Our client’s
BSC product is complex with more than 3 million
lines of code. This BSC is a multi-processor system,
based on boards with Intel 386 processors, with
limited memory size and processing speed. The solution
was to move on to a standard platform with the following
advantages:
 |
High processor
speed |
|
Smaller rack size |
|
Standardized High speed internal
communication mechanism |
|
Standardized operating system |
|
Standardized platform |
|
Standardized platform management
system |
Wipro approached this problem by designing a
virtual-OS (VOS) layer which simulated the proprietary
OS. The VOS is a layer between the standard OS
and the existing BSC software. This solution envisaged
very minimal changes in the BSC application software.
Wipro demonstrated the capability of this VOS
through a prototype, which gave the client confidence
to go ahead with this design.
Wipro’s solution of the VOS marked the BSC
software from the following changes:
|
Replacement of
multiple older hardware boards with a single
new high performance boards |
|
Communication between multiple
high performance boards |
|
Communication between BSC and
other sub-systems |
|
The operating system change |
The existing BSC software did not functionality
split the user and control plane in a proper manner.
Wipro re-designed the BSC software in order to
functionally split the user plane and control
plane without changing the BSC subsystem’s
functionality. The BSC software was also modified
in such a way that, the hardware changes were
not visible outside the BSC sub-system.
Wipro was completely responsible from specification
to testing of terminals (OMC Simulator and trace
terminal) to provide better capability and features
involving the IP connectivity with the BSC
The Fault Management Capability has been redesigned
to take care of new hardware. |
