Granted Patent B2

US 9,008,105 · App. 13/853,356 · Granted Apr 14, 2015

Abstract

Claims (62)

1. A device, comprising:

one or more inputs on a line side of the device, the one or more inputs configured to receive four asynchronous 10 Gbit/s Ethernet channels;

a marking module configured to insert virtual lane markers into four data flows at defined intervals to produce four marked data flows, the four data flows based on the received four asynchronous 10 Gbit/s Ethernet channels;

a 4:2 physical media attachment module configured to generate two 20 Gbit/s data flows based on the four marked data flows; and

two outputs on a system side of the device, the two outputs configured to transmit the two 20 Gbit/s data flows onto optical media.

2. The device of claim 1 , wherein the four 10 Gbit/s Ethernet channels are received as 10GBASE-T signals.

3. The device of claim 1 , wherein the four 10 Gbit/s Ethernet channels are received as 10GBASE-KR signals.

4. The device of claim 1 , wherein the four 10 Gbit/s Ethernet channels are received as part of a 40 Gbit/s Attachment Unit Interface (XLAUI).

5. The device of claim 1 , wherein the four 10 Gbit/s Ethernet channels are received as part of a 40 Gbit/s Parallel Physical Interface (XLPPI).

6. The device of claim 1 , further comprising a block synchronization and descrambling module, a FIFO module for bringing the four data flows into a common clock domain, and a scrambling module.

7. The device of claim 1 , wherein the virtual lane markers are defined by the following:

Lane

Encoding

Number

(M 0 , M 1 , M 2 , BIP 3 , M 4 , M 5 , M 6 , BIP 7 )

0.0

0x80, 0xB4, 0xAF, BIP 3 , 0x7F, 0x4B, 0x50, BIP 7

1.0

0x11, 0x2A, 0xD8, BIP 3 , 0xEE, 0xD5, 0x27, BIP 7

2.0

0x7C, 0x3F, 0x1C, BIP 3 , 0x83, 0xC0, 0xE3, BIP 7

3.0

0xD1, 0x87, 0x25, BIP 3 , 0x2E, 0x78, 0xDA, BIP 7

8. The device of claim 1 , further comprising:

one or more inputs on the system side of the device, the one or more input configured to receive two 20 Gbit/s data flows from the optical media;

a 2:4 physical media attachment module configured to generate four marked data flows based on the two 20 Gbit/s data flows;

an alignment module configured to align the four marked data flows with physical lanes;

a marking removal module configured to remove virtual lane markers inserted into the four marked data flows at defined intervals; and

one or more outputs on the line side of the device, the one or more outputs configured to transmit four 10 Gbit/s Ethernet channels.

9. A device, comprising:

one or more inputs on a line side of the device, the one or more inputs configured to receive four asynchronous 10 Gbit/s Ethernet channels;

a marking module configured to insert virtual lane markers into four data flows at defined intervals to produce four marked data flows, the four data flows based on the received four asynchronous 10 Gbit/s Ethernet channels;

a 4:2 physical media attachment module configured to generate two 20 Gbit/s data flows based on the four marked data flows; and

two outputs on a system side of the device, the two outputs configured to transmit the two 20 Gbit/s data flows onto copper media.

10. A method, comprising:

receiving four 10 Gbit/s Ethernet channels via 10GBASE-T or 10GBASE-KR signals;

inserting virtual lane markers into four data flows at defined intervals to produce four marked data flows, the four data flows based on the received four 10 Gbit/s Ethernet channels;

generating two 20 Gbit/s data flows based on the four marked data flows; and

transmitting the two 20 Gbit/s data flows onto physical media.

11. The method of claim 10 , wherein the physical media is optical media.

12. The method of claim 10 , wherein the physical media is copper media.

13. A method, comprising:

receiving four 10 Gbit/s Ethernet channels via a 40 Gbit/s Attachment Unit Interface (XLAUI) or a 40 Gbit/s Parallel Physical Interface (XLPPI);

inserting virtual lane markers into four data flows at defined intervals to produce four marked data flows, the four data flows based on the received four 10 Gbit/s Ethernet channels;

generating two 20 Gbit/s data flows based on the four marked data flows; and

transmitting the two 20 Gbit/s data flows onto physical media.

14. The method of claim 13 , wherein the physical media is optical media.

15. The method of claim 13 , wherein the physical media is copper media.

16. A network device, comprising:

one or more inputs on a line side of the device, the one or more inputs configured to receive four 10 Gbit/s Ethernet channels via 10GBASE-T signals or 10GBASE-KR signals;

a marking module configured to insert virtual lane markers into four data flows at defined intervals to produce four marked data flows, the four data flows based on the received four 10 Gbit/s Ethernet channels;

a 4:1 physical media attachment module configured to generate a 40 Gbit/s data flow based on the four marked data flows; and

an output on a system side of the device, the output configured to transmit the 40 Gbit/s data flow onto physical media.

17. The device of claim 16 , wherein the physical media is optical media.

18. The device of claim 16 , wherein the physical media is copper media.

19. A device, comprising:

one or more inputs on a line side of the device, the one or more inputs configured to receive four 10 Gbit/s Ethernet channels via a 40 Gbit/s Attachment Unit Interface (XLAUI) or a 40 Gbit/s Parallel Physical Interface (XLPPI);

a marking module configured to insert virtual lane markers into four data flows at defined intervals to produce four marked data flows, the four data flows based on the received four 10 Gbit/s Ethernet channels;

a 4:1 physical media attachment module configured to generate a 40 Gbit/s data flow based on the four marked data flows; and

an output on a system side of the device, the output configured to transmit the 40 Gbit/s data flow onto physical media.

20. The device of claim 19 , wherein the physical media is optical media.

21. The device of claim 19 , wherein the physical media is copper media.

Assignments (7)