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A data center is a pool of resources (computational, storage, network) interconnected using a communication network. [ 1 ] [ 2 ] A data center network (DCN) holds a pivotal role in a data center , as it interconnects all of the data center resources together.
As a family of form factors, it defines specifications for the mechanical dimensions and electrical interfaces devices should have, to ensure compatibility between disparate hardware manufacturers. The standard is meant to replace the U.2 form factors for drives used in data centers. [1] EDSFF provides a pure NVMe over PCIe interface. One ...
Data centre tiers are defined levels of resiliency and redundancy for IT facility infrastructure. They are widely used in the data center, ISP and cloud computing industries as part of the engineering design for high availability systems. The standard data center tiers are: [1] Tier I: no redundancy; Tier II: partial N+1 redundancy
The Telecommunications Industry Association (TIA) ANSI/TIA-942-C Telecommunications Infrastructure Standard for data centers [1] is an American National Standard (ANS) that specifies the minimum requirements for data center infrastructure and is often cited by companies such as ADC Telecommunications [2] and Cisco Systems. [3]
The lights-out [43] data center, also known as a darkened or a dark data center, is a data center that, ideally, has all but eliminated the need for direct access by personnel, except under extraordinary circumstances. Because of the lack of need for staff to enter the data center, it can be operated without lighting.
Network-neutral data centers exist all over the world and vary in size and power. While some data centers are owned and operated by a telecommunications or Internet service provider, the majority of network-neutral data centers are operated by a third party who has little or no part in providing Internet service to the end-user.
In a software-defined data center, "all elements of the infrastructure — networking, storage, CPU and security – are virtualized and delivered as a service." [2] SDDC support can be claimed by a wide variety of approaches. Critics see the software-defined data center as a marketing tool and "software-defined hype," noting this variability. [3]
The more common type, referred to as containerized data centers or portable modular data centers, fits data center equipment (servers, storage and networking equipment) into a standard shipping container, which is then transported to a desired location. [5] Containerized data centers typically come outfitted with their own cooling systems.