[Babel-users] Source-sensitive packet's format

[Matthieu Boutier]

> but switching to a new TLV number for the newer flag-less format and
> sending warnings for receipt of the old ("old style babels packet
> received, please update babel on that machine") seems most comforting
> to me.

Yes, we should use some higher TLVs values when experimenting, for example considering all TLVs having the first "type's field" bit at 1.

I can change the TLV's value at (0x70 & 13) on all the current version of babels, waiting for merging.

Finally, the "flag" octet, if removed, can be used as "src-plen" octet, such that:

SS Update
0                   1                   2                   3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|   Type = 13   |    Length     |      AE       |    Src Plen   |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|      Plen     |    Omitted    |            Interval           |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|             Seqno             |             Metric            |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|        Prefix...
+-+-+-+-+-+-+-+-+-+-+-+-
|        Source prefix...
+-+-+-+-+-+-+-+-+-+-+-+-

Matthieu