Progressive Data Downloading for UI Display Delay
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Solution Overview
Problem
Existing data transfer methods over networks often result in delays when displaying documents, as they rely on sequential downloading of data blocks, which can bottleneck the processing of user interfaces, especially in scenarios with slow network connections.
Innovation Solution
Implementing a progressive data downloading system that prioritizes the retrieval of specifically requested data blocks, allowing for faster content display by utilizing a progressive download component to manage data transfer between a data source and a data consumer, thereby reducing delays and optimizing resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If sequential downloading of data blocks is used, then data transfer is simple to implement, but display delay increases
Solution Approach 1:
The system performs preliminary actions by pre-downloading data blocks before they are actually requested by the application. The progressive download component continuously retrieves data blocks from the data container in advance, so that when the application needs specific blocks for display, they are already available or nearly available, thereby reducing display delay without requiring complex on-demand retrieval logic
Solution Approach 2:
A progressive download component is introduced as an intermediary between the data container and the application. This mediator manages the complexity of progressive data retrieval by handling block requests, maintaining download state, and coordinating between the data source and application, thus reducing display delay while keeping the application itself simple
2Productivity
If all data blocks are downloaded sequentially, then data transfer is straightforward, but network bandwidth is underutilized and processing is delayed
Solution Approach 1:
The system performs preliminary downloads of data blocks before they are needed. The progressive download component proactively retrieves multiple blocks in advance, utilizing network bandwidth efficiently while ensuring that blocks are ready when the application needs them, thus improving content display speed without requiring complex real-time scheduling
Solution Approach 2:
The data container is segmented into discrete data blocks that can be independently downloaded and processed. This segmentation allows the progressive download component to retrieve specific blocks in parallel or in optimized sequences, improving overall productivity by allowing selective pre-downloading of multiple blocks rather than waiting for sequential completion
Data Source
AI summary
Techniques relating to progressive data downloading are described. In one instance, a system includes an application configured to utilize data blocks to display content in a user-interface. The system also includes a progressive download component configured to retrieve specific data blocks from a data container responsive to requests from the application.