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Re: [Marnew] Why?

Ca By <cb.list6@gmail.com> Fri, 19 June 2015 16:00 UTC

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Date: Fri, 19 Jun 2015 09:00:35 -0700
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From: Ca By <cb.list6@gmail.com>
To: "Smith, Kevin, (R&D) Vodafone Group" <Kevin.Smith@vodafone.com>
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Cc: "marnew@iab.org" <marnew@iab.org>, 🔓Dan Wing <dwing@cisco.com>
Subject: Re: [Marnew] Why?
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On Fri, Jun 19, 2015 at 8:54 AM, Smith, Kevin, (R&D) Vodafone Group <
Kevin.Smith@vodafone.com> wrote:

> Hi Dan,
>
> > Does WiFi suffer the same radio issues?
>
> I assume so, would be good to hear from experts on
> similarities/differences.
>
> > rapid ingress/egress to the network.
>
> Lots of devices entering or leaving a particular access node suddenly.
> Classic examples would be everyone turning on their phone when landing at
> an airport, a fast train transiting between two cell towers and the
> passenger's devices handing over between those towers.
>
> Cheers
> Kevin
>
>
This a classic corner case that does not happen in real life.

We have been through deep analysis on this when we got scared of what X2
would mean in LTE.

CB

>
> From: 🔓Dan Wing [mailto:dwing@cisco.com]
> Sent: 18 June 2015 18:53
> To: Smith, Kevin, (R&D) Vodafone Group
> Cc: Ca By; marnew@iab.org
> Subject: Re: [Marnew] Why?
>
>
> On 18-Jun-2015 06:27 am, Smith, Kevin, (R&D) Vodafone Group <
> Kevin.Smith@vodafone.com> wrote:
> Hi CB,
>
> > Is there a summary of why mobile networks are special and require
> treatment that is above and beyond dsl / cable / enterprise networks?
> You’re right, this needs to be more explicit. All are regulated networks
> (mobile/DSL/cable by licencing authority(s), enterprise by company), so for
> me the key distinction for mobile is radio signal volatility
>
> Does WiFi suffer the same radio issues?
>
> and rapid ingress/egress to the network.
>
> I don't understand what is meant by rapid ingress/egress to the network.
>
>
>
> The resulting increased packet loss and cell congestion bursts arguably
> make queue management more important in radio: i.e. queuing the content by
> type so that it can be delivered according to latency/bandwidth
> requirements. The content type is harder (or not possible) to infer when
> encrypted. Would be good to know to what extent this is also a problem in
>  DSL/cable.
>
> > I understand spectrum is precious, but so is copper and fiber plants.
> Agreed, I don’t think that is a valid reason to distinguish mobile.
>
> > I read the gsma document, but i found it to be unhelpful
> This document was the basis for [1]: happy to take comments/issues at [2].
>
> [1] http://tools.ietf.org/html/draft-smith-encrypted-traffic-management-02
> [2] https://github.com/Kevsy/encrypted-traffic-management
>
> Nice summary document, thanks.  I don't think I had read it previously, my
> bad.
>
> -d
>
>
>
>
> Cheers
> Kevin
>
> Kevin Smith, Vodafone R&D
>
> _______________________________________________
> Marnew mailing list
> Marnew@iab.org
> https://www.iab.org/mailman/listinfo/marnew
>
>
>

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