# US 10,455,300 B2 · Management of flexible grid and supercarriers in optical networks using a data model

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- Number: US 10,455,300 B2
- Document ID: US10455300B2
- Status: Granted
- Kind: B2
- Application number: 16/205,528
- Filed: 2018-11-30
- Published: 2019-06-06
- Granted: 2019-10-22
- Earliest claimed: 2017-04-07
- Assignees: Ciena Corporation
- Applicants: Ciena Corporation
- Inventors: Gerard L. Swinkels; Anurag Prakash; David W. Boertjes; David Miedema; Edward Chen; Trevor J. Ibach; Dominic Richens
- Web page: https://patentgrep.com/patent/US10455300B2

## CPC

- H04Q 11/0062: {Network aspects}
- H04J 14/02122: {Colourless, directionless or contentionless [CDC] arrangements}
- H04J 14/0213: {Groups of channels or wave bands arrangements}
- H04J 14/0257: {Wavelength assignment algorithms}
- H04Q 11/0005: {Switch and router aspects}
- H04Q 2011/0075: {Wavelength grouping or hierarchical aspects}
- H04Q 2011/0086: {Network resource allocation, dimensioning or optimisation}
- H04Q: SELECTING (switches, relays, selectors H01H; wireless communication networks H04W)
- H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S)

## Abstract

A method of managing an optical service in a node utilizing a flexible grid for optical spectrum includes utilizing a Media Channel (MC) model to manage a portion of optical spectrum on an optical line, the MC model includes first frequency information which define the portion of optical spectrum; utilizing a Network Media Channel (NMC) model to manage the optical service and to model a path of the optical service in the MC model, the NMC model has frequency information and port connection information for the optical service; and programming hardware in the node based on the MC model and the NMC model to implement the optical service.

## Claims

### Claim 1

A method of managing an optical service in a node utilizing a flexible grid for optical spectrum, the method comprising:
utilizing a Media Channel (MC) model to manage a portion of optical spectrum on an optical line, the MC model includes first frequency information which define the portion of optical spectrum;
utilizing a Network Media Channel (NMC) model to manage the optical service and to model a path of the optical service in the MC model, the NMC model includes second frequency information and port connection information for the optical service; and
programming hardware in the node based on the MC model and the NMC model to implement the optical service.

### Claim 2 (depends on 1)

The method of claim 1, wherein the MC model has a plurality of NMC routed therein each with its own NMC model.

### Claim 3 (depends on 1)

The method of claim 1, wherein the MC model is a Trail Termination Point (TTP).

### Claim 4 (depends on 1)

The method of claim 1, wherein the NMC model includes two models with a first model to model a port for the optical service and a second model to model a path of the optical service in the MC model.

### Claim 5 (depends on 4)

The method of claim 4, wherein the first model is a Connection Termination Point (CTP) and the second model is a Cross Connection (CRS).

### Claim 6 (depends on 1)

The method of claim 1, wherein the optical line is an Optical Multiplex Section and there are one or more MC models for the optical line.

### Claim 7 (depends on 1)

The method of claim 1, wherein the MC model has one or more NMC models related thereto for associated optical services in an MC associated with the MC model.

### Claim 8 (depends on 1)

The method of claim 1, further comprising utilizing a connection function model to manage cross-connection between MC models and/or NMC models.

### Claim 9

A node configured to manage an optical service in an optical network utilizing a flexible grid, the node comprising:
one or more optical ports connected to physical layer components; and
a controller configured to
utilize a Media Channel (MC) model to manage a portion of optical spectrum on an optical line, the MC model includes first frequency information which define the portion of optical spectrum,
utilize a Network Media Channel (NMC) model to manage the optical service and to model a path of the optical service in the MC model, the NMC model includes second frequency information and port connection information for the optical service, and
program the one or more optical ports and/or the physical layer components based on the MC model and the NMC model to implement the optical service.

### Claim 10 (depends on 9)

The node of claim 9, wherein the MC model has a plurality of NMC routed therein each with its own NMC model.

### Claim 11 (depends on 9)

The node of claim 9, wherein the MC model is a Trail Termination Point (TTP).

### Claim 12 (depends on 9)

The node of claim 9, wherein the NMC model includes two models with a first model to model a port for the optical service and a second model to model a path of the optical service in the MC model.

### Claim 13 (depends on 12)

The node of claim 12, wherein the first model is a Connection Termination Point (CTP) and the second model is a Cross Connection (CRS).

### Claim 14 (depends on 9)

The node of claim 9, wherein the optical line is an Optical Multiplex Section and there are one or more MC models for the optical line.

### Claim 15 (depends on 9)

The node of claim 9, wherein the MC model has one or more NMC models related thereto for associated optical services in an MC associated with the MC model.

### Claim 16 (depends on 9)

The node of claim 9, wherein the controller is further configured to utilize a connection function model to manage cross-connection between MC models and/or NMC models.

### Claim 17

A non-transitory computer-readable storage medium comprising instructions that, when executed, cause a processor to perform the steps of:
utilizing a Media Channel (MC) model to manage a portion of optical spectrum on an optical line, the MC model includes first frequency information which define the portion of optical spectrum;
utilizing a Network Media Channel (NMC) model to manage the optical service and to model a path of the optical service in the MC model, the NMC model includes second frequency information and port connection information for the optical service; and
programming hardware in the node based on the MC model and the NMC model to implement the optical service.

### Claim 18 (depends on 17)

The non-transitory computer-readable storage medium of claim 17, wherein the MC model has a plurality of NMC routed therein each with its own NMC model.

### Claim 19 (depends on 17)

The non-transitory computer-readable storage medium of claim 17, wherein the MC model is a Trail Termination Point (TTP).

### Claim 20 (depends on 17)

The non-transitory computer-readable storage medium of claim 17, wherein the NMC model includes two models with a first model to model a port for the optical service and a second model to model a path of the optical service in the MC model.