Re: [Lsr] Flooding Path Direction

tony.li@tony.li Thu, 04 April 2019 17:04 UTC

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Date: Thu, 04 Apr 2019 10:04:26 -0700
Cc: Peter Psenak <ppsenak@cisco.com>, "Jakob Heitz (jheitz)" <jheitz@cisco.com>, "lsr@ietf.org" <lsr@ietf.org>
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To: David Allan I <david.i.allan@ericsson.com>
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Subject: Re: [Lsr] Flooding Path Direction
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Hi Dave,

> The algorithm in draft-allan actually has the notion of upstream, downstream
> and both upstream and downstream FT adjacencies. However as a generalized
> form is still a WIP and has yet to demonstrate merit against any of the
> other approaches on the table, I'd not be looking to suggest a specific
> encoding. 


Thanks.


> If at some point it is decided that different classes of FT adjacency are
> required, simply using additional types that share the format of the
> flooding path TLV would appear to be sufficient....(?)

Or perhaps having a separate TLV for a unidirectional path would suffice.

That would allow both paths to be encoded most optimally.

Tony