Re: Slashdot: Providers Ignoring DNS TTL?

[sthaug () nethelp no]

> > Well, PPLB isn't the end of the world. But PPLB is coming, and the smart 
> > people will be prepared for it.  They dumb people, well, they're dumb. 
> > What can be expected from dumb people?
>
> What you seem to be missing is that the *really* smart people will be
> prepared for it when it actually gets here - and will take advantage
> of it's lack of arrival in the meantime.

I agree with another poster in this thread - I think we will see *less*
PPLB in the future, not more. Mostly because other, better methods of
bundling several parallel links are more easily available now than they
were a few years ago.

Example: At my previous employer we sometimes used PPLB on 2 or 4 2 Mbps
links to give the customer 4 or 8 Mbps available *for one session*. We
could have used multilink PPP - but that required more expensive routers.
These parallel links always ran from one PE router to one CPE router.

At my current employer we would either use DSL equipment (which bundles
the necessary links at a level below and invisble to IP), or Ethernet 
over SDH (using GFP etc). In both cases the bundling of several parallel
links is invisible to IP, and there is no issue of packet reordering.

Steinar Haug, Nethelp consulting, sthaug () nethelp no