SR-IOV is a mess. I recommend avoiding it entirely. On Wed, Apr 4, 2012 at 5:05 PM, Chris Wright <chr...@sous-sol.org> wrote: > * Ryota MIBU (r-m...@cq.jp.nec.com) wrote: >> Hi Dan, >> > I think there is another sub topic, but I am not sure yet. >> > I agree that a configurable VIF driver is much better. >> > For designing the configuration of vif-plugging, it is required that >> > we discuss the granularity of selecting >> >VIF Driver. >> > Should The granularity of selecting VIF Driver be per node, VM, or VIF? >> > Currently, VIF Driver would be configured in nova-compute.conf. >> > This means that the granularity is per Hypervisor Node. >> > To be more flexible, we might consider the case where VIF1 of VM1 >> > connects to bridge and VIF2 of VM1 maps >> >to a physical NIC >> > directly. >> > If so, it may raise another issue; how to determine connection type of >> > VIF. >> >That's an interesting use case, and something that we haven't tried to deal >> >with yet. In your use case, who would >> >determine how a VIF was mapped? Would it be a policy described by the >> >service provider? Would it be part of the >> >VM flavor? Adding this kind of flexibility is certainly possible, though >> >you are the first person who has expressed >> >a need for this type of flexibility. >> >> It could be mixed. >> I think that a cloud user specifies vNIC option like "physical NIC mapping" >> as a VM flavor, >> then a service provider determines a hypervisor node and it's available >> physical NIC. > > Yes, come across similar issue, esp w/ SR-IOV virtual functions instead of > physical functions. > >> It is not suitable that the cloud user specifies physical NIC itself. >> But this though is not clear enough to having a session on the summit, >> I hope that we discuss this issue on vif-plugging session or somewhere in >> the summit. > > -- > Mailing list: https://launchpad.net/~netstack > Post to : netstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~netstack > More help : https://help.launchpad.net/ListHelp
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