Heterogeneous network transfer method considering cache window size and cache time in dynamic time

摘要

The present invention provides a dynamic time window and a cache mechanism of a heterogeneous network transmission, wherein the above-described method adds the Available_Time and Asset_Size attributes of the media content to the signaling or other portion of the signaling of the existing MMT, To obtain the obtainable time and media content size of the corresponding media content. At the same time, the client terminal identifies the network delay from the broadband network bandwidth and broadband content to the client, and through the available time and broadband channel delay of the broadband source content, the client terminal transmits the pre- Calculates the cache window size that the terminal needs. The present invention solves the problem that content synchronization can not be performed due to a broadband clogging among heterogeneous terminals configured in broadcast and broadband, and at the same time, additional consumption caused by a cache in a client can be reduced.