Static ring network for vehicle communications
First Claim
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1. A method comprising the steps of:
- (a) configuring a ring network with static configuration information; and
(b) exchanging operational data deterministically between a plurality of nodes on the ring network while operating the ring network in accordance with said static configuration information,wherein exchanging operational data deterministically includes guaranteeing a bandwidth, a latency, and jitter of each logical communication channel with traffic flow control,wherein at least a portion of said static configuration information is for guaranteeing quality of service (QoS) on the ring network, andwherein at least a portion of said static configuration information is stored on each of said nodes, andwherein at least one of said nodes is configured to terminate the exchange of a portion of said operational data received from a first direction if said node previously received said portion from an other direction.
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Abstract
A method for operating a ring network includes the steps of configuring the ring network with static configuration information and then deterministically exchanging operational data between a plurality of nodes on the ring network, while operating the ring network in accordance with the static configuration information. This system facilitates communications that meet the high reliability and performance requirements of vehicle communications, in particular in aircraft data networks (ADNs), while reducing the cost, weight and complexity of conventional implementations.
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Citations
19 Claims
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1. A method comprising the steps of:
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(a) configuring a ring network with static configuration information; and (b) exchanging operational data deterministically between a plurality of nodes on the ring network while operating the ring network in accordance with said static configuration information, wherein exchanging operational data deterministically includes guaranteeing a bandwidth, a latency, and jitter of each logical communication channel with traffic flow control, wherein at least a portion of said static configuration information is for guaranteeing quality of service (QoS) on the ring network, and wherein at least a portion of said static configuration information is stored on each of said nodes, and wherein at least one of said nodes is configured to terminate the exchange of a portion of said operational data received from a first direction if said node previously received said portion from an other direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system comprising:
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(a) a static deterministic ring network including a plurality of devices operationally connected in a ring topology, wherein operational data is exchanged between said devices while operating said static deterministic ring network deterministically in accordance with static configuration information, wherein operating deterministically includes guaranteeing a bandwidth, a latency, and jitter of each logical communication channel with traffic flow control, wherein at least a portion of said static configuration information is for guaranteeing quality of service (QoS) on said ring network, and wherein at least a portion of said static configuration information is stored on each of said devices, and wherein at least one of said devices is further configured to terminate the exchange of a portion of said operational data received from a first direction if said device previously received said portion from an other direction. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification