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Sie befinden sich auf Seite 1 von 47.
Angezeigt werden 10 Ergebnisse
Impacts of Global Change on the Hydrological Cycle in West and Northwest Africa
High Availability MySQL Cookbook
Service Availability
This book constitutes the refereed proceedings of the 4th International Service Availability Symposium, ISAS 2007, held in Durham, NH, USA in May 2007.
The 12 revised full papers presented are organized in topical sections on middleware, software systems, modeling and analysis, as well as model-driven development and human engineering.
Verwandte Suchworte:
eds 9783540727354 Aad Availability Availability Malek Manfred Miroslaw Moorsel Reitenspieß Service van The 12 revised full papers presented are organized in topical sections on middleware, software systems, modeling and analysis, as well as model-driven development and human engineering.
EUR 50.24
XEN High Availability par la pratique / druk 1
The Availability of Global Fossil Energy
There is concern within some factions of the energy industry about an approaching global crisis caused by peak oil production.
To shed light on the subject, this book assesses the threat that depletion poses to the availability of fossil energy resources.
It does so by estimating cumulative supply curves for conventional petroleum (oil, gas, and natural gas liquids) and for three unconventional sources of liquids (heavy oil, oil sands, and oil shale).
The analysis extends the important study conducted by the US Geological Survey (2000) on this topic by taking account of (1) conventional petroleum resources from provinces not assessed by the Survey or other organizations, (2) future reserve growth, (3) unconventional sources of liquids, and (4) production costs.
The results indicate that large quantities of conventional and unconventional resources are available and can be produced at costs substantially below current market oil prices of around US$140 per barrel.
These findings suggest that fossil energy is likely to last far longer than many are now predicting and that depletion need not drive market prices above the relatively high levels prevailing over the past several years.
Verwandte Suchworte:
Availability Energy Energy Aguilera F 9783639072877 Fossil Global Roberto The To shed light on the subject, this book assesses the threat that depletion poses to the availability of fossil energy resources.
It does so by estimating cumulative supply curves for conventional petroleum (oil, gas, and natural gas liquids) and for three unconventional sources of liquids (heavy oil, oil sands, and oil shale).
The analysis extends the important study conducted by the US Geological Survey (2000) on this topic by taking account of (1) conventional petroleum resources from provinces not assessed by the Survey or other organizations, (2) future reserve growth, (3) unconventional sources of liquids, and (4) production costs.
The results indicate that large quantities of conventional and unconventional resources are available and can be produced at costs substantially below current market oil prices of around US$140 per barrel.
These findings suggest that fossil energy is likely to last far longer than many are now predicting and that depletion need not drive market prices above the relatively high levels prevailing over the past several years.
EUR 71.95
Ericsson, Anna: Water availability and distribution in Africa
Concept for system virtualization in the field of high availability computing
Server virtualization is currently a field of IT which is undergoing a rapid development.
Introducing an even spread of performance on server farms which results in a good TCO (total cost of ownership), virtualization has already got the full attention from industry, resulting in massive participation and huge acquisitions.
With server virtualization the size of server farms can be reduced dramatically, resulting in a lower total cost of ownership and (by using techniques like Linux-HA in virtual environments) increased availability.
Even with an overhead of 10-20% on the layer of virtualization it is still very interesting since the load on a server farm can be spread evenly (which is not only a main target in server virtualization but also in distributed systems in general).
This work will give an insight on the current developments in the field of server virtualization and the various techniques involved in it as well as a short historical overview about when the first types of virtualization were introduced (and why they failed, since according to A.
Tanenbaum the current hardware is not made to be virtualized).
The findings will mostly be supported by examples of current virtual environments (especially the XEN project).
The paper will first introduce the different ways of virtualizing a system and in how far hardware can or can not support this.
The second part will introduce the current software for virtualizing a server and giving users their own separated environment, starting from early approaches like BSD jails to the Linux V-Server and XEN Project.
The last chapter will cover the use of server virtualization in high-availability environments.
With the use of n physical machines and m virtualized systems on each machine, an environment of (n * m) / x can be created, where x is the level of redundancy (e.g.
x = 2 for mirroring).
Most interesting is how virtual environments can be moved from one physical machine to another one without switching it off.
The summary will give some insight on the current use of virtual environments and in how far they provide advantages over solutions like Mosix, Application-basic virtualization and the grid.
It will also give an outlook on further developments especially in the field of hardware support for virtualization.
Bachelorarbeit aus dem Jahr 2007 im Fachbereich Informatik - Software, Note: -, Universität Paderborn, 14 Quellen im Literaturverzeichnis, Sprache: Englisch.
Verwandte Suchworte:
Concept availability computing field for high system the virtualization Introducing an even spread of performance on server farms which results in a good TCO (total cost of ownership), virtualization has already got the full attention from industry, resulting in massive participation and huge acquisitions.
With server virtualization the size of server farms can be reduced dramatically, resulting in a lower total cost of ownership and (by using techniques like Linux-HA in virtual environments) increased availability.
Even with an overhead of 10-20% on the layer of virtualization it is still very interesting since the load on a server farm can be spread evenly (which is not only a main target in server virtualization but also in distributed systems in general).
This work will give an insight on the current developments in the field of server virtualization and the various techniques involved in it as well as a short historical overview about when the first types of virtualization were introduced (and why they failed, since according to A.
Tanenbaum the current hardware is not made to be virtualized).
The findings will mostly be supported by examples of current virtual environments (especially the XEN project).
The paper will first introduce the different ways of virtualizing a system and in how far hardware can or can not support this.
The second part will introduce the current software for virtualizing a server and giving users their own separated environment, starting from early approaches like BSD jails to the Linux V-Server and XEN Project.
The last chapter will cover the use of server virtualization in high-availability environments.
With the use of n physical machines and m virtualized systems on each machine, an environment of (n * m) / x can be created, where x is the level of redundancy (e.g.
x = 2 for mirroring).
Most interesting is how virtual environments can be moved from one physical machine to another one without switching it off.
The summary will give some insight on the current use of virtual environments and in how far they provide advantages over solutions like Mosix, Application-basic virtualization and the grid.
It will also give an outlook on further developments especially in the field of hardware support for virtualization.
Bachelorarbeit aus dem Jahr 2007 im Fachbereich Informatik - Software, Note: -, Universität Paderborn, 14 Quellen im Literaturverzeichnis, Sprache: Englisch.
EUR 34.90
