Method and apparatus for adaptive bandwidth control with user settings
First Claim
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1. A computer implemented method for controlling bandwidth in transmitting data, the computer implemented method comprising:
- receiving through a user interface, a user input defining settings at an application layer to form a set of received settings, wherein the set of received settings comprises an first value specifying a threshold level that is used to determine if the block is considered congested, a second value used to restrict an amount of change in a current round trip times relative to a previous measured round trip time, a third value indicating a maximum number of packets in a backlog router per connection before reducing a window, a fourth value indicating smoothing for round trip time measurements, a fifth value indicating a multiple of maximum round trip time a connection waits for an acknowledgment before resetting the adaptive bandwidth control process;
executing an adaptive bandwidth control process by a congestion control thread using the received settings to identify transmission rates for transmitting data packets across a network in response to changes in network condition;
transmitting the data packets by a send thread across the network using the transmission rate such that a number of data packets on a router is greater than alpha and less than beta, wherein alpha is an integer indicating the minimum number of packets in router per connection before the window is increased by one packet and beta is an integer that indicates the maximum number of packets in the backlog router per connection before the window is decreased by one packet; and
collecting round trip time data for the data packets, wherein the round trip time data is used by the adaptive bandwidth control process.
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Abstract
A computer implemented method, apparatus, and computer usable program code to receive a user input defining settings at an application layer to form a set of received settings. An adaptive bandwidth control process is executed using the received settings to identify a transmission rate for transmitting data packets across a network. The data packets are transmitted across the network using the identified transmission rate.
10 Citations
1 Claim
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1. A computer implemented method for controlling bandwidth in transmitting data, the computer implemented method comprising:
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receiving through a user interface, a user input defining settings at an application layer to form a set of received settings, wherein the set of received settings comprises an first value specifying a threshold level that is used to determine if the block is considered congested, a second value used to restrict an amount of change in a current round trip times relative to a previous measured round trip time, a third value indicating a maximum number of packets in a backlog router per connection before reducing a window, a fourth value indicating smoothing for round trip time measurements, a fifth value indicating a multiple of maximum round trip time a connection waits for an acknowledgment before resetting the adaptive bandwidth control process; executing an adaptive bandwidth control process by a congestion control thread using the received settings to identify transmission rates for transmitting data packets across a network in response to changes in network condition; transmitting the data packets by a send thread across the network using the transmission rate such that a number of data packets on a router is greater than alpha and less than beta, wherein alpha is an integer indicating the minimum number of packets in router per connection before the window is increased by one packet and beta is an integer that indicates the maximum number of packets in the backlog router per connection before the window is decreased by one packet; and collecting round trip time data for the data packets, wherein the round trip time data is used by the adaptive bandwidth control process.
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Specification
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Current AssigneeHulu LLC (The Walt Disney Company)
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Original AssigneeInternational Business Machines Corporation
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InventorsLazzaro, Christopher Victor, Elliot, Steven, Tran, Thanh K., Kudamik, Gregory James
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Primary Examiner(s)Yao; Kwang B.
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Assistant Examiner(s)Tran; Tung Q
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Application NumberUS11/256,261Publication NumberTime in Patent Office1,173 DaysField of Search370229-240, 370/395.21, 370/395.41, 370/468, 370/477US Class Current370/229CPC Class CodesH04L 47/10 Flow control; Congestion co...H04L 47/11 Identifying congestionH04L 47/22 Traffic shapingH04L 47/25 with rate being modified by...H04L 47/283 in response to processing d...
