On Mon, Apr 25, 2011 at 09:10:51PM -0700, Justin Pettit wrote: > On 4/25/11 8:54 PM, "Ben Pfaff" <[email protected]> wrote: > > >On Tue, Apr 26, 2011 at 12:43:28AM -0300, Victor Torres wrote: > >> As i was studying the queue mechanisms of OpenFlow 1.0, i found out > >> that there can be a Max of 8 queues on a single switch, is that true? > >> Are there any workarounds for this? > >> Anyone knows if OpenVSwitch has the same limitation (don't know if it > >> is a protocol issue, or implementation issue)? > > > >If the OpenFlow 1.0 reference implementation has an 8-queue limitation, > >then that is an implementation issue. Open vSwitch does not have a > >8-queue limitation. Its limit is closer to 65000 queues per network > >device. (However, some reconfiguration costs are linear in the number > >of queues, so in practice I would recommend limiting queues to a few > >hundred if you can.) > > A lot of hardware switching ASICs limit themselves to eight queues and > then just map the 3-bit PCP value from the VLAN header into it. As Ben > indicated, software switches, like Open vSwitch, don't typically have this > limitation.
Of course that's true, but the OpenFlow reference implementation is also a software switch. _______________________________________________ openflow-discuss mailing list [email protected] https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
