IEEE 802.11-20/0192r2 Study Group Formation for RCM Recommendations
In January 2020, a study group was established to address the impact of Random and Changing MAC addresses (RCM) on non-AP STAs in IEEE 802.11 environments. The group aims to enhance user experiences while considering privacy concerns and developing relevant amendments to the standard. Recommendations from the RCM TIG and ad hoc group highlight the need for future work to support various use cases such as infrastructure connection, customer support, and privacy enhancements for 802.11 users. The study group intends to develop projects focusing on improving user experience and privacy within the IEEE Std. 802.11 framework.
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Doc.: IEEE 802.11-20/0192r2 January 2020 Random and Changing MAC addresses (RCM) study group creation Date: 2020-01-16 Authors: Name Affiliation Ruckus/CommS cope Address 350 W. Java Dr. Sunnyvale, CA Phone Email mark.hamilton@commscope. com Mark Hamilton +1.303.818.8472 Mark Hamilton, Ruckus/CommScope Submission Slide 1
Doc.: IEEE 802.11-20/0192r2 January 2020 RCM TIG recommendations In March 2019, 802.11 WG recognized the upcoming prevalence of Random and Changing MAC addresses (RCM) in the market, for privacy reasons. An RCM TIG was formed to assess the situation. The RCM TIG output report from November 2019 can be found here: https://mentor.ieee.org/802.11/dcn/19/11-19-1442-09-0rcm-rcm-tig-draft- report-outline.odt The report recommends future work to address issues directly affecting the operation of MAC and PHY because of RCM behavior on non-AP STAs. This work might have the aim of producing an amendment to the Standard implementing some of the mitigation strategies described in Section 4 of the report. Other use-cases in Section 3, in support of users of 802.11 technologies, might also be facilitated by such work and/or there might be a need for a Recommended Practice in the form of an annex to the standard. Slide 2 Mark Hamilton, Ruckus/CommScope Submission
Doc.: IEEE 802.11-20/0192r2 January 2020 RCM ad hoc recommendations In January 2020, an ad hoc group was formed to consider next steps based on the report, and take appropriate steps to facilitate those next steps. The RCM ad hoc recommends (13-0-1) pursuing future work to address environments where non-AP STAs use random/changing MAC addresses, by developing text to improve the STA s user experience for use cases such as: Initial Infrastructure Connection Steering Customer Support and Troubleshooting Arrival detection in a home environment, or other trusted environment This might include recommendations and/or normative text The ad hoc recommends the formation of a study group to develop 2 project proposals: 1) to address environments where non-AP STAs use random/changing MAC addresses; and 2) to improve the privacy of 802.11 users. The intention is to work on both projects in a single 802.11 task group. Mark Hamilton, Ruckus/CommScope Submission Slide 3
Doc.: IEEE 802.11-20/0192r2 January 2020 Motion to create RCM Study group Approve the formation of the 802.11 Randomized and Changing MAC addresses (RCM) Study Group to develop 2 Project Authorization Requests (PARs) and Criteria for Standards Development (CSDs) for 2 projects to: 1. Develop an amendment into IEEE Std 802.11 with modifications, feature additions, or recommendations, to improve the STA s user experience in environments where non-AP STAs use random/changing MAC addresses. To consider use cases such as (but not limited to): Initial Infrastructure Connection Steering Customer Support and Troubleshooting Arrival detection in a home environment, or other trusted environment This must not compromise current levels of privacy protection afforded by the IEEE 802.11 standard or best understanding of current practices in RCM implementations. 2. Develop an amendment into IEEE Std 802.11 with modifications, feature additions, or recommendations, to improve user privacy. This includes a review of IEEE P802E and its implications on IEEE Std 802.11. Mark Hamilton, Ruckus/CommScope Submission
