[dtn] EID encoding (Was: Re: Convergence Layer Adapter - Endpoint IDs (CLA-EID))

"Clark, Gilbert J. (GRC-LCN0)" <gilbert.j.clark@nasa.gov> Mon, 09 December 2019 08:51 UTC

Return-Path: <gilbert.j.clark@nasa.gov>
X-Original-To: dtn@ietfa.amsl.com
Delivered-To: dtn@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 5D818120048 for <dtn@ietfa.amsl.com>; Mon, 9 Dec 2019 00:51:06 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.3
X-Spam-Level:
X-Spam-Status: No, score=-4.3 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=nasa.gov header.b=ZiEbkOQr; dkim=pass (1024-bit key) header.d=nasa.onmicrosoft.com header.b=WD0iDAmb
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 fC9621xI5r0P for <dtn@ietfa.amsl.com>; Mon, 9 Dec 2019 00:51:04 -0800 (PST)
Received: from ndjsvnpf102.ndc.nasa.gov (NDJSVNPF102.ndc.nasa.gov [198.117.1.152]) (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 4E2A912001A for <dtn@ietf.org>; Mon, 9 Dec 2019 00:51:04 -0800 (PST)
X-Comment: SPF check N/A for local connections - client-ip=198.117.0.48; helo=ndmsppt203.ndc.nasa.gov; envelope-from=gilbert.j.clark@nasa.gov; receiver=loiseau.lucien@gmail.com
DKIM-Filter: OpenDKIM Filter v2.11.0 ndjsvnpf102.ndc.nasa.gov 39084400B55C
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nasa.gov; s=letsgomars; t=1575881463; bh=5du8Bv3DBdxLfQWMDoVPhZI5ldGpJsBVxTrlXismOo4=; h=From:To:CC:Subject:Date:From; b=ZiEbkOQrs0mRGcK1b2hh/w8snFpCbXLAGs98Cv6qw9Y/al7Ld0gA7A2gNMB8HOX31 P21/jmAtEvlJfCpvhUS7qnruGxu1JA2r67zjyVudDgvnN0ZaDDygfwit8SEXXQ3E4z OGY13nhhgCX3UPKnqb1U17ORk8t2ia3t9DnBNqGo0JG9HZw5q8G89KOC3SD5MhO1gG OhgmiIva20x60ynkEwwkUp7qdz1sH2fdofxNJLB4w2XMhBc2qWnFVSuvL5EEzGNDlf udxGAM+SXnbBt6R7pds3EQM8GdfgGTNlC9GfgDk5qvonLAEnAgJruk81HG/37mXrd7 ORdhU2zyDrXww==
Received: from ndmsppt203.ndc.nasa.gov (NDMSPPT203.ndc.nasa.gov [198.117.0.48]) by ndjsvnpf102.ndc.nasa.gov (Postfix) with ESMTP id 39084400B55C; Mon, 9 Dec 2019 02:51:03 -0600 (CST)
Received: from pps.filterd (ndmsppt203.ndc.nasa.gov [127.0.0.1]) by ndmsppt203.ndc.nasa.gov (8.16.0.27/8.16.0.27) with SMTP id xB98p3cs097676; Mon, 9 Dec 2019 02:51:03 -0600
Received: from autodiscover.nasa.gov (ndmscht101-pub.ndc.nasa.gov [198.117.0.201]) by ndmsppt203.ndc.nasa.gov with ESMTP id 2wshk1g7nh-1; Mon, 09 Dec 2019 02:51:02 -0600
Received: from GCC02-BL0-obe.outbound.protection.outlook.com (104.47.64.103) by autodiscover.nasa.gov (198.117.0.201) with Microsoft SMTP Server (TLS) id 14.3.468.0; Mon, 9 Dec 2019 02:51:02 -0600
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=BMCy6CPT5gQ3y45AybSGWrDKSfZdNCAN6T85FIH0hC+B6oIk+o9d82RyScMNZmmpylOVX2RwjcHmzFG/dKalwqrZxiNeNa+tvBfFirEM6G+P18qYlH9D1TH/VEB0XMUwvKYm6ZM68pwBUFOzNrQoepv89U4txPq9Egzf6U9c0+JBbKTrtQx8d6nnVBId7d6ttJhGR81zjTk3yfQe3Q0o5td7ErkxBDdID7O5WOmlwyE1RAYkxfmRHg3e5S1gZpf9w50TNuIlYy0ym30NcxZemqsPFLdrbt0fFu90xlDTwdJUsCxYR2Utms/3+kDuFt/pTm+cKtHSKAtHhMBa4vlvBw==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5du8Bv3DBdxLfQWMDoVPhZI5ldGpJsBVxTrlXismOo4=; b=ZAu91af1Qxz+0/I9KrtdxVRMSPJpB9GS6+aB+It/BxuGn7gCznR2Y1zzYziUWJBzBUTqoqjKVtXb7Qg+zjj4GKk6YAZx5rJ7ooOgJ9AmCvcJq1vNoPRRCvbU/fzpOnHlypzaMf23SuypbG667q+xPv5xuBHqWeePgQrsT/UnFS/0LUyVPH9tmfOEe8jbieAaMU18QSeCRmuG3Ei9jCRfZ3yoPHX39sIuKRJAYoZJ2187Tt9wlEtSz+fNphvY9TibBq95sJ6mL5x7+gU2iyNmvX9cie83xnKIiaLJ8C4kGyJx0Oj+ZSjQTLF5lN4m5WWbnF8SQhIJt5gXP93pwPPtLg==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nasa.gov; dmarc=pass action=none header.from=nasa.gov; dkim=pass header.d=nasa.gov; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nasa.onmicrosoft.com; s=selector2-nasa-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5du8Bv3DBdxLfQWMDoVPhZI5ldGpJsBVxTrlXismOo4=; b=WD0iDAmbS7s/KCa0Nkq6Wjmd12T6Q/G9E5DV1wxHIiDtAg9WoxHVMaam6IrhtJK45DY2cBN4+6ojoep3HWTByHIc+vv/juo6y2cOFVl72Dl+ao8h0MO9CIjq5tX40Xl93z8moK3MEAhETuIa8DrotUoEoRLrKtTscN85QNnbzXw=
Received: from DM6PR09MB4025.namprd09.prod.outlook.com (10.141.166.147) by DM6PR09MB3961.namprd09.prod.outlook.com (10.141.166.14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2516.13; Mon, 9 Dec 2019 08:51:01 +0000
Received: from DM6PR09MB4025.namprd09.prod.outlook.com ([fe80::64e9:7874:e72d:46dd]) by DM6PR09MB4025.namprd09.prod.outlook.com ([fe80::64e9:7874:e72d:46dd%6]) with mapi id 15.20.2516.013; Mon, 9 Dec 2019 08:51:01 +0000
From: "Clark, Gilbert J. (GRC-LCN0)" <gilbert.j.clark@nasa.gov>
To: Loiseau lucien <loiseau.lucien@gmail.com>, Brian Sipos <BSipos@rkf-eng.com>
CC: "dtn@ietf.org" <dtn@ietf.org>
Thread-Topic: EID encoding (Was: Re: [dtn] Convergence Layer Adapter - Endpoint IDs (CLA-EID))
Thread-Index: AQHVrm3Iry8Dv2IqFkiN6VqgGJMDiw==
Date: Mon, 09 Dec 2019 08:51:01 +0000
Message-ID: <7B25D10D-6849-49A4-97A4-D91A84ECAA9E@nasa.gov>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/10.1f.0.191110
x-originating-ip: [192.92.190.206]
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 204342e4-d9f4-402d-be33-08d77c84eacb
x-ms-traffictypediagnostic: DM6PR09MB3961:
x-microsoft-antispam-prvs: <DM6PR09MB39617E0128E0F81E625CD816C9580@DM6PR09MB3961.namprd09.prod.outlook.com>
x-ms-oob-tlc-oobclassifiers: OLM:6790;
x-forefront-prvs: 02462830BE
x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(136003)(346002)(39860400002)(396003)(366004)(376002)(189003)(199004)(2616005)(54896002)(6512007)(6486002)(4326008)(478600001)(86362001)(2906002)(26005)(102836004)(6506007)(71200400001)(71190400001)(4744005)(76116006)(91956017)(58126008)(110136005)(36756003)(99286004)(64756008)(66446008)(66946007)(33656002)(66556008)(66476007)(9326002)(81166006)(5660300002)(186003)(8676002)(81156014)(8936002)(316002); DIR:OUT; SFP:1102; SCL:1; SRVR:DM6PR09MB3961; H:DM6PR09MB4025.namprd09.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1;
received-spf: None (protection.outlook.com: nasa.gov does not designate permitted sender hosts)
x-ms-exchange-senderadcheck: 1
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: FPy/ue0mUH+6NrxpcsjJSyV5ZmZ8MMshuMTnYDYqxwFqKarKyGXtktjvztl81p+uwPg6a9jIM64Hm2ip1DQOUlUv1WeRuO/ilMe0wj12o0/X4vGjMqAGH/3sJsIzogKwSUqfR4KXb6TjCPcIcA+XSb13qT7Ov7W6faZsFcu78Jz4Gzx4CwhKqybNaNmnVJUWS5+vmgrfhXFuna+E2j6mgoT3VpMDYepy89N3yNHpROVcOVURB/HynyXfmRUVtTI+f61dILU5g65GtfaBmo86XX3iuRKO5Hgr4WHKLa/4VqKbR41c+W4MyBxm1LPIT/yEJ8LZ+Q3MbRAJUxisSp+k1799hp5mz9wWuJrJoDqpRdsU+7OouzgVwjWJ7OkCMLatzs77zoa4eb4Ob4SVRiwHHtDwH5aTCPDzkmBFLGi3dvDt73ENzColtyuFmVstNLOT
x-ms-exchange-transport-forked: True
Content-Type: multipart/alternative; boundary="_000_7B25D10D684949A497A4D91A84ECAA9Enasagov_"
MIME-Version: 1.0
X-MS-Exchange-CrossTenant-Network-Message-Id: 204342e4-d9f4-402d-be33-08d77c84eacb
X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Dec 2019 08:51:01.1573 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 7005d458-45be-48ae-8140-d43da96dd17b
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: dH7CkLUkHGKfiwOtFCTZw+p7k1BxatSxeD2YaNx1wZoWTxwkF+1YxwtLkaQsEWM64nVS2YYQn24gdw4ZDRr0Zw==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR09MB3961
X-OriginatorOrg: nasa.gov
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-12-09_01:, , signatures=0
Archived-At: <https://mailarchive.ietf.org/arch/msg/dtn/w-D3MDNyLxyIVhfD2WbXiUe2haM>
Subject: [dtn] EID encoding (Was: Re: Convergence Layer Adapter - Endpoint IDs (CLA-EID))
X-BeenThere: dtn@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Delay Tolerant Networking \(DTN\) discussion list at the IETF." <dtn.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dtn>, <mailto:dtn-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dtn/>
List-Post: <mailto:dtn@ietf.org>
List-Help: <mailto:dtn-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dtn>, <mailto:dtn-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 09 Dec 2019 08:51:06 -0000

Hi,

Extracting a very small piece of this text for additional conversation and transplanting into a new thread here…

So we would have to wait for IANA to approve the scheme and then update the code in all of bundle node, seems like a lot of unnecessary bureaucracy, why not just a string for encoding EIDs?

The benefit of encoding this way is that it avoids string processing in the general case.  I personally see this as a feature, not a bug.

Cheers,
Gilbert

The views expressed in this mail reflect the opinions of the author.  They are, therefore, not intended to reflect official positions of NASA or the U.S. Government.