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A technology of data transmission and data transmission system, applied in the field of batch data transmission protocol, which can solve the problems of providing bandwidth sharing control, poor performance, increasing variable throughput, etc.
Active Publication Date: 2008-02-27
IBM CORP
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However, most user data transmissions span the network from edge to edge, and suffer not only from high round-trip latencies due to geographic distance, but also from the packet loss cycles and variable latency characteristics of typically "edge" networks
On typical edge networks, current schemes cannot achieve full bandwidth utilization, suffer from variable throughput that increases with congestion, and cannot provide sufficient guarantees for time-critical business transactions and tr
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[0024] In the following detailed description, reference is made to the accompanying drawings which form a part hereof, and which are shown by way of illustration of specific embodiments in which the inventive subject matter may be practiced. These embodiments are described in sufficient detail to enable those of ordinary skill in the art to practice them, and it is to be understood that other embodiments may be utilized and structural, logical, and electrical modifications may be made without departing from the scope of the inventive subject matter. Change. Accordingly, the following description should not be taken in a limiting sense, and the scope of the inventive subject matter is defined by the appended claims and their legal equivalents.
[0025] It should be understood that the systems provided herein can be implemented using hardware, software, firmware, and combinations of hardware and / or software and / or firmware in different embodiments. It should be understood that ...
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Abstract
This disclosure relates to network data communication. Some embodiments include initiating a network connection between an original source and an ultimate destination, transmitting a block of data from the original source to the ultimate destination on the network, requesting retransmission of lost blocks from the ultimate destination to the source and retransmitting the lost blocks from source to the ultimate destination. These embodiments further include measuring round-trip time of a retransmit request, the round-trip time measured from a time of transmission of a retransmit request from the ultimate destination to a time of reception at the ultimate destination after retransmission from the original source and setting the round-trip time as a minimum retransmission request time for the network connection, wherein the round-trip time includes latencies of the network connection and in data processes at the original source and at the ultimate destination.
Description
[0001] related application [0002] Pursuant to 35 U.S.C. Chapter 119(e), this application claims U.S. Provisional Application No. 60 / 638,806, filed December 24, 2004, U.S. Provisional Application No. 60 / 649,198, filed February 1, 2005 Application, priority of U.S. Provisional Application No. 60 / 649,197, filed February 1, 2005. These applications are hereby incorporated by reference in their entirety. [0003] This application is related to U.S. Provisional Application No. 60 / 638,806, filed December 24, 2004, U.S. Provisional Application No. 60 / 649,198, filed February 1, 2005, 60 / US Provisional Application No. 649,197. The entire specifications of these applications are incorporated herein by reference. technical field [0004] The subject matter of the present invention relates to network data communications and, more particularly, to bulk data transfer protocols. Background technique [0005] With the recent increase in network bandwidth, user interconnection through ...
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