Download Information Elements

Information Elements
No
Name of
Description
Representation
Length
Information
(octets)
Element
General Information Elements
1.1
TYPE_IE_LIST_
List of Neighboring Access For example, RADIUS NAS-Port-Type
4
OF_NETWORKS
Networks.
attribute value which is a unique identifier
defined in http://www.iana.org/
Link types of the networks assignments/radius-types, e.g.,
that are available in a given 15: Ethernet
geographical area
18: Wireless - Other
19: Wireless - IEEE 802.11
22: Wireless - CDMA2000
23: Wireless - UMTS
24: Wireless - 1X-EV
etc.
1.2
TYPE_IE_NUMB Number of distinct
If networks of same link type have different 4
ER_OF_OPERAT operators for each avail- operators then they are classified as
ORS
able link type.
different networks. Thus there may be three
There maybe multiple
different 802.11 networks in an area, each
operators for each link
supported by a different operator
type.
1.3
TYPE_IE_LIST_
Network Operator List for
Variable
OF_OPERATORS each type of link.
1.4
1.5
1.6
1.7
This includes the list of
network operators for each
of the access networks.
TYPE_IE_NETWOR Capabilities of the access For example, if access networks allow VPN Variable
K_CAPABILITIES networks
services, proxy mobile IP servies, link
level security, P2P services, etc
TYPE_IE_OPER
Network Operator
RADIUS Operator-Name attribute defied in Variable
ATOR_IDENTIFI
draft-ietf-geoprivradius-lo- 05.txt.
ER
The operator of a network.
TYPE_IE_ROAM Roaming Partners.
Each operator has the same structure as
Variable
ING_PARTNERS
Network Operator information element.
Operators with which the
current network operator
has direct roaming
agreements.
TYPE_IE_COST
Cost
Should include the following:
Variable
Indication of cost for
Value: (Actual cost denomination)
service or network usage Unit: (Country/Currency code) - enumerated
Time Duration: Duration for which cost is
applicable - enumerated
Service Info: (whether unrestricted or
restricted)
Access Network specific information
For each (Link Type and Operator) combination following information may be provided
2.1
TYPE_IE_NUMB Number of Point of
This may be retrieved from Neighbor
4
ER_POA
Attachments (PoA) for a Reports
specific Access Network in
the Neighborhood. Number
of APs, BSs etc. in the
vicinity of client device
2.2
TYPE_IE_NETW
Security characteristics of Authentication Methods, Cipher Suites The Variable
ORK_SECURITY the link layer.
security capabilities type may be defined by
2.3
TYPE_IE_QOS
QoS (Quality of Service)
characteristics of the link
layer
PoA specific information
For each PoA of eachfollowing IEs may be provided
3.1
TYPE_IE_POA_
MAC Address of PoA
ADDRESS
3.2
TYPE_IE_POA_L
OCATION
media-specific MIB
The QoS classes and traffic type may be
defined by media-specific MIB
Link-layer address of PoA
(Usually the MAC Address of the PoA)
Variable
Variable
Location of PoA
Two types of location information are
Variable
supported in draft-ietf-geopriv-radius-loGeographical location of a 04.txt, i.e., geospatial location information
given PoA. Multiple
and civic location information.
location types are
supported including
Geospatial location information consists of:
coordinate-based location - Latitude Resolution
information and civic
- Latitude
address
- Longitude Resolution
- Longitude
- Altitude Type {Floor, Meters)
- Altitude Resolution
- Altitude
- Map Datum (Co-ordinate reference
system)
Civic location information consists of:
- Country Code
- Civic address elements
Method of obtaining location information
- GPS
- Manual
3.3
TYPE_IE_POA_
DATA_RATE
3.4
TYPE_IE_POA_P
HY_TYPE
TYPE_IE_POA_
MAC_TYPE
TYPE_IE_POA_
CHANNEL_RAN
GE
3.5
3.6
Data Rate
A data rate is represented as a 32-bit
The minimum and max- unsigned integer in unit of Kbps.
imum value of data rate
supported by the link layer
of a given PoA
The media PHY type.
Classification of the PHY layer
4
(32-bit
unsigned
integer)
The media MAC type.
Variable
Classification of the MAC layer
Channel Range/Parameters (Low, High range) MHz
Spectrum range supported
by the Channel for that
PoA
Higher layer services/information per PoA
4.1
TYPE_IE_POA_S Information about subnets (IPv4/IPv6)
UBNET_INFOR
supported by a typical PoA Each PoA may be assigned to multiple
MATION
subnets. Availability of global or private
address spaces.
4.2
TYPE_IE_POA_
CAPABILITIES
Bitmap of PoA capabilities Security Available
Y/N
QoS Available
Y/N
Emergency Services available Y/N
Others:
Other Information Elements
5.1
Vendor Specific IEs Vendor Specific Services These may be defined by individual ven-
Variable
4,4
(32-bit
unsigned
integer)
Variable
dors.