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Hybrid Cloud Framework

Hybrid Cloud Framework. Center for Cloud Computing and Big Data Dept of CSE, PES University, Bangalore Contact: Prof. Dinkar Sitaram , dinkars@pes.edu Partially funded by EMC. Objectives. Bursting across different deployments Workload Migration Policies Support for Scalability

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Hybrid Cloud Framework

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  1. Hybrid Cloud Framework Center for Cloud Computing and Big DataDept of CSE, PES University, BangaloreContact: Prof. DinkarSitaram, dinkars@pes.eduPartially funded by EMC

  2. Objectives • Bursting across different deployments • Workload Migration Policies • Support for • Scalability • High Availability • Interface OpenStack with other clouds

  3. High Level Architecture

  4. Implemented Architecture Top Cell/ Cells Scheduler Pseudo-Child Cell Child Cell Private Cloud Resources Public Cloud Resources

  5. Current Deployment VPN/Firewall Node VPN/NAT Firewall Node Transport Layer Security Top-Cell Public Cloud Pseudo-Child Cell Private Cloud Child Cell

  6. Implementation Details • Our implementation of a hybrid cloud consists of OpenStack as the primary cloud and Amazon EC2 as the foreign cloud. • Cells Architecture of OpenStack is deployed to have a parent cell and child cells. • The driver in pseudo-cell was re-written to be an EC2 driver.

  7. Security • Currently, not integrated with Federated Security • Future work • The driver uses the EC2 authentication and provides the EC2 virtualization platform to spawn the VM on EC2. • The VM spawned on EC2 returns the endpoints which are used to update the databases of children and parent

  8. Pseudo-Child Cell Handle incoming Messages and update Top Cell about status Nova-Cells Child Updates Database and makes call to Interface driver Nova-Compute Interface that speaks to the Public Cloud to execute resource requests Interface to the public cloud

  9. Work Flow • Request for compute resources arrives at parent or top cell. • The cells scheduler of the parent checks capabilities of all its child cells and selects a target cell as per policy • If the target cell is not the EC2 pseudo-child cell then the scheduler routes the request to the target cell and it spawns a VM using local resources. • If the request is routed to the EC2 pseudo-child cell then the VM is spawned using resources of Amazon by using its API provided in the driver. • Once the VM is spawned in Amazon, it returns the endpoints to the target cell. This cell extracts required metadata from these endpoints. • Each child updates their databases and then push the metadata to the parent to be updated in the parent. Top Cell/ Cells Scheduler Pseudo-Child Cell Child Cell Public Cloud Resources Private Cloud Resources

  10. Conclusion • The proposed architecture is simple in implementation for many well-known clouds as it leverages hierarchical features already found in clouds such as OpenStack and Eucalyptus. • This architecture has been implemented for federation between multiple OpenStack clouds and OpenStack-Amazon federation.

  11. Future Work • Take forward as a contribution to Openstack • Integrate federated security

  12. Thank You

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