Then why not have the client-side chat code directly interact with the
chat app?  Why would you redirect to one app that in turn redirects to
another?  Seems like an overly complicated design, unless I just don't
get what you are asking / stating.




Robert






On Mon, Mar 14, 2011 at 01:37, Jimmy Au <[email protected]> wrote:
> I do not think the whole google application is within one google app
> engine. I am doing architecture consideration.
> For example. I am doing facebook and i have chat program inside. maybe
> my chat program is different subdomain or project for backend.
>
>
> On Mar 11, 4:09 pm, Robert Kluin <[email protected]> wrote:
>> Hi Jimmy,
>>   If you need two apps to communicate, your only real option is to
>> write some type of service.  You might want to evaluate your reasons
>> for using two separate apps though.  Using two apps will probably add
>> significant complexity (and possibly latency!) to your app.
>>
>>   If you need to do this, look at the URL Fetch API.
>>     if you're using Python:
>>      http://code.google.com/appengine/docs/python/urlfetch/
>>     if you're using Java:
>>      http://code.google.com/appengine/docs/java/urlfetch/
>>
>> Robert
>>
>>
>>
>>
>>
>>
>>
>> On Thu, Mar 10, 2011 at 03:01, Jimmy Au <[email protected]> wrote:
>> > How to do internal communication for 2 project and url rewrite stuff
>> > inside google app engine?
>>
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