Thanks! More inline: > On Dec 16, 2014, at 3:12 AM, philip.eard...@bt.com wrote: > > Thanks! > phil > >> >>> OLD >>> >>> o Understanding the quality experienced by customers. Alongside >>> benchmarking competitors, gaining better insight into the user's >>> service through a sample panel of the operator's own customers. >>> The ISP requires a performance viewpoint of the end-to-end >>> perspective, which includes: home/enterprise networks; peering >>> points; Content Delivery Networks (CDNs); etc. >>> >>> PROPOSED NEW >>> >>> o Understanding the quality experienced by customers. The >> network operator would like to gain better insight into the end-to-end >> performance experienced by its customers. This could incorporate home >> and enterprise networks, and the impact of peering, caching and Content >> Delivery Networks (CDNs). >> >> Looks good, but do you expect the last sentence to be exhaustive, or >> are those just examples? > > "End-to-end" could, for instance, incorporate home and enterprise networks, > and the impact of peering, caching and Content Delivery Networks (CDNs). >
Works for me! > >> >> >>>>> - 3.1, 1st para: >>>>> >>>>> Can you provide a definition or reference for "mean opinion score"? >>>> >>>> Not addressed. >>> >>> If a reference is really needed, then i guess >> http://en.wikipedia.org/wiki/Mean_opinion_score will do. >>> >> >> On a quick search, it looks like that's at least discussed (and maybe >> defined) in ITU-T P.800. >> >> http://www.itu.int/rec/T-REC-P.800-199608-I/en > > I'll add whichever reference you prefer - wiki or P.800 which is specifically > about telephony. > The context is: > <<This involves > relating the pure network parameters to something like a 'mean > opinion score' which will be service dependent (for instance web > browsing QoE is largely determined by latency above a few Mb/s). On reflection, given the context of this being a very "informational" reference, and that there doesn't seem to be an authoritative source for the term when used outside of telephony, it's not a big deal one way or another. The wiki link would be sufficient, as would a one sentence explanation along the lines as an "aggregation of subjective user experience measurements." >>> > >> >> [...] >> >>> >>>>> -- 4.2, 3rd paragraph: >>>>> Can you offer a definition for "probes"? >>>> Not addressed. >>> >>> I don't want to address this one. Formal terminology is in the LMAP >> framework, including the definition of "measurement agent". In this >> document we used the more informal term "probe", as it seems easy to >> understand without a formal definition. Since this use cases doc might >> have a wider readership, we wanted to avoid terminology and just give >> the reader the motivations and usages of LMAP measurement information. >> >> Could you offer an informal definition, or a "such as [example]" sort >> of thing? "Probe" has many meanings. Context might be enough for some >> readers, but possibly not all. > > In S3.1 probe is first mentioned. So then I'll add this text:- > > NEW > (A probe is a device or piece of software that makes measurements and reports > the results, under the control of the measurement system. Implementation > options are discussed in Section 5.) > > And in S5 > OLD > One way involves a special hardware device that is connected directly > to the home gateway. > ... > Another approach involves implementing the measurement capability as > a webpage or an "app" that end users are encouraged to download onto > their mobile phone or computing device. > > NEW > One type of probe is a special hardware device that is connected directly > to the home gateway. > ... > Another type of probe involves implementing the measurement capability as > a webpage or an "app" that end users are encouraged to download onto > their mobile phone or computing device. That helps, thanks! >> >>> _______________________________________________ >>> Gen-art mailing list >>> Gen-art@ietf.org >>> https://www.ietf.org/mailman/listinfo/gen-art _______________________________________________ Gen-art mailing list Gen-art@ietf.org https://www.ietf.org/mailman/listinfo/gen-art
