[openstack-dev] [Neutron][LBaaS] Proposal for model change - Multiple services per floating IP

Jay Pipes jaypipes at gmail.com
Wed Feb 19 22:17:59 UTC 2014


On Wed, 2014-02-12 at 16:11 -0800, Stephen Balukoff wrote:

>       * This seems less ambiguous from a terminology perspective. The
>         name 'VIP' in other contexts means 'virtual IP address', which
>         is the same thing as a floating IP, which in other contexts is
>         usually considered to be unique to a subset of devices that
>         share the IP (or pass it between them). It doesn't necessarily
>         have anything to do with layers 4 and above in the OSI model.
>         However, if in the context of Neutron LBaaS, "VIP" has a
>         "protocol-port" attribute, this means it's no longer just a
>         floating IP:  It's a floating IP + TCP port (plus other
>         attributes that make sense for a TCP service). This feels like
>         Neutron LBaaS is trying to redefine what a "virtual IP" is,
>         and is in any case going to be confusing for new comers
>         expecting it to be one thing when it's actually another.

This is an excellent point, Stephen.

-jay





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