understanding interoperability through mobile phones
DESCRIPTION
I used these slides to teach a class of 70 students from the Post Graduate Diploma and the Masters Programme in Information Systems, in the University of Colombo, Sri Lanka. August, 2008TRANSCRIPT
![Page 1: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/1.jpg)
Understanding Interoperability through Mobile Phones
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Scenario One
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mobile phones
Different manufacturers >
Different Hardware >Different Software >Different Service providers >
Image source: www.techmantra.info
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mobile phones
Call/SMS >
Image source: www.techmantra.info
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mobile phones
Call/SMS >
Image source: www.techmantra.info
Interoperability
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Scenario Two
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mobile phones
Low Battery >
![Page 8: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/8.jpg)
mobile phones
Low Battery >
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mobile phones
Low Battery >
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mobile phones
Low Battery >
No interoperability
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mobile phones
Low Battery >
Solution?
![Page 12: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/12.jpg)
Source: http://flickr.com/photos/hudsonfamily/1345296434/
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Source: http://flickr.com/photos/hudsonfamily/1345296434/
Solution???
![Page 14: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/14.jpg)
Source: http://flickr.com/photos/hudsonfamily/1345296434/
Standards!
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Source: http://flickr.com/photos/hudsonfamily/1345296434/
Standards!
What to standardize?
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Source: http://flickr.com/photos/hudsonfamily/1345296434/
Standards!
What to standardize?
How much to standardize?
![Page 17: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/17.jpg)
Source: http://flickr.com/photos/hudsonfamily/1345296434/
Standards!
What to standardize?
How much to standardize?
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Interoperability: a balancing act!
Standardization and Variability
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Variability
Stan
dard
izatio
n
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Variability
Stan
dard
izatio
n High
Low
Interoperability
![Page 21: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/21.jpg)
Variability
Stan
dard
izatio
n More you standardize: easier it is to make systems 'talk' with each other.
High
Low
Interoperability
![Page 22: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/22.jpg)
Variability
Stan
dard
izatio
n More you standardize: easier it is to make systems 'talk' with each other.
But, there is a catch!
High
Low
Interoperability
![Page 23: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/23.jpg)
Variability
Stan
dard
izatio
n More you standardize: easier it is to make systems 'talk' with each other.
But, there is a catch!
Results in a 'homogeneous system': 'Obvious Interoperability'
High
Low
Interoperability
![Page 24: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/24.jpg)
Variability
Stan
dard
izatio
n More you standardize: easier it is to make systems 'talk' with each other.
But, there is a catch!
Results in a 'homogeneous system': 'Obvious Interoperability'
The real challenge is to remain 'different' but still be able to 'talk' to each other!
High
Low
Interoperability
![Page 25: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/25.jpg)
Variability
Stan
dard
izatio
n
![Page 26: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/26.jpg)
Variability
Stan
dard
izatio
n
Low
High
Interoperability
![Page 27: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/27.jpg)
Variability
Stan
dard
izatio
n
Interoperability with middletier (adapter) tech
Low
High
Interoperability
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Example of Interoperability with middletier (adapter) tech
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Source: http://users.pandora.be/worldstandards/electricity.htm
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Source: http://users.pandora.be/worldstandards/electricity.htmSource: www.nokiaasia.com/link?cid=EDITORIAL_251325
![Page 31: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/31.jpg)
Source: http://users.pandora.be/worldstandards/electricity.htmSource: www.nokiaasia.com/link?cid=EDITORIAL_251325
![Page 32: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/32.jpg)
Source: http://users.pandora.be/worldstandards/electricity.htmSource: www.nokiaasia.com/link?cid=EDITORIAL_251325
Adapter
![Page 33: Understanding Interoperability through Mobile Phones](https://reader034.vdocuments.site/reader034/viewer/2022051015/554baa85b4c905b3618b538b/html5/thumbnails/33.jpg)
Variability
Stan
dard
izatio
n
Interoperability with middletier (adapter) tech
Interoperability without middletier tech