Local Procedure Call

LPC - Local Procedure Call

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LPC (LocalInterProcessCommunication and NOT Local Procedure Calls) is a high speed message based communication mechanism implemented in the NT kernel.

LPC is to be used for communication between two user mode processes.

• between a user mode process and a
• kernel mode driver

 or 

• between two kernel mode drivers

An example

• two user mode processes communicating via LPC