Cloud Server Multipath Media Transmission for Latency Reduction
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Solution Overview
Problem
Cloud gaming applications face high response delays due to network congestion between cloud servers and terminal devices, despite existing methods to reduce latency, as these methods are ineffective in controlling unpredictable and uncontrollable network congestion.
Innovation Solution
Implementing a method for data transmission that utilizes multiple physical transmission paths from the cloud server to the terminal device, allowing media data to be transmitted on each path as part or all of the target media data, ensuring that if one path is congested, data on other paths can still be received, thereby reducing response delay and improving user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If single path transmission is used, then device complexity is reduced, but response delay increases under network congestion
Solution Approach 1:
The patent segments the transmission path into multiple independent physical paths (e.g., different network interfaces, routes, or protocols) to transmit media data. This segmentation allows parallel transmission through diverse channels, reducing the impact of congestion on any single path and thereby decreasing response delay without significantly increasing overall system complexity.
Solution Approach 2:
The patent introduces an additional dimension to transmission by utilizing multiple physical paths simultaneously rather than a single path. This multi-dimensional approach allows data to flow through parallel channels, effectively adding spatial redundancy that reduces response delay under congestion conditions while maintaining manageable complexity through standardized path management.
2Reliability
If multiple physical transmission paths are used, then reliability is improved under network congestion, but device complexity increases
Solution Approach 1:
The transmission system is segmented into multiple independent physical paths, each capable of carrying media data separately. This segmentation improves reliability by ensuring that congestion or failure on one path does not affect others, while the modular nature of segmented paths makes management more systematic and less complex than a monolithic transmission system.
Solution Approach 2:
The patent changes the parameter of transmission paths from a single path to multiple paths with different characteristics (e.g., different network interfaces, protocols, or routes). This parameter change diversifies the transmission channels, improving reliability under congestion while the standardized management of these parameter variations keeps complexity controlled.
3Loss of time
If data buffers are reduced, then response delay is reduced, but transmission stability deteriorates under network congestion
Solution Approach 1:
The patent segments the media data transmission across multiple physical paths, allowing smaller data buffers on each path to suffice. This segmentation maintains low response delay by minimizing buffer waiting time on each individual path while improving transmission stability through the redundancy of multiple paths, so if one path experiences instability, others can compensate.
Solution Approach 2:
The patent implements beforehand cushioning by distributing data transmission across multiple physical paths in advance, creating redundancy before network congestion occurs. This approach allows the system to maintain small buffers (reducing response delay) while the pre-established multi-path redundancy provides stability cushioning against congestion, ensuring continuous transmission even if one path fails.
Data Source
AI summary
Embodiment of the present disclosure provide a method, apparatus, device, electronic device, computer readable storage medium, computer program product and computer program for data transmission. The method comprises: obtaining, by a cloud server, target media data to be sent to a terminal device; determining at least two physical transmission paths from the cloud server to the terminal device; and transmitting the target media data to the terminal device on the at least two physical transmission paths, wherein the media data transmitted on each physical transmission path is part or all of the target media data. As such, multipath transmission is realized, thereby ensuring a lower response delay and improving user experience.