"Tactical" /24 announcements

Randy Bush randy at psg.com
Tue Aug 17 10:58:19 UTC 2021


> Somewhat related, when JNPR implemented RTR the architecture was
> planned so that the RTR implementation itself isn't tightly coupled to
> RPKI validity. It was planned day1 that customers could have multiple
> RTR setups feeding prefixes and the NOS side could use these for other
> purposes too.

back in the day, the developing RP-rtr spec assumed multiple sources,
RPKI, IRR, ...  there was also an open-ended operator defined Color

0          8          16         24        31
.-------------------------------------------.
| Protocol |   PDU    |                     |
| Version  |   Type   |        Color        |
|    0     |    4     |                     |
+-------------------------------------------+
|                                           |
|                 Length=20                 |
|                                           |
+-------------------------------------------+
|          |  Prefix  |   Max    |  Data    |
|  Flags   |  Length  |  Length  |  Source  |
|          |   0..32  |   0..32  | RPKI/IRR |
+-------------------------------------------+
|                                           |
|                IPv4 prefix                |
|                                           |
+-------------------------------------------+
|                                           |
|         Autonomous System Number          |
|                                           |
`-------------------------------------------'

until, at ietf maastricht (2010), the unfortunate actions of a bully who
wanted more and more caused us to walk away, give up, and fall back to
the simpler basic we have today.

0          8          16         24        31
.-------------------------------------------.
| Protocol |   PDU    |                     |
| Version  |   Type   |    reserved = zero  |
|    0     |    4     |                     |
+-------------------------------------------+
|                                           |
|                 Length=20                 |
|                                           |
+-------------------------------------------+
|          |  Prefix  |   Max    |          |
|  Flags   |  Length  |  Length  |   zero   |
|          |   0..32  |   0..32  |          |
+-------------------------------------------+
|                                           |
|                IPv4 Prefix                |
|                                           |
+-------------------------------------------+
|                                           |
|         Autonomous System Number          |
|                                           |
`-------------------------------------------'


randy


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