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RFC 3091, "Pi Digit Generation Protocol", April 2001

Source of RFC: INDEPENDENT

Errata ID: 5217
Status: Reported
Type: Editorial
Publication Format(s) : TEXT
Reported By: Luís Câmara
Date Reported: 2017-12-26

Section 3 says: 

   An OPTIONAL PIgen service is defined as a stateless UDP service.  A
   random distribution of digits of Pi are sent using the payload format
   described in section 2.1.2. to the IP multicast group
   314.159.265.359.

It should say:

   An OPTIONAL PIgen service is defined as a stateless UDP service.  A
   random distribution of digits of Pi are sent using the payload format
   described in section 2.1.2. to the IPv6 multicast group
   ff0e:3141:5926:5358:9793:2384:6264:3833.

Notes:

314.159.265.359 is not a valid IPv4 address, because it contains octets larger than 255. Using IPv6 multicast allows 28 digits of Pi in the address and will accelerate the transition to it.

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