Networking

Computer networking news, reviews, solutions, and analysis for IT professionals

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Network World's searchable glossary of wireless terms

From amplifier to wireless network topology, find concise definitions of wireless terminology

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What is DNS and how does it work?

The Domain Name System resolves the names of internet sites with their underlying IP addresses adding efficiency and even security in the process.

big basin v2

What is the Open Compute Project?

Hardware designed to Open Compute Project specification accounts for well over $1 billion in hardware sales.

Cisco Nexus 9615

Cisco emboldens its disaggregation strategy

Cisco is separating the operating system and applications from the underlying hardware, and it is making it possible to host apps on certain switches and routers.

network tester cable

REVIEW: Network test tools from Fluke, NETSCOUT and SignalTEK

Network testers are ideal for IDing bad cabling, helping to troubleshoot network issues, estimating cable lengths and determining cable rates

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Penn State secures building automation, IoT traffic with microsegmentation

Penn State chose microsegmentation technology from Tempered Networks to isolate and cloak traffic from its smart building systems, which rely on the BACnet communications protocol to share data related to HVAC, lighting, access...

Victor Peng

FPGA maker Xilinx aims new software programmable chips at data centers

Xilinx, which for decades has vied with rival Altera (now part of Intel) for technical leadership in FPGAs, is unveiling what it calls a new product category – the Adaptive Compute Acceleration Platform (ACAP) – that, it says, goes...

huawei nb-iot ecosystem mwc 2018

The internet of useful things

There are so many pointless consumer electronics devices connected to the internet these days that there's a Twitter account dedicated to mocking them. But there are more useful things that can be connected up. Here are some of our...

Cisco attacks SD-WAN with software from Viptela, Meraki acquisitions

New Cisco software will address SD-WAN challenges with help improving application performance, planning bandwidth allocation, and modeling how policy changes might affect network performance.

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Why a bare-metal cloud provider might be just what you need

Cloud services that provide nothing but server hardware can help solve application-migration, performance, customization and hardware-access problems.

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Hybrid cloud: How organizations are using Microsoft's on-premises cloud platform

Azure Stack is Microsoft's on-premises version of its Azure cloud service, enabling customers to hold sensitive information within their own facilities but with the ability to reach the Azure public cloud, too.

wireless network - industrial internet of things edge [IoT] - edge computing

How to deal with networking IoT devices

The internet of things has such a wide range of use cases and individual devices that network architects have to pay attention to a wide combination of variables for communication, power, bandwidth, reliability, cost and more.

What is 802.11ax Wi-Fi, and what will it mean for 802.11ac

802.11ax is the emerging Wi-Fi standard that will likely displace the current 802.11ac standard with higher throughput and overcoming poor performance in crowded environments.

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Getting the most out of your next-generation firewall

Are you getting the most out of your next-generation firewall? Probably not if you take to heart recent research from SafeBreach. SafeBreach, a relative newcomer to the security arena — it was founded in 2014 — sells premise and...

rajeev suri nokia mesh wi fi

Nokia expands home networking reach with mesh Wi-Fi product

Nokia wants to help carriers upgrade their mobile networks to 5G -- but it also wants to give home Wi-Fi a boost

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SD-WAN helps radiology firm cut costs, scale bandwidth

Zwanger-Pesiri Radiology's journey from MPLS to SD-WAN networking began last spring when Joseph Funaro sat down to review carrier contracts that were up for renewal and realized that he could not only save his company money, but...

snail rocket fast speed

5 things that will slow your Wi-Fi network

Wi-Fi is quite fickle. The contention between Wi-Fi devices and the dynamic communication medium of the airwaves makes it a sensitive technology with many settings and situations that can slow it down. And even if you aren’t using...

chuck robbins cisco

Cisco CEO: "We are still only on the front end" of a new version of the network

Fresh off a positive earnings call that saw Cisco report $11.9 billion in revenue for the 2Q 2018 — a 3 percent increase from the same quarter in 2017 and the first time in 6 quarters the company reported year-over-year sales...

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