Open Stack

Hi,

Re: blueprint:  https://blueprints.launchpad.net/neutron/+spec/adv-services-in-vms

Before going into more detail on the mechanics, would like to nail down use cases.

Based on input and feedback, here is what I see so far.



Assumptions:



- a 'Service VM' hosts one or more 'Service Instances'

- each Service Instance has one or more Data Ports that plug into Neutron networks

- each Service Instance has a Service Management i/f for Service management (e.g. FW rules)

- each Service Instance has a VM Management i/f for VM management (e.g. health monitor)



Use case 1: Private Service VM

Owned by tenant

VM hosts one or more service instances

Ports of each service instance only plug into network(s) owned by tenant



Use case 2: Shared Service VM

Owned by admin/operator

VM hosts multiple service instances

The ports of each service instance plug into one tenants network(s)

Service instance provides isolation from other service instances within VM



Use case 3: Multi-Service VM

Either Private or Shared Service VM

Support multiple service types (e.g. FW, LB, ...)


-          Greg
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