Introduction to IEEE 802c SLAP
IEEE 802c defines Local Medium Access Control (MAC) Address Usage, providing structured approaches through the Structured Local Address Plan (SLAP) in different regions of the local MAC address space. Local MAC addresses are not globally unique, and the assignment is within local administration's scope, allowing for more efficient reuse of the address space. The standard aims to facilitate future local MAC address management without the need for persistent universal addresses.
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July 2023 doc.: IEEE 802.11-23/1231r2 Introduction to IEEE 802c SLAP Authors: Name Antonio de la Oliva InterDigital, Affiliation Address Phone email aoliva@it.uc3m.es UC3M Submission Antonio de la Oliva, InterDigital
July 2023 doc.: IEEE 802.11-23/1231r2 Intro to IEEE 802c IEEE 802c defines Local Medium Access Control (MAC) Address Usage It is not a mandatory standard, but it will help to the reuse of the local MAC address space in the future. Structured Local Address Plan (SLAP) specifies different assignment approaches in four specified regions of local MAC address space. Local MAC addresses are not presumed globally unique across all IEEE 802 networks. Unlike universal addresses, which are persistent to the MAC entity, local MAC addresses are not necessarily persistent. The local MAC address assigned to a MAC entity, including any subsequent change to that assignment, is entirely within the scope of the local administration. Submission Antonio de la Oliva, InterDigital
July 2023 doc.: IEEE 802.11-23/1231r2 Local MAC Addresses and SLAP U/L bit, 1 Local admin I/G bit, 0 unicast Submission Antonio de la Oliva, InterDigital
July 2023 doc.: IEEE 802.11-23/1231r2 SLAP Quadrants Z bit ELI/CID SAI 0 1 Y bit AAI Reserved Slide taken from 19/1307r00 Submission Antonio de la Oliva, InterDigital
July 2023 doc.: IEEE 802.11-23/1231r2 46 bit randomization (no local address policy) Z bit ELI/CID SAI random addresses in colored area 0 1 Y bit AAI Reserved Slide taken from 19/1307r00 Submission Antonio de la Oliva, InterDigital
July 2023 doc.: IEEE 802.11-23/1231r2 ESS Restricted Prefixes Z bit ELI/CID SAI For ELI, the policy is specified by the CID owner ESS advertises that red areas are in- use CID1 SAI1 CID2 For SAI, the policy is specified by 802 STA that understands how to follow the policy associated with those prefixes may associate there CID3 SAI2 For AAI and Reserved, the policy is specified by the admin; could involve pre- configured addresses 0 1 Y bit Admin1 Admin2 Admin2 AAI Reserved Slide taken from 19/1307r00 Submission Antonio de la Oliva, InterDigital
July 2023 doc.: IEEE 802.11-23/1231r2 ESS Restricted Prefixes, with randomization Z bit ELI/CID SAI CID1 SAI1 ESS can advertise (per quadrant) that non-restricted addresses may be used randomly CID2 CID3 SAI2 0 1 Y bit Admin1 Admin2 Admin2 AAI Reserved Slide taken from 19/1307r00 Submission Antonio de la Oliva, InterDigital
July 2023 doc.: IEEE 802.11-23/1231r2 Support in IEEE 802.11 Local MAC address SLAP is already partially supported in IEEE 802.11-2020 Please see Local MAC Address Policy ANQP-element Submission Antonio de la Oliva, InterDigital
doc.: IEEE 802.11-23/1231r2 Strawpoll Should the procedure by which the STA select IRM follow the IEEE 802c SLAP (Structured Local Address Plan)? Y: 6 N: 13 A: 5 Submission
