I really enjoyed this link and appreciate your reply, for everyone else read
through this article this link goes for a nice look at different switching
types.
http://www.nwc.com/1004/1004ws2.html
>From: "Howard C. Berkowitz" <[EMAIL PROTECTED]>
>Reply-To: "Howard C. Berkowitz" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Re: BPX going out of style?
>Date: Wed, 14 Feb 2001 10:30:27 -0500
>
> >John Nemeth said,
>
>
> >On Jul 6, 1:28pm, "Brian Lodwick" wrote:
> >}
> >} I have heard many tales of how ATM will explode soon, will be
>partenered
> >} perfectly with DSL, and everyone will implement it, but I just haven't
>seen
> >} it. I like the idea of improving technologies your engineering and
>support
> >} staff are familiar with (Not counting new technology with old names
>like
> >} IPv6). I hope this is able to work out, and isn't too far down the
>road.
> >
> > IPv6 is coming. There are just too many shortcomings in IPv4 that
> >can't be solved using hacks. The biggest being the lack of address
> >space. It really isn't a question of "if" but rather "when".
>
>Some of the "killer apps" that have moved IPv6 into high gear include
>the decision by the third generation wireless people to use V6 as
>their basic protocol, which, as we speak, is being built into
>handsets.
>
> >
> >} Is there any talk of using smaller tags in IP to create big pipes
>similar to
> >} ATM's VCI's so that you could lower the ip address & mask-lookup
>processor
> >} overhead on backbone IP routers? I think this would be a neat idea.
>Even
> >
> > You've just described MPLS.
> >
> >} though the CAM table is fast the router must still read the entire
>address
> >} and mask. Small pipe identifiers could be inserted into the ip header
>and
> >} extracted at the gateways and lookup would be lowered. Like xtags on
>VLANS.
> >
> > IP headers are only 20 bytes and aren't much of a problem. The
> >real problem is with compression, encryption, access lists, etc. Check
> >out this URL for a study on what happens when access lists are used:
> >http://www.nwc.com/1004/1004ws2.html
> >
> >}-- End of excerpt from "Brian Lodwick"
>
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