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Re: [Ila] [5gangip] Problem Statement

Dino Farinacci <farinacci@gmail.com> Fri, 27 April 2018 19:26 UTC

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From: Dino Farinacci <farinacci@gmail.com>
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Date: Fri, 27 Apr 2018 12:26:14 -0700
Cc: Tom Herbert <tom@herbertland.com>, 5GANGIP <5gangip@ietf.org>, Behcet Sarikaya <sarikaya@ieee.org>, Christian Huitema <huitema@huitema.net>, Dirk.von-Hugo@telekom.de, ila@ietf.org
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To: Tom Herbert <tom@quantonium.net>
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Subject: Re: [Ila] [5gangip] Problem Statement
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> 
> We are currently using a distributed key value store for that (redis
> DB). ILA-Rs read the monitor their shard. Code is in

So does LISP.

> github.com/quantonium/ila if you want to take a look. IMO, using a KV
> store for this as opposed to developing a new protocol is a good

I don’t want to look at code. I want you to explain clearly how a cache misser gets the RLOC. What if the identifier is not in its shard?

> direction. This way were leveraging all the recent development for
> security, availability, reliability, replication, etc.
> 
> ILAMP defines the protocol between ILA-Rs and ILA-Ns primarily for
> managing ILA-N caches.

I know that. You are not answering the key questions.

>> perform the transformation on subsequent packets. ILA forwarding nodes
>>> never drop or block packets because of a cache miss.
>> 
>> But then they don’t have a locator to transform or redirect.
>> 
> The router can send them a redirect if it chooses. On a cache miss the
> packet is forwarded like normal.

You are missing the point. Forward to where? How?

Dino

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