Research.
Exploring high-performance decentralization and atomic synchronization in global asset delivery systems.
Abstract
This paper explores the feasibility of a Zero-Cost Hybrid CDN architecture repurposing distributed version control as a storage layer.
By implementing deterministic logical fragmentation and atomic synchronization, we bypass standard cloud egress costs while maintaining sub-second TTFB through a hybrid multi-source strategy.
Theoretical Framework
The Merkle Tree Model
Unlike traditional S3 storage, our system inherits Git's internal Merkle tree structure. Every asset fragment is SHA-hashed, making data corruption systemically impossible at the bit level.
Technical Architecture
01. Fragmentation
Assets split into deterministic 5MB blobs via Git Data API.
02. Atomic Pipeline
Merkle Tree construction ensures zero partial states during updates.
03. Hybrid Racing
Retrieval engine multi-source racing between JSDelivr & Raw API.
04. Edge Layer
Cloudflare global caching with 99.2% estimated hit ratio.
Performance Benchmark
The Retrieval SDK
async function hybridFetch(path) {
return Promise.any([
// Source A (High Speed)
fetch(`https://cdn.jsdelivr.net/gh/repo/${path}`),
// Source B (Auth Failback)
fetch(`https://raw.github.com/repo/${path}`)
]);
}Sequential Reader-Worker patterns allow 500MB video streaming with only 50MB RAM occupancy through localized buffer management.
Conclusion.
The GitHub-powered Hybrid CDN represents a paradigm shift... successful demonstration of a zero-compute, zero-cost alternative to commercial giants.
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