At 10:12 AM 7/19/04 -0400, Tyler Durden wrote: >"Gimme an intel IXA network processor and no problem. ATM is fixed >size data, not as tricky as IP decoding. Predicatable bandwidth. >Stream all into megadisks, analyze later." > >I'm gonna have to challenge this bit here, Variola.
Please. Truth requires skepticism. Be bold. >Let's back up. You've got an OC-48 or OC-192 fiber and you want to grab ALL >of the data in this fiber. Now I'll grant that in real life there's going to >be a lot telephony circuit in there, but let's take a worst-case and assume >you need ALL the data. As cryptographers, we must assume this. >What's in this OC-192? Right now it definitely ain't 10Gb/s of packets. It's >going to have LOTS of DS1s, DS3s and, if you're lucky, and STS-3c or two. So >you'll need to first of all demux ALL of the tributaries. And how much *dark fiber* is there? Lots and lots, thanks to irrational exuberance. Guess what? SiO2 doesn't care which direction the beam is pumped into. >Next, you've got to un-map any ATM in each of the DS1s, etc, and then pull >out the IP data from the ATM cells, remembering to reassemble fragmented >packets (and there will be plenty with ATM). And remember, you may have to >do this for 5000 simultaneous DS1s. Yawn. You underestimate the Adversary. Never ever do that. Isn't there some chink who wrote that? >Oh, and let's not forget pointer >adjustments. Oh no, not pointers! What next, MPLS? >And that's just one fiber. How will you actually get all of this traffic >back to HQ? Remember, it keeps coming and won't stop. Dark fiber. >No, I think I'm becomming convinced that they can't yet get ALL of it. Enjoy your childhood while it lasts. Its a beautiful time.
