Re: [Idr] [Int-area] New Version Notification for draft-lhan-problems-requirements-satellite-net-00.txt

Hesham ElBakoury <helbakoury@gmail.com> Thu, 08 July 2021 15:23 UTC

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From: Hesham ElBakoury <helbakoury@gmail.com>
Date: Thu, 8 Jul 2021 08:23:15 -0700
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To: Lin Han <lin.han@futurewei.com>
Cc: "UTTARO, JAMES" <ju1738@att.com>, Int-area@ietf.org, idr@ietf.org, rtgwg@ietf.org, "SARAH@JISCMAIL.AC.UK" <SARAH@jiscmail.ac.uk>
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Subject: Re: [Idr] [Int-area] New Version Notification for draft-lhan-problems-requirements-satellite-net-00.txt
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Good points Lin! Hopefully they will be discussed when you present your
draft.

Thanks
Hesham

On Wed, Jul 7, 2021, 10:18 AM Lin Han <lin.han@futurewei.com> wrote:

> Hi, Hesham
>
>
>
> Thanks for the info.
>
> The reference from prof. Mark has been given in the draft as
> [UCL-Mark-Handley] (sec. 7.2.2), the paper has demonstrated that satellite
> relay can achieve shorter latency than ground fiber network through
> simulation.
>
> But for commercial use and widely deployment, IETF still needs
> technologies/protocols to solve issues in “multiple satellite relay”, such
> as path/satellite selection, IP continuity, etc. Enhanced or new
> anchor-less mobility technologies might be needed to handle so
> quick/frequent hands over and topology changes.
>
>
>
> Regards
>
>
>
> Lin
>
>
>
> *From:* Hesham ElBakoury <helbakoury@gmail.com>
> *Sent:* Tuesday, July 6, 2021 7:51 PM
> *To:* Lin Han <lin.han@futurewei.com>
> *Cc:* UTTARO, JAMES <ju1738@att.com>om>; Int-area@ietf.org; idr@ietf.org;
> rtgwg@ietf.org; SARAH@JISCMAIL.AC.UK
> *Subject:* Re: [Int-area] New Version Notification for
> draft-lhan-problems-requirements-satellite-net-00.txt
>
>
>
> Mark Handley published the paper "*Using ground relays for low-latency
> wide-area routing in megaconstellations"* to show that even if we do not
> have ISL we can use ground terminals to route traffic with better latency
> than fiber links.
>
>
>
> Thanks
>
> Hesham
>
>
>
>
>
> On Tue, Jul 6, 2021, 10:08 AM Lin Han <lin.han@futurewei.com> wrote:
>
> Hi, Jim
>
> I don't have clear answer.
> What I can guess now is that most of current technologies (with
> enhancement) can be used, but some new technologies might be needed to
> solve the satellite specific issues, such as fast mobility, frequent
> topology changes, constraints in satellite power, security in open space,
> etc.
> It is up to the community to decide what new technologies and what new
> protocols will be developed.
>
> Regards
>
> Lin
>
>
> -----Original Message-----
> From: UTTARO, JAMES <ju1738@att.com>
> Sent: Tuesday, July 6, 2021 7:20 AM
> To: Lin Han <lin.han@futurewei.com>om>; Int-area@ietf.org; idr@ietf.org;
> rtgwg@ietf.org
> Cc: SARAH@JISCMAIL.AC.UK
> Subject: RE: New Version Notification for
> draft-lhan-problems-requirements-satellite-net-00.txt
>
> Lin,
>
>         Are you suggesting that the current set of protocols can be used
> with or without enhancements or is the uniqueness of the satellite network
> require new protocol(s) to address the architecture you have laid out..
>
> Thanks,
>         Jim Uttaro
>
> -----Original Message-----
> From: Idr <idr-bounces@ietf.org> On Behalf Of Lin Han
> Sent: Saturday, July 03, 2021 8:41 PM
> To: Int-area@ietf.org; idr@ietf.org; rtgwg@ietf.org
> Cc: SARAH@JISCMAIL.AC.UK
> Subject: [Idr] FW: New Version Notification for
> draft-lhan-problems-requirements-satellite-net-00.txt
>
> Hi,
>
> This draft analyzed the problems and requirements for the satellite
> network when it is integrated with Internet by current routing
> technologies.
> It may be relevant and interesting to internet, BGP, IGP. The further
> solution proposals may also come from different groups including research
> initiative SARAH.
>
> Look forwarding to discussion and comments.
>
> Thanks
>
> Lin
>
> -----Original Message-----
> From: internet-drafts@ietf.org <internet-drafts@ietf.org>
> Sent: Saturday, July 3, 2021 5:07 PM
> To: Lin Han <lin.han@futurewei.com>om>; Richard Li <richard.li@futurewei.com>
> Subject: New Version Notification for
> draft-lhan-problems-requirements-satellite-net-00.txt
>
>
> A new version of I-D, draft-lhan-problems-requirements-satellite-net-00.txt
> has been successfully submitted by Lin Han and posted to the IETF
> repository.
>
> Name:           draft-lhan-problems-requirements-satellite-net
> Revision:       00
> Title:          Problems and Requirements of Satellite Constellation for
> Internet
> Document date:  2021-07-03
> Group:          Individual Submission
> Pages:          32
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> Abstract:
>    This document presents the detailed analysis about the problems and
>    requirements of satellite constellation used for Internet.  It starts
>    from the satellite orbit basics, coverage calculation, then it
>    estimates the time constraints for the communications between
>    satellite and ground-station, also between satellites.  How to use
>    satellite constellation for Internet is discussed in details
>    including the satellite relay and satellite networking.  The problems
>    and requirements of using traditional network technology for
>    satellite network integrating with Internet are finally outlined.
>
>
>
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> The IETF Secretariat
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