Re: [Pidloc] Encoding Routing in FAST

Behcet Sarikaya <sarikaya2012@gmail.com> Mon, 15 October 2018 14:30 UTC

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Reply-To: sarikaya@ieee.org
From: Behcet Sarikaya <sarikaya2012@gmail.com>
Date: Mon, 15 Oct 2018 09:30:05 -0500
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To: Tom Herbert <tom@quantonium.net>
Cc: sarikaya@ieee.org, pidloc@ietf.org, dirk.von-hugo@telekom.de
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Subject: Re: [Pidloc] Encoding Routing in FAST
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Hi Tom,



On Fri, Oct 12, 2018 at 12:20 PM Tom Herbert <tom@quantonium.net> wrote:

>
>
> On Fri, Oct 12, 2018, 7:56 AM Behcet Sarikaya <sarikaya2012@gmail.com>
> wrote:
>
>> Hi all,
>>
>> Tom Herbert published a draft
>>
>> https://tools.ietf.org/html/draft-herbert-route-fast-00
>>
>> which describes a solution by which the client (mobile node) can send its
>> locator to the sender.
>>
>> Tom defined the locator encoding for ILA and the network seems to be
>> specific to ILA.
>> However I believe this design can be generalized to other IdLoc protocols
>> or at least the locator encoding could be reused..
>>
>
> Hi Behcet,
>
> Thanks for posting and making connection.
>
> Yes, ILA is an example. Tickets can contain other types of locators or
> information.
>
>>
>> Basically this draft represents a solution (ILA based) for the locator
>> sharing cases mentioned in Erik's draft.
>>
>
> It might be a little different in that regard. FAST could encode locator
> for return path in a ticket. Peer just reflects ticket and doesn't know
> about locator, it's used to route packets in destination provider network.
>

You mean source routing?

Is this somehow related to SRv6?



> So locators aren't actually being shared, they're transparently carried by
> third parties.
>
> Actual sharing could be done, for instance a locator as the ingress point
> in a network might ambiguous enough to avoid privacy concerns. A ticket
> might just contain locator (and network overlay method). In this case peers
> would need to parse tickets, so the might go down path of a standardized
> ticket format.
>
>
I don't quite understand these things well, I need to dig more into it.
What I understood from you draft is that it is a UDP application, i.e. it
is application layer solution, is this correct?

Behcet

> Tom
>
>
>
>
>> Any comments?
>>
>> Behcet
>> --
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>>
>