SGER: Xen In The Hand (XenITH)

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Mobile computing and wireless telephony are increasing converging, with manyhandheld devices (e.g., PALM Treos and RIM Blackberries) able to assume roles aseither cellular telephones or as computers. A key research question that arises as aconsequence of this convergence is whether the strategies such as virtualization used forisolation and resource sharing in larger cabled computers will be applicable to machinesthat are limited by size, computational power and battery life. This question also has greatbearing on the extent to which NSF's proposed GENI initiative will impact the mostnumerous network endpoints (there are more than 2 billion GSM mobile phones in use,for example).The project focuses on an experimental effort to anticipate this need and provide a definitiveanswer to the question of resource division and isolation in handheld devices. Ourcandidate devices are HP iPaq handhelds, although if time permits we will alsoinvestigate a cellphone platform that uses a reduced version of the Linux operatingsystem. The experiment will be to demonstrate virtualization of a handheld node thatallows it to be used as a MANET (i.e., as a packet relay) concurrently with its use as aVoIP edge device. The performance will be evaluated using the e-Model for voicequality. Maintaining voice quality will demonstrate the effectiveness of the resourcemanagement and isolation.