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

Carlos Jesús Bernardos Cano <cjbc@it.uc3m.es> Sun, 12 March 2017 11:02 UTC

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From: Carlos =?ISO-8859-1?Q?Jes=FAs?= Bernardos Cano <cjbc@it.uc3m.es>
To: Loa Andersson <loa@pi.nu>, detnet-dp-dt@ietf.org
Date: Sun, 12 Mar 2017 12:02:29 +0100
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Subject: Re: [Detnet-dp-dt] Figure 10 (example of DetNet data plane operation)
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Hi Loa,

On Sun, 2017-03-12 at 14:35 +0800, Loa Andersson wrote:
> Carlos,
> 
> There is a
> 
> T11
> L3
> PW2
> seq#
> FID2
> 
> Between DA-T-PE3 and R4, right?

Yes, I missed that.

> 
> 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.

Well, the figure was just meant to be an example in the annex. We can
mention that there are other options (and even also do a figure for
that). I think there is value in including an example to show the label
stack (at least, for me it is quite helpful to understand for what each
 label is used :D).

Thanks,

Carlos

> 
> /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    \   PW
> > 1
> >        #seq  /       #seq          PW1    #seq         PW1    \  #s
> > eq
> >        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   /   #s
> > eq
> >          #seq  \   FID2          FID2   FID2    \     FID2  /    FI
> > D2
> >          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
> > 
> > 
> > _______________________________________________
> > Detnet-dp-dt mailing list
> > Detnet-dp-dt@ietf.org
> > https://www.ietf.org/mailman/listinfo/detnet-dp-dt
> > 
> 
>

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