As market data volumes have exploded during the past 10 years and securities trading infrastructure has become increasingly strained, it has been firms’ networking teams that have come to the rescue by adapting technology innovations. But while Multicast, Gigabit Ethernet, better routers and switches and recently both 10 GB Ethernet and Infiniband have enabled the surge in market data, data management software infrastructure has contributed very little. Middleware messaging technology has indeed adopted multicast infrastructure to vastly improve market data consumer scalability, but the underlying improvements come directly from networking hardware advancements rather than software innovation. And multicast is often more a curse than a blessing – allowing only relatively coarse-grained distribution channels, providing less reliability than TCP/IP and negatively impacting the TCP/IP traffic of many mission critical applications on the shared corporate network.



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