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Hi Is there any document describing VPNaaS for Icehouse. The document I found are: 
https://docs.google.com/document/d/1Jphcvnn7PKxqFEFFZQ1_PYkEx5J4aO5J5Q74R_PwgV8/edit?pli=1
Virtual Private Network as a Service (VPNaaS) — Neutron Specs 0.0.0.post402 documentation
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| Virtual Private Network as a Service (VPNaaS) — Neutron Specs 0.0.0.post402 documentationIPSec site connections Manage IPSec site-to-site connections through the VPN as a Serviceextension. Table IPSec site connection attributes Attribute Type Required  |
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| View on specs.openstack.org | Preview by Yahoo |
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 Neutron/VPNaaS - OpenStack
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| Neutron/VPNaaS - OpenStackContents 1 OUTDATED 2 Overview 2.1 DataModel 2.1.1 VPNServices Resource 2.1.2 IKEPolicies Resource 2.1.3 IPsecPolicies Resource 2.1.4 ipsec-site-connection Resource  |
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| View on wiki.openstack.org | Preview by Yahoo |
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Are these documents applicable for Icehouse ?
Also, I have the following questions regarding VPNaaS in Icehouse (or even Juno / Kilo):
1. Is only one subnet local + 1 subnet remote supported per VPN service ?2. Is there always a 1 : 1 mapping between VPNService and VPNServiceConnection ?3. Is the VPN gateway same as the neutron router or can be different ?4. What is the difference between subnet_id and local_cidr ?
Regards,Anik

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