System and Method for Aggregating and Estimating the Bandwidth of Multiple Network Interfaces

• US 20130182601A1
• Filed: 12/07/2011
• Published: 07/18/2013
• Est. Priority Date: 02/02/2011
• Status: Abandoned Application

• Current Assignee: TATA Consultancy Services Limited (Tata Sons Pvt Ltd.)
• Original Assignee: TATA Consultancy Services Limited (Tata Sons Pvt Ltd.)
• Inventors: Bandyopadhyay, Soma, Nadaf, Shameemraj M.
• Application Number:
  US13/876,550
• Publication Number:
  US 20130182601A1
• Time in Patent Office: Days
• US Class Current: 370/252
• CPC Class Codes: H04L 41/0896 Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities flow or congestion control using dynamic resource allocation, e.g. in-call renegotiation, H04L47/76
• CPC Class Codes: H04L 45/245 Link aggregation, e.g. trunking
• CPC Class Codes: H04L 45/70 Routing based on monitoring results
• CPC Class Codes: Y02D 30/50 in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

The present invention provides a system and method for aggregating and estimating the bandwidth of the multiple network interfaces. Particularly, the invention provides a cross layer system for bandwidth aggregation based on dynamic analysis of network conditions. Further, the invention provides a system and method of estimation for evaluating bandwidth of multiple physical interfaces.

Claims

1. ) A method for aggregating and estimating the available bandwidth of multiple physical interfaces using a network driver module, wherein the said method comprises the processor implemented steps of:

a) creating a virtual physical interface for encapsulating at least one existing physical interface;

b) enhancing the bandwidth by adding up available bandwidths of the active multiple physical interfaces;

c) estimating the available bandwidth of each of physical interface dynamically at predefined time intervals;

d) estimating the network channel condition of existing physical interfaces; and

e) distributing the data packets to multiple physical interfaces based on the estimated network channel condition.

2. ) A method as claimed in claim 1, wherein the network driver module estimates the network channel condition for bandwidth aggregation using a probe packet mechanism.

3. ) A method as claimed in claim 1, wherein the network driver module measures the network channel condition by using a predefined interne control message protocol echo packet.

4. ) A method as claimed in claim 1, wherein the network driver module creates a virtual physical interface and the created virtual physical resides as the only default entry in the routing table.

5. ) A method as claimed in claim 1, wherein the network driver module replaces own IP address with IP address of the corresponding active interface for transmission of the data to the interface.

6. ) A method as claimed in claim 1, wherein the network driver module replaces IP address of the corresponding active interface with its own IP address for sending the data to the application.

7. ) A method as claimed in claim 1, wherein the said method enables the analysis for the transport header statistic to perform the bandwidth estimation.

8. ) A method as claimed in claim 1, wherein the said method can be configured to operate in aggregation mode or in aggregation combination with estimation mode.

9. ) A method as claimed in claim 1, wherein the said method characterized in that it does not require any proxy to perform bandwidth aggregation and estimation.

10. ) A method as claimed in claim 1, wherein the said method characterized in that it does not require any counter component, or corresponding module at the destination or end system.

11. ) A method as claimed in claim 1, wherein the said method characterized in that it does not require any service level agreement.

12. ) A system for aggregating and estimating the bandwidth of the multiple physical interfaces, wherein the said system comprises:

a) at least one network driver module for aggregating and estimating the bandwidth of the multiple physical interfaces;

b) a user space of the network driver module for receiving the user defined input;

c) physical interface connected with the network driver module for data transmission and estimation; and

d) at least two physical interfaces connected with the network driver module for aggregating and estimating their bandwidths.

13. ) A system as claimed in claim 12, wherein the network driver module replaces own IP address with IP address of the corresponding active interface for transmission of the data to the interface.

14. ) A system as claimed in claim 12, wherein the network driver module replaces IP address of the corresponding active interface with its own IP address for sending the data to the application layer.

15. ) A system as claimed in claim 12, wherein the network driver module estimates the network channel condition for bandwidth aggregation by using a probe packet mechanism.

16. ) A system as claimed in claim 12, wherein the network driver module measures the network channel condition by using a predefined interne control message protocol echo packet.

17. ) A system as claimed in claim 12, wherein the said system enables the analysis for the transport header statistic to perform the bandwidth estimation.

18. ) A system as claimed in claim 12, the said system takes the average of Round Trip Time (RTTs) obtained from both ICMP echo packet and transport header statistics to perform the network estimation.