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Re: [Detnet-dp-dt] Figure 10 (example of DetNet data plane operation)

Loa Andersson <loa@pi.nu> Sun, 12 March 2017 06:35 UTC

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From: Loa Andersson <loa@pi.nu>
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Date: Sun, 12 Mar 2017 14:35:24 +0800
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Subject: Re: [Detnet-dp-dt] Figure 10 (example of DetNet data plane operation)
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Carlos,

There is a

T11
L3
PW2
seq#
FID2

Between DA-T-PE3 and R4, right?

One other thing is that if we do the Figure this way, we miss the
option of showing that there is a possibility to merge L-labels on to
the same T-label.

/Loa

On 2017-03-12 00:36, Carlos Jesús Bernardos Cano wrote:
> Hi,
>
> I've committed a proposal of Figure 10 for the example in the annex,
> trying to make it a bit simpler (so we use it with ascii art):
>
> --8-<----8-<----8-<----8-<----8-<----8-<----8-<----8-<----8-<----
>
>         T1      ->R1----->DA-S-PE1---->R2---->DA-S-PE2--->R3
>         L1     /     L1            T2     L2           T3   \    L2
>         PW1   /      PW1           L2     PW1          L2    \   PW1
>        #seq  /       #seq          PW1    #seq         PW1    \  #seq
>        FID1 /        FID1          #seq   FID1         #seq    \ FID1
>            /                                           FID1     v
>   E1-->DA-T-PE1                                            DA-T-PE2-->E3
>            \                                T5     T6           ^
>          T4 \        L2     L3              L4     L5          /
>          L2  \       PW1    PW2             PW1    PW2        /
>          PW1  \      #seq   #seq            #seq   #seq      /
>          #seq  \     FID1   FID2            FID1   FID2     /
>          FID1   =>R4------------->DA-S-PE2--------------->R5
>                /                    ^                       \
>               /                      \    L9                 \
>              /                        \   PW2                 \
>             /                          \  #seq                 \
>            /                            \ FID2                  v
>   E2-->DA-T-PE3                         R9<-    T10        DA-T-PE4-->E4
>            \                     T8         \   L9    T9        ^
>          T7 \      L6            L7     L7   \  PW2   L8       / L8
>          L6  \     PW2           PW2    PW2   \ #seq  PW2     /  PW2
>          PW2  \    #seq          #seq   #seq   \FID2  #seq   /   #seq
>          #seq  \   FID2          FID2   FID2    \     FID2  /    FID2
>          FID2   ->R6---->DA-S-PE2---->R7---->DA-S-PE6---->R8
>
>
>               Figure 10: Replication and elimination example
>
> --8-<----8-<----8-<----8-<----8-<----8-<----8-<----8-<----8-<----
>
> Comments? Surely, I've made mistakes...
>
> Carlos
>
>
> _______________________________________________
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> Detnet-dp-dt@ietf.org
> https://www.ietf.org/mailman/listinfo/detnet-dp-dt
>

-- 


Loa Andersson                        email: loa@mail01.huawei.com
Senior MPLS Expert                          loa@pi.nu
Huawei Technologies (consultant)     phone: +46 739 81 21 64

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