The Reviewer: Abdussalam Baryun Date: 05.09.2013 I-D name: draft-ietf-pwe3-vccv-impl-survey-results Received your Request dated 04.09.2013 ++++++++++++++++++++++++++ The reviewer supports the draft subject to amendments. Overall the survey is not easy to be used as source of information related to such technology users, but easier as source of information related to respondings of companies. AB> I prefer the title to start as: A Survey of .......... Abstract> This survey of the PW/VCCV user community was conducted to determine implementation trends. The survey and results is presented herein. AB> How did the survey determine implementations related to users (are they general known or uknown or chosen by authors...etc). What kind of results? AB> the abstract starts interesting but ends making the results not clear what it was (good, reasonable, expected, positive, had conclusions..etc)? AB> The draft states that it has no conclusion, because it is not intended for that but to help in knowing results to help in other future drafts. However, the abstract mentions that the survey conducted to determine (not understood how to determine without conclusions or analysis). Introduction> In order to assess the best approach to address the observed interoperability issues, the PWE3 working group decided to solicit feedback from the PW and VCCV user community regarding implementation. This document presents the survey and the information returned by the user community who participated. AB> the introduction needs to show the importance of the survey, or what makes such decision from the WG (i.e. seems like the WG has not cover all types of community, not sure)? AB> Why did the WG decide the survey by using questionnair? AB> suggest amending> the document presents the questionnair form questions and information returned ...... Sections 1.1 1.2 and 1.3> ......questions based on direction of the WG chairs...... There were seventeen responses to the survey that met the validity requirements in Section 3. The responding companies are listed below in Section 2.1. AB> Why were thoes methodologies and why that way of quetions chosen for this survey? The answer to this is important for the document (informational) and future drafts. AB> The reason of the survey's methodology should be mentioned in clear section, as the athors' opinion. Section 1.2> Form> Why the form did not make security consideration related to implementations in the form questions? which then may be used in security section. Results section 2> AB> are difficult to read or find related to section 1.2. AB> Usually the section mixes between what was returned and what was given. It is prefered to have two separate sections as 1 (what was given including the form), and what was returned as results. Regards AB On 9/4/13, The IESG <iesg-secretary@xxxxxxxx> wrote: > > The IESG has received a request from the Pseudowire Emulation Edge to > Edge WG (pwe3) to consider the following document: > - 'The Pseudowire (PW) & Virtual Circuit Connectivity Verification (VCCV) > Implementation Survey Results' > <draft-ietf-pwe3-vccv-impl-survey-results-02.txt> as Informational RFC > > The IESG plans to make a decision in the next few weeks, and solicits > final comments on this action. Please send substantive comments to the > ietf@xxxxxxxx mailing lists by 2013-09-23. Exceptionally, comments may be > sent to iesg@xxxxxxxx instead. In either case, please retain the > beginning of the Subject line to allow automated sorting. > > Abstract > > > Most pseudowire Emulation Edge-to-Edge (PWE3) encapsulations mandate > the use of the Control Word (CW) to carry information essential to > the emulation, to inhibit Equal-Cost Multipath (ECMP) behavior, and > to discriminate Operations, Administration, and Maintenance (OAM) > from Pseudowire (PW) packets. However, some encapsulations treat the > Control Word as optional. As a result, implementations of the CW, > for encapsulations for which it is optional, vary by equipment > manufacturer, equipment model and service provider network. > Similarly, Virtual Circuit Connectivity Verification (VCCV) supports > three Control Channel (CC) types and multiple Connectivity > Verification (CV) Types. This flexibility has led to reports of > interoperability issues within deployed networks and associated > drafts to attempt to remedy the situation. This survey of the PW/ > VCCV user community was conducted to determine implementation trends. > The survey and results is presented herein. > > > > > The file can be obtained via > http://datatracker.ietf.org/doc/draft-ietf-pwe3-vccv-impl-survey-results/ > > IESG discussion can be tracked via > http://datatracker.ietf.org/doc/draft-ietf-pwe3-vccv-impl-survey-results/ballot/ > > > No IPR declarations have been submitted directly on this I-D. > > >