Remi,Can you please confirm the cost of Nicira (VMware NSX) aprox.? I saw that they offer a perpetual license per CPU socket $6K each one. Is that correct?
http://searchsdn.techtarget.com/news/2240222952/VMware-NSX-price-finally-published-as-channel-starts-selling DA -----Mensaje original----- > De: "Remi Bergsma" <rberg...@schubergphilis.com> > A: users@cloudstack.apache.org > Fecha: 04/11/2015 20:29 > Asunto: Re: GRE Isolation Performance > > Hi David, > > I haven’t used GRE myself, but I do know that performance wise you need > something that offloads to the nic, as with vlan tagging (instead of having > the cpu do all the work). Did you consider VXLAN? That has nic offloading > support in most nics these days. We are using STT (also does offloading) with > Nicira and it is very fast. If I had to build again, I’d investigate VXLAN. > > > > Regards, > Remi > > > On 04/11/15 12:31, "David Amorín" <david.amo...@adderglobal.com> wrote: > > >Hi all, > >We are working in an environment with CS 4.5.2 / XenServer 6.5 with multiple > >zones (Spain and Netherlands) using GRE Isolation and we have some concerns > >that we would like to share with you. Basically, we make a CPU benchmark > >between VLAN isolation and GRE isolation and the results show us that the > >consumption of CPU with GRE isolation is too much compared with VLAN > >isolation. > > > > > >Can anyone share with us the experience working with GRE isolation? > > > > > >We are not sure if this configuration in production will be safe, scalable > >and with an acceptable level of performance. > > > > > >Thanks, > > > > > >David > > > > > > > > > > > > > > > > > > > > > >
