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Outlier differences: old UDP and TCP bindings vs new unified sockets binding

In June 2013, Chelsio submitted a new sockets binding for STAC-N that provided support for both UDP and TCP sported several new features. But the results yielded by the new binding aren't identical to those yielded by the old ones. The attached spreadsheet shows the differences. Post a note on the STAC Network I/O SIG forum if you have any thoughts on this.

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The speed with which applications in the trading process (algorithmic "black boxes", matching engines, smart order routers, etc.) can get information from and to the network is a critical--sometimes decisive--contributor to their overall latency. 

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