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Weekly internet health check, US and worldwide

ThousandEyes, which tracks internet and cloud traffic, provides Network World with weekly updates on the performance of three categories of service provider: ISP, cloud provider, UCaaS.

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VMware embraces DPUs to stretch the use of CPUs

VMware eases the use of SmartNICs based on digital processing units to handle networking, security, storage, and other processes, freeing up enterprise-server CPU cycles.

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Used servers: Bargain or too good to be true?

Previously owned servers and network equipment can be less expensive than new hardware and more readily available, thanks to tech product backlogs, but enterprises need to be aware of potential pitfalls.


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The 10 most powerful companies in enterprise networking 2022

Here’s our take on the top 10 vendors providing corporate networks with everything from SASE and NaaS to ZTNA and network automation.

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SambaNova ships second-generation AI systems

SambaNova DataScale servers can perform both AI training and inference, which eliminates expensive data movement.

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About a third of cloud users need to learn resiliency lessons from Ian

While the Florida hurricane damage has your attention, it's time to plan for and implement redundant cloud and on-prem network infrastructure and strengthen backup and recovery capabilities.

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IBM, Vodaphone, GSMA form group to promote quantum-safe networks

Goal of GSMA Post-Quantum Telco Network Taskforce is to help develop standards and mitigate future quantum security challenges.

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ITU elects US candidate, quelling concerns about internet fracture

Western observers have been worried that Russian candidate to head ITU, Rashid Ismailov, would promote a plan to restructure the internet, giving nation-states more control and leading to network fragmentation.

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MIT-based startup's cooling tech can cut data center energy costs, footprint

Jetcool says that its use of microconvection enables on-board liquid cooling and makes its devices more effective by a factor of 10, compared to traditional heat sinks or cold plates.

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Highest paid IT certifications command $130K+

Certifications from Cisco, Nutanix, VMware, and cloud providers pay enough to land on Skillsoft’s ranking of most lucrative tech skills.


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Lenovo spends its 30th anniversary making 50 announcements

New Lenovo servers, storage, edge products, and liquid cooling options are each part of an announcement deluge.

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Software vulnerabilities pose a risk to network infrastructure

IT pros need to require software bills of materials for the open-source networking software used in their enterprises to guard against potential threats.

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Fortinet targets SD-WAN, 5G with new AIOps support

The company has expanded its FortiAIOps platform which uses artificial intelligence and machine learning (AI/ML) technologies to collect enterprise data and analytics to help customers quickly identify and automate network problem...

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Shortages force network vendors into creative product redesigns

Scarcity of mundane hardware components have Cisco, Arista, Juniper, and others looking to redesigns, re-engineering, and alternate sources.

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Single-core vs. multi-core CPUs

Some apps need CPU clock speed while others need multiple cores, so base your server purchases accordingly.