Availability and Reliability Assessment of Tier I Data Center Infrastructure

Le résumé fourni par la source

Over the years, data centers have evolved to meet the most diverse demands of web services and applications, such as cloud computing, e-commerce, social networking, artificial intelligence, streaming, and healthcare services. These large data centers must meet several dependability requirements to ensure quality of service with high reliability and availability, reducing interoperability time, since this is an important competitive factor for companies. Data centers have three infrastructures: IT (Information Technology), electrical, and cooling. Therefore, for data centers to achieve high availability, these infrastructures must be designed according to redundancy specifications ranging from Tier I to Tier IV. This paper presents an SPN (Stochastic Petri Nets) model for planning the infrastructure of a Tier I data center, composed of the three subsystems mentioned. The evaluation will focus on key metrics, including availability, reliability, downtime, and uptime. A sensitivity analysis of the constructed model was performed to verify which subsystem impacts the system behavior.

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