Re: [alto] Proposed Path Aware Networking Research Group in Prague

"Randriamasy, Sabine (Nokia - FR/Nozay)" <sabine.randriamasy@nokia-bell-labs.com> Wed, 19 July 2017 11:19 UTC

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From: "Randriamasy, Sabine (Nokia - FR/Nozay)" <sabine.randriamasy@nokia-bell-labs.com>
To: "Y. Richard Yang" <yry@cs.yale.edu>, Kai Gao <gaok12@mails.tsinghua.edu.cn>
CC: "Brian Trammell (IETF)" <ietf@trammell.ch>, "snlab@googlegroups.com" <snlab@googlegroups.com>, IETF ALTO <alto@ietf.org>
Thread-Topic: [alto] Proposed Path Aware Networking Research Group in Prague
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Date: Wed, 19 Jul 2017 11:19:45 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/alto/hGwcMm1vwW9-TA7FdGKHqs-3OLk>
Subject: Re: [alto] Proposed Path Aware Networking Research Group in Prague
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Hello Brian,



There are definitely a number of common interests between the PAN RG and ALTO WG.

Adding to Kai and Richard, the ALTO WG also works on Calendaring services conveying time-dependent path properties.

Recent proposals associating several values to one path may help out for multi-path routing and lately, the use cases are being extended to cellular networks.



Looking forward to attending your meeting,

Best regards,

Sabine




From: alto [mailto:alto-bounces@ietf.org] On Behalf Of Y. Richard Yang
Sent: Saturday, July 15, 2017 11:07 AM
To: Kai Gao <gaok12@mails.tsinghua.edu.cn>
Cc: Brian Trammell (IETF) <ietf@trammell.ch>ch>; snlab@googlegroups.com; IETF ALTO <alto@ietf.org>
Subject: Re: [alto] Proposed Path Aware Networking Research Group in Prague

Dear Brian, all ALTO participants,

It is good to see such related efforts. In particular, this item in your charter is quite related:
- communication and discovery of information about the properties of a path on local networks and in internetworks,...

A related ALTO WG document is:
https://datatracker.ietf.org/doc/draft-ietf-alto-path-vector/

An academic paper just appeared in IWQoS 2017 is attached to this email.

We sure will attend and engage.

Cheers,
Richard



On Fri, Jul 14, 2017 at 8:38 AM, Kai Gao <gaok12@mails.tsinghua.edu.cn<mailto:gaok12@mails.tsinghua.edu.cn>> wrote:

Hi Brian and all,

It is definitely closely related and I feel the target of PAN fits perfectly with the latest efforts within ALTO WG, in particular the path vector extension, which aim to provide fine-grained path information to higher-layer orchestrators/applications.

Our group would be very interested in PAN RG and we would try our best to attend.

Thanks for the information and wish you all the best!

Regards,

Kai

On 07/13/2017 11:35 PM, Brian Trammell (IETF) wrote:

Greetings, all, and apologies for the cross-posting,



We'll be having a first meeting of the proposed Path Aware Networking

(PAN) RG at IETF 99 in Prague next week, 13:30 Wednesday in Congress

Hall 3. It's been suggested The scope of this RG might be of interest

to your working group, research group, or BoF, so I hope you'll have

a chance to drop by. Olivier Bonaventure will give a review and overview

of research to date in this space, and Adrian Perrig will present a

fully path-aware Internet architecture, as an illustration of what is

possible when path-awareness is promoted to a first-order goal.



>From our proposed charter (https://datatracker.ietf.org/group/panrg/about):



The Internet architecture assumes a division between the end-to-end

functionality of the transport layer and the properties of the path between the

endpoints. The path is assumed to be invisible, homogeneous, singular, with

dynamics solely determined by the connectivity of the endpoints and the Internet

control plane. Endpoints have very little information about the paths over which

their traffic is carried, and no control at all beyond the destination address.



Increased diversity in access networks, and ubiquitous mobile connectivity, have

made this architecture's assumptions about paths less tenable. Multipath

protocols taking advantage of this mobile connectivity begin to show us a way

forward, though: if endpoints cannot control the path, at least they can

determine the properties of the path by choosing among paths available to them.



This research group aims to support research in bringing path awareness to

transport and application layer protocols, and to bring research in this space

to the attention of the Internet engineering and protocol design community.



The scope of work within the RG includes, but is not strictly limited to:



- communication and discovery of information about the properties of a path on

local networks and in internetworks, exploration of trust and risk models

associated with this information, and algorithms for path selection at

endpoints based on this information.



- algorithms for making transport-layer scheduling decisions based on

information about path properties.



- algorithms for reconciling path selection at endpoints with widely deployed

routing protocols and network operations best practices.



The research group's scope overlaps with existing IETF and IRTF efforts, and

will collaborate with groups chartered to work on multipath transport protocols

(MPTCP, QUIC, TSVWG), congestion control in multiply-connected environments

(ICCRG), and alternate routing architectures (e.g. LISP), and is related to

the questions raised in the multiple recent BoF sessions that have addressed

path awareness and multiply-connected networks (e.g. SPUD, PLUS, BANANA).



The PAN(P)RG intends to meet at each IETF meeting until a

determination is made whether or not to charter it. Afterward, the RG intends to

meet at 1-3 IETF meetings per year, and hold one workshop per year, collocated

with a related academic conference.



Thanks, cheers



Brian (as co-chair PAN PRG)


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--
--
 =====================================
| Y. Richard Yang <yry@cs.yale.edu<mailto:yry@cs.yale.edu>>   |
| Professor of Computer Science       |
| http://www.cs.yale.edu/~yry/        |
 =====================================