Iex Group, Inc.

Massachusetts Institute of Technology

Benjamin B Aisen

Robert Park

Bradley Toshio Katsuyama

Daniel Aisen

Allen Zhang

Blair Livingston

James Michael Cape

Francis Chung

Donald Bollerman

John Herbert Schwall

Ronan Gerard Ryan

Stanley Feldman

Tara McKee

David Lauer

Hugh Miller Herr

Jeff Anthony Weber

Lee Harris Magnusson

Andreas G Hofmann

Bruce Wayne Deffenbaugh

Bilie Zhao

Kwok Wai Samuel Au

Matthew Norbert Trudeau

Zoran Perkov

Samuel Au

Billie Zhao

Embodiments of the present invention provide a novel system and method for TCP-to-multicast (T2M) communications. The T2M techniques may allow a client to make a single TCP connection that then fans out into communications with multiple back-end resources. Such one-to-many communications may be invisible to the client but can achieve many practical benefits.

System and method for TCP-to-multicast (T2M) communications and related network architecture

Embodiments of the transmission latency leveling apparatuses, methods and systems provide an electronic bidding order management infrastructure, such as a 'point-of-presence,' which receives and routes electronic trading orders from different trading entities at a server via a transmission medium to create a certain amount of transmission latency before the trading orders could arrive at and be executed at electronic exchanges to reduce latency arbitrage and/or order book arbitrage that may be experienced by high frequency trading participants. A similar transmission latency may be applied to the egress transmission of market data updates issued by an electronic exchange. Other techniques for facilitating electronic trading are also disclosed.

Transmission latency leveling apparatuses, methods and systems

A powered ankle-foot prosthesis, capable of providing human-like power at terminal stance that increase amputees metabolic walking economy compared to a conventional passive-elastic prosthesis. The powered prosthesis comprises a unidirectional spring, configured in parallel with a force-controllable actuator with series elasticity. The prosthesis is controlled to deliver the high mechanical power and net positive work observed in normal human walking.

Powered ankle-foot prosthesis

In a system for executing transaction requests, a received request for a transaction in an item is delayed prior to matching that request with another request for transaction in that item by a delay based on a communication delay and/or a processing delay. The communication delay represents the time required to receive updated information about the item and the processing delay represents the time required to compute an updated item price using the received updated information.

Systems and methods for providing up-to-date information for transactions

Powered ankle-foot prothesis

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Benjamin B Aisen