OPTIMIZING OFFLINE MESSAGE NETWORK HISTORY DELIVERY FOR USERS ACCESSING AN APPLICATION FROM A SINGLE DEVICE

摘要

The device for maintaining the privacy of the other offline users messages and reducing the bandwidth requirements for the transmission of the message sending a message from a Web service server to the computing device shared by the current user, and other offline users, system and methods are currently on to be a registered user and offline user computing device to the Web service server receives a login by the first user is determined to be the current user in the Web service server from the computing device, a web service server as to check the database for undelivered messages to offline users, at least that is not being accessed, any user other than the current user to check the database, it is determined that the user is offline, respectively Oprah May also include storing the to to encrypt the user's undelivered messages, sending a non-delivery message to the computing device, and an off-line user with undelivered messages encrypted to the computing device.;