To deploy facebook application on wireless internet service, telecommunication companies should prepare below network infrastructures:

1. client server BREW application
2. wireless internet network which including Public Data Serving Node (PDSN), Charging Gateway, AAA server and CDMA network which including BTS, BSC and HLR
3. Internet gateway to connect to outside (Facebook.com)

The key point to introduce Facebook application on wireless internet service which actually has speed up to 153,6 kbps is deploying client – server BREW application. The key parameters while deploying client – server application are:

1. How much maximum speed can be consumed by low end mobile phone which will access Facebook application
2. Memory utilization  and disk capacity that will be allocated on the mobile phone

Client application in this case is Facebook client that will be inserted on the mobile phone with BREW platform. Algorithm and applications details should be pre-defined and should match with the Server before they deployed on the mobile phone. Meanwhile Server application is middle ware server which interact with mobile phone and facebook server. Beside the algorithm and protocol that should have match with the client, server application should proper and same with algorithm on the facebook server as well. This algorithm which called Facebook Algorithm Programming Interface (API) should be synchronized every time once facebook server made any changing

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There are many reasons why facebook application is getting error. The errors that may comes to mobile phone users while they access the application such as, error connection, network problem, application is temporary unavailable, session is expired, there seems to be an errors on the application and many else. Those errors are commonly coming from the wireless network and facebook application itself especially on the Facebook Application Programming Interface (API). When the errors comes from wireless internet network such as error in connection and network down, the problem will appears to the entire of wireless internet service and not only to facebook application. Telecommunication Company understands well what they should do while this error comes to mobile phone users while accessing facebook application or others wireless internet services such as CDMA 1x or GPRS. However when the errors come from the facebook application itself such as Application Programming Interface (API) protocol than the real problem to facebook application is coming. Application Programming Interface (API) is set of software so one software can interact with others software. Application Programming Interface (API) is required by mobile facebook developer to interact with facebook application. Open source Application Programming Interface (API) protocol is the most popular one used by mobile facebook developer while they deploying mobile facebook client on the middleware server. The main issue is that this  open source Application Programming Interface (API) changing more often and without notification to mobile facebook developer to synchronize their facebook clinet. And the result, mobile phone with facebook client will always generate many errors caused by this Application Programming Interface (API) changing

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To deploy Facebook application on such VAS, there are 2 components that should be deployed. The first is the Facebook client which will be inserted to the mobile phone with Facebook application. The second is middleware server which response any request comes from facebook client to facebook.com. Middleware server should interact with facebook.com so facebook client (mobile phone user) can generate facebook application and can do many activities there such as updating the status, commenting and change the profile. To interact with facebook.com, middleware server use Facebook Java Application programming interface (API) protocol provided by facebook.com itself.

Due to huge traffic especially the traffic comes from mobile facebook application trigged facebook.com to keep updating and changing the open source Java Application programming interface (API) protocol. This changing should be anticipated by mobile developer which responsible on middleware server and synchronize their facebook Java Application programming interface (API) with the new changing. More often, the changing on Facebook API is minor which means that only several sub modules were changed but it is still impacted to the customers experiences while they accessing facebook through mobile phone. The impact of API changing which did not synchronized on midlleware server could be time out response while mobile user tries to access facebook.com. Facebook mobile developer should anticipate this API changing that may come anytime.

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