IP Library › Granted Patent US 9,455,937
Granted Patent B2
US 9,455,937 · App. 12/776,562 · Granted Sep 27, 2016

Distributed packet switch having a wireless control plane

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Quick Facts
Patent No.
US 9,455,937
App. No.
12/776,562
Granted
Sep 27, 2016
Kind
B2
Abstract

A packet network device such as a network switch includes a number of functional cards or chassis modules at least some of which are connected to both an electrical backplane and a wireless backplane. The electrical backplane provides data plane signal paths and the wireless backplane provides control plane signal paths.

Claims (62)

1. A hybrid backplane, comprising:

an electrical backplane board including:

at least one line card connector located on the electrical backplane board;

at least one switch fabric card connector located on the electrical backplane board;

at least one route processing manager connector located on the electrical backplane board; and

physical, high speed data connections located in the electrical backplane board and extending between the at least one line card connector and the at least one switch fabric card connector,

wherein at least one of the at least one line card and at least one switch fabric card is configured to transmit high speed data plane communications, and

wherein the physical, high speed data connections are configured to provide the high speed data plane communications between at least one line card and at least one switch fabric card when the at least one line card is coupled to the at least one line card connector and the at least one switch fabric card is coupled to the at least one switch fabric card connector; and

a wireless backplane system that is located on the electrical backplane board and that is configured to:

receive an antenna on each of the at least one line card, the at least one switch fabric card, and at least one route processing manager when the at least one line card is coupled to the at least one line card connector, the at least one switch fabric card is coupled to the at least one switch fabric card connector, and the at least one route processing manager is coupled to the at least one route processing manager connector,

wherein at least one of the at least one line card, the at least one switch fabric card, and at least one route processing manager is configured to transmit network protocol traffic, scheduling traffic, and card management traffic, and

wherein the wireless backplane system is configured to provide for wireless communication of the network protocol traffic, the scheduling traffic, and the card management traffic between the at least one line card, the at least one switch fabric card, and the at least one route processing manager when the at least one line card is coupled to the at least one line card connector, the at least one switch fabric card is coupled to the at least one switch fabric card connector, and the at least one route processing manager is coupled to the at least one route processing manager connector.

2. The hybrid backplane of claim 1 , wherein the at least one line card connector includes a plurality of line card connectors.

3. The hybrid backplane of claim 2 , wherein each of the plurality of line card connectors are configured to couple to a line card that include a wireless transceiver connected to an antenna which is received by the wireless backplane system.

4. The hybrid backplane of claim 1 , wherein the electrical backplane board and the wireless backplane system operate to receive ingress data traffic from and transmit egress data traffic to peer devices.

5. The hybrid backplane of claim 1 , wherein the high speed data plane communications include receiving information from a network, processing the information and forwarding the information to a destination on the network.

6. The hybrid backplane of claim 1 , further comprising:

physical traces located in the electrical backplane and extending between the at least one line card connector, the at least one switch fabric card connector, and the at least one route processing manager connector, wherein the physical traces are configured to provide for the transmission of clock timing information between the at least one route processing manager, the at least one line card, and the at least one switch fabric card.

7. The hybrid backplane of claim 1 , wherein

the network protocol traffic provides for communication between a plurality of master routing/switching protocols running on the at least one route processing manager, and between at least one of the plurality of master routing/switching protocols and the at least one line card;

the scheduling traffic provides for the at least one route processing manager to coordinate and synchronize the internal transmission of packet data between the at least one line card and the at least one switch fabric card; and

the card management traffic provides for the at least one route processing manager to monitor, configure, and manage hardware on the at least one line card and the at least one switch fabric card.

8. The hybrid backplane of claim 1 , wherein the wireless backplane system is comprised of a wireless waveguide with a plurality of antenna receptor apertures.

9. A packet network device, comprising:

a chassis housing:

an electrical backplane board;

a wireless backplane system located on the electrical backplane board;

at least one line card connected to the electrical backplane board and including an antenna received by the wireless backplane system;

at least one switch fabric card connected to the electrical backplane board and including an antenna received by the wireless backplane system; and

at least one route processing manager connected to the electrical backplane board and including an antenna received by the wireless backplane system;

wherein the electrical backplane board includes physical, high speed data connections that are configured to provide high speed data plane communications between the at least one line card and the at least one switch fabric card; and

wherein the wireless backplane system is configured to provide for wireless communication of network protocol traffic, scheduling traffic, and card management traffic between the at least one line card, the at least one switch fabric card, and the at least one route processing manager.

10. The packet network device of claim 9 , wherein the at least one line card includes a plurality of line cards.

11. The packet network device of claim 10 , wherein each of the plurality of line cards include a wireless transceiver connected to an antenna which is received by the wireless backplane system.

12. The packet network device of claim 11 , wherein the antenna on at least one of the plurality of line cards is configured to move relative to that line card to be received by the wireless backplane system.

13. The packet network device of claim 9 , wherein the at least one line card, the at least one switch fabric card, and the at least one route processing manager are configured to receive ingress data traffic from and transmit egress data traffic to peer devices.

14. The packet network device of claim 9 , wherein the high speed data plane communications include receiving data traffic from and transmitting data traffic to peer devices.

15. The packet network device of claim 9 , further comprising:

physical traces located in the electrical backplane and extending between the at least one line card connector, the at least one switch fabric card connector, and the at least one route processing manager connector, wherein the physical traces are configured to provide for the transmission of clock timing information between the at least one route processing manager, the at least one line card, and the at least one switch fabric card.

16. The packet network device of claim 9 , wherein

the network protocol traffic provides for communication between a plurality of master routing/switching protocols running on the at least one route processing manager, and between at least one of the plurality of master routing/switching protocols and the at least one line card;

the scheduling traffic provides for the at least one route processing manager to coordinate and synchronize the internal transmission of packet data between the at least one line card and the at least one switch fabric card; and

the card management traffic provides for the at least one route processing manager to monitor, configure, and manage hardware on the at least one line card and the at least one switch fabric card.

17. The packet network device of claim 9 , wherein the wireless backplane system is comprised of a wireless waveguide with a plurality of antenna receptor apertures.

18. A method for providing communication in a packet network device, comprising:

connecting at least one line card to an electrical backplane board such that an antenna on each at least one line card is received by a wireless backplane system that is located on the electrical backplane board;

connecting at least one switch fabric card to the electrical backplane board such that an antenna on each at least one switch fabric card is received by the wireless backplane system; and

connecting at least one route processing manager to the electrical backplane board such that an antenna on each at least one route processing manager is received by the wireless backplane system;

transmitting, by at least one of the at least one line card and the at least one switch fabric card, high speed data plane communications, wherein the high speed data plane communications are provided between the at least one line card and the at least one switch fabric card using physical, high speed data connections in the electrical backplane board; and

transmitting, by at least one of the at least one line card, the at least one switch fabric card, and the at least one route processing manager, network protocol traffic, scheduling traffic, and card management traffic, wherein the network protocol traffic, the scheduling traffic, and the card management traffic is provided between the at least one line card, the at least one switch fabric card, and the at least one route processing manager via wireless communication using the wireless backplane system.

19. The method of claim 18 , wherein the at least one line card includes a plurality of line cards.

20. The method of claim 19 , wherein each of the plurality of line cards include a wireless transceiver connected to an antenna which is received by the wireless backplane system.

21. The method of claim 18 , further comprising:

moving the antenna on at least one of the plurality of line cards relative to that line card to be received by the wireless backplane system.

22. The method of claim 18 , wherein the high speed data plane communications include receiving data traffic from and transmitting data traffic to peer devices.

23. The method of claim 18 , further comprising:

providing for the transmission of clock timing information between the at least one route processing manager, the at least one line card, and the at least one switch fabric card using physical traces extending through the electrical backplane between the at least one line card, the at least one switch fabric card, and the at least one route processing manager.

24. The method of claim 18 , wherein

the network protocol traffic provides for communication between a plurality of master routing/switching protocols running on the at least one route processing manager, and between at least one of the plurality of master routing/switching protocols and the at least one line card;

the scheduling traffic provides for the at least one route processing manager to coordinate and synchronize the internal transmission of packet data between the at least one line card and the at least one switch fabric card; and

the card management traffic provides for the at least one route processing manager to monitor, configure, and manage hardware on the at least one line card and the at least one switch fabric card.

25. The method of claim 18 , wherein the wireless backplane system is comprised of a wireless waveguide with a plurality of antenna receptor apertures.

Assignments (15)
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (053546/0001) Recorded Jun 23, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: DELL MARKETING L.P. (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO CREDANT TECHNOLOGIES, INC.); DELL INTERNATIONAL L.L.C.; DELL PRODUCTS L.P.; DELL USA L.P.; EMC CORPORATION; DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO FORCE10 NETWORKS, INC. AND WYSE TECHNOLOGY L.L.C.); EMC IP HOLDING COMPANY LLC
Reel/Frame 071642/0001 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (045455/0001) Recorded May 20, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO ASAP SOFTWARE EXPRESS, INC.); DELL MARKETING L.P. (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO CREDANT TECHNOLOGIES, INC.); DELL USA L.P.; DELL INTERNATIONAL L.L.C.; DELL PRODUCTS L.P.; DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO FORCE10 NETWORKS, INC. AND WYSE TECHNOLOGY L.L.C.); EMC CORPORATION (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO MAGINATICS LLC); EMC IP HOLDING COMPANY LLC (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO MOZY, INC.); SCALEIO LLC
Reel/Frame 061753/0001 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (040136/0001) Recorded Apr 26, 2022
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO ASAP SOFTWARE EXPRESS, INC.); DELL MARKETING L.P. (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO CREDANT TECHNOLOGIES, INC.); DELL USA L.P.; DELL INTERNATIONAL L.L.C.; DELL PRODUCTS L.P.; DELL MARKETING CORPORATION (SUCCESSOR-IN-INTEREST TO FORCE10 NETWORKS, INC. AND WYSE TECHNOLOGY L.L.C.); EMC CORPORATION (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO MAGINATICS LLC); EMC IP HOLDING COMPANY LLC (ON BEHALF OF ITSELF AND AS SUCCESSOR-IN-INTEREST TO MOZY, INC.); SCALEIO LLC
Reel/Frame 061324/0001 →
RELEASE OF SECURITY INTEREST Recorded Nov 3, 2021
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: DELL USA L.P.; ASAP SOFTWARE EXPRESS, INC.; AVENTAIL LLC; CREDANT TECHNOLOGIES, INC.; DELL INTERNATIONAL, L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL SYSTEMS CORPORATION; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; FORCE10 NETWORKS, INC.; MAGINATICS LLC; MOZY, INC.; SCALEIO LLC; WYSE TECHNOLOGY L.L.C.
Reel/Frame 058216/0001 →
MERGER Recorded Mar 4, 2021
From: FORCE10 NETWORKS, INC.
To: DELL MARKETING CORPORATION
Reel/Frame 056104/0988 →
SECURITY AGREEMENT Recorded Mar 21, 2019
From: CREDANT TECHNOLOGIES, INC.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL USA L.P.; EMC CORPORATION; FORCE10 NETWORKS, INC.; WYSE TECHNOLOGY L.L.C.; EMC IP HOLDING COMPANY LLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Reel/Frame 049452/0223 →
SECURITY AGREEMENT Recorded Sep 21, 2016
From: ASAP SOFTWARE EXPRESS, INC.; AVENTAIL LLC; CREDANT TECHNOLOGIES, INC.; DELL USA L.P.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL SYSTEMS CORPORATION; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; FORCE10 NETWORKS, INC.; MAGINATICS LLC; MOZY, INC.; SCALEIO LLC; SPANNING CLOUD APPS LLC; WYSE TECHNOLOGY L.L.C.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 040134/0001 →
SECURITY AGREEMENT Recorded Sep 21, 2016
From: ASAP SOFTWARE EXPRESS, INC.; AVENTAIL LLC; CREDANT TECHNOLOGIES, INC.; DELL USA L.P.; DELL INTERNATIONAL L.L.C.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL SYSTEMS CORPORATION; EMC CORPORATION; EMC IP HOLDING COMPANY LLC; FORCE10 NETWORKS, INC.; MAGINATICS LLC; MOZY, INC.; SCALEIO LLC; SPANNING CLOUD APPS LLC; WYSE TECHNOLOGY L.L.C.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
Reel/Frame 040136/0001 →
RELEASE OF SECURITY INTEREST Recorded Sep 14, 2016
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: DELL MARKETING L.P.; ASAP SOFTWARE EXPRESS, INC.; APPASSURE SOFTWARE, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL INC.; DELL PRODUCTS L.P.; DELL USA L.P.; DELL SOFTWARE INC.; FORCE10 NETWORKS, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
Reel/Frame 040040/0001 →
RELEASE OF SECURITY INTEREST Recorded Sep 14, 2016
From: BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS COLLATERAL AGENT
To: DELL MARKETING L.P.; ASAP SOFTWARE EXPRESS, INC.; APPASSURE SOFTWARE, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL INC.; DELL PRODUCTS L.P.; DELL USA L.P.; DELL SOFTWARE INC.; FORCE10 NETWORKS, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
Reel/Frame 040065/0618 →
RELEASE OF SECURITY INTEREST Recorded Sep 13, 2016
From: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
To: DELL MARKETING L.P.; ASAP SOFTWARE EXPRESS, INC.; APPASSURE SOFTWARE, INC.; COMPELLANT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL INC.; DELL PRODUCTS L.P.; DELL USA L.P.; DELL SOFTWARE INC.; FORCE10 NETWORKS, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
Reel/Frame 040065/0216 →
PATENT SECURITY AGREEMENT (TERM LOAN) Recorded Jan 2, 2014
From: DELL INC.; APPASSURE SOFTWARE, INC.; ASAP SOFTWARE EXPRESS, INC.; BOOMI, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL USA L.P.; FORCE10 NETWORKS, INC.; GALE TECHNOLOGIES, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 031899/0261 →
PATENT SECURITY AGREEMENT (ABL) Recorded Jan 2, 2014
From: DELL INC.; APPASSURE SOFTWARE, INC.; ASAP SOFTWARE EXPRESS, INC.; BOOMI, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL USA L.P.; FORCE10 NETWORKS, INC.; GALE TECHNOLOGIES, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 031898/0001 →
PATENT SECURITY AGREEMENT (NOTES) Recorded Jan 2, 2014
From: APPASSURE SOFTWARE, INC.; ASAP SOFTWARE EXPRESS, INC.; BOOMI, INC.; COMPELLENT TECHNOLOGIES, INC.; CREDANT TECHNOLOGIES, INC.; DELL INC.; DELL MARKETING L.P.; DELL PRODUCTS L.P.; DELL SOFTWARE INC.; DELL USA L.P.; FORCE10 NETWORKS, INC.; GALE TECHNOLOGIES, INC.; PEROT SYSTEMS CORPORATION; SECUREWORKS, INC.; WYSE TECHNOLOGY L.L.C.
To: BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS FIRST LIEN COLLATERAL AGENT
Reel/Frame 031897/0348 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 11, 2010
From: GOERGEN, JOEL R
To: FORCE 10 NETWORKS, INC.
Reel/Frame 024363/0339 →