Packet coding based network communication
First Claim
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1. A method for data communication between a first node and a second node over a data path coupling the first node and the second node, the method comprising:
- transmitting messages from the first node to the second node over the data path;
receiving messages at the first node from the second node, including;
receiving messages indicative of successful and unsuccessful delivery of the messages transmitted from the first node to the second node;
maintaining a transmission limit according to the received messages indicative of successful and unsuccessful delivery of messages, the maintaining including,decreasing the transmission limit when the received messages indicate an unsuccessful delivery of a message transmitted from the first node to the second node, andincreasing the transmission limit according to an increase function while the received messages indicate that no messages were unsuccessfully delivered to the second node,wherein the increase function includes a first parameter for controlling a shape of a first portion of the increase function and a second parameter for controlling a shape of a second portion of the increase function,wherein the first and second parameters are positive tunable parameters that are selected to control the shapes of the first and second portions of the increase function, respectively, andwherein the first portion of the increase function has a convex shape and the second portion of the increase function has a concave shape; and
inhibiting transmission of messages from the first node to the second node, including limiting transmission of messages according to the maintained transmission limit.
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Abstract
A method for data communication between a first node and a second node over a data path coupling the first node and the second node includes maintaining a transmission limit according to an increase function, wherein the increase function has a first portion and a second portion, the first portion being controllable separately from the second portion using a first parameter and the second portion being controllable separately from the first portion using a second parameter.
92 Citations
20 Claims
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1. A method for data communication between a first node and a second node over a data path coupling the first node and the second node, the method comprising:
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transmitting messages from the first node to the second node over the data path; receiving messages at the first node from the second node, including; receiving messages indicative of successful and unsuccessful delivery of the messages transmitted from the first node to the second node; maintaining a transmission limit according to the received messages indicative of successful and unsuccessful delivery of messages, the maintaining including, decreasing the transmission limit when the received messages indicate an unsuccessful delivery of a message transmitted from the first node to the second node, and increasing the transmission limit according to an increase function while the received messages indicate that no messages were unsuccessfully delivered to the second node, wherein the increase function includes a first parameter for controlling a shape of a first portion of the increase function and a second parameter for controlling a shape of a second portion of the increase function, wherein the first and second parameters are positive tunable parameters that are selected to control the shapes of the first and second portions of the increase function, respectively, and wherein the first portion of the increase function has a convex shape and the second portion of the increase function has a concave shape; and inhibiting transmission of messages from the first node to the second node, including limiting transmission of messages according to the maintained transmission limit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A communication apparatus having an interface for passing messages to and from a second device over a communication path coupling the communication apparatus to the second device, the communication apparatus further comprising a communication controller configured to:
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transmit messages from the communication apparatus to the second device over the data path; receive messages at the communication apparatus from the second device, including; receive messages indicative of successful and unsuccessful delivery of the messages transmitted from the communication apparatus to the second device; maintain a transmission limit according to the received messages indicative of successful and unsuccessful delivery of messages, the maintaining including; decrease the transmission limit when the received messages indicate an unsuccessful delivery of a message transmitted from the communication apparatus to the second device, and increase the transmission limit according to an increase function while the received messages indicate that no messages were unsuccessfully delivered to the second device, wherein the increase function includes a first parameter for controlling a shape of a first portion of the increase function and a second parameter for controlling a shape of a second portion of the increase function, wherein the first and second parameters are positive tunable parameters that are selected to control the shapes of the first and second portions of the increase function, respectively, and wherein the first portion of the increase function has a convex shape and the second portion of the increase function has a concave shape; and inhibit transmission of messages from the communication apparatus to the second device, including limiting transmission of messages according to the maintained transmission limit. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification