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

Lin Han <lin.han@futurewei.com> Wed, 07 July 2021 17:18 UTC

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From: Lin Han <lin.han@futurewei.com>
To: Hesham ElBakoury <helbakoury@gmail.com>
CC: "UTTARO, JAMES" <ju1738@att.com>, "Int-area@ietf.org" <Int-area@ietf.org>, "idr@ietf.org" <idr@ietf.org>, "rtgwg@ietf.org" <rtgwg@ietf.org>, "SARAH@JISCMAIL.AC.UK" <SARAH@jiscmail.ac.uk>
Thread-Topic: [Int-area] New Version Notification for draft-lhan-problems-requirements-satellite-net-00.txt
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Date: Wed, 07 Jul 2021 17:18:04 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/idr/XfywpIiOBjJ2GdbYMb7Y9REnoF0>
Subject: Re: [Idr] [Int-area] New Version Notification for draft-lhan-problems-requirements-satellite-net-00.txt
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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>; 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<mailto: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<mailto:ju1738@att.com>>
Sent: Tuesday, July 6, 2021 7:20 AM
To: Lin Han <lin.han@futurewei.com<mailto:lin.han@futurewei.com>>; Int-area@ietf.org<mailto:Int-area@ietf.org>; idr@ietf.org<mailto:idr@ietf.org>; rtgwg@ietf.org<mailto:rtgwg@ietf.org>
Cc: SARAH@JISCMAIL.AC.UK<mailto: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<mailto:idr-bounces@ietf.org>> On Behalf Of Lin Han
Sent: Saturday, July 03, 2021 8:41 PM
To: Int-area@ietf.org<mailto:Int-area@ietf.org>; idr@ietf.org<mailto:idr@ietf.org>; rtgwg@ietf.org<mailto:rtgwg@ietf.org>
Cc: SARAH@JISCMAIL.AC.UK<mailto: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<mailto:internet-drafts@ietf.org> <internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>>
Sent: Saturday, July 3, 2021 5:07 PM
To: Lin Han <lin.han@futurewei.com<mailto:lin.han@futurewei.com>>; Richard Li <richard.li@futurewei.com<mailto: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.




The IETF Secretariat


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