Data processing method and apparatus

Patent metadata

Field	Value
Publication number	US-9913010-B2
Application number	US-201615257572-A
Country	US
Kind code	B2
Filing date	Sep 6, 2016
Priority date	Mar 6, 2014
Publication date	Mar 6, 2018
Grant date	Mar 6, 2018

Abstract

A data processing method and apparatus are provided, which relate to the communications field and can reduce a delay and energy consumption for data processing in a data exchange process of an optical network. A specific solution is: obtaining a to-be-processed optical data packet; obtaining an optical label from the to-be-processed optical data packet; determining, according to the optical label, whether an optical signal data frame is a data frame of a preset type; if the optical signal data frame is the data frame of the preset type, obtaining a port corresponding to a label destination address according to an optical label destination address and generating an optical switching instruction; and outputting the to-be-processed optical data packet through a target port according to the optical switching instruction. The data processing method and apparatus are used for data processing.

First claim

What is claimed is:

1. A data processing apparatus, comprising:
an obtaining unit, configured to obtain a to-be-processed optical data packet, wherein the to-be-processed optical data packet comprises an optical label and an optical signal data frame;
a control unit, configured to: obtain the optical label from the to-be-processed optical data packet obtained by the obtaining unit, and determine, according to the optical label, whether the optical signal data frame is a data frame of a preset type, wherein if the optical signal data frame is the data frame of the preset type, the optical label comprises a label destination address; and the control unit is further configured to: obtain a port corresponding to the label destination address according to the label destination address, and use the port corresponding to the label destination address as a target port and generate an optical switching instruction, wherein the optical switching instruction identifies the target port; and
an optical switching unit, configured to output the to-be-processed optical data packet through the target port according to the optical switching instruction generated by the control unit,
wherein if the optical signal data frame is not the data frame of the preset type, the control unit is further configured to generate an electrical switching instruction;
the data processing apparatus further comprises an electrical switching unit; wherein
the electrical switching unit is configured to: convert, according to the electrical switching instruction, the optical signal data frame into a corresponding electrical signal data frame by means of optical-to-electrical conversion; obtain a switching address from the electrical signal data frame; and output, according to the switching address, the electrical signal data frame through a port corresponding to the switching address.

2. The apparatus according to claim 1 , wherein:
the electrical switching unit is further configured to: parse the electrical signal data frame to obtain a Media Access Control (MAC) frame; and output, according to the MAC frame, the electrical signal data frame through a port corresponding to the MAC frame.

3. The apparatus according to claim 1 , wherein:
the control unit is further configured to search whether the optical label comprises a protocol frame identifier, wherein if the optical label comprises the protocol frame identifier, the optical signal data frame is a protocol frame and the optical signal data frame is not the data frame of the preset type.

4. The apparatus according to claim 1 , wherein:
the control unit is further configured to determine, from stored port occupancy information, whether the port corresponding to the label destination address is available, wherein if the port corresponding to the label destination address is unavailable, the optical signal data frame is not the data frame of the preset type; and the port occupancy information comprises an occupancy status of each port.

5. A data processing apparatus, comprising: a processor, a memory, and a bus, wherein the processor and the memory are connected to each other by the bus;
the processor is configured to obtain a to-be-processed optical data packet, wherein the to-be-processed optical data packet comprises an optical label and an optical signal data frame;
the processor is further configured to obtain the optical label from the to-be-processed optical data packet, and determine, according to the optical label, whether the optical signal data frame is a data frame of a preset type;
if the optical signal data frame is the data frame of the preset type, the optical label comprises a label destination address; the processor is further configured to: obtain a port corresponding to the label destination address according to the label destination address, and use the port corresponding to the label destination address as a target port and generate an optical switching instruction, wherein the optical switching instruction identifies the target port; and
the processor is further configured to output the to-be-processed optical data packet through the target port according to the optical switching instruction,
wherein if the optical signal data frame is not the data frame of the preset type, the processor is further configured to: generate an electrical switching instruction; convert, according to the electrical switching instruction, the optical signal data frame into a corresponding electrical signal data frame by means of optical-to-electrical conversion; obtain a switching address from the electrical signal data frame; and output, according to the switching address, the electrical signal data frame through a port corresponding to the switching address.

6. The apparatus according to claim 5 , wherein:
the processor is further configured to: parse the electrical signal data frame to obtain a Media Access Control (MAC) frame; and output, according to the MAC frame, the electrical signal data frame through a port corresponding to the MAC frame.

7. The apparatus according to claim 5 , wherein:
the processor is further configured to search whether the optical label comprises a protocol frame identifier, wherein if the optical label comprises the protocol frame identifier, the optical signal data frame is a protocol frame and the optical signal data frame is not the data frame of the preset type.

8. The apparatus according to claim 5 , wherein:
the processor is further configured to determine, from stored port occupancy information, whether the port corresponding to the label destination address is available, wherein if the port corresponding to the label destination address is unavailable, the optical signal data frame is not the data frame of the preset type; and the port occupancy information comprises an occupancy status of each port.

9. A data processing method, comprising:
obtaining a to-be-processed optical data packet, wherein the to-be-processed optical data packet comprises an optical label and an optical signal data frame;
obtaining the optical label from the to-be-processed optical data packet, and determining, according to the optical label, whether the optical signal data frame is a data frame of a preset type, wherein if the optical signal data frame is the data frame of the preset type, the optical label comprises a label destination address;
obtaining a port corresponding to the label destination address according to the label destination address, and using the port corresponding to the label destination address as a target port and generating an optical switching instruction, wherein the optical switching instruction identifies the target port; and
outputting the to-be-processed optical data packet through the target port according to the optical switching instruction;
if the optical signal data frame is not the data frame of the preset type, generating an electrical switching instruction;
converting, according to the electrical switching instruction, the optical signal data frame into a corresponding electrical signal data frame by means of optical-to-electrical conversion; and
obtaining a switching address from the electrical signal data frame, and outputting, according to the switching address, the electrical signal data frame through a port corresponding to the switching address.

10. The method according to claim 9 , wherein the obtaining a switching address from the electrical signal data frame, and outputting, according to the switching address, the electrical signal data frame through a port corresponding to the switching address comprises:
parsing the electrical signal data frame to obtain a Media Access Control (MAC) frame; and
outputting, according to t

Assignees

• Huawei Tech Co Ltd

Inventors

• Ma Huixiao
• Yang Xiaoling
• Wang Yan

Classifications

• H04Q2011/0064

  Arbitration, scheduling or medium access control aspects · CPC title

• H04Q11/0066 Primary

  Provisions for optical burst or packet networks · CPC title

• H04Q2011/0077

  Labelling aspects, e.g. multiprotocol label switching [MPLS], G-MPLS, MPAS · CPC title

• H04Q2011/0039

  Electrical control · CPC title

• H04Q11/0005

  Switch and router aspects · CPC title