When bulletin boards learned to talk: FidoNet

The store-and-forward network that connected local boards with conversations around the world.

A telephone-connected BBS began life as an island. Its callers could exchange messages with one another, but those words were stored on the board they called. If your friend used another board across town — or across an ocean — there was no automatic way for the messages to travel between them.

FidoNet helped solve that problem. Developed in the 1980s by Tom Jennings, it allowed participating systems to package messages, call one another and exchange mail automatically. Instead of demanding a permanent physical connection, systems used scheduled transfers. The result was a worldwide community carried over ordinary telephone lines.

How store-and-forward worked

Imagine posting a message to a discussion area on your local BBS. When the board's scheduled mail session began, the system bundled outgoing messages and connected with another node. That node accepted the packet and eventually forwarded appropriate material onward. Depending on the route and timetable, a message could arrive elsewhere many hours or even days later.

This was store-and-forward networking. Each system held information until the next connection could deliver it. A failed call did not necessarily destroy the conversation; the software could try again at a later window. Network managers and SysOps had to coordinate schedules, maintain node information and troubleshoot links.

NetMail versus EchoMail

NetMail provided messages addressed to particular people or nodes, closer in spirit to private electronic mail.
EchoMail distributed shared discussion areas among participating systems. A conversation about programming, books or radio could unfold across many local boards.

FidoNet was organized through addressing schemes and routing hierarchies. Numbers identified zones, networks, nodes and sometimes points. To a caller, all of that could disappear behind a message-area menu; to a SysOp, it was a system that required ongoing attention.

WHY CALL AT NIGHT?

Historically, many mailers made automated calls during quieter or less expensive calling periods. Schedules varied by location, tariff and network rules. Users might post today and read incoming replies tomorrow.

Conversation at human speed

The delay changed the social rhythm. Arguments unfolded over days. Thoughtful replies had time to accumulate. Messages could cross political borders and oceans without requiring participants to own always-on network connections. Yet FidoNet was not frictionless: long-distance charges, routing problems, duplicated messages and network policy disputes were part of everyday operation.

From telephone trees to living preservation

FidoNet still interests enthusiasts today, and some systems continue exchanging mail through Internet-era transports and gateways. Its legacy is larger than any technical detail. It showed that hobbyists could assemble a distributed communications network by agreeing on conventions, sharing resources and trusting individual volunteers to keep their systems running.