Re: [PATCH 0/6] virtio/vsock: introduce dgrams, sk_buff, and qdisc

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On Wed, Aug 17, 2022 at 01:53:32PM -0400, Michael S. Tsirkin wrote:
> On Tue, Aug 16, 2022 at 11:08:26AM +0000, Bobby Eshleman wrote:
> > On Wed, Aug 17, 2022 at 01:02:52PM -0400, Michael S. Tsirkin wrote:
> > > On Tue, Aug 16, 2022 at 09:42:51AM +0000, Bobby Eshleman wrote:
> > > > > The basic question to answer then is this: with a net device qdisc
> > > > > etc in the picture, how is this different from virtio net then?
> > > > > Why do you still want to use vsock?
> > > > > 
> > > > 
> > > > When using virtio-net, users looking for inter-VM communication are
> > > > required to setup bridges, TAPs, allocate IP addresses or setup DNS,
> > > > etc... and then finally when you have a network, you can open a socket
> > > > on an IP address and port. This is the configuration that vsock avoids.
> > > > For vsock, we just need a CID and a port, but no network configuration.
> > > 
> > > Surely when you mention DNS you are going overboard? vsock doesn't
> > > remove the need for DNS as much as it does not support it.
> > > 
> > 
> > Oops, s/DNS/dhcp.
> 
> That too.
> 

Sure, setting up dhcp would be overboard for just inter-VM comms.

It is fair to mention that vsock CIDs also need to be managed /
allocated somehow.



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