1. IEEE 802.21 Submission May 2004 David Johnston, Intel CorpSlide 1 802.11k MIB Access Harmonization David Johnston Intel Corporation vivek.g.gupta@intel.com May 2004

2. IEEE 802.21 Submission May 2004 David Johnston, Intel CorpSlide 2 Information Structure Requirements –Extensible Include other emerging networks New information elements –Compatible With other similar information formats (MIBs, 802.11k, CCX, IKE, etc.) –Easy to Parse and well understood Use Compiler/Parser etc. tools already available and in use Existing Information formats –ASN.1 –XML –TLV –Variant based Use ASN.1 for extensibility, compatibility and ease of use

3. IEEE 802.21 Submission May 2004 David Johnston, Intel CorpSlide 3 Information Elements Type of wireless network –802.x, zG, etc. Security –802.1x based, Pre-authentication supported, etc. RF Link layer –Channel number, SSID, MAC Address, Rate, Phy Location –X,Y,Z Operator, Service Provider information –T-Mobile, AT&T, etc.

4. IEEE 802.21 Submission May 2004 David Johnston, Intel CorpSlide 4 General Information Format Global Network Map = – Network Identifier 802.11, 802.16, GSM, GPRS, WCDMA, etc. –General Network Info Standards Security IP based –Other Network Specific Information Link information and list of APs for 802.11 List of Base Stations for 802.16 and access information Access information for Cellular Networks

5. IEEE 802.21 Submission May 2004 David Johnston, Intel CorpSlide 5 Global Network Neighborhood Map Network_Id=802.11 Standard = {802.11a,802.11b,802.11g,802.11n} Network Type = IP Security = 802.1x Neighbor Map: List of 802.11 APs {SSID, MAC Address, Channel, Location, Phy} Network_Id=802.16 Standard = {802.16d,802.16e} Network Type = IP Security = PKM Neighbor Map: List of 802.16 BSs {ID, MAC Address, Frequency, Location, Phy } Network_Id=GSM Phy Type = TDMA Network Type = Circuit Switched Security = Neighbor Map: Access Information for various carriers

6. IEEE 802.21 Submission May 2004 David Johnston, Intel CorpSlide 6 Example ASN.1 format for 802.11 Network_Map ::= SEQUENCE { Network_Info Network-List} Network-List ::= ENUMERATED {802.11,802.16,GSM,GPRS,WCDMA,….} 802.11 ::=SEQUENCE { –Standards ::=ENUMERATED {802.11a,802.11b,802.11g…….} –Network_Type ::= ENUMERATED {IP,ATM…} –Security ::= ENUMERATED {802.1x, PKM, …} –Neighbor_Map ::= SEQUENCE OF AP_List ) –AP_List ::= SEQUENCE { –SSID ::= String (SIZE (1..32) ) –BSSID ::= NumericString (SIZE (8) ) –Channel ::= INTEGER –Phy ::= ENUMERATED (CCK,DSSS, OFDM ) –Location_Location-Info } Location-Info ::=SEQUENCE { –X ::= INTEGER –Y :: INTEGER –Z :: INTEGER } –} Network_Id=802.11 Standard = {802.11a,802.11b,802.11g,802.11n} Network Type = IP Security = 802.1x Neighbor Map: List of 802.11 APs {SSID, MAC Address, Channel, Phy, Location}

7. IEEE 802.21 Submission May 2004 David Johnston, Intel CorpSlide 7 Access Method 802.21 is defining a media independent method for accessing the structured information defined above –Can be got at with 802 frames & appropriate Ethertype ASN.1 format may level MIB access and enable.11k MIB to be accessed via.21 transport