[ovs-discuss] What is the role of ovsdb-server and vswitchd?

Aishwarya aishu85 at gmail.com
Wed Sep 21 04:40:28 UTC 2011


Ok. So what happens with other packets that belong to this same flow? Do
they get routed without the help of vswitchd then? If yes, how does this
happen?

Thanks,
Aish

On Tue, Sep 20, 2011 at 9:40 PM, Ben Pfaff <blp at nicira.com> wrote:

> On Tue, Sep 20, 2011 at 09:36:30PM -0700, Aishwarya wrote:
> > Thanks for your detailed reply. Does this mean that every time a packet
> > arrives, it is first sent to the user process vswitchd and then sent back
> > into the kernel for forwarding, which means there will be a
> kernel-to-user
> > space and back to kernel space context switch for every packet that
> arrives?
>
> No.  There is one such transition for each new flow.
>
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