-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 06/04/2013 02:19 PM, Luke Gorrie wrote: > The idea that excites me is to implement a complete PCI device in > Snabb Switch and expose this to the guest at the basic PCI/MMIO/DMA > level. The device would be a Virtio network adapter based on Rusty > Russell's specification. The switch<->VM interface would be based > on PCI rather than vhost. > > I _think_ this is the basic idea that Stefano Stabellini and > Julian Stecklina are talking about.
Yes. Btw, progress is being made. Albeit a bit slower than expected. I will have to show something "soon". [...] > I have some questions, if you don't mind: > > 1. Have I understood the idea correctly above? (Or what do I have > wrong?) AFAICS yes. > 3. If I hack a proof-of-concept what is most likely to go wrong in > an OpenStack context? I mean - the "memory hotplug" and "track what > is dirty" issues that are alluded to. Is my code going to run > slowly? drop packets? break during migration? crash VMs? In the earliest implementation it will probably break during migration. I hope this can be fixed, but since I don't understand the magic qemu does for migration these days, I might be wrong. Julian -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEARECAAYFAlGt4mcACgkQ2EtjUdW3H9k7IgCgiQJ81z1Zj5G5tED8EghKQlDe gRQAniXzqTSadS7OvVHFQhKydbOFNkBn =VBws -----END PGP SIGNATURE-----