17525026. METHOD AND SYSTEMS FOR OPTICAL NETWORK DIMENSIONING simplified abstract (HUAWEI TECHNOLOGIES CO., LTD.)

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METHOD AND SYSTEMS FOR OPTICAL NETWORK DIMENSIONING

Organization Name

HUAWEI TECHNOLOGIES CO., LTD.

Inventor(s)

Hamid Mehrvar of Ottawa (CA)

METHOD AND SYSTEMS FOR OPTICAL NETWORK DIMENSIONING - A simplified explanation of the abstract

This abstract first appeared for US patent application 17525026 titled 'METHOD AND SYSTEMS FOR OPTICAL NETWORK DIMENSIONING

Simplified Explanation

The abstract describes a method for selecting the number of fibers for ROADM-equipped nodes in an optical network. The method involves determining the usage frequencies of links in the network and partitioning the usage frequencies into intervals. Fibers are then assigned to each interval, which determines the degree of ROADMs at the nodes. Simulations can be used to evaluate the network's performance in terms of a blocking rate. The number of intervals, their ranges, and the number of fibers associated with each interval can be adjusted until an improved network performance is achieved.

  • The method involves determining the usage frequencies of links in an optical network.
  • The usage frequencies are partitioned into intervals.
  • Fibers are assigned to each interval, determining the degree of ROADMs at the nodes.
  • Simulations are used to evaluate the network's performance in terms of a blocking rate.
  • The number of intervals, their ranges, and the number of fibers associated with each interval can be adjusted to improve network performance.

Potential Applications

This technology can be applied in various optical network systems, including telecommunications networks, data centers, and internet service providers. It can help optimize the allocation of fibers in the network, leading to improved performance and reduced signal blocking.

Problems Solved

1. Inefficient allocation of fibers in optical networks. 2. High signal blocking rate due to inadequate fiber allocation. 3. Lack of a systematic method to determine the number of fibers for ROADM-equipped nodes.

Benefits

1. Improved network performance by optimizing fiber allocation. 2. Reduced signal blocking rate, leading to better overall network reliability. 3. Efficient utilization of resources by assigning fibers based on usage frequencies. 4. Flexibility to adjust the number of intervals and fibers to achieve desired network performance.


Original Abstract Submitted

A method to select a number of fibers for ROADM-equipped nodes of an optical network by which a controller is operative to determine which links are utilized as well as their usage frequencies and then partition a scale of usage frequencies into a number of intervals. By assigning a number of fibers to each one of the intervals, a number of fibers is assigned to each link, according to their usage frequencies, setting the degree for ROADMs at the nodes. Simulations can evaluate the network's performance in terms of a blocking rate representing an overall signal blocking rate by the ROADMs at network nodes. The number of intervals, their ranges, and the number of fibers associated with each interval can be iterated until an improved or satisfactory network performance is achieved.