So what price range are we talking for such an animal?
Jeff Broadwick wrote: > I don't think this went out to the list: > > > Hey Tom. > > We just pushed over 7 Gbps full duplex over 18 GigE ports in the lab, so > we're fast approaching that 10 GigE mark. With small packets, the same > system forwarded around over 2.3 million PPS. With PCI Express, our systems > are generally limited by CPU and memory speed instead of being bus limited. > This means that as long as we can get faster CPUs and memory, we can move > more packets over PCI Express interfaces. > > The PCIe bus can support 250 MBps full duplex over a single x1 lane, which > is the same as 2 Gbps (B = Byte and b = bit) full duplex. The widest PCI > Express bus we support currently is x16, which provides up to > 32 Gbps full duplex. We don't currently have any cards that require this > much bandwidth, but again, this performance is CPU and memory limited. > > The 7 Gbps Jeff mentioned is actually not a published performance spec > because we are having issues with our test bed. The 10 GigE cards we are > testing have multiple stream processors in them, and they are not designed > to be able to forward 10 GigE with a single IP stream. We don't have 10 GigE > cards for our Smartbits 6000, so we are testing with a NeStream 10 GigE test > system. This system has not made it easy to control the flows, and we may > need additional software to support the testing we need to do. > > In any case, we expect to get to 10 GigE at wire speed with large packets > yet this year. Our vendors claim to have achieved this level of performance, > so we should be able to get to the same throughput. I can't really comment > on small packet performance, other than to say we've seen over 500 Mbps full > duplex throughput with pure 64-byte traffic on our GigE ports, so I expect > to be able to forward at least this much traffic with our 10 GigE cards. > > Also, don't forget that we are talking about 10 GigE in and out with this > test. So when you look at a 10 GigE number like 7 Gbps, we actually > forwarding 7 Gbps full duplex in and out, or a total of 28 Gbps of aggregate > traffic. > > jc > > > Jeff Broadwick wrote: > >> Hi Tom, >> >> We think we will eventually be able to saturate a 10 Gig link (PCIe), but >> you aren't going to go much higher than that. >> >> Jeff >> ImageStream >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of Tom DeReggi >> Sent: Thursday, April 09, 2009 2:30 PM >> To: WISPA General List >> Subject: Re: [WISPA] 10 GigE >> >> And that is not likely an Imagestream specific limit, but a general PC >> archetecture limit. A lot of high end gear will max out by then or before. >> >> Tom DeReggi >> RapidDSL & Wireless, Inc >> IntAirNet- Fixed Wireless Broadband >> >> >> ----- Original Message ----- >> From: "Jeff Broadwick" <[email protected]> >> To: "'WISPA General List'" <[email protected]> >> Sent: Thursday, April 09, 2009 2:09 PM >> Subject: Re: [WISPA] 10 GigE >> >> >> >> >>> Hi Mike, >>> >>> Depends on packet size. We have 10 Gig cards that we can put in our >>> routers, but we can't run one full out yet. About the best we've seen in >>> the lab is 7 Gigs full duplex, in optimal conditions. >>> >>> Jeff >>> ImageStream >>> >>> -----Original Message----- >>> From: [email protected] [mailto:[email protected]] On >>> Behalf Of Mike Hammett >>> Sent: Thursday, April 09, 2009 1:23 PM >>> To: WISPA General List >>> Subject: [WISPA] 10 GigE >>> >>> Any recommendations for routers that have multiple 10 GigE interfaces? I >>> believe the PowerRouter can only do 3 and I'm looking for at least 4, >>> > even > >>> up to 8 or 10. I didn't see anything from ImageStream that went that >>> high. >>> >>> I don't need to do 100 Gigs of throughput, but if you need 1 GigE of >>> commit, >>> you really need a 10 GigE for bursting. >>> >>> >>> ----- >>> Mike Hammett >>> Intelligent Computing Solutions >>> http://www.ics-il.com >>> >>> >>> >>> >>> >>> > ---------------------------------------------------------------------------- > >> >> >>> ---- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> >>> >>> > ---------------------------------------------------------------------------- > >> >> >>> ---- >>> >>> WISPA Wireless List: [email protected] >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >>> >>> >>> >>> >>> > ---------------------------------------------------------------------------- > >> ---- >> >> >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> >>> >>> > ---------------------------------------------------------------------------- > >> ---- >> >> >>> WISPA Wireless List: [email protected] >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >>> >> >> >> > ---------------------------------------------------------------------------- > >> ---- >> WISPA Wants You! 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