Link analysis method and system

• US 7,796,529 B2
• Filed: 08/18/2005
• Issued: 09/14/2010
• Est. Priority Date: 08/28/2004
• Status: Active Grant

• Current Assignee: Streamaware LLC
• Original Assignee: Streamaware LLC
• Inventors: Chenard, Jesse, McLane, Nicole, McLane, Brian R.
• Primary Examiner(s): Yao; Kwang B
• Assistant Examiner(s): Lai; Andrew
• Application Number:
  US11/206,370
• Publication Number:
  US 20060083165A1
• Time in Patent Office: 1,853 Days
• Field of Search: 370/229, 370/230, 370/230.1, 370231-235, 370/241, 370/237, 370/238, 370/252, 370/253, 370/254, 370/248, 702/57, 702/79, 702/124
• US Class Current: 370/248
• CPC Class Codes: H04L 41/22 comprising specially adapted graphical user interfaces [GUI]
• CPC Class Codes: H04L 41/5009 Determining service level performance parameters or violations of service level contracts, e.g. violations of agreed response time or mean time between failures [MTBF]
• CPC Class Codes: H04L 43/06 Generation of reports
• CPC Class Codes: H04L 43/0811 by checking connectivity
• CPC Class Codes: H04L 43/0852 Delays
• CPC Class Codes: H04L 43/0858 One way delays
• CPC Class Codes: H04L 43/0894 Packet rate
• CPC Class Codes: H04L 43/10 Active monitoring, e.g. heartbeat, ping or trace-route
• CPC Class Codes: H04L 43/16 Threshold monitoring
• CPC Class Codes: H04L 43/50 Testing arrangements
• CPC Class Codes: H04L 43/55 Testing of service level quality, e.g. simulating service usage
• CPC Class Codes: H04L 67/61 taking into account QoS or priority requirements

Abstract

A method and computer program product for performing a latency analysis to determine one or more latency statistics for one or more network links within a distributed computing network. The one or more latency statistics are compared to one or more benchmark latency criteria to determine if at least one of the network links is a latency-compatible network link. If at least one of the network links is a latency-compatible network link, at least one additional network analysis is performed on at least one of the latency-compatible network links.

Claims

1. A method comprising:

performing a latency analysis to determine one or more latency statistics for one or more network links within a distributed computing network;

comparing the one or more latency statistics to one or more benchmark latency criteria to determine if at least one of the network links is a latency-compatible network link;

if at least one of the network links is a latency-compatible network link, performing at least one additional network analysis on at least one of the latency-compatible network links to determine whether each of a plurality of logical servers are accessible through a respective port and to determine a data transfer rate statistic for the respective port; and

generating a report that comprises at least the data transfer rate statistic for the plurality of respective ports.

2. The method of claim 1 further comprising:

storing at least one of the one or more latency statistics on a remote data store accessible via the distributed computing network.

3. The method of claim 1 wherein performing at least one additional network analysis comprises performing a data transfer rate analysis to determine a link data transfer rate for discrete portions of at least one of the latency-compatible network links.

4. The method of claim 3 further comprising performing a network route analysis to determine one or more link portion contributions to the link latency statistics.

5. The method of claim 1 wherein said latency analysis comprises determining a latency for a plurality of different portions of the network link within the distributed computing network, and reporting a respective contribution of at least one respective portion to the latency statistics.

6. The method of claim 1 further comprising:

storing the link data transfer rate on a remote data store accessible via the distributed computing network.

7. The method of claim 1 further comprising modifying at least one network device within the distributed computing network to alter the latency statistics.

8. The method of claim 7 further comprising:

storing at least one of the one or more port availability statistics on a remote data store accessible via the distributed computing network.

9. The method of claim 1 further comprising:

if at least one of the network links is a latency-incompatible network link, performing a network route analysis to analyze one or more discrete portions of at least one of the latency incompatible network links; and

effectuating a corrective measure that results in the network link becoming latency-compatible.

10. The method of claim 9 wherein:

the one or more benchmark latency criteria comprises an overall maximum allowable latency; and

the latency-incompatible network link is a network link in which at least one of the one or more latency statistics exceeds a predetermined maximum latency.

11. The method of claim 1 further comprising:

generating a report that defines one or more streaming-compatible network links for a predetermined data stream, and one or more streaming incompatible links, wherein the one or more streaming-compatible network links are chosen from the one or more network links within a distributed computing network that are latency compatible, have a data transfer rate statistic that exceeds a benchmark data transfer rate criteria, and has accessibility for a respective port associated with the predetermined data stream.

12. The method of claim 11 wherein the report comprises one or more of:

the one or more latency statistics;

a link data transfer rate for at least a portion of at least one of the latency-compatible network links; and

one or more port availability statistics for a data path between a test site on the distributed computing network and one or more data ports within a server device coupled through at least one of the latency-compatible network links.

13. A computer program product residing on a non-transitory computer readable computer readable medium having a plurality of instructions stored thereon which, when executed by a processor, cause that processor to:

perform a latency analysis to determine one or more latency statistics for one or more network links within a distributed computing network;

compare the one or more latency statistics to one or more benchmark latency criteria to determine if at least one of the network links is a latency-compatible network link;

if at least one of the network links is a latency-compatible network link, perform at least one additional network analysis on at least one of the latency-compatible network links to determine whether each of a plurality of logical servers are accessible through a respective port and to determine a data transfer rate statistic for the respective port; and

generate a report that comprises at least the data transfer rate statistic for the plurality of respective ports.

14. The computer program product of claim 13 further comprising instructions for:

storing at least one of the one or more latency statistics on a remote data store accessible via the distributed computing network.

15. The computer program product of claim 13 wherein the instructions for performing at least one additional network analysis comprise instructions for:

performing a data transfer rate analysis to determine a link data transfer rate for discrete portions of at least one of the latency-compatible network links.

16. The computer program product of claim 15 wherein the instructions for performing a data transfer rate analysis comprise instructions for performing a network route analysis to determine one or more link portion contributions to the link latency statistics.

17. The computer program product of claim 15 further comprising instructions for:

comparing the link data transfer rate for a selected portion of the distributed computing network to a benchmark data transfer rate to determine if the selected portion of at least one of the latency-compatible network links has an acceptable data transfer rate.

18. The computer program product of claim 13 further comprising instructions for:

storing the link data transfer rate on a remote data store accessible via the distributed computing network.

19. The computer program product of claim 13 wherein the instructions for performing at least one additional network analysis comprise instructions for:

performing a port connectivity analysis to determine port availability statistics for a plurality of data ports within a server device coupled to at least one of the latency compatible network links.

20. The computer program product of claim 19 further comprising instructions for:

storing at least one of the one or more port availability statistics on a remote data store accessible via the distributed computing network.

21. The computer program product of claim 13 further comprising instructions for:

if at least one of the network links is a latency-incompatible network link, performing a network route analysis to analyze one or more discrete portions of at least one of the latency incompatible network links.

22. The computer program product of claim 13 further comprising instructions for:

generating a report that defines one or more streaming-compatible network links for a predetermined data stream, and one or more streaming incompatible links, wherein the one or more streaming-compatible network links are chosen from the one or more network links within a distributed computing network that are latency compatible, have a data transfer rate statistic that exceeds a benchmark data transfer rate criteria, and has accessibility for a respective port associated with the predetermined data stream.

23. The computer program product of claim 22 wherein the report comprises one or more of:

the one or more latency statistics;

a link data transfer rate for at least a portion of at least one of the latency-compatible network links; and

one or more port availability statistics for a data path between a test site on the distributed computing network and one or more data ports within a server device coupled through at least one of the latency-compatible network links.

24. An apparatus, comprising:

a network interface to a distributed computing network;

a time base; and

a processor, adapted to;

perform a latency analysis for a communications path between the network interface and a remote server through the distributed computing network, the distributed computing network having a plurality of network links, each network link having an associated latency, to determine one or more latency statistics for the plurality of network links;

compare the determined one or more latency statistics to one or more benchmark latency criteria to determine if at least one network link in the communications path is latency-compatible;

perform at least one additional network analysis only on latency-compatible network links and determine therefrom whether each of a plurality of logical servers coupled to the network link are accessible through a respective port,

determine a data transfer rate statistic for the respective port; and

generate a report comprising at least the data transfer rate statistic for the plurality of respective ports.

25. The apparatus according to claim 24,

wherein the determined one or more latency statistics is compared to one or more benchmark latency criteria to determine if each of a plurality of network links in the communications path are latency-compatible, the processor being further adapted to determine at least that a first of the plurality of network links is latency compatible and a second of the plurality of network links is not latency compatible, the report defining one or more streaming-compatible network links for a predetermined data stream, and one or more streaming incompatible links, wherein the one or more streaming-compatible network links are chosen from the one or more network links within a distributed computing network that are latency compatible, have a data transfer rate statistic that exceeds a benchmark data transfer rate criteria, and has accessibility for a respective port associated with the predetermined data stream,

the report comprising one or more latency statistics;

a link data transfer rate for at least a portion of at least one of the latency-compatible network links; and

one or more port availability statistics for a data path between a test site on the distributed computing network and one or more data ports within a server device coupled through at least one of the latency-compatible network links; and

wherein the processor is adapted to;

perform a port connectivity analysis to determine port availability statistics for a plurality of data ports within a server device coupled to at least one of the latency compatible communication paths; and

perform an analysis to determine a respective contribution of each link portions within a network link to the latency of the network link and a data transfer rate analysis to determine a link portion data transfer rate for discrete portions of the network link.

26. The apparatus according to claim 24, wherein the processor is further adapted to:

cause an interface screen to be displayed, the interface screen comprising a list of a plurality of remote servers in the distributed network that are available to receive streaming media content and a list of a plurality of streaming media content types that can be uploaded to the respective remote servers, each of the items on the lists being individually selectable;

receive a selection of at least one server in the distributed network and a selection of a plurality of streaming media content types;

identify for the selected server a first port associated with a first logical server that is accessed for a first media content type selected and a second port associated with a second logical server that is accessed for a second media content type selected;

determine that the first of the plurality of network links has an acceptable data transfer rate;

perform the at least one additional network analysis only on network links having the acceptable data transfer rate; and

generate a report indicating at least port accessibly for the plurality of respective ports.