February 20, 2007
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Transcript of February 20, 2007
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CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
February 20, 2007
LBS Roaming SettlementConference Call
May 7th, 2007
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www.cdg.org2
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
LBS Roaming Initiative Update
• LBS roaming initiative quickly nearing completion
• “PDE transaction method” identified as industry solution for user plane user
• Still need to finalize settlement component
• Need to capture all work in a CDG reference document
• Two conference calls and Tampa meeting planned– LBS Roaming Settlement Conference Call, May 7th, 2pm Pacific, 858-845-5000 (ID=3333,
PW=3333)
– LBS Roaming Solution Document Review, June 7th 2pm Pacific, 858-845-5000 (ID=9999, PW=9999)
– Final Face to Face Meeting, June 15th 2007 2:45 p.m. (Tampa Bay Area)
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www.cdg.org3
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
Review of Transaction-Based Solution
Home operator Visited operatorNetwork connection
AAA
RAN
PDSN
PCF
AAA
RAN
PDSNFA
H-PDE
HA
V-PDE
IS-801 traffic
H-PDE detects the MS is roaming and sends IS-801 primitive service requests to V-PDE.
RPC-like interface
CRX or Internet
CRX or Internet
RPC-like interface that enables a transaction-based service
MIP/L2TP tunnel
PCF
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www.cdg.org4
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
Overview of Settlement• Refers to financial settlement between operators
• Remuneration for services provided to inbound roamers
• Currently performed between operators for packet data roaming. Settlement charges are calculated by the kilobyte.
• Operators indicated this will be a requirement for LBS roaming
– LBS roaming will consume V-PDE resources
– In many cases, LBS roaming volumes between operators will be asymmetrical
• This slide deck investigates LBS roaming settlement for the “remote transaction solution” for user plane LBS roaming
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www.cdg.org5
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
Status of Settlement Solution
• General agreement on LBS usage record solution
• Open questions:– Will CRX be used for settlement?– Create general usage record for multiple
applications? (raised in Macau)– Use existing billing records, e.g. UDRs or DIAMETER
billing records (raised in Macau)
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www.cdg.org6
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
Will CRXs be used in settlement?
Home operator Visited operator
AAA
RAN
PDSN
PCF
AAA
RAN
PDSNFA
H-PDE
HA
V-PDE
CRX or Internet
CRX or Internet
PCF
• Recommendation: Make CRX generation/settlement optional in CDG reference document
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www.cdg.org7
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
Strawman Location Billing Record (LBR)
• Strawman specifically designed for remote transaction solution
• Strawman is based on proposed inter-PDE protocol
• Assumes:– Billing/Settlement are performed on a per transaction basis– Operators want details of each PDE transaction– Summaries can be generated using LBRs on a periodic basic,
e.g. monthly– No LBR generated for keep alive messages– Detailed logs will also be available on PDEs – possible that
LBRs are generated from logs
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www.cdg.org8
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
LBR fields
Field Size (Bytes)
Description
V-PDE Carrier ID 5 Unique ID for operator of V-PDE (MCC + IMSI_11_12 )
H-PDE Carrier ID 5 Unique ID for operator of H-PDE (MCC + IMSI_11_12)
V-PDE IP Address 4 Public IPv4 address of V-PDE
H-PDE IP Address 4 Public IPv4 address of H-PDE
V-PDE ID 2 Unique ID for V-PDE (specified in transaction protocol)
H-PDE ID 2 Unique ID for H-PDE (specified in transaction protocol)
Date and Time 4 UTC (Universal time code), seconds since 1/1/70
Session ID 2 Associates transactions with a single IS-801 session (specific in transaction protocol)
Transaction ID 2 Unique transaction ID for the individual transaction (specified in transaction protocol)
Message Type 1 Request Assistance Data or Request Location Estimate (specified in transaction protocol)
Response 1 Request Assistance Data, Request Location Estimate, or Reject (specified in transaction protocol). Likely no billing applied to rejected requests.
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www.cdg.org9
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
Modify LBS to be application billing record?
• Do we expect other applications to need similar billing records? (normally MS accesses home server)
• Can we anticipate the need of future applications?
• Would we compromise the LBR record by trying to accommodate future unknown applications?
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www.cdg.org10
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
ABR – Application Billing Record?
Field Size (Bytes)
Description
Application 2 Type of application being used (LBS = 1?)
V-PDE Carrier ID 5 Unique ID for operator of V-PDE (MCC + IMSI_11_12 )
H-PDE Carrier ID 5 Unique ID for operator of H-PDE (MCC + IMSI_11_12)
V-PDE IP Address 4 Public IPv4 address of V-PDE
H-PDE IP Address 4 Public IPv4 address of H-PDE
V-PDE ID 2 Unique ID for V-PDE (specified in transaction protocol)
H-PDE ID 2 Unique ID for H-PDE (specified in transaction protocol)
Date and Time 4 UTC (Universal time code), seconds since 1/1/70
Session ID 2 Associates transactions with a single IS-801 session (specific in transaction protocol)
Transaction ID 2 Unique transaction ID for the individual transaction (specified in transaction protocol)
Message Type 1 Request Assistance Data or Request Location Estimate (specified in transaction protocol)
Response 1 Request Assistance Data, Request Location Estimate, or Reject (specified in transaction protocol). Likely no billing applied to rejected requests.
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www.cdg.org11
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
RADIUS/DIAMETER UDRs for LBS billing
• UDRs normally for general data access by users
• LBS records only needed for settlement
• Desirable to have LBS billing records in normal billing stream?
• UDR well suited for information required for LBS billing?
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www.cdg.org12
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
Used RADIUS/DIAMETER UDRs?
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www.cdg.org13
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
UDR continued…
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www.cdg.org14
CDMACelebrat ing T en Y ears of
Commercial Success and I nnovat ion
20051995
UDR continued…