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[Ntp] draft-ietf-ntp-alternative-port-02

Doug Arnold <doug.arnold@meinberg-usa.com> Wed, 10 November 2021 21:54 UTC

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From: Doug Arnold <doug.arnold@meinberg-usa.com>
To: Miroslav Lichvar <mlichvar@redhat.com>
CC: NTP WG <ntp@ietf.org>
Thread-Topic: draft-ietf-ntp-alternative-port-02
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Date: Wed, 10 Nov 2021 21:54:01 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/ntp/wR7bb1iIo7w1eciVvEctXFzbZ5E>
Subject: [Ntp] draft-ietf-ntp-alternative-port-02
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Miroslav,

You write with a style that is consice and straight forward, which makes your drafts easy to read.  Definitely a good thing.

However, there are two statements on page 4 of draft-ietf-ntp-alternative-port-02<https://datatracker.ietf.org/doc/draft-ietf-ntp-alternative-port/> that could use some elaboration.
“Only modes 1 (active), 2 (passive), 3 (client), 4 (server), and 5(broadcast) are generally usable on this port.”

The word “generally” makes this statement vague.  How about:
“Only modes 1 (active), 2 (passive), 3 (client), 4 (server), and 5(broadcast) SHOULD be used on this port.”


“The client MAY send a limited number of requests to both ports …”

A limit without further elaboration is not a limit at all. How about recommending a specific maximum number of requests/unit time on each port?
Doug

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