AWS IoT is excited to support Simplified Permission Management. This feature allows you to easily manage permission policies for a large number of devices by using variables that reference Registry or X.509 certificate properties. The integration of Registry and Certificate properties with device policies offers the benefits listed below:
1. You can now reference Registry properties in device permission policies.
Referencing device properties defined in the Registry allows your policies to reflect any changes made in Registry. For example, by referencing the Thing Attribute named “building-address” as a variable in the policy, devices will automatically inherit a new set of permissions when they move buildings.
2. You can share a single generic policy for multiple devices.
A generic policy can be shared among the same category of devices instead of creating a unique policy per device. For example, a policy that references the “serial-number” as a variable, can be attached to all the lightbulbs of the same model. When lightbulbs connect, policy variables will be automatically substituted by their serial-number.
from What's New http://ift.tt/2fTgnwq
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