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Genius Services
Genius provides components and framework for application co-existence. Following diagram gives an overview of how multiple applications/service based on genius components, can work together.
Genius addresses app co-existence issue based on following principles –
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An overlay tunnel interface is created with type 'tunnel' and particular 'tunnel-interface-type'. Tunnel interfaces are created on a particular DPN with a pair of (local, remote) IP addresses. Currently supported tunnel interface types are VxLAN, GRE and MPLSoverGRE. overlay tunnel interfaces are based on tunnel interafces provided by OVS. Some of these interfaces are not yet available with standard OVS versions. However, there are OVS patches available add specific tunnel interface implementation in OVS. Following are tunnel types for which specific patches are available -
1. VxLAN GPE interafce - following link provides information on how to add VxLAN GPE patch to OVS -
URL: /restconf/config/ietf-interfaces:interfaces
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Resource Manager Framework
Resource Sharing Framework is based on Genius ID-Manager service. ID-Manager service manages resource/ID pools and allocates unique range of integer IDs for specific string keys. These key and ID/range mappings are persisted across controller restarts. The idea for resource sharing is to have common resource pools, managed by ID-Manager and allow applications to dynamically allocate a range of resource IDs for their use. The resource manager component of the framework creates resource Id pools for of-tables, groups, meters etc. Further, different applications can request for a number of resource-IDs from these pools. Same range is always returned across controller restarts.
Resource Framework Components
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