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[Thomas Morin <1750368@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Today, to realize connectivity between two OpenStack clouds (e.g. two distinct
OpenStack deployments, or two OpenStack regions, for instance) some options are
available, such as floating IPs, VPNaaS (IPSec-based), and BGPVPNs. 

However, none of these options are appropriate to address use cases where all
the following properties are desired:

* interconnection consumable on-demand, without admin intervention
  (possible with floating IPs, VPNaaS, but not with the BGP VPN
  interconnections API extension)

* have network isolation and allow the use of private IP addressing end-to-end
  (possible with VPNaaS, and BGP VPN interconnections, but not with
  floating IPs)

* avoid the overhead of packet encryption
  (possible with floating IPs, and BGP VPN interconnections, but by
  construction not with VPNaaS)

The goal of this RFE is to propose a solution to provide network connectivity
between two or more OpenStack deployments or regions, respecting these
constraints.

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: rfe

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https://bugs.launchpad.net/bugs/1750368

Title:
  Neutron-neutron interconnection

Status in neutron:
  New

Bug description:
  Today, to realize connectivity between two OpenStack clouds (e.g. two distinct
  OpenStack deployments, or two OpenStack regions, for instance) some options are
  available, such as floating IPs, VPNaaS (IPSec-based), and BGPVPNs. 

  However, none of these options are appropriate to address use cases where all
  the following properties are desired:

  * interconnection consumable on-demand, without admin intervention
    (possible with floating IPs, VPNaaS, but not with the BGP VPN
    interconnections API extension)

  * have network isolation and allow the use of private IP addressing end-to-end
    (possible with VPNaaS, and BGP VPN interconnections, but not with
    floating IPs)

  * avoid the overhead of packet encryption
    (possible with floating IPs, and BGP VPN interconnections, but by
    construction not with VPNaaS)

  The goal of this RFE is to propose a solution to provide network connectivity
  between two or more OpenStack deployments or regions, respecting these
  constraints.

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