Threads

Thread in Non-Distributed Systems

Inter-process communication (IPC).

Implementation

• Lightweight Processes (LWP).

• Scheduler activations.

Thread in Distributed Systems

A multithreaded system organized in a dispatcher/worker model.

Model	Characteristics
Threads	Parelelism. Blocking system calls.
Single-thread process	No parelelism. Non-blocking system calls.
Infinite State Machine	Parelelism. Non-blocking system calls.