[Netmod-ver-dt] Example of new "ledger" versioning

"Sterne, Jason (Nokia - CA/Ottawa)" <jason.sterne@nokia.com> Thu, 04 April 2019 13:57 UTC

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From: "Sterne, Jason (Nokia - CA/Ottawa)" <jason.sterne@nokia.com>
To: "netmod-ver-dt@ietf.org" <netmod-ver-dt@ietf.org>
Thread-Topic: Example of new "ledger" versioning
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Date: Thu, 04 Apr 2019 13:57:26 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod-ver-dt/MP8AOdVaBlA_OBkt9kVetrkJl3g>
Subject: [Netmod-ver-dt] Example of new "ledger" versioning
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Hi guys,

I tried to put together a quick example for discussion.

Module Foo:
[v] indicates a version of the module (just a label for this discussion)
--x-- = NBC change
--0-- = BC change


[A]
\
  x
  \
   [B]---o---[E]--x--[G]
     \        \
      o        o--[F]
       \
       [C]
         \
          x
           \
           [D]


Contents of history/ledgers:
[A]
- version [A]

[B]
- version [B], NBC change
- version [A]

[C]
- version [C], BC change
- version [B], NBC change
- version [A]

[D]
- version [D], NBC change
- version [C], BC change
- version [B], NBC change
- version [A]

[E]
- version [E], BC change
- version [B], NBC change
- version [A]

[F]
- version [F], BC change
- version [E], BC change
- version [B], NBC change
- version [A]

[G]
- version [G], NBC change
- version [E], BC change
- version [B], NBC change
- version [A]