Subj : type 2.2 pkt header
To   : Carlos Navarro
From : Rob Swindell
Date : Sun Apr 16 2023 11:36:49

  Re: type 2.2 pkt header
  By: Carlos Navarro to Rob Swindell on Sun Apr 16 2023 09:48 am

 > 14 Apr 2023 11:48, you wrote to me:
 >
 >  >> My tosser calls FSC-39 packets "Type 2+"...
 >
 >  RS> What does your tosser call FSC-48 formatted packets?
 >
 > "Type 2+" too. That is what it shows in the toss logs.

SBBSecho used to do that too, but I found that to be kind of confusing, and since FSC-39 makes no mention of "Type 2+", I just call/log FSC-39 packets as "Type 2e" instead.

 >  >> My question was about the "defacto standard" that Maurice
 >  >> mentioned. It may seem that the most common is FSC-39: hpt, FMail,
 >  >> Squish, Mystic, etc.
 >
 >  RS> My recollection was that most packets that I see are in FSC-48 format
 >  RS> (i.e. include the auxNet field), but I'll double-check that.
 >
 > IIUC, FSC-39.4 and FSC-48 packets are identical unless they are generated by
 > a point system.

Or unless the FSC-48 compliant tosser *always* writes the originating net to the auxNet field (ala SBBSecho and Squish). Oddly, Squish (at least the code on github) has the generation and parsing of the magic (65535) value in the orignet field disabled (commented out), so it's actually more FSC-39 compliant than FSC-48.

 > I have PKTs from points using FMail, WinPoint, OpenXP, HotdogEd, Aftershock.
 > All of them are FSC-39. Will try to get some from other tossers/packages.
 >
 > I got the idea that FSC-39 may be more common from a message by Oli (posted
 > some years ago):
 >
 > === Cut ===
 > I compiled a list of the supported packet formats for popular tossers 4
 > years ago. I don't know if anything has changed since then and it might be
 > not 100% accurate, but it looks like FSC-0039 is the standard that most
 > tossers use for outbound packets and that every tosser can read.

 > | SBBSecho          | 39, 45, 48 | 45, 48 |

I was trying to remember who it was that inspired me to add explicit type-39 support to SBBSecho, and that report I think was the inspiration. Looks like I made that change back in 2017.
-- 
                                            digital man (rob)

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