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-   -   Scaling PHP/JSON? A "Delta-system" for iPhone? (http://www.mac-forums.com/forums/ios-development/244523-scaling-php-json-delta-system-iphone.html)

hbeverly 07-20-2011 12:39 PM

Scaling PHP/JSON? A "Delta-system" for iPhone?
 
Our little iPhone MMORPG has gotten suddenly exponentially bigger! We're having some trouble with bandwidth to the little iPhone clients [especially on 3G].

Now we just added support for "Player generated content" which also gets returned via PHP calls (JSON):
Missions and Player Generated Content

Any tips on compressing JSON returns from PHP -> iPhone?

Any libraries that do delta-compression of JSON returns?
[e.g. only send JSON data that has changed since the last call was made in the current session?]

Our database (amazon) can keep up... but our clients are having trouble fetching all the data in reasonable latency times. [but we know much of the data has not changed since the last game cycle].

Any help/libraries?


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