Re: sockets APIs extensions for Host Identity Protocol

[der Mouse <[e-mail]>]

>>> I think [raising the sa_len limit] will raise all sorts of
>>> backwards compatibility problems.
>> Only if you expect to recompile only part of the world.
> Not all of the applications are open source.

So, version the calls - this is the ABI compatability issue, and it
applies to binary-only apps just as much as to old-binary compat.

>> When (if) it comes to releasing OSes with the new _len fields, it
>> gets a little more interesting, but I'd just version the affected
>> calls and ignore the issue.
> I don't think that storing of 1 vs. N locators justifies this kind of
> a backwards incompatibility change.

I don't see it as any worse than the incompatibility of switching that
field from short to char in the first place.

But perhaps that's just me.

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