Energy Efficiency of Modern Datacenter
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The Web ICT Systems for Business Networking Vito Morreale
ICT Systems for Business Networking Vito Morreale The Web ICT Systems for Business Networking Vito Morreale Note. The content of this document is mainly drawn from Wikipedia [www.wikipedia.org] and follows GNU Free Documentation License (GFDL), the license through which Wikipedia's articles are made available. The GNU Free Documentation License (GFDL) permits the redistribution, creation of derivative works, and commercial use of content provided its authors are attributed and this content remains available under the GFDL. Material on Wikipedia (and this document too) may thus be distributed multilingually to, or incorporated from, resources which also use this license. Table of contents 1 INTRODUCTION ................................................................................................................................................ 3 2 HOW THE WEB WORKS .................................................................................................................................. 4 2.1 PUBLISHING WEB PAGES ....................................................................................................................................... 4 2.2 SOCIOLOGICAL IMPLICATIONS ................................................................................................................................ 5 3 UNIFORM RESOURCE IDENTIFIER (URI) ................................................................................................. 5 4 HYPERTEXT TRANSFER PROTOCOL (HTTP) ........................................................................................ -
Data Centre Investment: an Investment Model & Associated Risk-Return Profile
Data Centre Investment: An investment model & associated risk-return profile Master Thesis Teus Louwerens Real Estate & Housing | Faculty of Architecture Delft University of Technology Data Centre Investments – Profiles & Criteria - Teus Louwerens 1 Management summary Introduction The data centre market is an emerging immature market, even though the services housed in these facilities are widely used and mission critical to many companies. Because of this immaturity investors often associate data centre investments with high risk compared to other real estate asset types. However, data centres differ from conventional real estate assets, which make comparison to other real estate types troublesome. The difference arises from the unique blend of locational, physical and technological characteristics as a result of their specialist function. Even though recent research into office and retail real estate proves that meso and microeconomic factors influence the value-in-use or the value- in-exchange, this knowledge of the data centre real estate market is very limited due to the immaturity and smaller scale of the recently emerged market. The lifespan is another remarkable difference between conventional real estate and data centre real estate. High technological dependency and continued IT development shortens the usual lifespan of 30+ years. The optimal life span of data centre components range from seven to ten years. This shortens the investment horizon, while increasing the investment risk. It’s likely that this increased risk drives data centre investors to look for alternative complementing decision-making criteria like it did office and retail real estate investors. Recent studies researched data centres features, such as locational and physical characteristics. -
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