Thanks for the quick reply! On Sat, 18 Jan 2025 23:38:20 +0300 Sergey Matveev wrote: > Well, 30sec latency is anomalously huge delay for IP-link. Even > communication with geostationary satellite has less than 1s RTT. > I can imagine only very buffer-bloated stack, that adds such huge > latencies. The latency occurred when I used IP via Meshtastic. Meshtastic itself uses LoRa (by default in long-fast mode). > Delay-tolerant networking and all that subject is not about > workability of online/SP protocol, but about packets lying in > the spool and having no explicit eviction time, just waiting > when someone, possibly by using store-and-forward method, with > removable media, will take them out. However, as far as I understand it, only the SP supports Perfect Forward Secrecy (PFS), right? -- Marek Küthe m.k@mk16.de er/ihm he/him