Dave Crocker <[email protected]> wrote: > > Multiple simultaneous TCP connections are highly problematic. > Especially for new protocols. > > The real world of today's Internet makes it difficult to ensure proper > operation through firewalls and application gateways.
Well they aren't great for congestion control and window sizing, but middleboxes should only be a problem if you are doing FTP-style layering violations. So concurrent connections are normal for HTTP and IMAP and SMTP etc. and work OK for other protocols. After all, the network can't tell the difference between one user's concurrent connections and multiple concurrent users. > It would be very nice to fix this underlying problem, but until it's fixed, > then a new application that uses new TCP ports is not likely to succeed. Everything over port 443. Tony. -- f.anthony.n.finch <[email protected]> http://dotat.at/ Malin: Northeast backing north 5 to 7. Moderate or rough. Rain then showers. Moderate or good. _______________________________________________ imap5 mailing list [email protected] https://www.ietf.org/mailman/listinfo/imap5
