Arista Leaf-Spine Architecture – Blog 2: L2LS and L3LS Designs

Layer 2 Leaf-Spine – L2LS design In this design, 2 spine switches are paired as an MLAG domain and are presented to the leaf switches as a single switch. All links in the topology are used for forwarding with no

Arista Leaf Spine Architecture – Blog Series Part One

Traditional 3-Tier Data Center Networks About 20 years ago there was a need for more servers because of an increase in the number of applications due to improved network availability. Hence, a large number of access ports were required to

Data Center Fire Suppression: Is Your IT Infrastructure Protected?

OVHcloud Data Center Fire in France In March 2021, OVHcloud’s five-story, 5,400-square-foot SBG2 data center in Strasbourg, France was destroyed by ghastly fire that took over six hours to extinguish. Not only was the company’s SBG1 facility heavily damaged, but

How to Choose the Right Enterprise Network Function Virtualization (NFV) Solution

Present-day enterprises are increasingly turning to network virtualization as an alternative to physical devices. This is especially true in branches where there are often space, power, and support constraints. By embracing network function virtualization (NFV), it is possible to reduce

How to Choose Between Hot-Aisle and Cold-Aisle Containment

Aisle containment is a proven technique for optimizing data center cooling. It builds upon the best practice of arranging racks and cabinets with the fronts of racks in one row facing the fronts of racks in an adjacent row. That

Data Center Optimization Can Help Meet Reliability and Agility Demands

End-users aren’t the only ones working from home. Many IT staff are also doing their jobs remotely, making it imperative to find ways to manage and maintain data center infrastructure without going onsite. This comes at a time when highly

Why More Enterprises Are Adopting Network Functions Virtualization

Networking has always been a hardware-centric affair. Organizations purchase, implement and maintain a wide array of routers, switches, load balancers and other gear on a device-by-device basis. The result is a highly complex network environment that is difficult to manage

A Day in the Life of a Chinese Engineer

Ming Gao is a system engineer based in Shanghai. Before finishing his degree in the university, Ming knew exactly where his interests and strengths lay, the field of computer science. He knew very well that he wanted to become an

A Day in the Life… of an Irish Engineer

A passion for computers from an early age and an inquisitive mind that pondered the workings of machines inspired Rory Byrne’s career choice. Rory, who is from Dublin, Ireland, is a Data Center Engineer with Rahi Systems. Headquartered in Fremont,

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