*provides the following functionality:
1. downloading the new disk image to device replacing the existing disk image.
2. downloading packages to the device in the Update Loader context. packages can be applied to the image by the ULDR.
*when a device boots, IPL jumps to the ULDR
the primary run-time image(pressing a switch/ software flag is set(packages need to be applied).
*when IPL jumps to the ULDR, ULDR run an update application to apply the available updates to the image , reboot the device, and updating the image
*because Image Download Application can downlade packages in the ULDR context, it is useful for the development enviroment or for failsafe image recovery.
*because the Impage Update model replaces the old boot loader model,
No comments:
Post a Comment