Patent ID: 7467221

Claim:
A method of transferring image information in an asynchronous communication network, comprising the steps of: detecting a random access point in image information to be transferred and storing the image information up to the next random access point in one of a plurality of buffers; selecting image information which has not been transmitted and has a time stamp equal to or smaller than a reference time from among said plurality of buffers, transmitting the selected image information, and deleting the image information from the buffer after transmission; and deleting image information which has not been transmitted and has a time stamp larger than the reference time from among said plurality of buffers, wherein said image information transferring method further comprises the steps of: receiving a request of the image information; determining whether or not the requested image information is stored in a storage; reading the image information from the storage for transmission when the requested image information is stored, and requesting a video content provider to send the image information and receiving the image information for transmission when the requested image information is not stored in the storage.