Re: [OSPF] [Technical Errata Reported] RFC2328 (3644)

Acee Lindem <acee.lindem@ericsson.com> Sat, 08 June 2013 03:45 UTC

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From: Acee Lindem <acee.lindem@ericsson.com>
To: Preet DSouza <preet.desouza17@gmail.com>
Thread-Topic: [OSPF] [Technical Errata Reported] RFC2328 (3644)
Thread-Index: AQHOY7f6qPhyD2LpzUW3CpH5q4igrJkq7r+AgAAEDYCAAARUAIAAAa6AgAB4CQA=
Date: Sat, 08 Jun 2013 03:45:29 +0000
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Cc: "<jmoy@casc.com>" <jmoy@casc.com>, RFC Errata System <rfc-editor@rfc-editor.org>, OSPF List <ospf@ietf.org>
Subject: Re: [OSPF] [Technical Errata Reported] RFC2328 (3644)
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Hi Preet,
Figure 3 contains "The resulting directed graph". Since Ia and Ib are simply the endpoints of a point-to-point network, they do not represent vertexes in the directed graph and need not be included in figure 3. A point-to-point link is imply an edge in the graph. My recommendation is that your errata be rejected.
Thanks,
Acee
On Jun 7, 2013, at 4:35 PM, Preet DSouza wrote:

Kindly note that I've made a minor mistake in the RFC errata notes.

It says,


Notes:

section 2.1.2

Page 20, Figure 2 : A sample Autonomous System.

The interfaces Ia and Ib have not been added to the directed graph.
By definition of point-to-point links under OSPF, for serial interfaces defined by IP addresses,
router RT6 should advertise a stub network to Ib whereas router RT6 should advertise a stub network to Ia .


It should say,


Notes:

section 2.1.2

Page 20, Figure 2 : A sample Autonomous System.

The interfaces Ia and Ib have not been added to the directed graph.
By definition of point-to-point links under OSPF, for serial interfaces defined by IP addresses,
router RT6 should advertise a stub network to Ib whereas router RT10 should advertise a stub network to Ia .



On Sat, Jun 8, 2013 at 1:59 AM, Preet DSouza <preet.desouza17@gmail.com<mailto:preet.desouza17@gmail.com>> wrote:
    The corrected text should be as under.
    The additions are noted in bold.

                                   **FROM**

                 |RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|
                 |1 |2 |3 |4 |5 |6 |7 |8 |9 |10|11|12|N3|N6|N8|N9|
              ----- ---------------------------------------------
              RT1|  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |  |
              RT2|  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |  |
              RT3|  |  |  |  |  |6 |  |  |  |  |  |  |0 |  |  |  |
              RT4|  |  |  |  |8 |  |  |  |  |  |  |  |0 |  |  |  |
              RT5|  |  |  |8 |  |6 |6 |  |  |  |  |  |  |  |  |  |
              RT6|  |  |8 |  |7 |  |  |  |  |5 |  |  |  |  |  |  |
              RT7|  |  |  |  |6 |  |  |  |  |  |  |  |  |0 |  |  |
          *   RT8|  |  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |
          *   RT9|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |
          T  RT10|  |  |  |  |  |7 |  |  |  |  |  |  |  |0 |0 |  |
          O  RT11|  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |0 |
          *  RT12|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |
          *    N1|3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
               N2|  |3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
               N3|1 |1 |1 |1 |  |  |  |  |  |  |  |  |  |  |  |  |
               N4|  |  |2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
               N6|  |  |  |  |  |  |1 |1 |  |1 |  |  |  |  |  |  |
               N7|  |  |  |  |  |  |  |4 |  |  |  |  |  |  |  |  |
               N8|  |  |  |  |  |  |  |  |  |3 |2 |  |  |  |  |  |
               N9|  |  |  |  |  |  |  |  |1 |  |1 |1 |  |  |  |  |
              N10|  |  |  |  |  |  |  |  |  |  |  |2 |  |  |  |  |
              N11|  |  |  |  |  |  |  |  |3 |  |  |  |  |  |  |  |
              N12|  |  |  |  |8 |  |2 |  |  |  |  |  |  |  |  |  |
              N13|  |  |  |  |8 |  |  |  |  |  |  |  |  |  |  |  |
              N14|  |  |  |  |8 |  |  |  |  |  |  |  |  |  |  |  |
              N15|  |  |  |  |  |  |9 |  |  |  |  |  |  |  |  |  |
               H1|  |  |  |  |  |  |  |  |  |  |  |10|  |  |  |  |
               Ia|  |  |  |  |  |  |  |  |  |5 |  |  |  |  |  |  |
               Ib|  |  |  |  |  |7 |  |  |  |  |  |  |  |  |  |  |


On Sat, Jun 8, 2013 at 1:44 AM, Preet DSouza <preet.desouza17@gmail.com<mailto:preet.desouza17@gmail.com>> wrote:
Hello Acee,

I made two additions.
The last two rows in the **To** column have been added.
They are interfaces  Ia and   Ib  which are represented as stub networks owing to their definition on a point-to-point link between RT6 and RT10


On Sat, Jun 8, 2013 at 1:29 AM, Acee Lindem <acee@lindem.com<mailto:acee@lindem.com>> wrote:
Preet - Can you denote which boxes you changed and why? In its current state, this errata should be summarily rejected.
Thanks,
Acee
On Jun 7, 2013, at 3:46 PM, RFC Errata System wrote:

> The following errata report has been submitted for RFC2328,
> "OSPF Version 2".
>
> --------------------------------------
> You may review the report below and at:
> http://www.rfc-editor.org/errata_search.php?rfc=2328&eid=3644
>
> --------------------------------------
> Type: Technical
> Reported by: Preet D'Souza <preet.desouza17@gmail.com<mailto:preet.desouza17@gmail.com>>
>
> Section: 2.1.2
>
> Original Text
> -------------
>                                       **FROM**
>
>                 |RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|
>                 |1 |2 |3 |4 |5 |6 |7 |8 |9 |10|11|12|N3|N6|N8|N9|
>              ----- ---------------------------------------------
>              RT1|  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |  |
>              RT2|  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |  |
>              RT3|  |  |  |  |  |6 |  |  |  |  |  |  |0 |  |  |  |
>              RT4|  |  |  |  |8 |  |  |  |  |  |  |  |0 |  |  |  |
>              RT5|  |  |  |8 |  |6 |6 |  |  |  |  |  |  |  |  |  |
>              RT6|  |  |8 |  |7 |  |  |  |  |5 |  |  |  |  |  |  |
>              RT7|  |  |  |  |6 |  |  |  |  |  |  |  |  |0 |  |  |
>          *   RT8|  |  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |
>          *   RT9|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |
>          T  RT10|  |  |  |  |  |7 |  |  |  |  |  |  |  |0 |0 |  |
>          O  RT11|  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |0 |
>          *  RT12|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |
>          *    N1|3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
>               N2|  |3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
>               N3|1 |1 |1 |1 |  |  |  |  |  |  |  |  |  |  |  |  |
>               N4|  |  |2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
>               N6|  |  |  |  |  |  |1 |1 |  |1 |  |  |  |  |  |  |
>               N7|  |  |  |  |  |  |  |4 |  |  |  |  |  |  |  |  |
>               N8|  |  |  |  |  |  |  |  |  |3 |2 |  |  |  |  |  |
>               N9|  |  |  |  |  |  |  |  |1 |  |1 |1 |  |  |  |  |
>              N10|  |  |  |  |  |  |  |  |  |  |  |2 |  |  |  |  |
>              N11|  |  |  |  |  |  |  |  |3 |  |  |  |  |  |  |  |
>              N12|  |  |  |  |8 |  |2 |  |  |  |  |  |  |  |  |  |
>              N13|  |  |  |  |8 |  |  |  |  |  |  |  |  |  |  |  |
>              N14|  |  |  |  |8 |  |  |  |  |  |  |  |  |  |  |  |
>              N15|  |  |  |  |  |  |9 |  |  |  |  |  |  |  |  |  |
>               H1|  |  |  |  |  |  |  |  |  |  |  |10|  |  |  |  |
>
>
> Corrected Text
> --------------
>                                    **FROM**
>
>                 |RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|RT|
>                 |1 |2 |3 |4 |5 |6 |7 |8 |9 |10|11|12|N3|N6|N8|N9|
>              ----- ---------------------------------------------
>              RT1|  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |  |
>              RT2|  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |  |
>              RT3|  |  |  |  |  |6 |  |  |  |  |  |  |0 |  |  |  |
>              RT4|  |  |  |  |8 |  |  |  |  |  |  |  |0 |  |  |  |
>              RT5|  |  |  |8 |  |6 |6 |  |  |  |  |  |  |  |  |  |
>              RT6|  |  |8 |  |7 |  |  |  |  |5 |  |  |  |  |  |  |
>              RT7|  |  |  |  |6 |  |  |  |  |  |  |  |  |0 |  |  |
>          *   RT8|  |  |  |  |  |  |  |  |  |  |  |  |  |0 |  |  |
>          *   RT9|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |
>          T  RT10|  |  |  |  |  |7 |  |  |  |  |  |  |  |0 |0 |  |
>          O  RT11|  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |0 |
>          *  RT12|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |0 |
>          *    N1|3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
>               N2|  |3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
>               N3|1 |1 |1 |1 |  |  |  |  |  |  |  |  |  |  |  |  |
>               N4|  |  |2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
>               N6|  |  |  |  |  |  |1 |1 |  |1 |  |  |  |  |  |  |
>               N7|  |  |  |  |  |  |  |4 |  |  |  |  |  |  |  |  |
>               N8|  |  |  |  |  |  |  |  |  |3 |2 |  |  |  |  |  |
>               N9|  |  |  |  |  |  |  |  |1 |  |1 |1 |  |  |  |  |
>              N10|  |  |  |  |  |  |  |  |  |  |  |2 |  |  |  |  |
>              N11|  |  |  |  |  |  |  |  |3 |  |  |  |  |  |  |  |
>              N12|  |  |  |  |8 |  |2 |  |  |  |  |  |  |  |  |  |
>              N13|  |  |  |  |8 |  |  |  |  |  |  |  |  |  |  |  |
>              N14|  |  |  |  |8 |  |  |  |  |  |  |  |  |  |  |  |
>              N15|  |  |  |  |  |  |9 |  |  |  |  |  |  |  |  |  |
>               H1|  |  |  |  |  |  |  |  |  |  |  |10|  |  |  |  |
>               Ia|  |  |  |  |  |  |  |  |  |5 |  |  |  |  |  |  |
>               Ib|  |  |  |  |  |7 |  |  |  |  |  |  |  |  |  |  |
>
> Notes
> -----
> section 2.1.2
>
> Page 20, Figure 2 : A sample Autonomous System.
>
> The interfaces   Ia  and Ib  have not been added to the directed graph.
> By definition of point-to-point links under OSPF, for serial interfaces defined by IP addresses,
> router RT6 should advertise a stub network to Ib whereas router RT6 should advertise a stub network to Ia .
>
> Instructions:
> -------------
> This errata is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party (IESG)
> can log in to change the status and edit the report, if necessary.
>
> --------------------------------------
> RFC2328 (no draft string recorded)
> --------------------------------------
> Title               : OSPF Version 2
> Publication Date    : April 1998
> Author(s)           : J. Moy
> Category            : INTERNET STANDARD
> Source              : Open Shortest Path First IGP
> Area                : Routing
> Stream              : IETF
> Verifying Party     : IESG
> _______________________________________________
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> OSPF@ietf.org<mailto:OSPF@ietf.org>
> https://www.ietf.org/mailman/listinfo/ospf