[ovs-discuss] Internal load balancer

Blue Lang blue at veracity.io
Wed Sep 13 16:45:58 UTC 2017


https://github.com/OpenState-SDN/ryu/wiki/Server-Load-Balancing


On Wed, Sep 13, 2017 at 12:25 PM, Emmanuel Duros <
Emmanuel.Duros at oneaccess-net.com> wrote:

> Dear All,
>
> I am trying to figure out if there are any possibilities to
> create an internal load balancer.
>
> Basically I would like to create the following setup with
> OVS and VMs:
>
>
>      WAN     LAN        WAN     LAN
>      --- VM1 ---        --- VM2 ---
>     |           |      |           |
>     |           |      |           |
>  ----------------------------------------
> |                 OVS                    |
>  ----------------------------------------
>       |                        |
>       |                        |
>      eth0                     eth1
>     (WAN)                    (LAN)
>
>
> Those VMs operate as bridge and we may imagine having more than
> 2.
>
> I Would like to distribute flows among the VMs based on L2, L3
> and/or L4 information. Is there a way to dynamically do this ?
>
> I have checked the interface bonding feature with the balance−slb
> mode but it seems to be appropriate for bonding physical
> interface. Furthermore, it uses the src MAC address which is not
> very relevant in this scenario.
>
> If there is no way to configure this in OVS, I am thinking of
> writing a user app load balancer that would be connected through
> multiple tap interfaces to OVS. E.g the app would receive traffic from
> eth0 via OVS, and select an output tap interface. This tap interface would
> be linked to a specific VM by configuration.
>
> Any hint would be highly appreciated !
>
> Thanks
> Emmanuel
> _______________________________________________
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> discuss at openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
>



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