l5,6_jan24 - 1 Lectures 5,6 Workflows and Internet Process...

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Unformatted text preview: 1 Lectures 5,6 Workflows and Internet Process Coordination Middleware: the glue for network computing Workflows and Internet Workflows Enabling Technologies Static/Dynamic workflows Tasks and Events Transition Systems Workflow Patterns Liveness Deadlocks 2 T e le c o n fe r e n c in g T e le m e d ic in e E le c tr o n ic M a il R e m o te L o g in F in a n c ia l L a y e r 4 - A p p lic a t io n s L a y e r 3 - M id d le w a r e S e r v ic e s A u th e n tic a tio n C o o r d in a tio n S to r a g e L a y e r 2 - T r a n s p o r t S e r v ic e s L a y e r 1 - N e t w o r k S e r v ic e s T e x t L a y e r 0 - T e c h n o lo g y S u b s t r a t e L A N s W ir e le s s D ir e c t B r o a d c a s t S a te liite V id e o A T M D ia l- u p M o d e m s V id e o c o n fe r e n c in g V id e o & A u d io S e r v ic e s W e b S e r v ic e s A u d io D is ta n c e L e a r n in g F in a n c ia l S e r v ic e s E v e n t D ir e c to r y E le c tr o n ic C o m m e r c e F ile T r a n s fe r IP C a b le F r a m e R e la y 3 Workflows Informal definition. Traditional applications: Office automation and document processing Factory automation Business Internet workflows, iWM. Examples Service grids Computational grids 4 Enabling technologies 1980s 1990s 2000s Sensors and Wireless Communication Optical technologies for communication and data storage technology time Microprocessors 5 Areas involved in iWM Heterogeneous Database Systems Knowledge Engineering Software Engineering Modeling and Analysis Internet-Based WorkflowManagement Distributed Systems Software Agents Computer Networks 6 ( b ) P r o c e s s o r d e r A s s e m b l e l a p t o p P C ?...
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l5,6_jan24 - 1 Lectures 5,6 Workflows and Internet Process...

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