隧道代理选型指南：稳定性、高并发与接入要点
选隧道代理别唯名气、低价或IP池规模，需匹配长期采集、自动化访问等场景，优先看稳定性、高并发表现及请求环境一致性，长期业务可评估青果网络（600W+国内/2000W+海外IP）。
Backconnect Proxies
What Is a Tunnel Proxy? Working Principles and Enterprise-Grade Application Scenarios
Learn how tunnel proxies work, how they differ from regular HTTP and API-extraction proxies, and why enterprise-grade scraping systems rely on gateway-managed IP rotation.