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Head of queue cache for communication interfaces

A high-speed cache and queue head technology, applied in the field of data communication systems that share hardware resources, can solve problems such as speeding up data transmission

Active Publication Date: 2011-10-05
HEWLETT-PACKARD ENTERPRISE DEV LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the signaling function associated with the doorbell interface is independent of the data queue and therefore cannot help speed up data transfers either

Method used

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  • Head of queue cache for communication interfaces
  • Head of queue cache for communication interfaces
  • Head of queue cache for communication interfaces

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Embodiment Construction

[0016] The following description of exemplary embodiments of the invention refers to the accompanying drawings. The same reference numbers in different drawings identify the same or similar elements. The following detailed description does not limit the invention. Rather, the scope of the invention is defined by the appended claims. In addition to the other drawings, also referenced below are the figure 1 and figure 2 and the elements described above.

[0017] According to an exemplary embodiment of the present invention, a head-of-queue cache structure provides an efficient communication interface, such as in a general-purpose processor (e.g., figure 1 between the communication software running on the CPU 12) in the NIC 18 and a dedicated communication processor associated with the NIC 18, or more generally between a data producer and a data consumer. Among other devices, the head-of-queue cache structure according to exemplary embodiments of the present invention suppo...

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Abstract

Methods and systems for caching data from a head end of a queue are described. The cached data can then be selectively forwarded from the data producer to the data consumer upon request.

Description

technical field [0001] The present invention relates generally to data communication systems and methods, and more particularly to data communication systems and methods in which a large number of virtual network interfaces can efficiently share hardware resources in, for example, an Ethernet-based scalable tightly coupled system. Background technique [0002] The widespread use of Ethernet continues to spur increased performance and reduced cost of components commonly used in business applications. Most business applications today suffer from the relatively high latency associated with Ethernet-based systems, but emerging business applications, such as multi-threaded databases and file systems, may require reduced latency. Some dedicated network solutions offer reduced latency, but are more expensive than Ethernet-based scalable clusters. [0003] One area where latency performance can be improved is network interface controllers (NICs). A NIC is a hardware device that su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/54H04L29/06
CPCG06F12/0831G06F12/0862G06F12/0893
Inventor M·S·施兰斯克E·厄尔特利J·-F·科拉尔
Owner HEWLETT-PACKARD ENTERPRISE DEV LP