Data scheduling and switching method, apparatus, system

Patent metadata

Field	Value
Publication number	US-10313768-B2
Application number	US-201514874358-A
Country	US
Kind code	B2
Filing date	Oct 2, 2015
Priority date	Apr 3, 2013
Publication date	Jun 4, 2019
Grant date	Jun 4, 2019

Abstract

Embodiments of the present invention relate to the communications field, and in particular, to a data scheduling and switching method, apparatus, and system. A data packet is distributed to an optical switching unit or an electrical switching unit for switching by using a control policy. The data packet may be switched by using an electrical packet switching module of the data switching apparatus, or may be switched by using an optical packet switching module.

First claim

What is claimed is:

1. A data scheduling method, wherein the method comprises:
receiving a data packet, wherein the data packet carries control information, wherein the control information comprises routing information of the data packet and a packet length of the data packet;
determining, according to the packet length of the data packet, whether to perform optical switching or perform electrical switching on the data packet, wherein determining whether to perform the optical switching or perform the electrical switching on the data packet comprises determining to perform the optical switching on the data packet when the packet length of the data packet is greater than or equal to a packet length threshold, and determining to perform the electrical switching on the data packet when the packet length of the data packet is less than the packet length threshold;
implementing control of the optical switching on the data packet according to the routing information of the data packet when it is determined to perform the optical switching on the data packet; and
implementing control of the electrical switching on the data packet according to the routing information of the data packet when it is determined to perform the electrical switching on the data packet.

2. The method according to claim 1 , wherein the method further comprises sending a second data packet obtained after the optical switching or the electrical switching, wherein the optical switching and the electrical switching are completed under control implemented according to the routing information of the data packet.

3. A data scheduling apparatus, comprising:
a receiver;
a processor; and
a controller;
wherein the receiver is configured to receive a data packet, and to send the data packet to the processor;
wherein the processor is configured to:
receive the data packet sent by the receiver, wherein the data packet carries control information, wherein the control information comprises routing information of the data packet and a packet length of the data packet; and
determine, according to the packet length of the data packet, whether optical switching or electrical switching is to be performed on the data packet, wherein determining whether the optical switching or the electrical switching is to be performed on the data packet comprises determining that the optical switching is to be performed on the data packet when the packet length of the data packet is greater than or equal to a packet length threshold, and determining that the electrical switching is to be performed on the data packet when the packet length of the data packet is less than the packet length threshold; and

wherein the controller control unit is configured to:
implement control of the optical switching on the data packet according to the routing information of the data packet when the processor determines that the optical switching is to be performed on the data packet; and
implement control of the electrical switching on the data packet according to the routing information of the data packet when it is determined to perform the electrical switching on the data packet.

4. The apparatus according to claim 3 , further comprising a transmitter, wherein the transmitter is configured to send a second data packet obtained after the optical switching or the electrical switching, and wherein the optical switching and the electrical switching are completed under control implemented by the controller according to the routing information of the data packet.

5. The apparatus according to claim 3 , further comprising an electrical switch, configured to perform the electrical switching on the data packet, wherein the controller is configured to control, according to the routing information of the data packet, the electrical switch to perform the electrical switching on the data packet when it is determined to perform the electrical switching on the data packet.

6. The apparatus according to claim 3 , further comprising an optical switch configured to perform the optical switching on the data packet, wherein the controller is configured to control, according to the routing information of the data packet, the optical switch to perform the optical switching on the data packet when it is determined to perform the optical switching on the data packet.

7. The apparatus according to claim 3 , wherein the controller is configured to extract a data frame from the data packet, to encapsulate the data frame into an optical packet, and to implement control of the optical switching on the optical packet according to the routing information of the data packet, when it is determined to perform the optical switching on the data packet.

8. A data switching apparatus, the data switching apparatus comprising:
a plurality of first input ports;
a plurality of first output ports;
a data packet distribution and scheduling unit; and
an electrical switching unit;
wherein the data packet distribution and scheduling unit is connected to a first input port of the data switching apparatus and is configured to receive a data packet through the first input port of the data switching apparatus, wherein the data packet carries control information, and the data packet distribution and scheduling unit is further configured to determine, according to the control information, whether optical switching or electrical switching is to be performed on the data packet, and wherein the data packet distribution and scheduling unit is further connected to a second input port of the electrical switching unit, so as to send, to the electrical switching unit, the data packet on which electrical switching is determined to be performed;
wherein the electrical switching unit is configured to perform the electrical switching on the data packet sent by the data packet distribution and scheduling unit, the electrical switching unit comprising a plurality of second input ports, configured to receive the data packet sent by the data packet distribution and scheduling unit, and a plurality of second output ports connected to the data packet distribution and scheduling unit, and is configured to send a data packet obtained after the electrical switching to the data packet distribution and scheduling unit; and
wherein the data packet distribution and scheduling unit is further connected to a first output port of the data switching apparatus, and is configured to receive the data packet that is obtained after the electrical switching and sent by the electrical switching unit, and to send, through the connected first output port of the data switching apparatus, the data packet obtained after the electrical switching.

9. The apparatus according to claim 8 , the apparatus further comprising an optical switching unit, wherein:
the data packet distribution and scheduling unit is further connected to a third input port of the optical switching unit, so as to send, to the optical switching unit, the data packet on which the optical switching is determined to be performed;
the optical switching unit is configured to perform the optical switching on the data packet sent by the data packet distribution and scheduling unit, the optical switching unit comprising a plurality of third input ports, configured to receive the data packet sent by the data packet distribution and scheduling unit, and a plurality of third output ports connected to the data packet distribution and scheduling unit and configured to send a data packet obtained after the optical switching to the data packet distribution and scheduling unit; and
the data packet distribution and scheduling unit is further configured to receive the data packet that is obtained after the optical switching and sent by the optical

Assignees

• Huawei Tech Co Ltd

Inventors

• Yang Xiaoling
• Geng Dongyu
• Ma Huixiao

Classifications

• H04Q2011/0039

  Electrical control · CPC title

• H04Q2011/0064

  Arbitration, scheduling or medium access control aspects · CPC title

• H04Q11/0062

  Network aspects · CPC title

• H04Q11/0005 Primary

  Switch and router aspects · CPC title

• H04Q2011/0094

  Star · CPC title