When is the hybrid IP notation ::ffff:192.168.1.4 appropriate?
问题 Put another way, if an address is IPv4, why bother to express it as IPv6 at all? 回答1: It’s IPv4 expressed through IPv6 so that the application only needs to support one IP stack. Being able to reference IPv4 addresses through IPv6 notation means I can work on getting IPv6 support really solid in my application, and not have to worry about duplicating effort. These days some distributions disable IPv4 compatibility by default (e.g. Debian), and also Windows does this by default. To accommodate