AWS, Verizon mobile edge computing offering is a managed service that combines private 5G connectivity with AWS Outposts.

By Antone Gonsalves • April 6, 2021

VMware SD-WAN by VeloCloud optimizes edge device connectivity

VMware's SD-WAN product provides optimized edge device connectivity to deliver workloads and data to end users, but a few issues dampen its benefits.

By Alastair Cooke • April 5, 2021

How cloud-based network monitoring tools expand visibility

Organizations have become even more distributed and virtual in the wake of COVID-19. Cloud-based network monitoring is well suited to keep tabs on network performance.

By Amy DeCarlo • April 5, 2021

How are network operations center responsibilities changing?

If your network operations center responsibilities haven't changed yet due to evolutions like DevOps and edge computing, they likely will soon. Here's what you need to know.

By Andrew Froehlich • April 2, 2021

Best practices for VPN traffic monitoring

VPNs are still a critical part of many enterprise remote access strategies. Networks teams that monitor VPN traffic should look at factors like application usage and overhead.

By Paul Kirvan • April 2, 2021

3G (third generation of mobile telephony)

3G refers to the third generation of cellular technology that enables mobile telephony.

By Sean Kerner , Lisa Phifer • April 2, 2021

5 basic steps for effective cloud network security

In hybrid infrastructures, old network security systems won't work. Enterprises must adopt effective cloud network security strategies to keep their assets safe.

By Amy DeCarlo • April 1, 2021

Cisco integrates ThousandEyes with AppDynamics, Catalyst

The latest Cisco ThousandEyes integration adds internet intelligence to the AppDynamics application performance dashboard, a plus for AppOps and NetOps teams in Cisco shops.

By Antone Gonsalves • April 1, 2021

RFID (radio frequency identification)

RFID (radio frequency identification) is a form of wireless communication that incorporates the use of electromagnetic or electrostatic coupling in the radio frequency portion of the electromagnetic spectrum to uniquely identify an object, animal or person.

By Sarah Amsler , Sharon Shea • March 31, 2021

Cisco network as a service for hybrid clouds on the horizon

Cisco's first network-as-a-service product will deliver hybrid cloud infrastructure. The company plans to start selling the NaaS offering and an all-in-one SASE product this year.

By Antone Gonsalves • March 30, 2021