Granted Patent B2

US 6,981,280 · App. 09/895,499 · Granted Dec 27, 2005

Abstract

Claims (91)

1. A scanning method, comprising:

a) receiving data at a network element;

b) identifying a load on the network element; and

c) conditionally scanning the data at the network element based on the load on the network element;

wherein an amount of scanning completed at the network element is a function of the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

2. The method as recited in claim 1 , wherein the network element includes a gateway.

3. The method as recited in claim 1 , wherein the load includes a backlog of data to be scanned at the network element.

4. The method as recited in claim 1 , wherein the data is completely scanned at the network element if the load on the network element is less than the predetermined amount.

5. The method as recited in claim 1 , and further comprising storing a status of the scanning at the network element.

6. The method as recited in claim 5 , wherein an additional network element conditionally scans the data based on the status.

7. The method as recited in claim 6 , wherein the additional network element includes a server.

8. A computer program product embodied on a computer readable medium for scanning, comprising:

a) computer code for receiving data at a network element;

b) computer code for identifying a current load on the network element; and

c) computer code for conditionally scanning the data at the network element based on the load on the network element;

wherein an amount of scanning completed at the network element is a function of the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

9. A scanning system, comprising:

a) means for receiving data at a network element;

b) means for identifying a current load on the network element; and

c) means for conditionally scanning the data at the network element based on the load on the network element;

wherein an amount of scanning completed at the network element is a function of the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

10. A scanning method, comprising:

a) receiving data at a network element;

b) determining whether there is a request for the data and identifying a load on the network element;

c) conditionally scanning the data at the network element based on whether there is a request for the data and the load on the network element; and

d) transmitting the data in response to the request;

wherein an amount of scanning completed at the network element is a function of whether there is a request for the data and the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

11. The method as recited in claim 10 , wherein the network element includes a server.

12. The method as recited in claim 10 , wherein the request for the data is received from a user device.

13. The method as recited in claim 10 , wherein the data is partially scanned at the network element if it is determined that there is a request for the data.

14. The method as recited in claim 13 , wherein the data is completely scanned at the network element if it is determined that there is not a request for the data.

15. The method as recited in claim 10 , and further comprising storing a status of the scanning at the network element.

16. The method as recited in claim 15 , wherein an additional network element conditionally scans the data based on the status.

17. A computer program product embodied on a computer readable medium for scanning, comprising:

a) computer code for receiving data at a network element;

b) computer code for determining whether there is a request for the data;

c) computer code for conditionally scanning the data at the network element based on whether there is a request for the data and a load on the network element; and

d) computer code for transmitting the data in response to the request;

wherein an amount of scanning completed at the network element is a function of whether there is a request for the data and the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

18. A scanning system, comprising:

a) means for receiving data at a network element;

b) means for determining whether there is a request for the data;

c) means for conditionally scanning the data at the network element based on whether there is a request for the data and a load on the network element; and

d) means for transmitting the data in response to the request;

wherein an amount of scanning completed at the network element is a function of whether there is a request for the data and the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

19. A scanning method, comprising:

a) receiving data at a network element;

b) determining an extent to which the data was previously scanned by another network element and identifying a load on the network element;

c) conditionally scanning the data at the network element based on the extent to which the data was previously scanned by another network element and the load on the network element;

wherein an amount of scanning completed at the network element is a function of the extent to which the data was previously scanned by another network element and the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

20. The method as recited in claim 19 , wherein the network element includes a user device.

21. The method as recited in claim 19 , wherein an amount of scanning completed at the network element is a function of the extent to which the data was previously scanned by another network element.

22. The method as recited in claim 21 , wherein an amount of scanning completed at the network element is sufficient to complete an entirety of the scanning.

23. The method as recited in claim 21 , wherein the extent to which the data was previously scanned by another network element is identified in a log accessible by the network element.

24. The method as recited in claim 19 , and further comprising storing a status of the scanning at the network element.

25. The method as recited in claim 24 , wherein an additional network element conditionally scans the data based on the status.

26. A computer program product embodied on a computer readable medium for scanning, comprising:

a) computer code for receiving data at a network element;

b) computer code for determining an extent to which the data was previously scanned by another network element;

c) computer code for conditionally scanning the data at the network element based on the extent to which the data was previously scanned by another network element and a load on the network element;

wherein an amount of scanning completed at the network element is a function of the extent to which the data was previously scanned by another network element and the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

27. A scanning system, comprising:

a) means for receiving data at a network element;

b) means for determining an extent to which the data was previously scanned by another network element;

c) means for conditionally scanning the data at the network element based on the extent to which the data was previously scanned by another network element and a load on the network element;

wherein an amount of scanning completed at the network element is a function of the extent to which the data was previously scanned by another network element and the load on the network element;

wherein the data is partially scanned at the network element if the load on the network element is greater than a predetermined amount.

28. A method for efficient scanning, comprising:

a) receiving data from a network at a gateway coupled between a network and at least one data server;

b) identifying a backlog of data to be scanned in the gateway;

c) if the backlog is greater than a predetermined amount, performing a partial scan utilizing a gateway scanner at the gateway;

d) if the backlog is less than the predetermined amount, performing a complete scan utilizing the gateway scanner at the gateway;

e) storing a first status of the scanning performed utilizing the gateway scanner in a database coupled to the gateway scanner;

f) passing the data from the gateway scanner to the data server coupled thereto;

g) reading the first status from the database utilizing a data server scanner at the data server;

h) determining whether there is a request for the data from at least one user device coupled to the data server;

i) if it is determined that there is a request for the data from the user device, performing a partial scan on the data;

j) storing a second status of the scanning performed utilizing the data server scanner in the database which is coupled thereto;

k) transmitting the data to the user device;

l) reading the second status from the database utilizing a user device scanner at the user device;

m) determining whether the scanning of the data is complete based on the first status and the second status; and

n) if it is determined that the scanning of the data is not complete, completing the scanning of the data utilizing the user device scanner at the user device.

29. The method as recited in claim 28 , and farther comprising storing a third status of the scanning performed utilizing the user device scanner in the database which is coupled thereto.

Assignments (9)