ENG 203_10D

ENG 203_10D - ENG 203:SYSTEM ARCHITECTURE System...

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ENG 203:SYSTEM ARCHITECTURE 01/20/12 1 System Engineering in an Acquisition Context John M. Borky 2009 - all rights reserved Engineering 203 System Architecture Dr. Mike Borky [email protected] (Cell) 505 453-0496 © John M. Borky 2009 – all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 2 Session 10 – Assessing Architecture Lectures: 10A – Architecture Metrics 10B – Quality Attributes 10C – Architecture Governance 10D – Special Topics John M. Borky 2009 - all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 3 Lecture 10D – Concluding Thoughts on Topics Not Covered Elsewhere John M. Borky 2009 - all rights reserved
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 4 Virtualization (1) John M. Borky 2009 - all rights reserved An IT technique that may be of great value in an architecture where maximum efficiency in using resources is important – may allow achieving desired levels of performance and reliability at acceptable cost Most generally, the use of software to emulate or abstract computing resources; two flavors: Make a collection of resources look like a single resource pool that can be allocated as needed Make a single resource emulate a number of possibly dissimilar resources Most common approach is Hardware Virtualization – create one or more Virtual Machines (VMs) that emulate various physical machines and allow software native to those machines, including a runtime environment, to be hosted and executed Operating System (OS) Virtualization is a lower-overhead approach in which a single OS kernel supports both “host” and “guest” systems
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ENG 203:SYSTEM ARCHITECTURE 01/20/12 5 Virtualization (2) John M. Borky 2009 - all rights reserved Possible uses of virtualization : Allow an OS to run on a non-native hardware architecture or an application to run on a non-native computing platform Allow a computer to host a variety of OSs – VMs isolate environments for reliability and security Allow a server (or group of servers) to create a variety of virtual servers
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This note was uploaded on 01/20/2012 for the course ENGR 203 taught by Professor Borky during the Summer '10 term at UCLA.

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ENG 203_10D - ENG 203:SYSTEM ARCHITECTURE System...

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