Data center with free-space optical communications

• US 8,588,618 B2
• Filed: 07/13/2010
• Issued: 11/19/2013
• Est. Priority Date: 12/21/2009
• Status: Active Grant

• Current Assignee: The Invention Science Fund I, L.L.C. (Intellectual Ventures LLC)
• Original Assignee: The Invention Science Fund I, L.L.C. (Intellectual Ventures LLC)
• Inventors: Davidson, Howard Lee, Hamilton, James R., Hyde, Roderick A., Josefsberg, Arne, Jung, Edward K. Y., Kare, Jordin T., Lord, Robert W., Lustig, Kenneth, Mangione-Smith, William Henry, Manos, Michael, Mundie, Craig J., Myhrvold, Nathan P., Rashid, Richard F., Smith, Burton, Tegreene, Clarence T., Welland, Robert V., Whitmer, Charles, Wood, Lowell L. Jr.
• Primary Examiner(s): TRAN, DZUNG D
• Application Number:
  US12/804,132
• Publication Number:
  US 20110150473A1
• Time in Patent Office: 1,225 Days
• Field of Search: 398115-130
• US Class Current: 398/124
• CPC Class Codes: H04B 10/1149 Arrangements for indoor wireless networking of information
• CPC Class Codes: H04J 14/0227 Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
• CPC Class Codes: H04J 14/0257 Wavelength assignment algorithms
• CPC Class Codes: H04J 14/0275 using an optical service channel
• CPC Class Codes: H04J 14/0282 WDM tree architectures
• CPC Class Codes: H04J 14/0284 WDM mesh architectures
• CPC Class Codes: H04J 14/0286 WDM hierarchical architectures
• CPC Class Codes: H04J 14/06 Polarisation multiplex systems

Abstract

A data center for executing a data processing application includes processing units, sub-units or servers. Each of the processing units, sub-units or servers can execute a part or all of the data processing application. The processing units, sub-units or servers are electrical disjoint with respect to data communications, but can communicate with each other over free space optical links.

Claims

1. A data center comprising:

a plurality of data center units (DCUs), wherein each DCU is configured to run a part or all of one or more data processing applications,

wherein one or more of the DCUs are coupled to an internal network of one or more free space optical communication links between the DCUs,

wherein the internal network is configured to support multiple optical communication channels, each having a distinct wavelength and/or polarization for communications over the links, and

wherein a combination of a specific data processing application and the DCUs running the specific data processing application is assigned a designated wavelength for mutual control and data signal communications over the internal network.

2. The data center of claim 1, wherein at least a first of the plurality of DCUs includes an optical interface unit (OIU) configured to connect the first DCU to the internal network in response to a free space optical control signal.

3. The data center of claim 2, further comprising, a network controller configured to use free space optical control signals acting on the OIU to connect or disconnect the first DCU from the internal network.

4. The data center of claim 1, wherein the internal network comprises one or more virtual LANs linking respective groups of the plurality of data center units.

5. The data center of claim 4, wherein the one or more virtual LANs are assigned respective wavelengths for optical signal transmission.

6. The data center of claim 1, wherein a combination of a specific data processing application and the DCUs running the specific data processing application is dynamically assigned a designated wavelength for mutual control and/or data signal communications over the internal network.

7. The data center of claim 1, wherein a specific DCU is assigned a discrete set of one or more wavelengths for receiving and/or transmitting control and/or data signals over the internal network.

8. The data center of claim 1, wherein a communication channel between a specific pair of DCUs is assigned a discrete set of one or more wavelengths for transmitting and/or receiving control and/or data signals over the internal network.

9. The data center of claim 1, wherein the internal network comprises a first network, which is optically isolated from a second network.

10. The data center of claim 1, wherein the internal network comprises receivers that are range and/or direction limited and configured to optically isolate a first network from a second network.

11. The data center of claim 1, further comprising, a network controller configured to connect and/or disconnect individual DCUs from the internal network of free space optical communication links.

12. A data center unit (DCU) comprising:

one or more data processing units that are configured to run a part or all of a data processing application; and

an optical interface unit (OIU) configured to couple the DCU unit to a network of one or more free space optical communication links, wherein the network is configured to support multiple optical communication channels, each having a distinct wavelength and/or polarization for communications over the one or more links and wherein a combination of the data processing application and the DCU running the data processing application is assigned a designated wavelength for mutual control and data signal communications over the internal network.

13. The data center unit of claim 12, wherein a combination of a specific data processing application and the DCUs running the specific data processing application is dynamically assigned a designated wavelength for control and/or data signal communications over the network.

14. The data center unit of claim 12, wherein the DCU is assigned a discrete set of one or more wavelengths for control and/or data signal transmission over the network.

15. The data center unit of claim 12, wherein the DCU is assigned a discrete set of one or more wavelengths for receiving or transmitting control and/or data signals over the network.

16. The data center unit of claim 12, further comprising:

a modulator configured to modulate a raw light beam received from a source external to the DCU, and to transmit the modulated light beam over the one or more free space optical communication links.

17. The data center unit of claim 12, further comprising, control circuitry configured to supervise operations of the OIU and/or additional data processing unit components.

18. The data center unit of claim 12, further comprising, a wired, wireless and/or optical power receiver.

19. The data center unit of claim 12, further comprising, mobility elements configured to move the data center unit from a first position to a second position in the data center.

20. The data center unit of claim 12, wherein the one or more data processing units are arranged as one or more individual data processing units and/or in one or more groups as data center bottles, wherein the data processing units include one or more data processing circuits, and wherein the data processing circuits include one or more electronic modules, boxes, servers, cards, boards, and/or racks or free standing assemblies thereof.

21. The data center unit of claim 12, further comprising, an interface to a network controller that is configured to establish a dynamic link during data center operations using a search or scanning process.

22. A method comprising:

providing a plurality of data center units (DCUs), wherein each DCU is configured to run a part or all of one or more data processing applications;

coupling one of more of the DCUs to an internal network of one or more free space optical communication links between the DCUs, wherein the internal network is configured to support multiple optical communication channels, each having a distinct wavelength and/or polarization for communications over the links; and

assigning a combination of a specific data processing application and the DCUs running the specific data processing application a designated wavelength for control and/or data signal communications over the internal network.

23. The method of claim 22, wherein at least a first of the plurality of DCUs includes an optical interface unit (OIU) configured to connect the first DCU to the internal network in response to a free space optical control signal.

24. The method of claim 23, further comprising, providing a network controller configured to use free space optical control signals acting on the OIU to connect or disconnect the first DCU from the internal network.

25. The method of claim 22, wherein the internal network comprises one or more virtual LANs linking respective groups of the plurality of data center units.

26. The method of claim 25, wherein the one or more virtual LANs are assigned respective wavelengths for optical signal transmission.

27. The method of claim 22, wherein a communication channel between a specific pair of DCUs is assigned a discrete set of one or more wavelengths for transmitting and/or receiving control and/or data signals over the internal network.

28. The method of claim 22, wherein the internal network comprises a hierarchy of networks.

29. The method of claim 22, wherein the internal network comprises a first network, which is optically isolated from a second network.

30. The method of claim 22, wherein the internal network comprises receivers are that are range and/or direction limited and configured to optically isolate a first network from a second network.

31. The method of claim 22, wherein the internal network comprises an optically isolated wavelength-addressed n×

n network.

32. The method of claim 22, wherein the internal network comprises a hierarchy of diverse networks based on wavelengths and/or spatial diversity.

33. The method of claim 22, wherein the plurality of data center units comprise one or more of data center bottles and/or data processing units, wherein the data center bottles include a plurality of data processing units, wherein the data processing units include one or more data processing circuits, and wherein the data processing circuits include one or more electronic modules, boxes, servers, cards, boards, and/or racks or free standing assemblies thereof.

34. The method of claim 22, further comprising, providing a network controller configured to connect and/or disconnect individual DCUs from the internal network of free space optical communication links.

35. A method for executing a data processing application, comprising:

in a data center unit (DCU), providing one or more data processing units that are configured to run a part or all of a data processing application;

providing an optical interface unit (OIU) configured to couple the DCU unit to a network of one or more free space optical communication links, wherein the network is configured to support multiple optical communication channels, each having a distinct wavelength and/or polarization for communications over the one or more links; and

assigning to the data processing application running on the DCU a designated wavelength for mutual control and data signal communications over the internal network.

36. The method of claim 35, wherein a combination of a specific data processing application and the DCUs running the specific data processing application is dynamically assigned a designated wavelength for control and/or data signal communications over the network.

37. The method of claim 35, wherein the DCU is assigned a discrete set of one or more wavelengths for control and/or data signal transmission over the network.

38. The method of claim 35, wherein the DCU is assigned a discrete set of one or more wavelengths for receiving control and/or data signals over the network.

39. The method of claim 35, further comprising:

providing a modulator configured to modulate a raw light beam received from a source external to the DCU, and to transmit the modulated light beam over the one or more free space optical communication links.

40. The method of claim 35, further comprising, providing control circuitry configured to supervise operations of the OIU and/or additional data processing unit components.

41. The method of claim 35, further comprising, providing a cooling unit.

42. The method of claim 35, further comprising, providing a wired, wireless and/or optical power receiver.

43. The method of claim 35, further comprising, providing a power storage unit.

44. The method of claim 35, further comprising, providing mobility elements configured to move the data center unit from a first position to a second position in the data center.

45. The method of claim 35, wherein the data processing units include one or more data processing circuits, and wherein the data processing circuits include one or more electronic modules, boxes, servers, cards, boards, and/or racks or free standing assemblies thereof.

46. The method of claim 35, further comprising, providing an interface to a network controller that is configured to establish a dynamic link during data center operations using a search or scanning process.

47. A data center comprising:

a plurality of data center units (DCUs), wherein each DCU is configured to run a part or all of one or more data processing applications, wherein one or more of the DCUs is coupled to an internal network of one or more free space optical communication links between the DCUs, and wherein the internal network is configured to support multiple optical communication channels, each having a distinct wavelength and/or polarization for communications over the links;

wherein a specific DCU of the plurality of DCUs is assigned a discrete set of one or more wavelengths for receiving and/or transmitting control and/or data signals over the internal network; and

wherein a combination of a specific data processing application and the DCUs running the specific data processing application is assigned a designated wavelength for mutual control and/or data signal communications over the internal network.