by Darius Kazemi, July 21 2019
RFC-202 is titled “Possible Deadlock in ICP”. It's authored by Steve Wolfe and Jon Postel of UCLA and dated July 26, 1971.
The technical content
The UCLA folks have once again found a bug in the Initial Connection Protocol. (The first time was reported in RFC-143. The issue at hand is that if both sides of a connection send a “request for connection” at the same time, then both will simply wait for the other to reply, forever. The authors suggest a minor tweak to the ICP to avoid this.
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I'm Darius Kazemi. I'm an independent technologist and artist. I do a lot of work on the decentralized web with ActivityPub, including a Node.js reference implementation, an RSS-to-ActivityPub converter, and a fork of Mastodon, called Hometown. You can support my work via my Patreon.