mobile_main - # Mobile Computing Mobile Computing Migration...

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" # ! Department of C S E Mobile Computing R. K. Ghosh CSE 100, April, 2005 1 of 19 Mobile Computing Migration is important for survival. Mobility originated from the desire to move ei- ther toward resources or away from scarcity. Mobile computing about both physical and logi- cal computing entities that move. Physical entities are computers that change lo- cations Logical entities are instances of a running user application or a mobile agent. Mobile agents can migrate any where over inter- net. But active applications can only move to a local cluster of computers.
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" # ! Department of C S E Mobile Computing R. K. Ghosh CSE 100, April, 2005 2 of 19 Buzzwords Mobile, ubiquitous, nomadic, untethered, perva- sive and any time, any where, any person com- puting are used by researchers to refer to com- puting that uses small portable devices and wire- less communication n/w. Nomadic computing refer to limited migration. Migration is within a building at a pedestrian speed. Interleaved pattern of user relocation and in- door connections In the same vein, users carrying laptop with DIAL-UP modems are engaged in nomadic com- puting.
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" # ! Department of C S E Mobile Computing R. K. Ghosh CSE 100, April, 2005 3 of 19 Buzzwords Mobile computing requires wireless n/w to support outdoor mobility and handof From one n/w to the next at a pedes- trian or vehicular speed. Traveler in car using laptop connected with a GSM phone – engaged in mobile computing. Ubiquitous computing or pervasive computing reFers to access to computer network all the time at any location by any person. Ubiquitous computing can not be realized unless mobile computing matures.
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" # ! Department of C S E Mobile Computing R. K. Ghosh CSE 100, April, 2005 4 of 19 Relationships: Nomadic–Mobile n/w No Fixed n/w Fixed wireless n/w Nomadic computing Mobile computing Ubiquitous computing n/w (A) Wireless wireless n/w (B) Laptops, PDAs, other hand held device
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" # ! Department of C S E
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This note was uploaded on 12/05/2009 for the course IT IS taught by Professor Arther during the Three '09 term at Queensland Tech.

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mobile_main - # Mobile Computing Mobile Computing Migration...

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