> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# QRTR References

> QRTR routing, addressing, transport, and kernel interface reference material.

## Protocol reference

* [IPC router architecture and interfaces](https://android.googlesource.com/kernel/msm/+/android-7.1.0_r0.2/Documentation/arm/msm/msm_ipc_router.txt)

## Topics covered in this section

* router core and transport interface
* node and port addressing
* service and instance discovery
* control-path events
* message headers
* kernel and socket interfaces
* power management and flow control