Return-Path: X-Original-To: hipsec@ietfa.amsl.com Delivered-To: hipsec@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 8378B12B1C7 for ; Mon, 26 Sep 2016 06:08:30 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.201 X-Spam-Level: X-Spam-Status: No, score=-4.201 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id AC2QpLmdE0CY for ; Mon, 26 Sep 2016 06:08:25 -0700 (PDT) Received: from sesbmg23.ericsson.net (sesbmg23.ericsson.net [193.180.251.37]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8587012B1B8 for ; Mon, 26 Sep 2016 06:08:25 -0700 (PDT) X-AuditID: c1b4fb25-5405a9800000793b-f2-57e91dc75a75 Received: from ESESSHC021.ericsson.se (Unknown_Domain [153.88.183.81]) by (Symantec Mail Security) with SMTP id 1F.F8.31035.7CD19E75; Mon, 26 Sep 2016 15:08:23 +0200 (CEST) Received: from [131.160.51.22] (153.88.183.153) by smtp.internal.ericsson.com (153.88.183.83) with Microsoft SMTP Server id 14.3.301.0; Mon, 26 Sep 2016 15:08:19 +0200 To: References: From: Miika Komu Organization: Ericsson AB Message-ID: <9dceaf66-40e7-08d4-86b7-b6228d25f6bb@ericsson.com> Date: Mon, 26 Sep 2016 16:08:19 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms010207070004010503030607" X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrOLMWRmVeSWpSXmKPExsUyM2J7oO5x2ZfhBnfWW1pMXTSZ2YHRY8mS n0wBjFFcNimpOZllqUX6dglcGYfevmMvWGJXsXTSTJYGxsOWXYycHBICJhIXpz9k6WLk4hAS WM8ocfnQRzYIZzWjxP9Z+9m7GDk4hAWcJTYdFARpEBEQlZjy4TQzRE0To0T/4g4WkASbgJbE qjvXmUFsfgFJiQ0Nu5lBenkF7CXuv2ADCbMIqErc/LiUEcQWFYiQuPUQopVXQFDi5MwnYDYn 0KqmX+fBbmAW6GaUODlpKQvIHCEBFYmLx4InMPLPQtIyC1kZSIJZwFbiztzdzBC2tsSyha+h bGuJGb8OskHYihJTuh+yQ9imEq+PfmSEsI0llq37y7aAkWMVo2hxanFSbrqRsV5qUWZycXF+ nl5easkmRmCQH9zyW3UH4+U3jocYBTgYlXh4E248DxdiTSwrrsw9xKgCNOfRhtUXGKVY8vLz UpVEeDeJvQwX4k1JrKxKLcqPLyrNSS0+xCjNwaIkzmu28n64kEB6YklqdmpqQWoRTJaJg1Oq gVHBR3DZGaOZr4qvXDm1lc9cztBd0MlJOmJy46zOn+1yRbNFfxudWTylMTomtETjT/v1a6Xi F8S3JIneey69SeHV91CWzG7L2fczX076kLbJ8Lb8yqAlS/xmSx/6FVIicIbViTNB2KvMTHOZ 8XztD5dYpnZ9zwj7nj/14twPzDks/5S+1O5oma7EUpyRaKjFXFScCADvdJYyegIAAA== Archived-At: Subject: Re: [Hipsec] Comment on VIA_RVS parameter - 5204 & 06 -bis X-BeenThere: hipsec@ietf.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "This is the official IETF Mailing List for the HIP Working Group." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Sep 2016 13:08:30 -0000 --------------ms010207070004010503030607 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable Hi, On 09/16/2016 02:45 PM, Robert Moskowitz wrote: > > > On 09/16/2016 06:57 AM, Tom Henderson wrote: >> >> >> >> On Thu, 15 Sep 2016, Robert Moskowitz wrote: >> >>> 5206-bis specifies how to user RVS for the 'double-jump' mobility >>> problem. >>> >>> 3.2.3 1) says: >>> >>> 1. The mobile host sending an UPDATE to the peer, and not receiving >>> an ACK, MAY resend the UPDATE to a rendezvous server (RVS) of the >>> peer, if such a server is known. >>> >>> But it DOES know there is an RVS IF the I1 had FROM and RVS_HMAC >>> parameters and it had created a VIA_RVS parameter to send in the R1. >> >> Yes, but the responder may not know the initiator's RVS even if the >> the responder's RVS was used, and it also may be the case that neither= >> host's RVS was involved in the session setup. > > I see now. As currently speced, R has no way of learning I's RVS. The > 'easy' way to fix this is for I to include a VIA_RVS in the I2 packet > for mobility support. > > "If you every want to get back to me, I can always be reached at this > number". do you actually need the initiator's RVS for double jump? I think the=20 responder's RVS is enough. >>> This VIA_RVS provides the knowledge and locator of the peer's RVS. >>> >>> In fact an aggressive mobility UPDATE would be sent simultaneously to= >>> the host and its RVS. If the host had not moved itself, it gets both= >>> and drops the one from the RVS. >> >> I believe that Baris Boyvat on the InfraHIP project was looking a >> while back at such an approach to fast mobility; it was called >> 'shotgun' approach to mobility and multihoming (try all candidates >> simultaneously), if I remember correctly. Yes, the idea was to send I1 (or UPDATE) through all the available=20 address pairs, but I think the idea is now achieved in a more controlled = way in draft-ietf-hip-native-nat-traversal-13 --------------ms010207070004010503030607 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC DKMwggXlMIIDzaADAgECAhAJdtiEOz4F3oNPssxObH7GMA0GCSqGSIb3DQEBBQUAMDoxETAP BgNVBAoMCEVyaWNzc29uMSUwIwYDVQQDDBxFcmljc3NvbiBOTCBJbmRpdmlkdWFsIENBIHYy MB4XDTE0MTIxNTEyNDQwMVoXDTE3MTIxNTEyNDQwMFowYjERMA8GA1UECgwIRXJpY3Nzb24x EzARBgNVBAMMCk1paWthIEtvbXUxJjAkBgkqhkiG9w0BCQEWF21paWthLmtvbXVAZXJpY3Nz b24uY29tMRAwDgYDVQQFEwdlbWlpa29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC AQEAsf2pgwYbVXxhx+wwvwrS5q56tLoEhnBUsb3JG3KHYATjfQryyJsDfn90YHMl49fXFORD 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