what about 48 bits?
matthew at matthew.at
Sun Apr 4 15:51:27 CDT 2010
Richard A Steenbergen wrote:
> On Sun, Apr 04, 2010 at 11:53:54AM -0300, A.B. Jr. wrote:
>> Lots of traffic recently about 64 bits being too short or too long.
>> What about mac addresses? Aren't they close to exhaustion? Should be.
>> Or it is assumed that mac addresses are being widely reused throughout
>> the world? All those low cost switches and wifi adapters DO use unique
>> mac addresses?
> The IEEE expects the MAC-48 space to be exhausted no sooner than the
> year 2100; EUI-64s are not expected to run out in the foreseeable
And this is what happens when you can use 100% of the bits on "endpoint
identity" and not waste huge sections of them on the decision bits for
Of course it comes with a privacy problem if you want to use that
endpoint identifier globally and not change it for every session (as
some protocols that separate routable-address from endpoint-identity do)
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