DATA SHUNTING METHOD, DATA TRANSMISSION DEVICE, AND SHUNTING NODE DEVICE

• US 20150134769A1
• Filed: 01/23/2015
• Published: 05/14/2015
• Est. Priority Date: 07/25/2012
• 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: JIANG, Yi, QUAN, Wei, GUO, Xiaolong, HUANG, Qufang, CAO, Zhenzhen, WANG, Yu
• Granted Patent: US 10,630,801 B2
• Time in Patent Office: Days
• US Class Current: 709/213
• CPC Class Codes: H04L 47/30 in combination with information about buffer occupancy at either end or at transit nodes
• CPC Class Codes: H04L 67/568 Storing data temporarily at an intermediate stage, e.g. caching
• CPC Class Codes: H04W 72/12 Wireless traffic scheduling

Abstract

Embodiments of the present invention relate to a data shunting method, a data transmission device and a shunting node device, the data shunting method provided in the embodiments of the present invention includes: acquiring the number of to-be-transmitted shunted data packets which are cached in the shunting node device; when the number of the to-be-transmitted shunted data packets is less than a first threshold value, transmitting shunted data to the shunting node device, otherwise, not transmitting the shunted data to the shunting node device. The data shunting method provided in the embodiments of the present invention enables the data transmission device to provide the shunting node device with an appropriate shunted data rate.

Claims

1. A data shunting method, comprising:

acquiring total size or the number of to-be-transmitted shunted data packets which are cached in a shunting node device; and

transmitting shunted data to the shunting node device when the number of the to-be-transmitted shunted data packets is less than a first threshold value.

2. The data shunting method according to claim 1, wherein, the acquiring of the number of the to-be-transmitted shunted data packets which are cached in the shunting node device comprises:

receiving shunted data packet report information transmitted by a user equipment, wherein the shunted data packet report information comprises a shunting node identifier, and an identifier list of data packets received by the user equipment from the shunting node device or an identifier of a last data packet received by the user equipment from the shunting node device; and

acquiring the number of the to-be-transmitted shunted data packets which are cached in the shunting node device according to data packet information which has been shunted to the shunting node device, and the identifier list of the data packets received by the user equipment from the shunting node device or the identifier of the last data packet received by the user equipment from the shunting node device.

3. The data shunting method according to claim 2, wherein, before the receiving the shunted data packet report information transmitted by the user equipment, further comprising:

transmitting a first report instruction message to the user equipment, wherein the first report instruction message is used to instruct the user equipment to transmit the shunted data packet report information according to a preset cycle, or is used to instruct the user equipment to transmit the shunted data packet report information every time when receiving a preset number or size of data packets.

4. The data shunting method according to claim 2, wherein, the shunted data packet report information further comprises a history data rate of receiving shunted data packets by the user equipment from the shunting node device.

5. The data shunting method according to claim 1, wherein, the acquiring the number of the to-be-transmitted shunted data packets which are cached in the shunting node device comprises:

receiving cache status report information transmitted by the shunting node device, and acquiring the number of the to-be-transmitted shunted data packets which are cached in the shunting node device from the cache status report information.

6. The data shunting method according to claim 5, wherein, before the receiving the cache status report information transmitted by the shunting node device, further comprising:

transmitting a second report instruction message to the shunting node device, wherein the second report instruction message is used to instruct the shunting node device to transmit the cache status report information according to a preset cycle, or is used to instruct the shunting node device to transmit the cache status report information every time when transmitting a preset number of data packets.

7. The data shunting method according to claim 6, wherein, the cache status report information further comprises one or some of following information elements:

a history data rate of transmitting shunted data packets by the shunting node device, the number of the to-be-transmitted shunted data packets which are cached in the shunting node device for a single user equipment, and a history data rate of transmitting shunted data packets by the shunting node device for a single user equipment.

8. The data shunting method according to claim 1, wherein, when the number of the to-be-transmitted shunted data packets is greater than or equal to the first threshold value, not transmitting shunted data to the shunting node device.

9. A data shunting method, comprising:

receiving a second report instruction message transmitted by a data transmission device, wherein the second report instruction message is used to instruct a shunting node device to transmit cache status report information according to a preset period, or is used to instruct a shunting node device to transmit cache status report information every time when transmitting a preset number of data packets; and

transmitting the cache status report information to a data shunting device according to the preset cycle, or transmitting the cache status report information to a data shunting device every time when transmitting the preset number of data packets, wherein the number of to-be-transmitted shunted data packets which are cached in the shunting node device are carried in the cache status report information.

10. The data shunting method according to claim 9, wherein, the cache status report information further comprises a history data rate of transmitting shunted data packets by the shunting node device, the number of the to-be-transmitted shunted data packets which are cached in the shunting node device for a single user equipment, and a history data rate of transmitting a shunted data packet by the shunting node device for a single user equipment.

11. A data transmission device, comprising:

a first acquiring module, configured to acquire the number of to-be-transmitted shunted data packets which are cached in a shunting node device; and

a shunting control module, configured to transmit shunted data to the shunting node device when the number of the to-be-transmitted shunted data packets is less than a first threshold value.

12. The data transmission device according to claim 11, wherein, the first acquiring module comprises:

a first receiving unit, configured to receive shunted data packet report information transmitted by a user equipment, wherein the shunted data packet report information comprises a shunting node identifier, and an identifier list of data packets received by the user equipment from the shunting node device or an identifier of a last data packet received by the user equipment from the shunting node device; and

a first acquiring unit, configured to acquire the number of the to-be-transmitted shunted data packets which are cached in the shunting node device according to data packet information which has been shunted to the shunting node device, and the identifier list of the data packets received by the user equipment from the shunting node device or the identifier of the last data packet received by the user equipment from the shunting node device.

13. The data transmission device according to claim 11, wherein, further comprising:

a first transmitting module, configured to transmit a first report instruction message to the user equipment, wherein the first report instruction message is used to instruct the user equipment to transmit the shunted data packet report information according to a preset cycle, or is used to instruct the user equipment to transmit the shunted data packet report information every time when receiving a preset number of data packets.

14. The data transmission device according to claim 11, wherein, the first acquiring module comprises:

a second receiving unit, configured to receive cache status report information transmitted by the shunting node device, and

a second acquiring unit, configured to acquire the number of the to-be-transmitted shunted data packets which are cached in the shunting node device from the cache status report information.

15. The data transmission device according to claim 14, wherein, further comprising:

a second transmitting module, configured to transmit a second report instruction message to the shunting node device, wherein the second report instruction message is used to instruct the shunting node device to transmit the cache status report information according to a preset cycle, or is used to instruct the shunting node device to transmit the cache status report information every time when transmitting a preset number of data packets.

16. The data transmission device according to claim 11, wherein, the shunting control module is further configured to, when the number of the to-be-transmitted shunted data packets is greater than or equal to the first threshold value, not transmit shunted data to the shunting node device.