Baidu App Technology

Dec 11, 2019 · Mobile Development

Happy Eyeballs Implementation in Baidu App: IPv4 to IPv6 Transition Best Practices

The article explains how Baidu App adopts the Happy Eyeballs protocol—using both RFC 6555 and RFC 8305—to seamlessly transition from IPv4 to IPv6 by concurrently querying DNS, alternating address order, and employing short‑delay fallbacks in its ijkplayer, Cronet, OkHttp, and WKWebView components.