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retail experience

How the Gap embraced the edge

2,500 North American GAP stores run on iPads and edge compute, aided by Wi-Fi, private LTE and the cloud.

thousandeyes map

COVID-19: Weekly health check of ISPs, cloud providers and conferencing services

Thousand Eyes, which tracks internet and cloud traffic, is providing Network World with weekly updates on the performance of three categories of service provider: ISP, cloud provider, UCaaS

A network of digital connections extend broadly across layers of city highways / routing paths.

Cisco targets WAN edge with new router family

Cisco unpacked Catalyst 8000, a new family of edge networking gear that support SD-WAN, branch office, zero-trust security, SASE,


Masergy teams with Fortinet for at-home SD-WAN

Working from home is becoming more of a permanent option with each passing day, but working from home means your network is provided not by your corporate enterprise but by carriers such as Verizon, AT&T, and Comcast. Masergy...

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IoT Roundup: Carriers and connectivity fueling Microsoft's IoT expansion, IoT networks getting smarter, and security corner

This month's installment covers the impetus lent to IoT deployments by the ongoing pandemic, some new wrinkles in the security picture, and the possibility of more intelligence at the network edge in the future.

OSI model

The OSI model explained and how to easily remember its 7 layers

A tutorial on the Open Systems Interconnection networking reference model and tips on and how to memorize the seven layers

IDG Tech Spotlight  >  IT Leadership [ September 2020 / Network World ]

How networking pros can help make better IT buying decisions

Knowing how smart buying teams make good choices adds to the value IT pros bring to the task of purchasing new hardware, software, and services.

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What 5G promises for IoT

Right away 5G looks promising for high-density IoT deployments, but future releases of the cellular technology have even greater potential.

huawei image 9 july 2020

FCC outs telecoms with banned Chinese 5G hardware

Huawei and ZTE 5G gear is still present on some service-providers' networks despite an FCC ban prompted by security fears.

Neon world networking

Meet SONiC, the new NOS (definitely not the same as the old NOS)

The open-source SONiC network operating system has the potential to become 'the Linux of networking,' experts say.

Two figures within a data center / server maze, strewn with clouds.

Pluribus goes big to support larger, multi-vendor data center networks

Adaptive Cloud Fabric from Pluribus can now support up to 1,024 switches in a unified fabric.

Get better simpler networking with network as a service

Intel, Nvidia launch new networking processor initiatives

Intel goes all-in for 5G radio access networks while Nvidia pushes its newly acquired Mellanox business.

Binary streams and circuits flow through a secure, locked system.

Juniper upgrades security software with threat intelligence, VPN package

Juniper adds to its Advanced Threat Prevention (ATP) Cloud and releases an in-house VPN offering

Network Networking Ethernet

What is a network switch, and how does it work?

Switches connect network segments, providing full-duplex communication, valuable network performance data and efficient use of network bandwidth.

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What is the OSI model? Memorize each of its seven layers

Learn each of the seven layers of the Open Systems Interconnection, or OSI, model with this easy mnemonic trick. The OSI Model was developed in order to help troubleshoot network problems, promote interoperability among devices, and...

blurred city view beyond wire mesh fence / mesh network

What is a service mesh what it means to data center networking

Applications that rely on microservices put demands on data-center infrastructure and personnel, but the service mesh can optimize routing requests between microservices without constant human intervention.

A security system involves a wall of combination locks on interconnected puzzle pieces and a shield.

VMware highlights security in COVID-era networking

VMware is tackling the challenges of securing distributed enterprise resources with product enhancements including the new Carbon Black Cloud Workload software and upgrades to its SD-WAN and SASE products.

healthcare technology / medical data

How sensors, ambient intelligence could revolutionize healthcare

Wireless technologies could help mitigate clinical errors and improve caregiving in hospitals and at home.

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