this post was submitted on 20 Aug 2024
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Because it's not useful. Two routers still share the same frequencies and thus can't send more data over the same air. A single router can already use multiple frequencies to increase throughput. You don't need two to do that. https://en.m.wikipedia.org/wiki/MIMO
If you want to use multiple internet connections and combine their speed, that's possible. Dunno how though and I guess to work best it would need a server somewhere else like a VPN to manage the packets coming from different ips
Software defined wan (SDWAN) is the industry term for bundling multiple independent internet connections to maximise bandwidth.
SD-WAN includes that but it is not its sole purpose, although I agree most vendors will say that's what you want. WAN/Link Aggregation, Multilink Aggregation, Link Load Balancing, Equal Cost Multipath, WAN Virtualisation, etc are ways to bundle multiple links together.
In WIFI terms, it's called channel bonding, it was proprietary and various vendors had their own implementations, see "Super G".
I agree but most of the wan optimisers have rebranded to SDWAN because that was the hype about 7 years ago.
With wifi specifically yea, trying to multiplex a technology that is effectively a CSMA/CA is hard and there is no interoperability.