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The Design, Implementation & Evaluation of Cells : A Virtual Smartphone Architecture

The Design, Implementation & Evaluation of Cells : A Virtual Smartphone Architecture . By : Versha Thakur Shravani Aishwarya. Introduction. Smartphones- most necessary tools to carry nowadays. Cells are used to enable virtual smartphone features.

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The Design, Implementation & Evaluation of Cells : A Virtual Smartphone Architecture

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  1. The Design, Implementation & Evaluation of Cells : A Virtual Smartphone Architecture By : Versha Thakur ShravaniAishwarya

  2. Introduction • Smartphones- most necessary tools to carry nowadays. • Cells are used to enable virtual smartphone features. • Features like 3D graphics, power management, caller ID support etc. • Malicious software's can easily access data. • Solution – Virtual Machine (VM) Mechanism • Cells uses OS virtualization (run multiple VP’s on a single instance) • Tested on Google Nexus 1 and Nexus S phones.

  3. Requirements • Support exclusive & shared access across VPs. • Sensitive information must never be leaked. • Prevent malicious applications.

  4. USAGE MODEL • Cells runs on multiple VPs on a single hardware phone. • VP runs a standard Android environment. • Different level of access & permissions based on the function to be performed. • Switching of VPs depend on the level of access given. • VPs configured on a PC & downloaded to a phone via USB.

  5. SYSTEM ARCHITECTURE

  6. GRAPHICS

  7. Experimental Results

  8. REPEATABILITY • Resources are not expensive or difficult to perform research • Requires a group of people with knowledge of many different topics. • REPEATABLE, if proper knowledge in all fields of software & hardware.

  9. EXTENDABILITY • Done in 2012. • Android latest version (4.3) supports the user profiles. • Samsung released few devices – one click switch between Android & Windows. • Samsung is running two completely different OS on one device. • So research is already extended.

  10. CRITICISM • Missing concepts such as Hardware virtualizations. • Latest cell phones are providing various multi-tasking features. • Only performed to run same OS on different VP’s. • If two different OS’s is implemented – increase the acceptance of the product. • Research on only one phone model Google Nexus.

  11. CONCLUSION • Driven by virtualization mechanisms, device namespaces. • Virtualized critical hardware devices such as framebuffer and GPU. • Android’s complicated power management framework- no extra power consumption. • Cells provides each VP with complete use of standard cellular phone network by using VoIP cloud service. • Implemented on Google Nexus 1 and Nexus S.

  12. REFERENCES • http://dl.acm.org/citation.cfm?id=2324876.2324877&coll=DL&dl=ACM • http://www.cs.columbia.edu/~cdall/pubs/Cells-SOSP-final.pdf • http://systems.cs.columbia.edu/projects/cells/ • http://thecsbox.com/2013/05/cells-virtual-smartphone-architecture/ • http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.231.5887

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