Github user KrisSterckx commented on the pull request: https://github.com/apache/cloudstack/pull/1494#issuecomment-220394412 Hi @DaanHoogland The architecture is `cloudstack <nuagevsp-plugin> ---cmp--> nuage-vsp-acs-client ---cfg--> Nuage VSP platform` with - nuagevsp-plugin : the plugin in cloudstack - nuage-vsp-acs-client : publicly available middleware which glues the plugin to the Nuage VSP platform - Nuage VSP platform : the Nuage Networks SDN platform, commercially available (http://www.nuagenetworks.net) and - `---cmp-->` a compile-time dependency (resolved by Maven, cfr @nlivens's update of the pom file) - `---cfg-->` a configuration-time dependency, resolved at cloudstack infrastructure provisioning time when adding the cloudstack NuageVsp device to its Physical Network (and part of that, provisioning the API URL and credentials of the Nuage VSP platform itself). Adding the NuageVsp device in cloudstack will fail when invalid Nuage VSP configuration is submitted (wrong API URL and/or wrong credentials) (as at that time the nuage-vsp-acs-client software will attempt to logon to the specified Nuage VSP platform), which would happen when the user has no Nuage VSP platform at all. The end-result of that is that no device is added, and so the physical network remaining unusable until another device is added.
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