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1. (WO2018111612) CORRECTION D'ERREUR SANS VOIE DE RETOUR AMÉLIORÉE PAR FLEXIBLE ETHERNET
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CLAIMS

What is claimed is:

1. A Flexible Ethernet (FlexE) Forward Error Correction (FEC) method, the method comprising:

mapping a first set of calendar slots comprising Ethernet payload clients to a FlexE Time Division Multiplexing (TDM) structure comprising a plurality of calendar slots; and

mapping a second set of calendar slots comprising FEC data to the FlexE TDM structure, wherein the first set of calendar slots and the second set of calendar slots fill the FlexE TDM structure.

2. The FlexE FEC method of claim 1, wherein an overall Physical (PHY) rate of the FlexE TDM structure is kept constant with a reduction in bandwidth for the Ethernet payload clients based on the second set.

3. The FlexE FEC method of claim 1, wherein an overall Physical (PHY) rate of the FlexE TDM structure is increased based on the second set of calendar slots, to support a set rate for the Ethernet payload clients with a reduced number of calendar slots.

4. The FlexE FEC method of claim 1, wherein the FlexE TDM structure comprises 20 calendar slots with the first set of calendar slots comprising N slots and the second set of calendar slots comprising M slots, N and M are integers and N > M.

5. The FlexE FEC method of claim 1, wherein the mapping steps are performed in a corresponding switch or framer/mapper, independent of a FlexE client module which transmits and receives the FlexE TDM structure.

6. The FlexE FEC method of claim 1, wherein the FEC data is utilized iteratively with Physical Coding Sublayer (PCS) FEC at another layer.

7. The FlexE FEC method of claim 1, wherein each sequence of the plurality of calendar slots comprises the first set of calendar slots and the second set of calendar slots.

8. The FlexE FEC method of claim 1, wherein one sequence of the plurality of calendar slots comprises only the first set of calendar slots and a subsequent sequence of the plurality of calendar slots comprises both the first set of calendar slots and the second set of calendar slots.

9. The FlexE FEC method of claim 1, wherein the second set of calendar slots comprising the FEC data is communicated via a calendar and dynamically adjusted based thereon.

10. An apparatus for Flexible Ethernet (FlexE) Forward Error Correction (FEC), the apparatus comprising:

circuitry adapted to map a first set of calendar slots comprising Ethernet payload clients to a FlexE Time Division Multiplexing (TDM) structure comprising a plurality of calendar slots; and circuitry adapted to map a second set of calendar slots comprising FEC data to the FlexE TDM structure, wherein the first set of calendar slots and the second set of calendar slots fill the FlexE TDM structure.

11. The apparatus of claim 10, wherein an overall Physical (PHY) rate of the FlexE TDM structure is kept constant with a reduction in bandwidth for the Ethernet payload clients based on the second set.

12. The apparatus of claim 10, wherein an overall Physical (PHY) rate of the FlexE TDM structure is increased based on the second set of calendar slots to support a set rate for the Ethernet payload clients with a reduced number of calendar slots.

13. The apparatus of claim 10, wherein the FlexE TDM structure comprises 20 calendar slots with the first set of calendar slots comprising N slots and the second set of calendar slots comprising M slots, N and M are integers and N > M.

14. The apparatus of claim 10, wherein the apparatus is disposed in a corresponding switch or framer/mapper, independent of a FlexE client module which transmits and receives the FlexE TDM structure.

15. The apparatus of claim 10, wherein the FEC data is utilized iteratively with Physical Coding Sublayer (PCS) FEC at another layer.

16. The apparatus of claim 10, wherein each sequence of the plurality of calendar slots comprises the first set of calendar slots and the second set of calendar slots.

17. The apparatus of claim 10, wherein one sequence of the plurality of calendar slots comprises only the first set of calendar slots and a subsequent sequence of the plurality of calendar slots comprises both the first set of calendar slots and the second set of calendar slots.

18. A device comprising a switch or framer/mapper using Flexible Ethernet (FlexE), the device comprising:

an interface to a FlexE client module adapted to transmit and receive a FlexE Time Division Multiplexing (TDM) structure; and

mapping circuitry communicatively coupled to the interface and adapted to

map a first set of calendar slots comprising Ethernet payload clients to a FlexE Time Division Multiplexing (TDM) structure comprising a plurality of calendar slots, and map a second set of calendar slots comprising Forward Error Correction (FEC) data to the FlexE TDM structure, wherein the first set of calendar slots and the second set of calendar slots fill the FlexE TDM structure.

19. The device of claim 18, wherein an overall Physical (PHY) rate of the FlexE TDM structure is kept constant with a reduction in bandwidth for the Ethernet payload clients based on the second set.

20. The device of claim 18, wherein an overall Physical (PHY) rate of the FlexE TDM structure is increased based on the second set of calendar slots to support a set rate for the Ethernet payload clients with a reduced number of calendar slots.