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System and method for improving multicast performance in banked shared memory architectures

A technology of shared storage and memory, applied in the field of network switches

Inactive Publication Date: 2013-04-10
AVAGO TECH WIRELESS IP SINGAPORE PTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, when all packets of a given multicast frame are located in the same memory, multiple reads to the same memory at the same time frame or before and after the same event frame can lead to a high degree of temporal locality in that memory

Method used

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  • System and method for improving multicast performance in banked shared memory architectures
  • System and method for improving multicast performance in banked shared memory architectures
  • System and method for improving multicast performance in banked shared memory architectures

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Embodiment Construction

[0023] Various embodiments of the invention are discussed in detail below. While specific implementations are discussed, it should be understood that this is done for illustration purposes only. A person skilled in the relevant art will recognize that other components and configurations may be used without departing from the spirit and scope of the invention.

[0024] Multicast traffic has become increasingly important as the consumption of multicast traffic has increased at an extremely rapid rate. Multicast provides an efficient mechanism for conserving network bandwidth while efficiently transmitting a single data stream to multiple destinations. In order to support the continuous expansion of multimedia applications, the underlying infrastructure must improve its performance accordingly to meet QoS guarantees. Here the underlying infrastructure must meet performance requirements such as low latency, minimal jitter, and fairness.

[0025] As mentioned above, one solution...

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Abstract

A system and method for improving multicast performance in banked shared memory architectures. Temporal localities created by multicast packets in a shared memory bank are addressed through caching. In one embodiment, multicast packets are stored in a cache memory (110) that is associated with a bank of shared memory (114). In another embodiment, read requests for multicast packets are stored in a read request cache, wherein additional read requests are accumulated prior to an actual read event.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to provisional patent applications 61 / 541,612, filed September 30, 2011, and 13 / 366,292, filed February 4, 2012, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates generally to network switches and, more particularly, to systems and methods for improving multicast performance for banked shared memory architectures. Background technique [0004] The demands on data communications infrastructure continue to grow. Various factors drive these increasing demands, including the increasing bandwidth requirements of Internet multimedia applications (eg, news distribution, financial data, software, video, audio and multi-person conferencing, etc.). To accommodate the ever-increasing bandwidth demands, communication link speeds have also evolved. For example, 10 Gigabit Ethernet (GbE) ports are commonly used for I / O on today...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/861H04L12/933H04L12/18
CPCH04L49/103H04L49/201H04L49/351
Inventor 布拉德·马修斯
Owner AVAGO TECH WIRELESS IP SINGAPORE PTE
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