Support for multiple TCP/IP ports has been part of HCL Domino since the early days. Back then, it was first essential to support multiple simultaneous modem connections. It also proved valuable for clustered servers using dedicated network cards.
While today’s networks offer 1 Gbit/s or even 10 Gbit/s speeds—making multiple ports less necessary from a raw bandwidth perspective—there are still compelling reasons to use multiple Notes ports in modern environments.
This is a companion discussion topic for the original entry at https://blog.nashcom.de/nashcomblog.nsf/dx/benefits-of-running-domino-with-multiple-tcpip-ports.htm