On 13 October 2016 at 21:23, Fernando Gont <fg...@si6networks.com> wrote:
> On 10/05/2016 09:09 PM, Dave Thaler wrote:
>> The issue with IEEE MAC's is that it's sent to untrusted observers, not that
>> it is a stable identifier per se.
>> It just so happens that you typically don't have a choice but to send it in
>> packets such that it can be observed
>> by untrusted observers, hence the need to use randomized MACs.
> The issue with MAC addresses is that they are constant across networks
> when, if anything, they just need to be stable within the same subnet.
> Besides, they have semantics (vendor ID) when in fact they need not.
> And well, the problem is exacerbated by IPv6 SLAAC traditionally
> generating IPv6 IIDs by embedding the underlying MAC address into them...
Though RFC 4941 exists for this particular issue.
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