nanog mailing list archives

Re: Lossy cogent p2p experiences?


From: Mark Tinka <mark@tinka.africa>
Date: Wed, 6 Sep 2023 17:58:39 +0200



On 9/6/23 17:27, Tom Beecher wrote:


At least on MX, what Juniper calls 'per-packet' is really 'per-flow'.

Unless you specifically configure true "per-packet" on your LAG:

    set interfaces ae2 aggregated-ether-options load-balance per-packet

I ran per-packet on a Juniper LAG 10 years ago. It produced 100% perfect traffic distribution. But the reordering was insane, and the applications could not tolerate it.

If you applications can tolerate reordering, per-packet is fine. In the public Internet space, it seems we aren't there yet.

Mark.


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