Prioritizing network management traffic

• US 7,519,598 B2
• Filed: 03/17/2006
• Issued: 04/14/2009
• Est. Priority Date: 05/24/1999
• Status: Expired due to Fees

• Current Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Original Assignee: Cisco Technology, Inc. (Cisco Systems, Inc.)
• Inventors: Stewart, Robert L., Kavasseri, Ramanathan R., Durham, Sandra C.
• Primary Examiner(s): Woo; Isaac M
• Application Number:
  US11/378,591
• Publication Number:
  US 20060161519A1
• Time in Patent Office: 1,124 Days
• Field of Search: 707 1- 10, 707100-1041, 709223-226
• US Class Current: 1/1
• CPC Class Codes: H04L 41/0213 Standardised network management protocols, e.g. simple network management protocol [SNMP]

Abstract

In a computer network, network management applications in a network management station manage and control managed elements connected to the network through the use of network management requests. The network management requests are prioritized by the management station or the managed element. The managed element prioritizes received requests by pre-assigning priority values corresponding to user identification values included in the request or by pre-assigning priority values corresponding to source identification values included in the request. The management station prioritizes the network management requests by adding a priority value to each network management requests before sending the request to the managed element. The managed element extracts the priority value directly from the request or dependent on the user identification or source identification included in the request.

Claims

1. A computer readable storage medium containing instructions readable by a computer to configure the computer to prioritize a network management request sent by a management station to a managed element, comprising:

a priority assignment routine which upon receiving a network management request assigns a priority value to the received network management request, the priority value assigned in the managed element dependent upon a source identifier in a network management header included in the request, the source identifier identifying the source of an application from which the request was sent; and

a network management request routine which schedules the network management request in the managed element dependent on the assigned priority value.

2. The computer readable storage medium as claimed in claim 1 wherein the priority assignment routine further comprises:

a priority value assignment routine which adds a priority value to a source identification in a source identification table.

3. The computer readable storage medium as claimed in claim 2 wherein the network management routine further comprises:

a source identification extraction routine which extracts the source identification from the network management request; and

a priority value determination routine which determines the priority value using the extracted source identification to index the source identification table.

4. A computer readable storage medium containing instructions readable by a computer to configure the computer to prioritize a network management request sent by a management station to a managed element, comprising:

a priority assignment routine;

a network management request scheduler;

upon receiving a network management request, means, within the priority assignment routine, for assigning a priority value to the received network management request, the priority value assigned in the managed element dependent upon a source identifier in a network management wrapper included in the network management request, the source identifier identifying the source of an application from which the request was sent; and

means, within the network management request scheduler, for scheduling the network management request in the managed element dependent on the assigned priority value.

5. The computer readable storage medium as claimed in claim 4 further comprising means, within the priority assignment routine, for adding a priority value to a source identification in a source identification table.

6. The computer readable storage medium as claimed in claim 5 further comprising means, within the network management request scheduler, for extracting the source identification from the network management request and means for determining the priority value using the extracted source identification to index the source identification table.

7. A computer program product for prioritizing a network management request sent by a management station to a managed element, the computer program product comprising a computer usable medium having computer readable code thereon, including program code which:

upon receiving a network management request, assigns a priority value to the received network management request, the priority value assigned by the managed element dependent upon a source identifier in a network management header included in the request, the source identifier identifying the source of the application from which the request was sent; and

schedules the network management request in the managed element dependent on the assigned priority value.

8. A computer program product as claimed in claim 7 further including program code which adds a priority value to a source identification in a source identification table.

9. A computer program product as claimed in claim 8 further including program code which extracts the source identification from the network management request and determines the priority value using the extracted source identification to index the source identification table.

10. A method for prioritizing a network management request sent by a management station to a managed element, comprising:

upon receiving a network management request, assigning a priority value to the received network management request, the priority assigned by the managed element dependent upon a source identifier in a network management wrapper included in the request, the source identifier identifying the source of an application from which the request was sent; and

scheduling the network management request by the managed element dependent on the assigned priority value, including extracting the source identifier from the network management request and determining the priority value by using the extracted source identifier to index a source identification table.

11. The method as claimed in claim 10 wherein scheduling further comprises selecting the order of execution of the network management request dependent on the determined priority value.

12. The method as claimed in claim 11 wherein selecting further comprises preempting the currently executing task if the determined value for the management request is higher than the currently executing task.

13. The method as claimed in claim 11 wherein selecting further comprises adding the management request to the end of a request queue if the determined priority is lower than the priority of the tasks in the request queue.

14. The method as claimed in claim 11 wherein selecting further comprises adding the management request to the front of a request queue if the determined priority is higher than the priority of the tasks in the request queue.