secure was a important part of distributed soft bus. i believe LAN performs better than WLAN. | | Yunli Liu | | liuyunli1992@163.com | 签名由网易邮箱大师定制 On 5/26/2021 13:19，zou wrote： Following opened documents, distributed soft bus use broadcast to find devices and only supported LAN. Consider of some huge device number case, a DHT like KAD will be better than broadcast. By using DHT(KAD), a stronger Peer-to-Peer network can be construct. On the other hand, devices Not only in a same LAN but also WLAN can connecting with another devices with auth methods, and things will going to be more funny.