Apparatus for and method of communicating among devices interconnected on a bus
First Claim
1. An information communication system comprising:
- an information transmission bus;
a signalling channel;
a plurality of nodes communicatively linked by said information transmission bus and said signalling channel, communications among selected ones of said nodes on said information transfer bus being set up by said nodes in response to signals transmitted on said signalling channel; and
a control node linked to said signalling channel to monitor communication set up requests on said signalling channel and to allocate information transmission bus resources to said nodes in response thereto,wherein a device connected to said control node comprises a memory for storing information transmission bus resource allocations and a processor accessing said memory to allocate said resources for communication between a pair of said nodes, andwherein said processor detects said communication requests on said signalling channel and in response thereto calculates statistics for determining said information transmission bus resources required to satisfy said requests.
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Abstract
An information communication system has a plurality of nodes connected by both an information transmission bus and a signalling channel. The information transmission bus is used to carry messages between devices attached to the nodes of the network. The signing channel is used to signal nodes that a message transmission is about to occur. Based on the devices connected to the nodes, the appropriate communication protocol can be set up and resources allocated on the information transmission bus to efficiently transfer information. The invention allows a device acting as a message source to communicate with another device at a first node using a first protocol and to communicate with a different device at a second node using a second protocol. The protocols can be stored in the devices attached to the nodes or a control node can be used.
118 Citations
10 Claims
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1. An information communication system comprising:
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an information transmission bus; a signalling channel; a plurality of nodes communicatively linked by said information transmission bus and said signalling channel, communications among selected ones of said nodes on said information transfer bus being set up by said nodes in response to signals transmitted on said signalling channel; and a control node linked to said signalling channel to monitor communication set up requests on said signalling channel and to allocate information transmission bus resources to said nodes in response thereto, wherein a device connected to said control node comprises a memory for storing information transmission bus resource allocations and a processor accessing said memory to allocate said resources for communication between a pair of said nodes, and wherein said processor detects said communication requests on said signalling channel and in response thereto calculates statistics for determining said information transmission bus resources required to satisfy said requests. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification