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Re: [5gangip] New Version Notification for draft-xyzy-atick-gaps-00.txt

Dino Farinacci <farinacci@gmail.com> Thu, 07 June 2018 13:27 UTC

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From: Dino Farinacci <farinacci@gmail.com>
In-Reply-To: <95EF1DB1-A51B-4638-B7E1-FD859ACB6BC8@st-andrews.ac.uk>
Date: Thu, 7 Jun 2018 06:27:39 -0700
Cc: Luigi Iannone <ggx@gigix.net>, 5GANGIP <5gangip@ietf.org>
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To: Saleem Bhatti <saleem@st-andrews.ac.uk>
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Subject: Re: [5gangip] New Version Notification for draft-xyzy-atick-gaps-00.txt
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> ILNP is a "host-based" (end-system) solution and not a "network-based" solution. If the end-system is not updated to support ILNP, then ILNP cannot be used.

We will have the serialization problem establishing transport connections then. We had this with IPv4 and IPv6. 

To be specific, DNS returns both A and AAAA records. The local system sends a TCP SYN and it times out because there is not a complete IPv6 path to the destination. Then IPv4 is tried and used. Connection open latency of the time-out value.

The same problem happens here because the local system is doing ILNP and the destination is not, it takes a response to find out. Connection open latency 1 RTT.

Dino

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