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Re: [DNSOP] Spencer Dawkins' Discuss on draft-ietf-dnsop-session-signal-12: (with DISCUSS and COMMENT)

Ted Lemon <mellon@fugue.com> Tue, 31 July 2018 20:35 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Tue, 31 Jul 2018 16:35:45 -0400
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Cc: The IESG <iesg@ietf.org>, draft-ietf-dnsop-session-signal@ietf.org, Tim Wicinski <tjw.ietf@gmail.com>, dnsop-chairs <dnsop-chairs@ietf.org>, dnsop@ietf.org
To: Spencer Dawkins <spencerdawkins.ietf@gmail.com>
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Subject: Re: [DNSOP] Spencer Dawkins' Discuss on draft-ietf-dnsop-session-signal-12: (with DISCUSS and COMMENT)
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On Jul 31, 2018, at 2:41 PM, Ted Lemon <mellon@fugue.com> wrote:
>  The client may perform as many DNS operations as it wishes using the
> -newly created DSO Session. Operations SHOULD be pipelined (i.e., the
> -client doesn't need wait for a response before sending the next message).
> +newly created DSO Session. When the
> +client has multiple messages to send, it SHOULD NOT wait for each response before sending the next message.
> +This prevents TCP's delayed acknowledgement algorithm from forcing the
> +client into a slow lock-step.
>  The server MUST act on messages in the order they are transmitted, but
> -responses to those messages SHOULD be sent out of order when appropriate.
> +when responses to those messages become available out of order, the server
> +SHOULD NOT delay sending available responses in order to respond in order.

As a result of the discussion on Benjamin's DISCUSS, I noticed that we don't reference RFC7788 here, and this text mirrors section 3.3 of RFC778, so I added a line after this that explicitly references that section.

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