While Microsoft has operated a set of Teredo servers since they released the first Teredo pseudo-tunnel for Windows XP, they have never provided a Teredo relay service for the IPv6 Internet as a whole.
虽然微软自发布用于Windows XP的Teredo伪隧道以来运行有一组Teredo服务器，但他们从未为IPv6互联网整体提供Teredo中继服务。