Is it April already? I though April Fools Day wasn't until next month. I did, I did. I did see a snake-oil salesman!
--- () ascii ribbon campaign against html e-mail /\ www.asciiribbon.org > -----Original Message----- > From: Guru NANOG [mailto:nanog.g...@gmail.com] > Sent: Saturday, 03 March, 2012 12:34 > To: nanog@nanog.org > Subject: Spread Spectrum IP Addressing - SOURCE Address Field > ROTATED|shifted? Left 2 Bits > > Common Misconception > > With Spread Spectrum IP Addressing the 32-bit Source Address Field is > Shifted LEFT 2-bits by the originator of the packet. > > That Folds the IPv4 Legacy Address Space into 1/4th tsize table > > The lost 2-bits are stored in the Right-Most 2 bits of the 32-bit > field and in other places in the IPv4 Header > > The Destination can easily recover the Source Address - if the proper > algorithms are in use > > Responses blindly sent back to the shifted Source Address may fall > into agile hands or not > > With the advanced Spread-Spectrum techniques, additional addressing > bits are created from the noise intentionally stored in the Right-Most > 2 bits > > NANOG Operators buying /8s or /6s may want to look at the > Spread-Spectrum CODE in the Linux-based CPE Routers > > The following table is deprecated and 1/4th the size: > http://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.txt > > With Spread-Spectrum collisions and mis-directions are OK and expected but > other > techniques ensure the packets get to the right place. > > http://NANOG.GURU
