Re: [DMM] New Version Notification for draft-clt-dmm-tn-aware-mobility-07.txt

["Majumdar, Kausik" <[e-mail]>]

Hi Uma et all,

Thanks for putting together this draft to describe the framework for mapping the slices in 5G mobile systems to transport slices in IP towards the UPF. This framework is valuable and we are actually looking for further extensions of the TN characteristics in non-mobility domain (SD-WAN) and that is being worked out to be submitted in RTG WG.

I would also request you to consider the Security Characteristics in addition to the current Transport Path characteristics. Preserving the security characteristics in non-mobility SD-WAN domain would be an important aspects. My suggestions would be to extend the current SST for secure traffic. As a result, it would be good if we can define additional UDP Source Port range to capture the Security characteristics for the current service types.

I would be happy to share more context on the use cases and discuss further on the approaches.

Regards,
Kausik

From: dmm <[e-mail]> On Behalf Of Sri Gundavelli (sgundave)
Sent: Friday, October 16, 2020 11:50 AM
To: Uma Chunduri <[e-mail]>; dmm <[e-mail]>
Cc: Luis M. Contreras <[e-mail]>; Richard Li <[e-mail]>; Jeff Tantsura <[e-mail]>; Praveen Muley <[e-mail]>; Sridhar Bhaskaran <[e-mail]>
Subject: Re: [DMM] New Version Notification for draft-clt-dmm-tn-aware-mobility-07.txt

WG – Please provide your inputs on this document. Authors have presented this earlier and like to get some feedback. Sri  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌  ‌
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WG – Please provide your inputs on this document. Authors have presented this earlier and like to get some feedback.

Sri


From: dmm <[e-mail]<mailto:[e-mail]>> on behalf of Uma Chunduri <[e-mail]<mailto:[e-mail]>>
Date: Friday, October 16, 2020 at 11:42 AM
To: dmm <[e-mail]<mailto:[e-mail]>>
Cc: "Luis M. Contreras" <[e-mail]<mailto:[e-mail]>>, Praveen Muley <[e-mail]<mailto:[e-mail]>>, Jeff Tantsura <[e-mail]<mailto:[e-mail]>>, Richard Li <[e-mail]<mailto:[e-mail]>>, Sridhar Bhaskaran <[e-mail]<mailto:[e-mail]>>
Subject: Re: [DMM] New Version Notification for draft-clt-dmm-tn-aware-mobility-07.txt

Dear DMM experts,

This version is a refresh but all comments received (offline and during the presentation at IETF106) were addressed.

Any further comments/suggestions are most welcome.

--
Uma C.


On Mon, Sep 28, 2020 at 4:44 PM <[e-mail]<mailto:[e-mail]>> wrote:

A new version of I-D, draft-clt-dmm-tn-aware-mobility-07.txt
has been successfully submitted by Uma Chunduri and posted to the
IETF repository.

Name:           draft-clt-dmm-tn-aware-mobility
Revision:       07
Title:          Transport Network aware Mobility for 5G
Document date:  2020-09-28
Group:          Individual Submission
Pages:          28
URL:            https://www.ietf.org/id/draft-clt-dmm-tn-aware-mobility-07.txt<https://secure-web.cisco.com/1HUA6v1Gdr5_puQcsnaapEg09YhVPDRhw-Z4XfLGhWjxvpYip9j5au0XOo4oqhSGR_2XS9_cWhzz-vrhLJmGFNVAyHY6OfzQuaWpK4j23qgD5WMYvB3dXaE7R9odO7eFfJAWuGsK2IsUvwIwkL9EC0EbqhCrQ9y-JBycIhi2TypsN3YgYX34tLDTFp5SdN2uDFt5E-0E8KFk3ma-o18enNkx0ZV_QxlgxVPp8EZk6SmgykOY6NtEr0_flV_r75nOEpjetht5Lyd8ue3iUeYotxkkL8KAYgdO_TavNyDBXEQii4_Rjkh1hgkkbEn0ln3PP/https%3A%2F%2Fwww.ietf.org%2Fid%2Fdraft-clt-dmm-tn-aware-mobility-07.txt>
Status:         https://datatracker.ietf.org/doc/draft-clt-dmm-tn-aware-mobility/<https://secure-web.cisco.com/1o8eotE-FYKGPdoZbT2QAHiLXLo5UYi3T1-3xk2tBs3Ux8yg4xpaqu06JzppJIEKGDPX98lTEgVx7jFhfgT6ApunAtYOOSYlSFyGiczHqR5S0oRD95qvrtoYUsDv82aDn93sXMzrdwkGSqdKcO43SRODSebRHpxmuI0IAjHy5bl9FDabxLB_AnRpbp1fKr_OkhufZsx6YZMo1Xs_PbIfF6BCyzoY5BlH0uE22QhQhljrYHVWoX-wqqIBP5dt8Hcf5kRg4JgLBfxezmnEy_hInAzPhaBXfFWdo34QvEWz4zm-9vQR1FLRvBVrhFMPeAVkk/https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-clt-dmm-tn-aware-mobility%2F>
Htmlized:       https://datatracker.ietf.org/doc/html/draft-clt-dmm-tn-aware-mobility<https://secure-web.cisco.com/1WBjnX_EXxhnR341AApScUFRP33oCh0xypmrVFE-xlGK06QwjC455qwn6xhtR4ooBaKkH01WhY6Zpupp-Xe_Df8ERiRnqMMkN9LJun-bAqp61ZbJEXygFM3WJ0_rDae7L6eGdyyeZal1nsP7jtKH2jOEJb1xJAICHM_IgA0LzGnwfQdrBueTi-f9qaX2tQUlyiufX3ho0pKOkLYphzv2IBGIhUswgcHvvIclRoueVFi46jqIbpIFtPAfQQ1m6EoHYLBOM5dJsEjM0SjylYSmWKLNMFvBtfx8A1Fr7qH0-JnsegcAmCXWqH5r5WtDHHVLA/https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Fdraft-clt-dmm-tn-aware-mobility>
Htmlized:       https://tools.ietf.org/html/draft-clt-dmm-tn-aware-mobility-07<https://secure-web.cisco.com/1KT0Y8uI3-ZZ9X_tnot7DK7_mKKxMnFk120FQseudl9UpYaWY_EA0nd9lwkczICRmCtiemIu9mp3DbAGkrSXUREC1d5vVHVMXoOfHH4aImZGLeEHjYRgt3XXA8B0AaziQImChKSCiaRyzAPPERbCxsDNOivOT3Ty5hRim80Zt5qL9DETDYs4SlgscKHVCLQs3_LOSJ0S37MtBWahPnE-SmH9VAT6XQ5MtNDVeWMJ-b9Nsy9fsmxHL5rf6FKFKdk12_zktiO3vHvIi0owaf8lnErsFvqhSf1X80cJY9lMoml5JgbJD2xpIePEoCzYm28l-/https%3A%2F%2Ftools.ietf.org%2Fhtml%2Fdraft-clt-dmm-tn-aware-mobility-07>
Diff:           https://www.ietf.org/rfcdiff?url2=draft-clt-dmm-tn-aware-mobility-07<https://secure-web.cisco.com/1UAzhu6YGSP4ihbOSD939zZAkcrli5mB9NVPYyf4BAqd04KEWCWmJatff0cuRmsZoXNizC2cIK0wLTEvofDlU3dnbs2OIsqCJXiZlT1uKmGCIYr-ymBGvG6r-9cwu8CF5mR5GnbzuqVpeQsL0mzG6FGrMT25OE-CfpZqC4jZ9Eb7x_gs-X7l0w5_r63k2J2KHOMPM4OhC6t5uep_oHXDLdsl7yK-8m7ng6ftlneINEmDk487g1iRb8KIkYwG9sSLBGiJyJ8UoKRUAJrabQ_caLJGwszh9P31OaovcBF8mthbCwWabG3GiL0POtOUPSEbq/https%3A%2F%2Fwww.ietf.org%2Frfcdiff%3Furl2%3Ddraft-clt-dmm-tn-aware-mobility-07>

Abstract:
   This document specifies a framework and mapping from slices in 5G
   mobile systems to transport slices in IP and Layer 2 transport
   networks.  Slices in 5G systems are characterized by latency bounds,
   reservation guarantees, jitter, data rates, availability, mobility
   speed, usage density, criticality and priority should be mapped to
   transport slice characteristics that include bandwidth, latency and
   criteria such as isolation, directionality and disjoint routes.
   Mobile slice criteria need to be mapped to the appropriate transport
   slice and capabilities offered in backhaul, midhaul and fronthaul
   connectivity segments between radio side network functions and user
   plane function (gateway).

   This document describes how mobile network functions map its slice
   criteria to identifiers in IP packets that transport segments use to
   grant transport layer services.  This is based on mapping between
   mobile and IP transport underlays (IPv6, MPLS, IPv4, Segment
   Routing).  Applicability of this framework and a new transport
   network underlay routing mechanism, Preferred Path Routing (PPR),
   which brings slice properties and works with any underlying transport
   (L2, IPv4, SR and MPLS) is also discussed.





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