Invention Grant
US09553819B2 Systems and methods for timing adjustment of metadata paths in a network switch under timing constraints 有权
在时序约束下网络交换机中元数据路径的定时调整的系统和方法

  • Patent Title: Systems and methods for timing adjustment of metadata paths in a network switch under timing constraints
  • Patent Title (中): 在时序约束下网络交换机中元数据路径的定时调整的系统和方法
  • Application No.: US14675246
    Application Date: 2015-03-31
  • Publication No.: US09553819B2
    Publication Date: 2017-01-24
  • Inventor: Gerald SchmidtGuy Hutchison
  • Applicant: Cavium, Inc.
  • Applicant Address: US CA San Jose
  • Assignee: CAVIUM, INC.
  • Current Assignee: CAVIUM, INC.
  • Current Assignee Address: US CA San Jose
  • Agency: Duane Morris LLP
  • Agent David T. Xue
  • Main IPC: H04W28/02
  • IPC: H04W28/02 H04L12/875
Systems and methods for timing adjustment of metadata paths in a network switch under timing constraints
Abstract:
A new approach is proposed that contemplates systems and methods to support automatic timing adjustment of a plurality of paths carrying metadata of incoming data packets in a network switch to meet their respective timing constraints. First, the paths for transmitting different pieces of metadata of incoming packets are identified in the network switch. Once the metadata paths are identified, the proposed approach identifies the timing constraints that the metadata paths need to satisfy in order for the network switch to function properly. The proposed approach then calculates the current delays of the metadata paths and determines optimal timing values of each of the metadata paths in order to meet the timing constraints. The optimal timing values of the metadata paths are then compared to the current delays of the metadata paths to identify the paths which current delay values need to be adjusted. These identified metadata paths are then adjusted accordingly to meet the timing constraints at the minimum cost in terms of additional areas taken by devices and interconnect wires need to be included in the layout of the network switch.
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