qnx os based router works well with powerpc, could be pushed far higher load than intel based chips
Colin >> That's the problem though. >> >> Everyone has presentations for the most part, very few actual tools >> that >> end users can just use exist. >> >> On 1/28/2015 午後 08:02, Robert Bays wrote: >>>> On Jan 27, 2015, at 8:31 AM, Jim Shankland <na...@shankland.org> >> wrote: >>>> >>>> My expertise, such as it ever was, is a bit stale at this point, and >> my >>>> figures might be a little off. But I think the general principle >>>> applies: think about the minimum number of x86 instructions, and the >>>> minimum number of main memory accesses, to inspect a packet header, >> do a >>>> routing table lookup, and enqueue the packet on an outbound >> interface. I >>>> can't see that ever getting reduced to the point where a generic >> server >>>> can handle 40-byte packets at line rate (for that matter, "line >> rate" is >>>> increasing a lot faster than "speed of generic server" these days). >>> Using DPDK it’s possible to do everything stated and achieve 10Gbps >> line rate at 64byte packets on multiple interfaces simultaneously. Add >> ACLs to the test setup and you can reach significant portions of 10Gbps >> at 64byte packets and full line rate at 128bytes. >>> >>> Check out Venky Venkatesan’s presentation at the last DPDK Summit for >> interesting information on pps/CPU cycles and some of the things that >> can be done to optimize forwarding in a generic processor environment. >>> >>> >> http://www.slideshare.net/jstleger/6-dpdk-summit-2014-intel-presentation-venky-venkatesan >>> >>> >> >> >> !DSPAM:54c8de34274511264773590! > > -- > Sent from my Android device with K-9 Mail. Please excuse my brevity.
