Solace Systems, Inc.

Duane Pauls

Shawn P McAllister

Jonathan L Bosloy

David Pochopsky

David W Horton

Steve Buchko

Wayne Burwell

Craig Betts

Greg Bertin

Peter Ashton

Richard Chan

Ragnar Paulson

Tony Zoght

Daniel Adamski

In a message delivery system, messages are published by publishers and delivered to subscribers based on subscriptions relating to message content. Activation and de-activation notifications are supplied to applications that are bound to a queue in the message delivery system.

Message delivery system and method with queue notification

An assured message delivery system with resiliency receives messages from publishing client(s) and delivers them to subscribing clients. A primary system delivers the messages during normal operation. A secondary system mirroring the configuration of the primary system takes over responsibility for delivering the messages in the event of failure of the primary system. The secondary system is connected to the primary system over a communications link. The primary system sends copies of the messages to the secondary system over the communications link. The secondary system stores replicate messages and sends acknowledgement messages back to the primary system.

Replication in assured messaging system

A method of assigning a priority to a document in a content-routed network including a plurality of routers interconnected by links, involves matching rules against the content of a received document to assign a priority, mapping the priority onto an egress link, and mapping the egress links onto the interconnect network between content routers to achieve end-to-end quality of service.

Content routing in digital communications networks

A method of propagating multicast subscription and routing information between routers in a network, and constructing forwarding tables in the routers, allowing providers of the data (the publishers), and the multicast recipients of the data (the subscribers) to be decoupled from and have no knowledge of one another. This is done without the need to maintain (Source Network, Published-Multicast-Group) State in the routers, for a highly scalable solution in those applications where there is a possibility for a large, or infinite number of Published-Multicast-Groups, and in those applications where messages are being routed by content, so it is impossible to identify published-multicast-groups.

Subscription Management and Routing Protocol (SMRP) and Method

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Stittsville, Canada

Duane Pauls