Virtual Computing : Concept, Design, and Evaluation - Dongmin Kim

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Virtual Computing

Concept, Design, and Evaluation

By: Dongmin Kim, Salim Hariri

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Hardcover | 31 August 2001

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Hardcover
156 Pages

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24.13 x 15.88 x 1.91

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The evolution of modern computers began more than 50 years ago and has been driven to a large extend by rapid advances in electronic technology during that period. The first computers ran one application (user) at a time. Without the benefit of operating systems or compilers, the application programmers were responsible for managing all aspects of the hardware. The introduction of compilers allowed programmers to express algorithms in abstract terms without being concerned with the bit level details of their implementation. Time sharing operating systems took computing systems one step further and allowed several users and/or applications to time share the computing services of com puters. With the advances of networks and software tools, users and applications were able to time share the logical and physical services that are geographically dispersed across one or more networks. Virtual Computing (VC) concept aims at providing ubiquitous open computing services in analogous way to the services offered by Telephone and Elec trical (utility) companies. The VC environment should be dynamically setup to meet the requirements of a single user and/or application. The design and development of a dynamically programmable virtual comput ing environments is a challenging research problem. However, the recent advances in processing and network technology and software tools have successfully solved many of the obstacles facing the wide deployment of virtual computing environments as will be outlined next.

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Non-Fiction Computing & I.T.Operating Systems Computer Networking & Communications Medicine Medicine in General Computer Science Artificial Intelligence Computer Architecture & Logic Design Computer Hardware Mainframes & Minicomputers Network Hardware

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Published: 13th November 2012

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List of Figures	p. ix
List of Tables	p. xi
Preface	p. xiii
Contributing Authors	p. xix
Trends in Parallel and Distributed Computing	p. 1
Trends in Processing Technology	p. 2
Dimension I - Advances in device technology	p. 3
Dimension II - Advances in concurrency technology	p. 4
Trends in Computer Networking Technology	p. 4
Network Component	p. 4
Transport Component	p. 6
Trends in Software Tools and Environments	p. 8
Parallel and Distributed Computing Environment	p. 13
Legion	p. 13
Legion Objectives	p. 13
Architecture	p. 14
Globus	p. 15
Globus Objectives	p. 15
Architecture	p. 16
Condor	p. 18
Condor Objectives	p. 20
Architecture	p. 20
Charlotte	p. 22
Charlotte Objectives	p. 22
Architecture	p. 22
Trends Toward Virtual Computing	p. 25
Application Computing Requirements	p. 25
Application Classes	p. 25
Characteristics of Representative Algorithms	p. 27
Parallelism Unit	p. 27
Computational Scalability	p. 27
Interconnection Requirement	p. 29
Control Requirement	p. 29
Natural Support Architecture	p. 29
Communication Protocol Requirements	p. 30
Simplicity	p. 30
Low latency and high bandwidth	p. 31
Concurrent Interprocess Communication	p. 31
Multicasting	p. 31
Support for Process Synchronization	p. 32
Efficient Flow Control Scheme	p. 32
Adaptive Distributed Virtual Computing Environment	p. 35
Overview of ADViCE Architecture	p. 35
Visualization and Editing Services (VES)	p. 37
Application Editing Service (AES)	p. 37
Application Visualization Service (AVS)	p. 39
ADViCE Server	p. 40
Initial and Runtime Mapping Service (IRS)	p. 41
Application Management Service (AMS)	p. 41
Application Control Service (ACS)	p. 43
Application Data Service (ADS)	p. 44
ADViCE Adaptation Approach	p. 45
Resource Allocation and Scheduling	p. 53
Overview of current scheduling algorithms	p. 53
Dynamic Level Scheduling	p. 55
Levelized Min Time	p. 55
Mapping Heuristic	p. 56
Heterogeneous Earliest Finish Time	p. 56
Definitions	p. 57
Definitions of Terms	p. 57
Definition of Task Scheduling	p. 59
Architecture of a Task Schedule	p. 59
Initial Mapping Service	p. 59
Runtime Mapping Service	p. 60
Analysis and Prediction of Task Execution	p. 61
Definitions and Notations	p. 61
Assumptions	p. 62
CPU Allocated Time--t[subscript CPU](T[subscript i], r[subscript j], 0, t)	p. 63
Task Execution Time Prediction--t[subscript rem](T[subscript i], r[subscript j], t)	p. 67
Future Load Prediction	p. 67
Tuning Function--t[subscript tun](T[subscript i], r[subscript j], t[subscript beg], t[subscript end])	p. 70
Load Estimation Errors	p. 70
Tuning Function Example	p. 73
Task-Scheduling Algorithm	p. 79
Heterogeneous Earliest Finish Time (HEFT) Algorithm	p. 79
Task Prioritizing Phase	p. 79
Processor Selection Phase	p. 80
Complexity Analysis of the HEFT Algorithm	p. 80
HEFT Algorithm Drawbacks	p. 81
Dynamic Heterogeneous Prediction-Based Scheduling Algorithm (DHPB)	p. 82
The DHPB Algorithm for Initial Mapping Service	p. 83
The DHPB Algorithm for Runtime Mapping Service	p. 83
Complexity of DHPB Algorithm	p. 86
DHPB for Initial Mapping	p. 86
DHPB for Runtime Mapping	p. 86
Experimental Results and Analysis	p. 87
Experiment 1: Using ADViCE as a Parallel Evaluation Tool	p. 87
Experiment 2: Using ADViCE as a Problem Solving Environment	p. 92
Experiment 3: Evaluation of the ADViCE Adaptation Approach	p. 93
Experiment 4: Prediction of Task Execution Time	p. 96
Task-Scheduling Environment	p. 101
Experiment 5: Randomly Generated Application Flow Graph	p. 102
Experiment 6: Gaussian Elimination	p. 105
Summary and Future Directions	p. 109
Summary	p. 109
Future Work	p. 110
Future Trends	p. 111
References	p. 113
Index	p. 123
Table of Contents provided by Syndetics. All Rights Reserved.

Virtual Computing

Concept, Design, and Evaluation

At a Glance

Hardcover

Shipping

How to return your order

Defective items

You Can Find This Book In

Other Editions and Formats

Paperback

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