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Clarify rejoin term regarding LoRaWAN 1.1
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Oliv4945 committed Mar 31, 2020
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5 changes: 3 additions & 2 deletions draft-ietf-lpwan-schc-over-lorawan.md
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Expand Up @@ -407,7 +407,7 @@ already used by devices for LoRaWAN procotol.

As AppSKey is renewed each time a device joins or rejoins a network, the IID
will change over time; this mitigates privacy, location tracking and
correlation over time risks. Rejoin periodicity is defined at the application
correlation over time risks. Join periodicity is defined at the application
level.

Address scan risk is mitigated thanks to AES-128, which provides enough entropy
Expand All @@ -430,7 +430,8 @@ Example with:
{: #Fig-iid-computation-example title='Example of IID computation.'}

There is a small probability of IID collision in a network, if such event occurs
the IID can be changed by rekeying the device on L2 level (ie: LoRaWAN rejoin).
the IID can be changed by rekeying the device on L2 level (ie: trigger a LoRaWAN
join).
The way the device is rekeyed is out of scope of this document and left to the
implementation.

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