Service Process Control Method and Network Device

• US 20150085866A1
• Filed: 12/02/2014
• Published: 03/26/2015
• Est. Priority Date: 06/03/2013
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Hasson, Uri, Tang, Shengjun, He, Jun
• Granted Patent: US 9,537,982 B2
• Time in Patent Office: Days
• US Class Current: 370/392
• 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 43/028 by filtering
• CPC Class Codes: H04L 45/74 Address processing for routing
• CPC Class Codes: H04L 47/20 Traffic policing
• CPC Class Codes: H04L 49/20 Support for services
• CPC Class Codes: H04L 61/5007 Internet protocol [IP] addresses
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 69/22 Parsing or analysis of headers
• CPC Class Codes: H04L 69/324 in the data link layer [OSI layer 2], e.g. HDLC

Abstract

A service process control method and a network device. The method includes: selecting, according to an execution policy of at least one service deployed on a network device, M data processing modules for processing a packet received by the network device, and determining a processing sequence for the selected M data processing modules to process the packet; and invoking the selected M data processing modules to sequentially process, according to the processing sequence, the packet. In the foregoing technical solutions of embodiments of the present invention, an execution sequence for a data processing module to process the packet is dynamically generated according to a policy set corresponding to the service, thereby reducing an unnecessary processing process and redundant information collection in a service execution procedure, improving service processing flexibility, and enhancing overall performance of the device.

Claims

1. A service process control method in a network device, wherein the network device comprises N data processing modules, and wherein each data processing module is configured to collect information of one dimension of a packet received by the network device, the method comprising:

selecting, according to an execution policy of at least one service deployed on the network device, M data processing modules for processing a packet received by the network device;

determining a processing sequence for the selected M data processing modules to process the packet, wherein N is greater than or equal to M, wherein M and N are both positive integers, wherein an execution policy of each service comprises at least one service rule, wherein each service rule comprises a condition and an action, and wherein matching of each service rule at least depends on information of one dimension of the packet;

invoking the selected M data processing modules to process the packet according to the processing sequence;

performing, according to all information of the packet that is collected by the M data processing modules, matching for all service rules that are part of the execution policy of the at least one service, so as to determine a successfully matched service rule; and

executing an action corresponding to the successfully matched service rule.

2. The method according to claim 1, wherein the selecting M data processing modules for processing the packet received by the network device comprises:

extracting a condition from all service rules that are part of the execution policy of the at least one service;

determining all dimension information of the packet required to be used to determine whether the extracted condition is met; and

determining, according to all the determined dimension information, the M data processing modules required for collecting all the dimension information.

3. The method according to claim 1, wherein determining the processing sequence for the selected M data processing modules to process the packet comprises determining, according to a dependence relationship between the M data processing modules, the processing sequence for the M data processing modules to process the packet.

4. The method according to claim 1, wherein the method further comprises generating a first list that is used to represent the processing sequence for the M data processing modules to process the packet, wherein the first list comprises identifications of the M data processing modules, wherein the identifications of the M data processing modules in the first list are sorted according to the determined processing sequence, and wherein the invoking the selected M data processing modules to sequentially process, according to the processing sequence, the packet comprises:

sequentially invoking data processing modules corresponding to the first P data processing module identifications in the first list to process the packet so as to obtain information of P dimensions of the packet, wherein P is a positive integer; and

sequentially invoking (M-P) data processing modules corresponding to (M-P) data processing module identifications that are in the first list and after the first P data processing module identifications to process the packet so as to obtain information of at least one dimension of the packet.

5. The method according to claim 4, wherein after sequentially invoking data processing modules corresponding to the first P data processing module identifications in the first list to process the packet, the method further comprises:

reselecting, according to the information of the P dimensions, one or more data processing modules from the (M-P) data processing modules for processing the packet;

determining a processing sequence for the reselected data processing modules to process the packet; and

updating the first list, so as to indicate the processing sequence for the reselected data processing modules to process the packet,

wherein an updated first list comprises identification of the reselected data processing modules,

wherein identification of the reselected data processing modules is sorted in the updated first list according to the determined processing sequence, and

wherein sequentially invoking the data processing modules corresponding to the (M-P) data processing module identifications that are in the first list comprises sequentially invoking, according to the updated first list, the reselected data processing modules to process the packet so as to obtain the information of the at least one dimension of the packet.

6. The method according to claim 1, wherein the execution policy of each service further comprises a preset configuration rule, wherein the configuration rule is used to represent an execution condition of the service, and wherein the method further comprises:

obtaining characteristic information of the packet;

determining, according to the characteristic information, whether an execution condition of each service deployed on the network device is met; and

determining that a service whose execution condition is met is a service that needs to be executed, and

wherein selecting M data processing modules for processing a packet received by the network device, and determining a processing sequence for the selected M data processing modules to process the packet comprises;

selecting, according to the execution policy of the service that is determined and needs to be executed, the M data processing modules for processing the packet received by the network device; and

determining the processing sequence for the selected M data processing modules to process the packet.

7. The method according to claim 6, wherein the characteristic information of the packet comprises at least one of:

a timestamp of the packet, a uniform resource locator (URL) carried in the packet, and an Internet Protocol (IP) address and port information of a receiving end of the packet.

8. A network device, comprising:

a processor; and

a non-transitory processor-readable medium having processor-executable instructions stored thereon, the processor-executable instructions including a plurality of units, the units including;

a transceiver module, a list generating module, a scheduling module, and N data processing modules, wherein N is a positive integer, wherein each data processing module is configured to collect information of one dimension of a packet, wherein the transceiver module is configured to receive a packet, and wherein the list generating module is configured to;

select, according to an execution policy of at least one service deployed on the network device, M data processing modules for processing the packet received by the transceiver module; and

determine a processing sequence for the selected M data processing modules to process the packet, wherein M is a positive integer, M is less than or equal to N, an execution policy of each service comprises at least one service rule, each service rule comprises a condition and an action,

wherein matching of each service rule at least depends on information of one dimension of the packet, and

wherein the scheduling module is configured to;

invoke the M data processing modules selected by the list generating module to sequentially process, according to the processing sequence, the packet, so as to obtain information of at least one dimension of the packet;

perform, according to the information of the at least one dimension of the packet, matching for all service rules that are part of the execution policy of the at least one service, so as to determine a successfully matched service rule; and

execute an action corresponding to the successfully matched service rule.

9. The network device according to claim 8, wherein the list generating module comprises:

an extracting unit configured to extract a condition from all service rules that are part of the execution policy of the at least one service and determine all dimension information of the packet required to be used to determine whether the extracted condition is met;

a selecting unit configured to select, according to all the dimension information that is determined by the extracting unit, the M data processing modules required for collecting all the dimension information; and

a sorting unit configured to determine, according to a dependence relationship between the M data processing modules selected by the selecting unit, the processing sequence for the M data processing modules to process the packet.

10. The network device according to claim 8, wherein the list generating module further comprises a list generating unit configured to generate a first list that is used to represent the processing sequence for the M data processing modules that are determined by the sorting unit and process the packet, wherein the first list comprises identifications of the M data processing modules, wherein the identifications of the M data processing modules in the first list are sorted according to the processing sequence, and wherein the scheduling module comprises:

a first scheduling unit configured to sequentially invoke data processing modules corresponding to the first P data processing module identifications in the first list to process the packet, so as to obtain the information of the at least one dimension of the packet wherein P is a positive integer; and

a second scheduling unit configured to sequentially invoke (M-P) data processing modules corresponding to (M-P) data processing module identifications that are in the first list and are after the first P data processing module identifications to process the packet so as to obtain the information of the at least one dimension of the packet.

11. The network device according to claim 10, wherein the list generating module is further configured to:

reselect, according to the information of the at least one dimension of the packet, one or more data processing modules from the (M-P) data processing modules for processing the packet after the first scheduling unit invokes the data processing modules corresponding to the first P data processing module identifications in the first list to process the packet, so as to obtain the information of the at least one dimension of the packet;

determine a processing sequence for the reselected data processing modules to process the packet; and

update the first list so as to indicate the processing sequence for the reselected data processing modules to process the packet,

wherein an updated first list comprises an identification of the reselected data processing module,

wherein identification of the reselected data processing module is sorted in the updated first list according to the determined processing sequence, and

wherein the second scheduling unit is configured to sequentially invoke, according to the updated first list, the reselected data processing module to process the packet so as to obtain the information of the at least one dimension of the packet.

12. The network device according to claim 8, wherein the execution policy of each service further comprises a preset configuration rule, wherein the configuration rule is used to represent an execution condition of the service, wherein the network device further comprises an identifying module configured to:

obtain characteristic information of the packet;

determine, according to the characteristic information, whether an execution condition of each service deployed on the network device is met; and

determine that a service whose execution condition is met is a service that needs to be executed, and wherein the list generating module is configured to select, according to the execution policy of the service that is identified by the identifying module and needs to be executed, the M data processing modules for processing the packet received by the transceiver module; and

determine the processing sequence for the selected M data processing modules to process the packet.

13. The method according to claim 12 wherein the characteristic information of the packet comprises at least one of:

a timestamp of the packet, a uniform resource locator (URL) carried in the packet, and an Internet Protocol (IP) address and port information of a receiving end of the packet.