本文最后更新于 347 天前，其中的信息可能已经有所发展或是发生改变,如有失效可到评论区留言。
Today I suddenly felt like spending a day updating the topology of my home. Compared with the topology diagram around 2015 (I can't remember exactly how long ago), it has changed a lot, which in some ways reflects the rapid development of IT technology. I won't say much about other things, just take a look and have fun.
2015 (estimated):
2023:
After taking a look, it seems that the only equipment that has not been replaced is the home theater audio system, which has been upgraded from the previous 5.1 to the current 5.2.4 panoramic sound. The audio system can indeed be used for a lifetime.
