Intercontinental Exchange Holdings, Inc.

Real-time Geometry Corporation

Viewpoint Corporation

Nyse Arca LLC

Enliven Marketing Technologies Corporation

Dg Fastchannel, Inc

Algo Engineering LLC

Magic Works LLC

Alexei Lebedev

Vladimir G Parizhsky

Alexander A Migdal

Robert Cornish

Michael Petrov

Vadim Abadjev

Veronika Shelyekhova

Leonid Polonskiy

Blaise Aguera-Arcas

Victor Paskhaver

Andrei Afanassenkov

Alexander Zhilyaev

Vladimir Bernstein

Systems and methods for regulating electronic messages transmissions. A message delay system is disposed between one or more first entities and a second entity within at least one network. Electronic messages are received from among at least one the first entities and the second entity at one or more message arrival times. A message delay component applies a delay to each received electronic message, based on a predefined delay time common to all of the first entities and a first entity delay offset associated with a first entity that is associated with the received message. The first entity delay offset is based on a geographical origin of the first entity relative to a geographical origin of the second entity. Each delayed message is transmitted to a designated recipient via the network, where the designated recipient is among the second entity and the first entities.

System and method for regulating electronic message transmissions

Methods and apparatus for generating and using multicast transaction messages in an exchange system are described. A unicast transaction message is received, e.g., by a gateway device which interacts with devices outside the exchange system. The gateway device generates a multicast transaction message from the unicast transaction message and sends transmits it to other devices in the exchange system. A multicast transaction message is received by the gateway device. The gateway generates a unicast transaction response message and sends it to the trader system which sent the transaction message to which the response corresponds. Traders are permitted to include information in a transaction message field which is not interpreted or used by the exchange to control message processing. The information in the uninterpreted field is echoed back to the trader system and allows the trader to correlate the transaction messages to one or more clients or to perform other operations.

Methods and apparatus for using multicast messaging in a system for implementing transactions

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New York, NY, United States of America

Alexei Lebedev