Re: [spring] 6MAN WGLC: draft-ietf-6man-sids

Dhruv Dhody <dhruv.ietf@gmail.com> Wed, 05 October 2022 04:27 UTC

Return-Path: <dhruv.ietf@gmail.com>
X-Original-To: spring@ietfa.amsl.com
Delivered-To: spring@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A0478C1524C8; Tue, 4 Oct 2022 21:27:39 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.108
X-Spam-Level:
X-Spam-Status: No, score=-2.108 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Eyl0p2qT19y8; Tue, 4 Oct 2022 21:27:39 -0700 (PDT)
Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 28EDFC1524C0; Tue, 4 Oct 2022 21:27:39 -0700 (PDT)
Received: by mail-ed1-x52f.google.com with SMTP id l22so19945421edj.5; Tue, 04 Oct 2022 21:27:39 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date; bh=Ti+e76AHYTmUHd0bnLnqK70RGYRk3k0J2MGg8BbJ8zE=; b=iFTUvKyo2AiusC8RoJbAAm3BOtVo77W0DAxkMPkjpiHe+RKzeLVVPN3TGe3sv+NrfA EOQXR7kxyBL9gf1VBO0/ftb4oJg6htyB1Pqj3J0z1Uj0AfSUgh2N2boaKpoz/h8Ks+Ui htr0NbyUZIuU5iKIl8q/DFf/TFkLfa/oqdCeteE1t6Et93tx0TniGrW7jSfMXXo5Uj2X REvbzYJPvupQNrk83a/cDJdCzOW5pMn+9qiaCCM+U476clIdm6tQcikWIUwzNJcrAIDy KgbmS2NNfcw5WQCRLTfPedOO4kK4lwRWjkf5kOGwWdoZS8hffI/Y+6kPuMkmdIAzrCs3 sBZw==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date; bh=Ti+e76AHYTmUHd0bnLnqK70RGYRk3k0J2MGg8BbJ8zE=; b=jv5EL9+qgHFBr/Ohb6owl/aaByzsBzOGBIoPWM+bd6nlFOYrqf/Dbv4yrgLj4H6GJE Mn/7QlxbfPSnUL5lQLszaTg3xu/H38stJ+2HLA10wKBQrcQwEpM1KrqSX6pqjofiRBD9 zGovX2gQB7LdO2U54zpOoIDPBmsrPsM6DU4jGIMoXwKbnauiBXrbZFfJEniTiOEk6iqo 1WWKVUM5TkmgfIjVdM+uKVtbKfBIhGdFu+rRxpd085FSJToxt5x6kULEl/nQvK9NIuRL MUVfEGvhHL4UG9aQtY3cGvu/TlUlvnIbpO2obN+OHR3nZZHyRzbWa/4IGT5j+Z4EW4k9 Bwjg==
X-Gm-Message-State: ACrzQf3K2RlExUH/j4mq4G+xvXtB5hzi/6hKo2cI5/2gxfiWVsp8qHXy byA3wmwbhASOCGlqP4tIHkV+1v+7kZL3iSijm+8=
X-Google-Smtp-Source: AMsMyM6HwXjgu2eCzj9lk2cyxIzrNAU/pPK8CZMJyqydv+NEG3CbypePLhGboVYUhcr+7Qvzl0XYar2ynwYs1IOHs6I=
X-Received: by 2002:a05:6402:4446:b0:457:eebd:fe52 with SMTP id o6-20020a056402444600b00457eebdfe52mr26603035edb.234.1664944057494; Tue, 04 Oct 2022 21:27:37 -0700 (PDT)
MIME-Version: 1.0
References: <CAFU7BARixwPZTrNQOuEw3WP-FqUsVwTj7btMTahcMbXm_NqWGw@mail.gmail.com> <CAB75xn4+N31=ggO03AAQJANv7RgHaC1eNGXRUQ9B20rLK+nJyg@mail.gmail.com> <E77D8982-11E9-45F9-81BF-3CA1E1F6B745@gmail.com>
In-Reply-To: <E77D8982-11E9-45F9-81BF-3CA1E1F6B745@gmail.com>
From: Dhruv Dhody <dhruv.ietf@gmail.com>
Date: Wed, 05 Oct 2022 09:57:01 +0530
Message-ID: <CAB75xn4Zme4KOjPuY1_-4jCKTk1jshbq8X645zXhYQLiKB+N9g@mail.gmail.com>
To: Suresh Krishnan <suresh.krishnan@gmail.com>
Cc: Jen Linkova <furry13@gmail.com>, 6man <ipv6@ietf.org>, SPRING WG List <spring@ietf.org>, 6man Chairs <6man-chairs@ietf.org>, draft-ietf-6man-sids.authors@ietf.org, spring-chairs@ietf.org
Content-Type: multipart/alternative; boundary="0000000000001e318005ea41fffb"
Archived-At: <https://mailarchive.ietf.org/arch/msg/spring/Dexs-GKxa_K1RvBs-FBxxDx0Ye4>
Subject: Re: [spring] 6MAN WGLC: draft-ietf-6man-sids
X-BeenThere: spring@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: "Source Packet Routing in NetworkinG \(SPRING\)" <spring.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/spring>, <mailto:spring-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/spring/>
List-Post: <mailto:spring@ietf.org>
List-Help: <mailto:spring-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/spring>, <mailto:spring-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 05 Oct 2022 04:27:39 -0000

Hi Suresh,

Thanks for taking the comments into consideration. Snip to just two
points...



> - Do we need to add some text on what happens if the address block
> assigned by IANA is not used in the received IPv6 packet?
>
> Dhruv: Any thoughts on this?

> - This text "This would be useful in identifying and potentially
> filtering packets at the edges of the SR Domains as described in Section
> 4.1.". But section 4.1 of this I-D does not have any text for this! Do
> you mean some other document?
>
>
> This is in reference to the following text in 4.1
> " In this case, to allow the SR domain to fail closed, some form of
> filtering based on the LOC part of the SRv6 SID is required as relying
> purely on the presence of an SRH will not be sufficient.”
>
> Please let me know if I can clarify this further.
>
>
Dhruv: I got confused because section 4.1 is meant to be only about C-SID.
My suggestion would be to avoid the reference and just put the relevant
sentence there for emphasis and clarity.

Thanks!
Dhruv