International Business Machines Corporation

Ramanujam Ravisankar

Kulvir Singh Bhogal

Paul D Lewis

Cornell G Wright, Jr

Foluso Olaiya Okunseinde

Kenneth Wayne Borgendale

John J Wang

A method includes issuing a request, from an application of a contributing client device to a stream administration server, to contribute messages from the application to a feed adapter within a data communication environment via a message stream which bypasses the stream administration server. The feed adapter is coupled to a feed source via a feed adapter input stream and to at least one subscribing device via a feed adapter output stream. The feed source is separate from the contributing client device. The feed adapter input stream is separate from the message stream. The method includes receiving, in response to the request and an authentication of the contributing client device. A set of constraints on messages is to be transmitted from the contributing client device to the feed adapter.

Computer data communications in a high speed, low latency data communications environment

Methods, systems, and products for subscribing for application messages in a multicast messaging environment as disclosed that include: requesting, by a message receiving device, a stream administration server to initialize a message subscription for application messages from a message sending device; receiving, in the message receiving device from the stream administration server, a data communications endpoint of a multicast message stream from the message sending device; beginning to listen, by the message receiving device, for the application messages at the data communications endpoint; and notifying, by the message receiving device after beginning to listen for the application messages, the message sending device to publish the application messages at the data communications endpoint.

Subscribing for application messages in a multicast messaging environment

Methods, apparatus, and products are disclosed for computer data communications in a high speed, low latency data communications environment that include: brokering, by a stream administration server, establishment of a message stream from a contributing client device to a feed adapter, including authenticating the contributing client device, authorizing the contributing client device to send messages to the feed adapter on the message stream, and establishing in messaging middleware of the contributing client device a set of constraints on messages to be transmitted from the contributing client device to the feed adapter; receiving, in the messaging middleware of the contributing client device from an application of the contributing client device, a message for transmission to the feed adapter on the message stream; determining, by the messaging middleware, whether contents of the message satisfy the constraints; and administering the message, by the messaging middleware, in dependence upon whether the message satisfies the constraints.

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Austin, TX, United States of America

Ramanujam Ravisankar