A re-configurable logic device such as a field programmable gate array (FPGA) can be used to deploy a data processing pipeline, the pipeline comprising a plurality of pipelined data processing engines, the plurality of pipelined data processing engines being configured to perform processing operations, wherein the pipeline comprises a multi-functional pipeline, and wherein the re-configurable logic device is further configured to controllably activate or deactivate each of the pipelined data processing engines in the pipeline in response to control instructions and thereby define a function for the pipeline, each pipeline function being the combined functionality of each activated pipelined data processing engine in the pipeline.