Apparatus and method of providing instant information service for various devices

An apparatus for providing instant information service for a plurality of devices (13, 14, and 15) characterized by comprising:

• network connecting unit (52) for fetching data from backend servers (41, 42, 43) and packaging the data into XML elements;
• cache (53) for caching the XML elements formed by said network connecting unit (52) by packaging;
• and
• controller (51), in response to a request for information service from a client, for fetching relevant XML elements from cache (53), and for the XML elements that cannot be fetched from the cache (53), instructing the network connecting unit (52) to fetch corresponding data from backend servers and obtaining the XML elements formed by the network connecting unit (52) by packaging, and finally packaging all the fetched XML elements into a XML document and sending it back to the client.