[Starlingx-discuss] Starlingx network requirement

[Quick Convey]

Thanks Matt peters,

Why we don't need data interface in controllers ?.
I think neutron dhcp and router namespaces will be in controller node, So
packets should go to controller to route it as per old OpenStack release.
I don't know how its working in Stralingx , I think as per new OpenStack
release packets don't go to controller.
Does Starlingx create dhcp and router namespaces in compute nodes ?.


Thanks,


On Thu, Jan 17, 2019 at 8:06 PM Peters, Matt <Matt.Peters at windriver.com>
wrote:

> The data network provides the physical infrastructure for the OpenStack
> guest tenant networks, which is used for both inter-compute and external
> network access from Virtual Machines (VMs).  The underlay configuration
> (VxLAN attributes, VLAN ranges, etc) is managed by the cloud administrator
> and is made available to the OpenStack tenants (applications).  The
> application requirements drive the topology of this network since the cloud
> operator must be able to support whatever application is being deployed
> within the VMs.
>
>
>
> The virtual switch, OVS in the case of StarlingX, implements the OpenStack
> tenant networks and acts as the bridge between the physical infrastructure
> and the virtual networks.
>
>
>
> For additional background information on OpenStack networking, please
> refer to the following:
>
> https://docs.openstack.org/neutron/rocky/admin/intro.html
>
>
>
> Hope that helps.
>
>
>
> Regards Matt
>
>
>
> *From: *Quick Convey <quickconvey at gmail.com>
> *Date: *Thursday, January 17, 2019 at 2:55 AM
> *To: *"Peters, Matt" <Matt.Peters at windriver.com>
> *Cc: *"starlingx-discuss at lists.starlingx.io" <
> starlingx-discuss at lists.starlingx.io>
> *Subject: *Re: [Starlingx-discuss] Starlingx network requirement
>
>
>
> Thanks Matt peters,
>
>
>
> Compute nodes communicate via this Data interface, right ?
>
> *VMs* in different compute nodes also use this data interface for
> communication, right ? (communication between VM in CP1 -to- VM in CP2)
>
> *OVS* also use this data interface to make tunnel between the compute
> nodes, right ?
>
>
>
> You have mentioned that application requirements decide the required
> number of ports and network topology. Applications will be running in the
> VM and doesn't aware about the physical topology, right ? Could you please
> explain it.
>
>
>
> Thanks,
>
>
>
>
>
> On Mon, Jan 14, 2019 at 10:50 PM Peters, Matt <Matt.Peters at windriver.com>
> wrote:
>
> See inline.
>
>
>
> *From: *Quick Convey <quickconvey at gmail.com>
> *Date: *Monday, January 14, 2019 at 3:56 AM
> *To: *"starlingx-discuss at lists.starlingx.io" <
> starlingx-discuss at lists.starlingx.io>
> *Subject: *[Starlingx-discuss] Starlingx network requirement
>
>
>
> Dear All,
>
>
>
> I am planing to setup Starlingx in bare-metal (controller-storage
> deployment)
>
>
> https://docs.starlingx.io/installation_guide/controller_storage.html#controller-storage
>
>
>
> I have couple of questions
>
>
>
> *Q1)* What is the network requirements for this setup. All nodes should
> be in same network, that is the only requirement, right ?
>
> The Management network is on all hosts and also serves as the PXEBoot
> network for booting other hosts from the Controller hosts.
>
> The OAM network is required for controller hosts only.
>
> The Data network is required for compute hosts only.
>
>
>
> *Q2)* In "Hardware Requirements" section, I seen *"Data: n x 10GE
> Compute"*, what that means, is it number of physical interfaces needed
> for data ? what that* "n" *indicate ? is it number of compute nodes ?
>
> The ‘n’ indicates you can have more than 1 port if required for your
> application deployment.  The data networks are not used by the platform, so
> it is up to the application requirements to decide the required number of
> ports and network topology.
>
>
>
> *Q3) *What is the number of physical interfaces needed in controller and
> compute bare-metal nodes ?. From the document I understand that only 2
> physical interfaces are enough, right ?
>
> Controller: 1 Mgmt, 1 OAM
>
> Compute: 1 Mgmt, N Data (where N>=1)
>
>
>
> *Q4) *Is there any picture which shows *Management*, *OAM* and *Data*
> interface connections between controller and compute nodes ?
>
> I don’t think there is a StarlingX document that shows the interconnection.
>
>
>
> *Thanks,*
>
>
>
>
>
>
>
>
>
>
>
>
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