Hi, Network virtualization is already here and widely used. I am still not sure what is the gain of this approach. You can do the same with VxLANs or Geneve. And how do you scale this? Is it only for 3 node clusters?
Alex On Thu, Jun 28, 2018, 11:47 Stefano Zappa <stefano.za...@saleri.it> wrote: > Hi Yaniv, > no, the final purpose is not to save a couple of ports. > > The benefit is the trend to convergence and consolidation of the > networking, as already done for the storage. > The external interconnection is a critical element of the HCI solution, a > configuration without switches would give more soundness and more > independence. > > If we think about HCI as the transition of IT infrastructure from > hardware-defined to software-defined, the first step was virtualization of > the servers, the second step was storage virtualization, the third step > will be virtualization of networking. > > Of course this also has an economic benefit, reduce the total cost of > ownership and traditional data-center inefficiencies. > > We suppose a very traditional and simple external uplink, we can use the > interfaces integrated into the motherboard. > This will not be critical for the integrity of the our HCI solution, this > will not require broad bandwidth and low latency, this will be used > exclusively to interconnect the solution with the outside world, then with > a traditional ethernet switch. > > We suppose to give more attention to the point-to-point interconnection of > the three nodes, using 100 or 200 GbE cards for direct interconnection > without switches. > The hypothetical purchase of these 3 cards will not be cheaper, sure, but > it will be twenty times less than introducing expensive switches that will > certainly have more ports than necessary. > > Thanks for your attention, > Stefano. > > > > > Stefano Zappa > IT Specialist CAE - TT-3 > Technical Department > > Industrie Saleri Italo S.p.A. > Phone:+39 0308250480 > Fax:+39 0308250466 > > This message contains confidential information and is intended only for > yk...@redhat.com, sab...@redhat.com, sbona...@redhat.com, de...@ovirt.org, > users@ovirt.org. If you are not yk...@redhat.com, sab...@redhat.com, > sbona...@redhat.com, de...@ovirt.org, users@ovirt.org you should not > disseminate, distribute or copy this e-mail. Please notify > stefano.za...@saleri.it immediately by e-mail if you have received this > e-mail by mistake and delete this e-mail from your system. E-mail > transmission cannot be guaranteed to be secure or error-free as information > could be intercepted, corrupted, lost, destroyed, arrive late or > incomplete, or contain viruses. Stefano Zappa therefore does not accept > liability for any errors or omissions in the contents of this message, > which arise as a result of e-mail transmission. If verification is required > please request a hard-copy version. > ________________________________________ > Da: Yaniv Kaul <yk...@redhat.com> > Inviato: mercoledì 27 giugno 2018 16:20 > A: Stefano Zappa > Cc: Sahina Bose; Sandro Bonazzola; de...@ovirt.org; users@ovirt.org > Oggetto: Re: [ovirt-devel] Re: [ovirt-users] oVirt HCI point-to-point > interconnection > > On Wed, Jun 27, 2018 at 11:26 AM, Stefano Zappa <stefano.za...@saleri.it > <mailto:stefano.za...@saleri.it>> wrote: > The final purpose is strictly targeted to your HCI solution with 3-node > gluster replication. > > Can you explain to me what the benefit is? You need a switch anyway (for > uplink), so the 'cost saving' is that you can use a 4 port (?) switch and > do not need 6 ports? > Y. > > > > > > Stefano Zappa > IT Specialist CAE - TT-3 > Technical Department > > Industrie Saleri Italo S.p.A. > Phone:+39 0308250480 > Fax:+39 0308250466 > > This message contains confidential information and is intended only for > sab...@redhat.com<mailto:sab...@redhat.com>, sbona...@redhat.com<mailto: > sbona...@redhat.com>, stira...@redhat.com<mailto:stira...@redhat.com>, > users@ovirt.org<mailto:users@ovirt.org>, de...@ovirt.org<mailto: > de...@ovirt.org>. If you are not sab...@redhat.com<mailto: > sab...@redhat.com>, sbona...@redhat.com<mailto:sbona...@redhat.com>, > stira...@redhat.com<mailto:stira...@redhat.com>, users@ovirt.org<mailto: > users@ovirt.org>, de...@ovirt.org<mailto:de...@ovirt.org> you should not > disseminate, distribute or copy this e-mail. Please notify > stefano.za...@saleri.it<mailto:stefano.za...@saleri.it> immediately by > e-mail if you have received this e-mail by mistake and delete this e-mail > from your system. E-mail transmission cannot be guaranteed to be secure or > error-free as information could be intercepted, corrupted, lost, destroyed, > arrive late or incomplete, or contain viruses. Stefano Zappa therefore does > not accept liability for any errors or omissions in the contents of this > message, which arise as a result of e-mail transmission. If verification is > required please request a hard-copy version. > ________________________________________ > Da: Sahina Bose <sab...@redhat.com<mailto:sab...@redhat.com>> > Inviato: mercoledì 27 giugno 2018 10:15 > A: Sandro Bonazzola > Cc: Stefano Zappa; Simone Tiraboschi; users@ovirt.org<mailto: > users@ovirt.org>; de...@ovirt.org<mailto:de...@ovirt.org> > Oggetto: Re: [ovirt-users] oVirt HCI point-to-point interconnection > > The point to point interconnect is something we have not explored - I > think this limits the solution from scaling out to more nodes. > > On Wed, Jun 27, 2018 at 1:22 PM, Sandro Bonazzola <sbona...@redhat.com > <mailto:sbona...@redhat.com><mailto:sbona...@redhat.com<mailto: > sbona...@redhat.com>>> wrote: > Simone, Sahina, can you please have a look? > > 2018-06-07 9:59 GMT+02:00 Stefano Zappa <stefano.za...@saleri.it<mailto: > stefano.za...@saleri.it><mailto:stefano.za...@saleri.it<mailto: > stefano.za...@saleri.it>>>: > > Good morning, > I would like to kindly ask you a question about the feasibility of > defining a point-to-point interconnection between three ovirt nodes. > > Initially with the idea of optimizing the direct communications between > the nodes and especially the gluster communications, and so it would seem > quite easy, then evaluating a more complex configuration, assuming to > create an overlay L2 network on the three L3 point-to-point, using > techniques like geneve, of which at the moment I have no mastery. > > If the direct routing of three nodes to interconnect the public network > with the private overlay network was not easily doable, we could leave the > private overlay network isolated from the outside world and connect the VM > hosted engine directly to the two networks with two adapters. > > This layout with direct interconnection of the nodes without switches and > a shared L2 overlay network between the nodes may in future be contemplated > in future releases of your HCI solution? > > Thank you for your attention, have a nice day! > > Stefano Zappa. > > > [cid:609f1f14-f74e-489f-b86d-08647efc6d1c] > > > > > Stefano Zappa > > IT Specialist CAE - TT-3 > > > > Industrie Saleri Italo S.p.A. > > Phone: +39 0308250480 > Fax: +39 0308250466 > > > > This message contains confidential information and is intended only for > users@ovirt.org<mailto:users@ovirt.org><mailto:users@ovirt.org<mailto: > users@ovirt.org>>, in...@ovirt.org<mailto:in...@ovirt.org><mailto: > in...@ovirt.org<mailto:in...@ovirt.org>>, de...@ovirt.org<mailto: > de...@ovirt.org><mailto:de...@ovirt.org<mailto:de...@ovirt.org>>. If you > are not users@ovirt.org<mailto:users@ovirt.org><mailto:users@ovirt.org > <mailto:users@ovirt.org>>, in...@ovirt.org<mailto:in...@ovirt.org><mailto: > in...@ovirt.org<mailto:in...@ovirt.org>>, de...@ovirt.org<mailto: > de...@ovirt.org><mailto:de...@ovirt.org<mailto:de...@ovirt.org>> you > should not disseminate, distribute or copy this e-mail. Please notify > stefano.za...@saleri.it<mailto:stefano.za...@saleri.it><mailto: > stefano.za...@saleri.it<mailto:stefano.za...@saleri.it>> immediately by > e-mail if you have received this e-mail by mistake and delete this e-mail > from your system. E-mail transmission cannot be guaranteed to be secure or > error-free as information could be intercepted, corrupted, lost, destroyed, > arrive late or incomplete, or contain viruses. Stefano Zappa therefore does > not accept liability for any errors or omissions in the contents of this > message, which arise as a result of e-mail transmission. If verification is > required please request a hard-copy version. > > PRIVACY INFORMATION ART. 13 EU REG. 2016/679 > We inform you that the personal data contained in the present and > subsequent electronic communications will be processed in compliance with > the EU Regulation 2016/679, for the purpose of and only for the time > necessary to allow the sender to carry out the activities connected to the > existing commercial relationships. > The provision of personal data is not mandatory. However, failure to > provide them determines the impossibility of achieving the aforementioned > purpose. > With regard to these data, is allowed the exercise of the rights set out > in art. 13 and from the articles from 15 to 22 of EU Regulation 2016/679 > and in particular the right to request the access to, updating, > rectification and erasure of your personal data, as well as the right to > object to processing and to lodge a complaint with the Supervisory > Authority, by sending an e-mail to priv...@saleri.it<mailto: > priv...@saleri.it><mailto:priv...@saleri.it<mailto:priv...@saleri.it>>. > Data Controller of your personal data is Industrie Saleri Italo S.p.a., > with registered office in via Ruca, 406 - 25065 Lumezzane< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Fmaps.google.com%2F%3Fq%3Dvia%2BRuca%2C%2B406%2B-%2B25065%2BLumezzane%26entry%3Dgmail%26source%3Dg&e=4e49d9fc&h=605049b1&f=n&p=y> > (BS). > > _______________________________________________ > Users mailing list -- users@ovirt.org<mailto:users@ovirt.org><mailto: > users@ovirt.org<mailto:users@ovirt.org>> > To unsubscribe send an email to users-le...@ovirt.org<mailto: > users-le...@ovirt.org><mailto:users-le...@ovirt.org<mailto: > users-le...@ovirt.org>> > Privacy Statement: https://www.ovirt.org/site/privacy-policy/< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Fwww.ovirt.org%2Fsite%2Fprivacy-policy%2F&e=4e49d9fc&h=5bb6a8d2&f=n&p=y > >< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Fwww.ovirt.org%2Fsite%2Fprivacy-policy%2F&e=4e49d9fc&h=5bb6a8d2&f=n&p=y > > > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Fwww.ovirt.org%2Fcommunity%2Fabout%2Fcommunity-guidelines%2F&e=4e49d9fc&h=8d0dd6ae&f=n&p=y > >< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Fwww.ovirt.org%2Fcommunity%2Fabout%2Fcommunity-guidelines%2F&e=4e49d9fc&h=8d0dd6ae&f=n&p=y > > > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/WE2SAB6IGVLFSLBK7334PMH2O4ADP62Z/ > < > https://urlsand.esvalabs.com/?u=https%3A%2F%2Flists.ovirt.org%2Farchives%2Flist%2Fusers%40ovirt.org%2Fmessage%2FWE2SAB6IGVLFSLBK7334PMH2O4ADP62Z%2F&e=4e49d9fc&h=ebc03612&f=n&p=y > >< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Flists.ovirt.org%2Farchives%2Flist%2Fusers%40ovirt.org%2Fmessage%2FWE2SAB6IGVLFSLBK7334PMH2O4ADP62Z%2F&e=4e49d9fc&h=ebc03612&f=n&p=y > > > > > > > -- > > SANDRO BONAZZOLA > > ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV > > Red Hat EMEA<https://www.redhat.com/> > > sbona...@redhat.com<mailto:sbona...@redhat.com><mailto:sbona...@redhat.com > <mailto:sbona...@redhat.com>> > > [https://www.redhat.com/files/brand/email/sig-redhat.png]< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Fred.ht%2Fsig&e=4e49d9fc&h=1ac49513&f=n&p=y > > > > > > _______________________________________________ > Devel mailing list -- de...@ovirt.org<mailto:de...@ovirt.org> > To unsubscribe send an email to devel-le...@ovirt.org<mailto: > devel-le...@ovirt.org> > Privacy Statement: https://www.ovirt.org/site/privacy-policy/< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Fwww.ovirt.org%2Fsite%2Fprivacy-policy%2F&e=4e49d9fc&h=5bb6a8d2&f=n&p=y > > > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/< > https://urlsand.esvalabs.com/?u=https%3A%2F%2Fwww.ovirt.org%2Fcommunity%2Fabout%2Fcommunity-guidelines%2F&e=4e49d9fc&h=8d0dd6ae&f=n&p=y > > > List Archives: > https://lists.ovirt.org/archives/list/de...@ovirt.org/message/M67PL2K6LO3O4V23YJPXF5VAYJLDSO5D/ > < > https://urlsand.esvalabs.com/?u=https%3A%2F%2Flists.ovirt.org%2Farchives%2Flist%2Fdevel%40ovirt.org%2Fmessage%2FM67PL2K6LO3O4V23YJPXF5VAYJLDSO5D%2F&e=4e49d9fc&h=d49d4a95&f=n&p=y > > > > > > _______________________________________________ > Users mailing list -- users@ovirt.org > To unsubscribe send an email to users-le...@ovirt.org > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/LNGMKV7LQG2XGSSX3O4WWI2H4XQPDCSJ/ >
_______________________________________________ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-le...@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/DFG4JBNBMQOLVH4TQS4QCJX52DF3DX6Q/
