1. Benefits of Migrating Legacy Applications to OpenSAF
Christopher Price
Manager of S&T for Policy & DPI
Ericsson

2. The SAPC Legacy Service aware policy control
Provides dynamic policy decisions in IP networks
Developed and matured on Ericsson TSP
Robust and mature telephony platform
Highly functional MW
Proprietary OS
Market leading PCRF functionality
Fully capable fixed/mobile convergence policy control function
Emerging PCF/BPCF product

3. Converged Policy Control
Converged Policy Control
SERVICES /
BACK OFFICE
User Profile DB’s
Fixed and
MOBILE AF
Fixed &
MOBILE IMS
(SBG, P-CSCF)
Hlr-fe
SPR
External DB
Self-Service
Web Portal
Hss-fe Rx
LDAP
SOAP
TISPAN Rq
SAPC
(PCRF+/RACF)
CENTRALIZED
POLICY
CONTROL
TISPAN e4
LDAP
SQL
SOAP
NASS
PCRF S9
/// Gx+ Gx Gx
Visited Network Gy
/// Gx+
RADIUS/ RADIUS CoA Rx
SCSM API
TRANSPORT
LEVEL
Access GW
DPI
Non-
Accesses
BRAS/
BNG
DPI
RADIUS CoA (*) – Multivendor Support 3

4. The value of a great legacy?
When moving platforms, It’s not what you get…
Product Stability
Known behaviors
Established interfaces

5. Our drivers for change “Thinning” the middleware
Our drivers for change
“Thinning” the middleware
Managing the hardware footprint
Moving into “the cloud”
2009
2010
2011 5

6. Other drivers for change
Other drivers for change
Open architecture – opens minds…
Global OpenSAF community
Global Java AS user community
Common software internal community
The right ingredients for an innovative culture! 6

7. Our approach to Migration
Our approach to Migration
Begin with an open mind
Evaluate
Leverage
Talk about it! ME SF T
Managed element: root class of model
Equipment
Transport
System functions: OAM functions (CM, FM, PM, etc) E
Policies Repository
Policies
Rules PR
L:s
P:s
R:s L P R
Locator
Policy
Rule
Locators
SAPC N
E:s RC RN
Network
Radius Config
Radius Neighbour
Entities
Entity
Sapc Configuration 7

8. Developing on OpenSAF OS & IP HW System OAM Comp. Application 1
Middleware
OS & IP
HW System
OAM
Comp.
Virtualization
Application 2
Middleware
OS & IP
HW System
OAM
Comp.
Virtualization
Middleware
OS & IP
HW System
OAM
Comp.
Application 3