Networking

Networking news, analysis, research, how-to, opinion, and video.

abstract wireless communication network

5G won’t cope, terahertz will provide more bandwidth

Researchers say 5G won't be able to accommodate the growing demand for bandwidth. Terahertz-frequency networks, with their larger capacity and smaller power needs, will be the better option.

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How to negotiate a Cisco Enterprise Agreement that works for you

Cisco Enterprise Agreements (“EAs”) are becoming an increasingly popular vehicle for purchasing and consuming software products and services from Cisco. The general concept is that – rather than purchasing individual software...

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Alcatel-Lucent Enterprise’s new Wi-Fi products are 'Stellar'

Alcatel-Lucent Enterprise's new Stellar Wi-Fi products complement its Aruba OEM agreement and offer customers price-competitive solutions that are easy to deploy and manage.

virtualization

What is NFV and what are its cost, performance and scaling benefits?

Network functions virtualization (NFV) uses commodity servers to replace specialized network appliances for more flexible, efficient and scalable services.

obstacle course climb

How to overcome infrastructure firefighting and other distractions

There are many obstacles that can keep IT professionals from the mission-critical parts of their job, steering them off track of their strategic IT roadmap. But there are ways to regain control.

Wi-Fi tools

Mean time to innocence – using AI to uncover the truth behind perceived WiFi issues

AI replaces manual WiFi management tasks with automated intelligence and provides deep insight that helps identify and fix problems faster than ever before.

hybrid clouds

Multicloud mania: what to know

Multicloud puts more emphasis than ever on connectivity itself, which makes networking itself more relevant.

3 networks fiber optic

Internet slowdowns might become a thing of the past

A new way of providing the same optical bandwidth optimization as one sees in huge-scale core networks could appear in homes and small businesses.

Wi-Fi tools

REVIEW: 5 top hardware-based Wi-Fi test tools

Software tools for testing Wi-Fi can run on a laptop, but dedicated hardware tools offer the convenience of a sometimes less cumbersome form-factor that are compact enough to fit in the pouch of a laptop bag. This article looks at...

open source alternatives routing firewall 1

How to eliminate the default route for greater security

If portions of enterprise data-center networks have no need to communicate directly with the internet, then why do we configure routers so every system on the network winds up with internet access by default? Part of the reason is...

data center network security endpoint security big data

Cisco brings intent-based networks to the data center

Cisco announced this week it is bringing its intent-based network (IBN) system to the data center. In doing so, it is adding a third leg to the IBN stool -- assurance.

Networking globe

Choosing ISPs for SD-WAN: don’t be pound foolish

I was in the local Best Buy the other day and overheard a conversation between a saleswoman and a father looking to buy a computer for his daughter. Apparently, the daughter is a designer, which of course requires lots of heavy...

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Aruba v Aerohive in customer reviews

Users of Aruba and Aerohive's wireless gear comment on what they like and what they don't based on their first-hand experiences.

super computer network server

A software defined network requires reinventing IT devops

The journey of developing a pervasive network that reduces operating costs while enabling the competitive advantages of a modern digital enterprise starts with the vision and commitment of management.

wifi patternwi fi

802.11: Wi-Fi standards and speeds explained

In the world of wireless, the term Wi-Fi is synonymous with wireless access in general, despite the fact that it is a specific trademark owned by the Wi-Fi Alliance, a group dedicated to certifying that Wi-Fi products meet the...

sd-wan

4 questions to ask before deploying SD-WAN

What do you need to deploy an SD-WAN to meet your business connectivity needs?

networking

Prepare your digital enterprises for 2018

Embracing small-scale automation processes or changes to your existing network infrastructures will put you well on your way to meeting long-term business goals for the coming year.

Network World - Insider Exclusive [Winter 2018] - Intent-Based Networking [IBN] - cover

Getting grounded in intent-based networking

This package provides essential information to help networking pros weigh if and when to jump in on IBN.

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Cisco adds new capabilities to its IBN infrastructure

Cisco has advanced its intent-based networking gear so now it can both verify that networks are actually running according to the intentions set by admins and also so it can help to find and resolve network problems faster on both...

future wifi

What is MU-MIMO and why you need it in your wireless routers

MU-MIMO (which stands for multi-user, multiple input, multiple output) was created to support environments where multiple users are trying to access a wireless network at the same time. With the expected release of 802.11ax, MU-MIMO...

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