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From Sateesh Chodapuneedi <sateesh.chodapune...@citrix.com>
Subject RE: [ACS41][DISCUSS] Adding support for VMware dvSwitch
Date Wed, 19 Dec 2012 03:56:32 GMT
Changed category from [ASF41] to [ACS41] in subject line

> -----Original Message-----
> From: Musayev, Ilya [mailto:imusayev@webmd.net]
> Sent: 18 December 2012 01:33
> To: cloudstack-dev@incubator.apache.org
> Subject: RE: [ASF41][DISCUSS] Adding support for VMware dvSwitch
> 
> Sateesh
> 
> As mentioned before I have a good number of vSphere environments using
> dvSwitches that I can't roll into CS just yet.
> 
> Whenever you are ready to test something or have a proof of concept code
> to try - I can assist.
> 
That would be great! Sure, I will get in touch as soon as the branch is ready.
Thanks.

> I've been meaning to ask - are you planning to build any controls that
> are available via VCenter for dvSwitches - or is it  strictly support
> and enablement?

CloudStack will provide the option to choose dvSwitch in VMware environment and uses vSphere
API (talk to vCenter) when a virtual network needs orchestration (create, modify, destroy
cycle).

> 
> Thank you
> -ilya
> 
> -----Original Message-----
> From: Sateesh Chodapuneedi [mailto:sateesh.chodapuneedi@citrix.com]
> Sent: Monday, December 17, 2012 2:41 PM
> To: cloudstack-dev@incubator.apache.org
> Subject: [ASF41][DISCUSS] Adding support for VMware dvSwitch
> 
> Hi,
> 
> 
> 
> I am planning to work on enabling support for VMware native dvSwitch in
> CloudStack. Filed a jira ticket for it, see [1].
> 
> 
> 
> Integration of VMware dvSwitch with CloudStack enables orchestration of
> virtual networks in VMware environment over distributed virtual switch
> inside vCenter.
> 
> 
> 
> Background
> 
> -----------
> 
> VMware Distributed Switch is an aggregation of per-host virtual switches
> presented and controlled as a single distributed switch through vCenter
> Server at the Datacenter level. vDS abstracts configuration of
> individual virtual switches and enables centralized provisioning,
> administration, and monitoring.
> 
> vDS is integral component of vCenter. Hence the native vDS support makes
> sense for wider and larger deployments of Cloudstack over vSphere.
> 
> 
> 
> Each Standard vSwitch represents an independent point of configuration
> that needs to be managed and monitored. The management of virtual
> networks required by instances in the cloud is tedious when virtual
> networks have to span across large number of hosts. Using distributed
> vSwitch (vDS) simplifies the configuration and monitoring.
> 
> 
> 
> Being standalone implementations, standard vSwitches do not provide any
> support for virtual machine mobility. So there needed a component  to
> ensure that the network configurations on the source and the destination
> virtual switch are consistent and will allow the VM to operate without
> breaking connectivity or network policies. Particularly during migration
> of VM across hosts, the sync up among peers need to be taken care.
> However in case of distributed vSwitch during VMotion, the vCenter
> server, would update the vSwitch modules on the hosts in cluster
> accordingly.
> 
> 
> 
> I'll share an FS for this in the next few days.
> 
> Please do let me know your thoughts/concerns.
> 
> 
> 
> [1] CLOUDSTACK-657 - "VMware vNetwork Distributed Virtual Switch support
> in CloudStack"
> 
> 
> 
> Regards,
> 
> Sateesh
> 
> 
> 
> 
> 


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