System and method for low-latency network data switching

A method comprising:

• a digital crosspoint switch of a network switching system (NSS) replicating input data received via a first network interface of the NSS to a first data processing port of a data processing card of the NSS, wherein:
• the input data comprises a digital market data feed comprising a plurality of market-data packets;
• the digital crosspoint switch comprises a plurality of crosspoint ports comprising a set of internal crosspoint ports and a set of external crosspoint ports;
• the data processing card comprises a programmable logic device and a plurality of data processing ports connected to the internal crosspoint ports, the plurality of data processing ports comprising the first data processing port and a second data processing port;
• the NSS comprises a plurality of network interfaces connected to the external crosspoint ports, the plurality of network interfaces comprising the first network interface and a second network interface;
• the data processing card processing the input data and generating first processed data on the second data processing port, wherein generating the first processed data comprises only including market-data packets that meet a first predetermined filtering criterion in the first processed data;
• and
• the digital crosspoint switch replicating the first processed data from the second data processing port to the second network interface.