Pee-Lo's main aim is to create an environment where physicians and patients can work together regardless of geographical location and equipment (end user devices) constraints. By refering to the diagram above, it clearly shows that the user; being him a physician or a patient can view his patient's medical record and heatlh record respectively with ease with disregard of what devices he uses

The solution is designed in such a way that any devices can be used to access these information. Format of the information displayed on a particular device will vary depending on the screen limitation and the capability of the device used.

The greatest advantage of this solution is the use of web services. Web services are built using XML. Therefore data being transfered from server to client devices are all encapsulated in 'XML envelopes' thus creating a standard way of data representation from the server to the client. The data will be processed at the server side and the presentation of the data will be processed at the client side.

Anothet great feature of this solution will be that it can gives multiple servers from different facilities to work together as if the whole system is one major system. This is achieved using web services.

If we are to look into the ways how devices access the data from the server, the diagram directly above will tells use that the whole process begins with a collection of servers interconnected together. These servers is where the data are kept. Mobile server servers cell phone devices, the database server will keep all the database involved, the web server will be used to serve web pages and the application servers are where the logic and the business rules are kept.

The intermediate layer will be the access points. This layer serves only to show how the data is sent to the clients; either through wireless or the conventional wired connection.

On the topmost layer will be on how the users can access the system. Web based access can be used by any devices which are not PDAs. Application access is possible for those devices (not PDAs) which run on Windows OS.

PDA Web Based Access are for all PDA devices. For PocketPCs, there is a specialy built PocketPC application that has an enhanced functionality compared to its web access cousin.

For cell phones, WAP Based Access will be used.

The difference between application and web based access is that application access has more functionalities than that of web based access. Since web based access runs on browers, it has difficulties complying to more complex display formats.

PDA web based and application access shows only the subset of information that can be displayed on desktops or those 'more powerful' devices due to this physical limitations.

WAP based access will serve as a pager for patients and physicians. It can be used to view certain information as well and this information has to be the subset of the information shown in PDA devices.