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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Routers vs. PC's for routing - was list problems?
Vinny Abello wrote: >> >> First off, you're right about moving parts generally being a bad >> thing. However, it is not always necessary to eliminate the hard >> drive. Two drives in a RAID-0 configuration may be reliable >> enough. Especially if the failure of a single drive sets off >> sufficient alarms so that it can quickly be hot-swapped for a new >> drive. > > I'm assuming you meant RAID-1. In RAID-0 if you 'swapped' any drive > all your striped data is toast. ;) Oops. Yes. of course I meant RAID-1. >> Then there's the issue of the PCI bus. Standard PCI (32-bit 33MHz) >> has a theoretical maximum bandwidth of about 1Gbit/s. But you can >> never use all of a PCI bus's bandwidth, so actual limits will be >> less than this. > > True... unless going for 64 bit PCI at 66MHz... 64/66 PCI has 4 times as much bandwidth - about 4Gbit/s. Much better than standard PCI, but hard to find on a PC-compatible motherboard, and expensive when you do find it. Enough bandwidth for 10 line-rate 100M Ethernet ports or six line-rate OC-3 ports (in theory, anyway). But not really enough for anything faster (OC-12 or GigE) if you want line-rate forwarding. -- David
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