Device abstraction proxy

• US 9,344,294 B2
• Filed: 11/02/2010
• Issued: 05/17/2016
• Est. Priority Date: 11/02/2009
• Status: Active Grant

• Current Assignee: Assia Spe LLC
• Original Assignee: Adaptive Spectrum and Signal Alignment, Incorporated
• Inventors: Goldburg, Marc, Bednarz, Philip
• Primary Examiner(s): Duong, Oanh
• Application Number:
  US13/511,632
• Publication Number:
  US 20130179570A1
• Time in Patent Office: 2,023 Days
• Field of Search: 709/223, 709/225, 709/226, 709/238, 709/246, 709/250, 375/222
• US Class Current: 1/1
• CPC Class Codes: G06F 9/541 via adapters, e.g. between incompatible applications
• CPC Class Codes: H04L 12/2856 Access arrangements, e.g. Internet access asynchronous transfer mode networks H04L12/5601; broadband local area networks H04L12/2801; optical access or distribution networks H04Q11/0067; access to open networks H04L12/5691; digital subscriber line end-user equipment and bit-level processing of data on a PSTN-based network H04M11/00; home network gateways H04L12/2834; wireless access networks H04W
• CPC Class Codes: H04L 12/2894 Centralized processing
• CPC Class Codes: H04L 41/0806 for initial configuration or provisioning, e.g. plug-and-play
• CPC Class Codes: H04L 41/0895 Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
• CPC Class Codes: H04L 41/32 Specific management aspects for broadband networks

Abstract

Described are systems and methods for implementing and operating a Device Abstraction Proxy (DAP). In one embodiment, the DAP includes a communications interface to connect the DAP to one or more access aggregation devices, each having a plurality of physical ports to provide Digital Subscriber Line (DSL) communication services to a plurality of remote DSL terminals via the plurality of physical ports. The DAP may further include a memory and processor to execute a virtual access aggregation device, in which a subset of the plurality of physical ports are allocated and linked to corresponding logical ports. The DAP may further include a global rule-set module to define operational constraints for the DSL communication services, and a management interface to allow at least one broadband access management system to manage the subset of physical ports allocated to the virtual access aggregation device subject to the operational constraints.

Claims

1. A Device Abstraction Proxy comprising:

a communications interface to connect the Device Abstraction Proxy to multiple access aggregation devices, each having a plurality of physical ports to provide Digital Subscriber Line (DSL) communication services to a plurality of remote DSL terminals via the plurality of physical ports;

wherein the Device Abstraction Proxy is to represent the plurality of physical ports at the multiple access aggregation devices communicably interfaced therewith to a DSL service provider as one virtual access aggregation device within the Device Abstraction Proxy;

wherein the Device Abstraction Proxy has a memory and a processor therein to execute the virtual access aggregation device at the Device Abstraction Proxy, wherein the plurality of physical ports are allocated to the virtual access aggregation device and linked to corresponding logical ports within the virtual access aggregation device;

a global rule-set module to define operational constraints for the DSL communication services; and

a management interface to allow at least one broadband access management system to manage the plurality of physical ports allocated to the virtual access aggregation device subject to the operational constraints.

2. The Device Abstraction Proxy of claim 1, wherein the broadband access management system comprises a remotely located client device operated by a DSL services reseller.

3. The Device Abstraction Proxy of claim 1, wherein a DSL services wholesaler having administrative authority over the Device Abstraction Proxy controls the operational constraints defined by the global rule-set module.

4. The Device Abstraction Proxy of claim 1, further comprising:

a control interface to allow a DSL services wholesaler having administrative authority over the Device Abstraction Proxy to manage an operational configuration of the Device Abstraction Proxy.

5. The Device Abstraction Proxy of claim 4, further comprising:

a provisioning module to allocate the subset of physical ports to the virtual access aggregation device and to further link the subset of physical ports to the corresponding logical ports within the virtual access aggregation device responsive to instructions from the DSL services wholesaler received at the control interface.

6. The Device Abstraction Proxy of claim 4, further comprising:

an authorization module to enforce the operational configuration of the Device Abstraction Proxy, wherein enforcing the operational configuration comprises one or more operations selected from the group comprising;

enforcing management traffic rules;

enforcing service definition rules;

enforcing limits on data viewable by any DSL services reseller on a per virtual access aggregation device basis;

enforcing limits on logical port operations available to any DSL services reseller on a per virtual access aggregation device basis;

enforcing limits on available configuration options for the DSL communication services available to any DSL services reseller; and

enforcing limits on access to diagnostics information by any DSL services reseller on a per virtual access aggregation device basis.

7. The Device Abstraction Proxy of claim 1:

wherein the management interface is to receive a request for operational data relating to DSL communication services provided to one or more of the remote DSL terminals; and

wherein an authorization module of the Device Abstraction Proxy is to limit access to the operational data relating to the DSL communication services based on whether the one or more remote DSL terminals are associated with logical ports allocated to a virtual access aggregation device for which a requestor has administrative authority.

8. The Device Abstraction Proxy of claim 1:

wherein each of the one or more access aggregation devices comprise a Digital Subscriber Line Access Multiplier (DSLAM), each having the respective plurality of physical ports, and wherein each DSLAM further comprises a back-haul communications interface to communicatively link each respective DSLAM to a wholesaler service provider; and

wherein a communications interface is to connect the Device Abstraction Proxy to each of the respective DSLAMs.

9. The Device Abstraction Proxy of claim 1:

further comprising the memory and processor to execute a second virtual access aggregation device; and

wherein a second subset of the plurality of physical ports, non-overlapping with the first subset, are to be allocated to the second virtual access aggregation device and linked to corresponding logical ports within the second virtual access aggregation device via a provisioning module of the Device Abstraction Proxy.

10. The Device Abstraction Proxy of claim 9:

wherein administrative control of each respective access aggregation device is allocated to a DSL services wholesaler having management responsibility for the respective access aggregation device and further having management responsibility for a corresponding back-haul communications link providing each respective access aggregation device with access to Internet bandwidth;

wherein administrative control of the first virtual access aggregation device is allocated to a first DSL services reseller having access to a first portion of the Internet bandwidth accessible via the one or more access aggregation devices for re-sale to end-user consumers; and

wherein administrative control of the second virtual access aggregation device is allocated to a second DSL services reseller having access to a second portion of the Internet bandwidth accessible via the one or more access aggregation devices for re-sale to end-user consumers, wherein the first DSL services reseller and the second DSL services reseller are separate and distinct business entities.

11. The Device Abstraction Proxy of claim 1, further comprising:

a Dynamic Spectrum Management (DSM) module to perform one of the following cooperative DSM optimization techniques;

wherein the DSM module is to apply DSM optimizations against at least one logical port of the first virtual access aggregation device associated with a first DSL services reseller and against at least one logical port of a second virtual access aggregation device associated with a second DSL services reseller, wherein the DSM module operates under the administrative control of a DSL services wholesaler;

wherein the DSM module is to apply the DSM optimizations against at least two or more logical ports each associated exclusively with the first virtual access aggregation, wherein the DSM module operates under the administrative control of the DSL services wholesaler; and

wherein the DSM module is to apply the DSM optimizations against the at least two or more logical ports each associated exclusively with the first virtual access aggregation, wherein the DSM module is to operate under the administrative control of the first DSL services reseller having administrative authority for the first virtual access aggregation device.

12. The Device Abstraction Proxy of claim 1, wherein a Dynamic Spectrum Management (DSM) module is to operate within a DSL services reseller communicatively interfaced with the Device Abstraction Proxy, and wherein the DSM module is to perform one of the following cooperative DSM optimization techniques:

wherein the DSM module is to apply DSM optimizations against at least one logical port of the first virtual access aggregation device associated with the DSL services reseller and against at least one logical port of a second virtual access aggregation device associated with a second DSL services reseller, wherein the DSM module is to operate under the administrative control of a DSL services wholesaler;

wherein the DSM module is to apply the DSM optimizations against at least two or more logical ports each associated exclusively with the first virtual access aggregation, wherein the DSM module is to operate under the administrative control of the DSL services wholesaler; and

wherein the DSM module is to apply the DSM optimizations against the at least two or more logical ports each associated exclusively with the first virtual access aggregation, wherein the DSM module is to operate under the administrative control of the DSL services reseller having administrative authority for the first virtual access aggregation device.

13. The Device Abstraction Proxy of claim 1, wherein the operational constraints defined by the global rule-set module for the DSL communication services comprise one or more of the following:

allowed spectrum masks;

total power limits;

one or more allowed ranges of transmit power;

allowed minimum transmit power levels;

allowed Dynamic Spectrum Management (DSM) policy;

allowed number of distinct profiles provisioned on a per virtual access aggregation device basis, wherein each profile defines operational characteristics for a respective logical port including at least transmit power, data rate, and error protection;

maximum allowed upstream aggregate bandwidth utilization on a per virtual access aggregation device basis; and

maximum allowed downstream aggregate bandwidth utilization on a per virtual access aggregation device basis.

14. The Device Abstraction Proxy of claim 1, wherein the management interface is to implement an Application Programming Interface (API) and wherein the management interface is to further present each virtual access aggregation device as an individual physical DSLAM device to DSLAM configuration tools via the API.

15. The Device Abstraction Proxy of claim 14, wherein the API to further:

provide access to diagnostic information to DSL services resellers on a per virtual access aggregation device basis via the management interface;

communicate provisioning requests from DSL services resellers to a provisioning module of the Device Abstraction Proxy, the provisioning requests requesting a physical port on one of the access aggregation devices to be allocated to a virtual access aggregation device associated with a requesting DSL services reseller; and

provide access to operational data and port status information subject to restrictions enforced by an authorization module of the Device Abstraction Proxy which operates under the administrative control of a DSL services wholesaler.

16. The Device Abstraction Proxy of claim 1, further comprising a control interface to perform one or more of the following DSL services wholesaler operations:

provide a management data interface to Network Elements (NEs);

implement aggregate traffic management operations against multiple virtual access aggregation devices operating within the Device Abstraction Proxy;

implement traffic management operations on a per Digital Subscriber Line Access Multiplier (DSLAM) basis, wherein the traffic management operations are effected against one of the one or more access aggregation devices;

implement vendor support operations that are applied against any of the one or more access aggregation devices;

implement profile provisioning and selection operations on behalf of a DSL services wholesaler responsive to logical port configuration requests received from a DSL services reseller via the management interface; and

implement wholesaler notification operations responsive to profile changes affecting one or more logical ports within any virtual access aggregation device executing within the Device Abstraction proxy.

17. The method of claim 1:

wherein administrative authority for controlling a portion of the functionality of the multiple access aggregation devices is retained by the DSL service provider and wherein administrative authority for controlling a different portion of the functionality of the multiple access aggregation devices is delegated to one or more DSL services wholesalers, one or more DSL services resellers, or a combination of both.

18. In a Device Abstraction Proxy, a method comprising:

communicably interfacing the Device Abstraction Proxy with multiple access aggregation devices, each having a plurality of physical ports to provide Digital Subscriber Line (DSL) communication services to a plurality of remote DSL terminals via the plurality of physical ports;

representing the plurality of physical ports at the multiple access aggregation devices communicably interfaced with the Device Abstraction Proxy to a DSL service provider as one virtual access aggregation device within the Device Abstraction Proxy;

allocating the plurality of physical ports to the virtual access aggregation device executing within the Device Abstraction Proxy;

linking the allocated plurality of physical ports to corresponding logical ports within the virtual access aggregation device; and

providing a management interface to allow at least one broadband access management system to manage the plurality of physical ports allocated to the virtual access aggregation device subject to a plurality of operational constraints.

19. The method of claim 18, wherein allocating the subset of physical ports comprises allocating the subset of physical ports via a provisioning module of the Device Abstraction Proxy responsive to instructions received via a control interface of the Device Abstraction Proxy.

20. The method of claim 18, further comprising:

receiving a request from a DSL services reseller to configure a logical port within the virtual access aggregation device via the management interface;

determining, via an authorization module of the Device Abstraction Proxy, that a configuration specified by the request complies with the plurality of operational constraints before permitting the configuration of the logical port; and

configuring the logical port in accordance with the request.

21. The method of claim 18, further comprising one of the following Dynamic Spectrum Management (DSM) optimization techniques:

applying DSM optimizations against at least one logical port of the first virtual access aggregation device associated with a first DSL services reseller and against at least one logical port of a second virtual access aggregation device associated with a second DSL services reseller, wherein the DSM optimizations are to be applied via a DSM module within the Device Abstraction Proxy that operates under the administrative control of a DSL services wholesaler;

applying the DSM optimizations against at least two or more logical ports each associated exclusively with the first virtual access aggregation, wherein the DSM optimizations are to be applied via the DSM module within the Device Abstraction Proxy that operates under the administrative control of the DSL services wholesaler;

applying the DSM optimizations against the at least two or more logical ports each associated exclusively with the first virtual access aggregation, wherein the DSM optimizations are to be applied via a DSM module within the first DSL services reseller and wherein the DSM module operates under the administrative control of the first DSL services reseller; and

applying the DSM optimizations against the at least one logical port of the first virtual access aggregation device associated with a first DSL services reseller and against the at least one logical port of the second virtual access aggregation device associated with the second DSL services reseller, wherein the DSM optimizations are to be applied via the DSM module within the first DSL services reseller that operates under the administrative control of the DSL services wholesaler.

22. The method of claim 18, further comprising:

receiving provisioning instructions from a DSL services wholesaler via a control interface of the Device Abstraction Proxy;

provisioning a new virtual access aggregation device via a provisioning module of the Device Abstraction Proxy responsive to the provisioning instructions received;

instantiating and executing the new virtual access aggregation device via a memory and processor of the Device Abstraction Proxy;

allocating a second subset of the plurality of physical ports, non-overlapping with the first subset of physical ports, to the new virtual access aggregation device;

linking the second subset of physical ports to corresponding logical ports within the new virtual access aggregation device; and

allocating administrative control of the new virtual access aggregation device to a DSL services reseller, wherein the DSL services reseller has access to manage the second subset of physical ports allocated to the new virtual access aggregation device via the management interface of the Device Abstraction Proxy.

23. A non-transitory computer readable storage medium having instructions stored thereon that, when executed by a processor in a Device Abstraction Proxy, the instructions cause the Device Abstraction Proxy to perform a method comprising:

communicably interfacing the Device Abstraction Proxy with multiple access aggregation devices, each having a plurality of physical ports to provide Digital Subscriber Line (DSL) communication services to a plurality of remote DSL terminals via the plurality of physical ports;

representing the plurality of physical ports at the multiple access aggregation devices communicably interfaced with the Device Abstraction Proxy to a DSL service provider as one virtual access aggregation device within the Device Abstraction Proxy;

allocating the plurality of physical ports to the virtual access aggregation device executing within the Device Abstraction Proxy;

linking the allocated plurality of physical ports to corresponding logical ports within the virtual access aggregation device; and

providing a management interface to allow at least one broadband access management system to manage the plurality of physical ports allocated to the virtual access aggregation device subject to a plurality of operational constraints.

24. The non-transitory computer readable storage medium of claim 23, wherein the subset of physical ports comprises one or more physical ports on a first access aggregation device and one or more physical ports on a located access aggregation device.