[Iotops] Re: I-D Action: draft-ietf-iotops-security-protocol-comparison-08.txt

[John Mattsson <[e-mail]>]

Hi Akram,

Yes, the document includes an analysis of DTLS 1.2, DTLS 1.3, TLS 1.2, and TLS 1.3 record layers without compression and with 6LoWPAN-GHC. 6LoWPAN-GHC is great for (D)TLS 1.2, but increase the size of (D)TLS 1.3.

     ===============================================================
       Sequence Number                  '05'      '1005'    '100005'
      ---------------------------------------------------------------
       DTLS 1.2                          29         29         29
       DTLS 1.3                          11         11         11
      ---------------------------------------------------------------
       DTLS 1.2 (GHC)                    16         16         16
       DTLS 1.3 (GHC)                    12         12         12
      ---------------------------------------------------------------
       TLS  1.2                          21         21         21
       TLS  1.3                          14         14         14
      ---------------------------------------------------------------
       TLS  1.2 (GHC)                    17         18         19
       TLS  1.3 (GHC)                    15         16         17
      ---------------------------------------------------------------
       OSCORE request                    13         14         15
       OSCORE response                   11         11         11
      ---------------------------------------------------------------
       Group OSCORE pairwise request     14         15         16
       Group OSCORE pairwise response    11         11         11
      ===============================================================

         Figure 5: Overhead (8 bytes ICV) in bytes as a function of
                sequence number (Connection/Sender ID = '')


With -08, we have addressed all received comments and issues.

Cheers,
John

From: AKRAM SHERIFF <[e-mail]>
Date: Tuesday, 21 January 2025 at 12:21
To: Francesca Palombini <francesca.palombini=[e-mail]>
Cc: [e-mail] <[e-mail]>
Subject: [Iotops] Re: I-D Action: draft-ietf-iotops-security-protocol-comparison-08.txt
Hi  Francesca et Team,
                                      Does it  also include analysis of the DTLS and TLS record layer without compression and with compression (e.g., 6LoWPAN-GHC  ?


Regards
-Akram Sheriff

On Tue, Jan 21, 2025 at 4:25 PM Francesca Palombini <francesca.palombini=[e-mail]<mailto:[e-mail]>> wrote:
Hi all,

With some delay, this update is meant to address the WGLC comments received from Marco and Thomas (nothing controversial, but some small fixes in phrasing and in the examples). Thanks again for your reviews!

Francesca

From: [e-mail]<mailto:[e-mail]> <[e-mail]<mailto:[e-mail]>>
Date: Tuesday, 21 January 2025 at 11:48
To: [e-mail]<mailto:[e-mail]> <[e-mail]<mailto:[e-mail]>>
Cc: [e-mail]<mailto:[e-mail]> <[e-mail]<mailto:[e-mail]>>
Subject: [Iotops] I-D Action: draft-ietf-iotops-security-protocol-comparison-08.txt
Internet-Draft draft-ietf-iotops-security-protocol-comparison-08.txt is now
available. It is a work item of the IOT Operations (IOTOPS) WG of the IETF.

   Title:   Comparison of CoAP Security Protocols
   Authors: John Preuß Mattsson
            Francesca Palombini
            Mališa Vučinić
   Name:    draft-ietf-iotops-security-protocol-comparison-08.txt
   Pages:   54
   Dates:   2025-01-21

Abstract:

   This document analyzes and compares the sizes of key exchange flights
   and the per-packet message size overheads when using different
   security protocols to secure CoAP.  Small message sizes are very
   important for reducing energy consumption, latency, and time to
   completion in constrained radio network such as Low-Power Wide Area
   Networks (LPWANs).  The analyzed security protocols are DTLS 1.2,
   DTLS 1.3, TLS 1.2, TLS 1.3, cTLS, EDHOC, OSCORE, and Group OSCORE.
   The DTLS and TLS record layers are analyzed with and without 6LoWPAN-
   GHC compression.  DTLS is analyzed with and without Connection ID.

The IETF datatracker status page for this Internet-Draft is:
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-ietf-iotops-security-protocol-comparison%2F&data=05%7C02%7Cfrancesca.palombini%40ericsson.com%7Ccda4b4565e6c4233d92908dd3a09181d%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638730532915542086%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2FKL%2Bw3oMO5LN2aSn1Oz8cf%2Ftx2omll%2B65ocEt0WHzgo%3D&reserved=0<https://datatracker.ietf.org/doc/draft-ietf-iotops-security-protocol-comparison/>

There is also an HTML version available at:
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ietf.org%2Farchive%2Fid%2Fdraft-ietf-iotops-security-protocol-comparison-08.html&data=05%7C02%7Cfrancesca.palombini%40ericsson.com%7Ccda4b4565e6c4233d92908dd3a09181d%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638730532915561670%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=LBaQXF3Uagdo9M4d3ZExWgfhVQge%2F38W295av8ehwM0%3D&reserved=0<https://www.ietf.org/archive/id/draft-ietf-iotops-security-protocol-comparison-08.html>

A diff from the previous version is available at:
https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fauthor-tools.ietf.org%2Fiddiff%3Furl2%3Ddraft-ietf-iotops-security-protocol-comparison-08&data=05%7C02%7Cfrancesca.palombini%40ericsson.com%7Ccda4b4565e6c4233d92908dd3a09181d%7C92e84cebfbfd47abbe52080c6b87953f%7C0%7C0%7C638730532915573625%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=s26ScOWa5dcMObBJMf%2Bvsf2UT%2Fjbl%2FPMn4wgu5SVg5I%3D&reserved=0<https://author-tools.ietf.org/iddiff?url2=draft-ietf-iotops-security-protocol-comparison-08>

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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