Thanks Deepak, Yes it's true..that's the beauty of "Quantum". I had just confused "tenants" word. Now I understood it.
Also, It has been described in "quantum-admin-guide-trunk.pdf". > > > On Sun, Mar 18, 2012 at 12:51 AM, Deepak Garg > <deepakgarg.i...@gmail.com>wrote: > >> Thanks, Dan. >> I didn't know that line in the guide is temporary. I thought thats >> what quantum cli was meant for. >> >> @Hitesh >> The nova api/cli is limited: e.g. when you type a $ nova-manage >> network you have very limited options >> on network management. With Quantum, one will be able to create >> network topology of their choice and connect >> the vifs of the VMs to those networks. A simple example would be to >> have three networks - a public A and 2 private networks B,C -> now you >> will simply be able to attach and detach vifs to your VMs to have it >> in any one or more of these networks. Now SG rules may be applied on >> those VMs and these VMs may later be moved to other hosts later. This >> will involve configure the switches (physical or virtual) which is >> what 'quantum' is best at and nova can't do this. >> Hope it helps ! >> >> Cheers, >> Deepak >> >> >> On Sun, Mar 18, 2012 at 12:37 AM, hitesh wadekar >> <hitesh.wade...@gmail.com> wrote: >> > Hi Dan, >> > >> > Nice explanation !! >> > >> > It will be great if you could explain more on this with example >> (likewise >> > you have given examples for nova+Quantum Manager) -- > "such that we >> can >> > expose the Quantum API directly to tenants for network creation and port >> > configuration." >> > >> > A short description would be help !!! or redirect me any link for this. >> > >> > Thanks, >> > Hitesh >> > >> > On Sun, Mar 18, 2012 at 12:20 AM, Dan Wendlandt <d...@nicira.com> wrote: >> >> >> >> Hi Deepak, >> >> >> >> For essex, the Nova + Quantum integration relies on Nova to do most of >> the >> >> work. For example, when you invoke "nova-manage network create", the >> >> Quantum Manager code in Nova reaches out and creates a corresponding >> network >> >> via the Quantum API. Also, when you create a virtual server using >> "nova >> >> boot", Quantum Manager automatically creates and attaches ports (and >> does >> >> the reverse when the VM is destroyed). Therefore, there's actually no >> need >> >> to drive the Quantum CLI directly to provision things. Thus, the >> primary >> >> use is for troubleshooting (i.e., seeing what is provisioned already) >> >> >> >> Moving forward in Folsom, we'll be reworking the Nova + Quantum >> >> integration and improving Quantum Authn/Authz, such that we can expose >> the >> >> Quantum API directly to tenants for network creation and port >> configuration. >> >> At that point, the Quantum CLI will be use used more for provisioning >> new >> >> networks and configuring network connectivity. >> >> >> >> Dan >> >> >> >> >> >> On Sat, Mar 17, 2012 at 12:58 PM, Deepak Garg < >> deepakgarg.i...@gmail.com> >> >> wrote: >> >>> >> >>> Hi All, >> >>> >> >>> In the Admin doc, its written: >> >>> >> >>> quantum : a CLI utility for manually driving the Quantum API (note: in >> >>> most common use >> >>> cases, the Quantum API is primarily driven by another service, for >> >>> example OpenStack >> >>> Nova, and this CLI is used only for simple testing or >> troubleshooting). >> >>> >> >>> Not very sure, but I think we don't have nova apis for vifs and ports >> >>> management. If there is >> >>> please point me to that. >> >>> If there is not then how is quantum CLI only meant for >> >>> testing/troubleshooting. >> >>> >> >>> Have I misinterpreted something ? >> >>> >> >>> >> >>> Thanks, >> >>> Deepak >> >>> >> >>> -- >> >>> Mailing list: https://launchpad.net/~netstack >> >>> Post to : netstack@lists.launchpad.net >> >>> Unsubscribe : https://launchpad.net/~netstack >> >>> More help : https://help.launchpad.net/ListHelp >> >> >> >> >> >> >> >> >> >> -- >> >> ~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> >> Dan Wendlandt >> >> Nicira Networks: www.nicira.com >> >> twitter: danwendlandt >> >> ~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> >> >> >> >> >> -- >> >> Mailing list: https://launchpad.net/~netstack >> >> Post to : netstack@lists.launchpad.net >> >> Unsubscribe : https://launchpad.net/~netstack >> >> More help : https://help.launchpad.net/ListHelp >> >> >> > >> > >> > -- >> > 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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