Re: [Bloat] high speed networking from userspace

2012-03-13 Thread Eric Dumazet
On Tue, 2012-03-13 at 20:08 +0100, Luigi Rizzo wrote: > The firewall is actually one place where an efficient I/O mechanism > is really useful. Netmap (or the netfilter API or netgraph in > FreeBSD, if they were not built on top of skbufs/mbufs) give you > an ideal place to efficiently drop rogue

Re: [Bloat] high speed networking from userspace

2012-03-13 Thread Luigi Rizzo
On Tue, Mar 13, 2012 at 09:03:57AM -0700, Stephen Hemminger wrote: > On Tue, 13 Mar 2012 13:28:52 +0100 > Hagen Paul Pfeifer wrote: > > > > > On Mon, 12 Mar 2012 17:09:44 -0700, Dave Taht wrote: > > > > > is the by the same guy that did QFQ, and the results are quite > > > impressive. He (toda

Re: [Bloat] high speed networking from userspace

2012-03-13 Thread Hagen Paul Pfeifer
On Tue, 13 Mar 2012 09:03:57 -0700, Stephen Hemminger wrote: > User space networking works well for single application be it routing, > bridging, network trading, or single appliance. It doesn't work on a > multi-application environment (ie desktop). The gain is only because > the userspace code

Re: [Bloat] high speed networking from userspace

2012-03-13 Thread Stephen Hemminger
On Tue, 13 Mar 2012 13:28:52 +0100 Hagen Paul Pfeifer wrote: > > On Mon, 12 Mar 2012 17:09:44 -0700, Dave Taht wrote: > > > is the by the same guy that did QFQ, and the results are quite > > impressive. He (today) announced support for this interface for Linux. > > > > shades of VJ's 'network

[Bloat] high speed networking from userspace

2012-03-13 Thread Luigi Rizzo
Hi, Dave mentioned me the thread about netmap on this list, to which i just subscribed. Some of the posts are referring to Van Jacobson's "network channels" and to previous experiments or implementations dating back to 2006 e.g. http://www.ioremap.net/taxonomy/term/6 I am glad to see tha

Re: [Bloat] high speed networking from userspace

2012-03-13 Thread Hagen Paul Pfeifer
On Mon, 12 Mar 2012 17:09:44 -0700, Dave Taht wrote: > is the by the same guy that did QFQ, and the results are quite > impressive. He (today) announced support for this interface for Linux. > > shades of VJ's 'network channels'! "already" implemented: see o http://www.ioremap.net/node/12 o

Re: [Bloat] high speed networking from userspace

2012-03-13 Thread Steinar H. Gunderson
On Mon, Mar 12, 2012 at 05:09:44PM -0700, Dave Taht wrote: > http://info.iet.unipi.it/~luigi/netmap/ > > is the by the same guy that did QFQ, and the results are quite > impressive. He (today) announced support for this interface for Linux. How is this different from Linux' mmap packet socket? /

Re: [Bloat] high speed networking from userspace

2012-03-12 Thread Ketan Kulkarni
will it help/impact bloat issue? -Ketan On Tue, Mar 13, 2012 at 5:39 AM, Dave Taht wrote: > http://info.iet.unipi.it/~luigi/netmap/ > > is the by the same guy that did QFQ, and the results are quite > impressive. He (today) announced support for this interface for Linux. > > shades of VJ's 'ne

[Bloat] high speed networking from userspace

2012-03-12 Thread Dave Taht
http://info.iet.unipi.it/~luigi/netmap/ is the by the same guy that did QFQ, and the results are quite impressive. He (today) announced support for this interface for Linux. shades of VJ's 'network channels'! -- Dave Täht SKYPE: davetaht US Tel: 1-239-829-5608 http://www.bufferbloat.net ___