10 Jun '12, 6pm

Data Plane Software Moves To User Space via @ElectronicDesgn

Data Plane Software Moves To User Space via @ElectronicDesgn

Freescale's VortiQa software is moving to user space. VortiQa is Freescale's network management software (Fig. 1) that runs on its QorIQ and QorIQ Converge platforms (see Multicore CPU/DSP Combo Targets LTE Basestations ). Fig. 1: VortiQa sits atop Freescale's QorIQ multicore hardware providing access to hardware acceleration. The initial version of VortiQa ran in kernel mode as a driver that provided access to hardware acceleration on the QorIQ platforms. This is typically how hardware is accessed but it has the disadvantage of moving between kernal and user mode as applications control the hardware. This is fine in most instances but often an application is moved to the kernel side to gain more performance. Unfortunately kernel mode is harder to develop for and it does not provide the system protection that running an application in user space does. This latest incarnati...

Full article: http://electronicdesign.com/article/embedded/data-plane-s...

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