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Processes of Network Systems

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Thread Usage in Nondistributed Systems

Context switching as the result of IPC

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Thread Implementation

Combining kernel-level lightweight processes and user-level threads.

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Multithreaded Servers (1)

A multithreaded server organized in a dispatcher/worker model.

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Multithreaded Servers (2)

Three ways to construct a server.

Model

Characteristics

Threads

Parallelism, blocking system calls

Single-threaded process

No parallelism, blocking system calls

Finite-state machine

Parallelism, nonblocking system calls

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