code_migration

code_migration - CSCI 5105 Foundations of Modern Operating...

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CSCI 5105 Foundations of Modern Operating Systems Instructor: Abhishek Chandra
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2 Today Code/Process Migration Motivation Approaches and techniques Secure Code Migration
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3 Process/Code Migration Pass programs to be run remotely Migration could be Weak (Code Migration) Strong (Process Migration) Examples: Java applets Condor, OpenMOSIX SETI@home
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4 Why Code Migration? Performance Load balancing and parallelism Utilization of idle resources Localized computation (close to data) Flexibility Easier to deploy and configure a DS Do not need preinstalled software Can change actual implementation
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5 Process Structure Process consists of Code segment: Instructions Execution segment: Private data, stack, PC Resource segment: External resources Can migrate one or more of the segments
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6 Code Migration Models Weak mobility Only transfer code segment Can be executed by target process or new process
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This note was uploaded on 10/21/2011 for the course CSCI 5105 taught by Professor Staff during the Spring '08 term at Minnesota.

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code_migration - CSCI 5105 Foundations of Modern Operating...

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