On 2023-08-02 13:20, BCLUG via talk wrote:
High throughput (approaching theoretical maximum for the underlying carrier) and very fast to re-establish connections when moving from, say, WiFi to LTE.
With VPNs that use UDP encapsulation, there's no connection to re-establish. Every UDP packet stands alone. It's also irrelevant what network the packet originates on. I discovered this years ago, while sitting in the Linux Cafe (anyone here remember that?). I was connected via the store's WiFi and then noticed an open WiFi in the neighbourhood. I could switch connections without dropping the VPN. I was using CIPE VPN at the time, IIRC. This is also why you have seamless roaming between WiFi calling and the cell network, with VoLTE or VoNR.
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