Unified networking system and device for heterogeneous mobile environments

• US 10,541,926 B2
• Filed: 12/02/2014
• Issued: 01/21/2020
• Est. Priority Date: 06/06/2012
• Status: Active Grant

• Current Assignee: Trustees Of Columbia University In The City Of New York (Columbia University)
• Original Assignee: Trustees Of Columbia University In The City Of New York (Columbia University)
• Inventors: Singh, Amandeep, Ormazabal, Gaston S., Schulzrinne, Henning G.
• Primary Examiner(s): Ahmed, Atique
• Application Number:
  US14/558,467
• Publication Number:
  US 20150156122A1
• Time in Patent Office: 1,876 Days
• CPC Class Codes: H04L 41/0893 Assignment of logical groups to network elements
• CPC Class Codes: H04L 41/0894 Policy-based network configuration management
• CPC Class Codes: H04L 41/0895 Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
• CPC Class Codes: H04L 43/08 Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
• CPC Class Codes: H04L 47/193 at the transport layer, e.g. TCP related
• CPC Class Codes: H04L 47/20 Traffic policing
• CPC Class Codes: H04L 61/103 across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
• CPC Class Codes: H04L 61/4511 using domain name system [DNS]
• CPC Class Codes: H04L 61/5084 Providing for device mobility network addressing or numbering for mobility support in wireless networks H04W8/26; mobile IP H04W80/04
• CPC Class Codes: H04L 69/321 Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
• CPC Class Codes: H04W 28/0226 based on location or mobility handoff or reselection H04W36/00; mobile application services making use of the location of users or terminals H04W4/02
• CPC Class Codes: H04W 36/0011 for data sessions of end-to-end connection
• CPC Class Codes: H04W 36/12 Reselecting a serving backbone network switching or routing node
• CPC Class Codes: H04W 36/165 for reducing network power consumption H04W36/18 - H04W36/22 take precedence
• CPC Class Codes: H04W 80/00 Wireless network protocols or protocol adaptations to wireless operation

Abstract

Method for unified networking for a device in heterogeneous mobile environments includes maintaining and monitoring active network interfaces, managing the location of the device, managing network access security, enabling disruption tolerance support for applications, enabling service sharing and session mobility, managing system parameters for one or more active application sessions, managing storage functionality in one or more memory devices, and maintaining a mapping for one or more flows corresponding to the one or more active application sessions, maintaining one or more policies, and performing flow control decisions based upon the policies using a policy engine. The method can also include monitoring for network events, evaluating whether to perform a handover based upon policies, and providing seamless secure handovers in a heterogeneous mobile environment. A device, non-transitory computer-readable medium, and a system for unified networking are also provided.

Claims

1. A method for unified networking for a device in mobile environments comprising:

monitoring one or more active network interfaces for a plurality of infrastructure providers;

monitoring a location of the device;

managing network access security of the device;

managing system parameters for one or more active application sessions on the device, the system parameters including one or more of CPU, memory, storage, bandwidth, and battery usages for the one or more active application sessions;

maintaining a mapping for one or more flows corresponding to the one or more active application sessions, wherein the one or more flows are end-to-end connections between the device and a correspondent node associated with a destination flow identifier;

maintaining one or more policies for selecting from the plurality of infrastructure providers;

maintaining a knowledge base on the device comprising past network information for the device for the plurality of infrastructure providers including each system parameter of location and network cost, the knowledge base further comprising past network and system information including one or more of interface, time, bandwidth information, spectrum availability, system resource, latency, application specific policies, and system and network usage information;

generating a mapping of the plurality of infrastructure providers and their associated locations based on information available in the knowledge base; and

performing flow control decisions based on the one or more policies, the location of the device, and the mapping of the plurality of infrastructure providers and their associated locations.

2. The method of claim 1, wherein each of the one or more flows comprises a data pipe between the device and a correspondent node, each of the one or more flows being identified by a flow identifier that remains constant even in an event of a handover.

3. The method of claim 1, further comprising one or more sub-flows identified by at least one IP address that is interrupted and reconfigured in an event of a handover.

4. The method of claim 1, further comprising using a policy engine to perform the flow control decisions in real-time to determine whether to complement an existing flow.

5. The method of claim 1, wherein a first flow provided by a first network interface is moved to a second network interface.

6. The method of claim 1, further comprising using a policy engine to perform the flow control decisions in real-time to determine whether to supplement an existing flow with a parallel auxiliary connection.

7. The method of claim 1, wherein a first flow comprises a first sub-flow provided by a first network interface and a second sub-flow provided by a second network interface simultaneously.

8. The method of claim 1, wherein a plurality of flows is maintained, each of the plurality of flows having one or more corresponding network interfaces.

9. The method of claim 1, wherein the performing the flow control decisions comprises using a policy engine to evaluate current attributes selected from a group consisting of location, time, network cost, network bandwidth, network latency, network presence, network security, device sensor data, application resource usage or combinations thereof.

10. The method of claim 1, wherein the mapping comprises a geographic network access map, and using the geographic network access map to perform the flow control decisions to reduce handover latency.

11. The method of claim 1, further comprising monitoring network performance attributes selected from a group consisting of signal strength, latency, available bandwidth, network presence, security parameter and combinations thereof and creating a network event if one or more of the performance attributes exceeds a predetermined threshold value.

12. The method of claim 11, further comprising signaling a policy engine about the network event and evaluating policies for each active application flow to determine whether to perform a handover from a first network interface to a second network interface.

13. The method of claim 1, further comprising enabling service sharing and session mobility wherein enabling service sharing comprises providing service registration for maintaining registered services on the device, evaluating service requests, and performing flow migration to enable session mobility from one device to another device.

14. The method of claim 13, wherein providing service registration comprises:

receiving a service registration request for a service at a policy engine;

passing the service registration request to a service sharing manager;

registering the service in a service registration table in the service sharing manager; and

broadcasting the service to connected devices in parallel.

15. The method of claim 13, wherein evaluating service requests comprises:

receiving a service request for a service from an application at a policy engine;

passing the service request to a service sharing manager;

checking a service registration table in the service sharing manager for the service;

if the service is found in the service registration table, evaluating the service to determine if a service score is above a threshold value; and

notifying the application about the service if the service score is above the threshold value.

16. The method of claim 13, wherein performing flow migration comprises:

receiving a service migration request from an application at a policy engine;

passing the service migration request to a service sharing manager;

checking the service migration request and fetching device details from a service registration table in the service sharing manager;

initiating the flow migration to a second device with the service sharing manager;

synchronizing the flow at the device and the second device;

notifying the application of a migration result.

17. The method of claim 1, wherein the device is a network element selected from a group consisting of a server, a router, a switch, and a computing node with storage and networking capabilities.

18. The method of claim 17, further comprising receiving a service request at the network element, checking a service table for a service match, returning a service response if a match is found, and forwarding the service request if no match is found.

19. The method of claim 17, further comprising maintaining and updating the knowledge base for a plurality of devices.

20. The method of claim 19, further comprising using the knowledge base to proactively offer services to devices.

21. The method of claim 20, wherein the services comprise one or more of security measures that detect Distributed Denial of Service attacks, forensics for understanding security events, providing detailed behavior of UE in the network, location-based services, and service load-balancing.

22. The method of claim 1, further comprising:

enabling disruption tolerance support for applications, wherein the disruption tolerance support is provided when there is no network connectivity or if a policy enforces no network usage.

23. The method of claim 1, further comprising enabling service sharing across a plurality of devices, wherein the service sharing further comprises:

sharing, across the plurality of devices, application services and system services associated with hardware components of each of the plurality of devices, and wherein each service executing on a device is associated with a corresponding uniform resource identifier.

24. The method of claim 1, wherein the flow control decisions are performed using a policy engine, wherein the policy engine is distributed across a network comprising the device and wherein the policy engine performs the flow control decisions based on first information available at the device and second information from other network nodes in a service plane.

25. The method of claim 23, further comprising offloading execution of one or more application services to a cloud environment in the event one or more of the system parameters exceeds a threshold value.

26. The method of claim 24, further comprising offloading execution of one or more application services to a cloud environment for at least one or more of additional resources and application policy requirement.

27. The method of claim 1, further comprising using a learning algorithm to analyze stored data in the knowledge base to perform flow decisions.

28. The method of claim 27, wherein the learning algorithm comprises at least one of an artificial neural network based algorithm and a hidden Markov based algorithm.

29. A non-transitory computer-readable medium for operating a device in mobile environments containing computer-executable instructions that when executed cause one or more devices to perform a method for unified networking, the method comprising:

monitoring one or more active network interfaces for a plurality of infrastructure providers;

monitoring a location of the device;

managing network access security of the device;

managing system parameters for one or more active application sessions on the device, the system parameters including one or more of CPU, memory, storage, bandwidth, and battery usages for the one or more active application sessions;

maintaining a mapping for one or more flows corresponding to the one or more active application sessions, wherein the one or more flows are end-to-end connections between the device and a correspondent node associated with a destination flow identifier;

maintaining one or more policies for selecting from the plurality of infrastructure providers;

maintaining a knowledge base on the device comprising past network information for the device for the plurality of infrastructure providers including each system parameter of location and network cost, the knowledge base further comprising past network and system information including one or more of interface, time, bandwidth information, spectrum availability, system resource, latency, application specific policies, and system and network usage information;

generating a mapping of the plurality of infrastructure providers and their associated locations based on information available in the knowledge base; and

performing flow control decisions based on the one or more policies, the location of the device, and the mapping of the plurality of infrastructure providers and their associated locations.