CN107277882B - Data routing method, device and base station - Google Patents
Data routing method, device and base station Download PDFInfo
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- CN107277882B CN107277882B CN201610214098.XA CN201610214098A CN107277882B CN 107277882 B CN107277882 B CN 107277882B CN 201610214098 A CN201610214098 A CN 201610214098A CN 107277882 B CN107277882 B CN 107277882B
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- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
Abstract
The invention discloses a data routing method, a data routing device and a base station, which are used for reducing the cost of hardware while reducing the signaling load of a core network element. A data routing method, comprising: receiving a data routing request, wherein the data routing request carries a data packet to be routed; if the current ongoing service is determined to be a local service according to the data routing request, establishing local routing connection with a local service server; and routing the received data packet to the local service server through the established local routing connection.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a data routing method, apparatus, and base station.
Background
With the development of mobile internet technology and intelligent terminal technology, mobile terminals such as mobile phones and the like have developed from simple conversation tools to intelligent communication tools, and become a mobile personal information collection and processing platform, and more internet services, such as QQ, WeChat, microblog, OTT (over the top) services and the like, can be accessed through the mobile terminals.
In the existing process of performing service access through a mobile terminal, uplink Data of all mobile terminals are transmitted to a service Gateway (S-GW) in a core Network through a base station (eNB), and then are handed over to a Public Data Network (PDN) Gateway by the S-GW, and finally are sent to a service server, and downlink Data sent to the terminal by the service server also needs to be transmitted to a base station to which the mobile terminal belongs through the S-GW in the core Network, and then are sent to the mobile terminal by the base station, so that the existing Data processing method needs to shuttle between the core Network and a wireless access Network.
With the development of internet services, local resource sharing based on a "social circle" becomes an emerging mobile communication mode, and local data traffic accounts for more and more of the total traffic. Even so, according to the above data transmission method, even if two mobile terminals under the same base station communicate with each other, the data sent by the source terminal to the destination terminal is transmitted to the S-GW through the base station, then sent to the PDN gateway by the S-GW, and then accessed to the service server, and then sent to the base station through the service server, and then sent to the destination terminal by the base station. Therefore, in the data transmission mode, on one hand, routing roundabout exists, and data transmission delay is increased; on the other hand, the signaling load of the network elements of the core network is increased.
To solve the above problems, the prior art proposes Local IP Access (LIPA) and selective IP Traffic Offload (SIPTO) technologies. LIPA technology causes data to be shunted from a base station side by deploying a local gateway (L-GW) at the base station side, whereas SIPO technology allows gateway devices to be deployed in a distributed manner at a location close to a User to transfer certain types of traffic to a network node closer to a UE attachment access point, and selects a GW closer to a UE attachment point geographical/logical location when selecting a GW (including S-GW and P-GW (packet data gateway)) serving a UE (User Equipment) to relieve a signaling load of a core network element, but since the deployed gateway devices essentially still belong to the core network element, the signaling load of the core network is still large after the LIPA technology and SIPTO technology are adopted, and the two schemes also require additional deployment of a local gateway at the base station side, which also increases hardware cost.
Disclosure of Invention
The embodiment of the invention provides a data routing method, a data routing device and a base station, which are used for reducing the cost of hardware while reducing the signaling load of a core network element.
The embodiment of the invention provides a data routing method, which comprises the following steps:
receiving a data routing request, wherein the data routing request carries a data packet to be routed;
if the current ongoing service is determined to be a local service according to the data routing request, establishing local routing connection with a local service server; and are
And routing the received data packet to the local service server through the established local routing connection.
An embodiment of the present invention provides a data routing apparatus, including:
a receiving unit, configured to receive a data routing request, where the data routing request carries a data packet to be routed;
a connection establishing unit, configured to establish a local routing connection with a local service server if it is determined that the current ongoing service is a local service according to the data routing request;
and the data routing unit is used for routing the received data packet to the local service server through the established local routing connection.
An embodiment of the present invention provides a base station, including the above data routing apparatus.
According to the data routing method, the data routing device and the base station provided by the embodiment of the invention, if the current ongoing service is determined to be the local service according to the received routing request, the connection is directly established with the local service server, and the data is not routed into the core network, so that the signaling load of the network element of the core network is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an application scenario of an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating an implementation flow of a data routing method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a data routing apparatus according to an embodiment of the present invention.
Detailed Description
In order to reduce the signaling load of a core network element in a data transmission process and reduce hardware deployment cost, embodiments of the present invention provide a data routing method and apparatus.
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings of the specification, it being understood that the preferred embodiments described herein are merely for illustrating and explaining the present invention, and are not intended to limit the present invention, and that the embodiments and features of the embodiments in the present invention may be combined with each other without conflict.
The inventor finds that, in the existing data transmission method, after receiving a data packet to be transmitted, a base station needs to route the data packet to a core network and process the data packet by the core network, but for some local data services, on one hand, the transmission mode increases data routing roundabout and increases data transmission delay; on the other hand, the mental processing load of the network element of the core network is also increased, although the LIPA and SIPTO technologies can relieve the signaling processing load of the network element of the core network to a certain extent, since both the LIPA and SIPTO technologies need to be added with gateway devices, on one hand, the added gateway devices still belong to the core network, so that the signaling load of the network element of the core network is still large, and on the other hand, the hardware cost is also increased.
After the base station receives the data packet to be routed, if the current ongoing service is judged to be a local service, the base station establishes a local routing connection with a corresponding local service server, and directly routes the data packet to be routed to the local service server through the established local routing connection without sending the data packet to the core network for processing. Therefore, the signaling processing load of the network element of the core network is greatly reduced, and the process can be finished in the base station without adding new network equipment, so that the hardware cost is reduced.
Having described the general principles of the invention, various non-limiting embodiments of the invention are described in detail below.
Fig. 1 is a schematic view of an application scenario according to an embodiment of the present invention. When a base station (eNB) receives a data routing request, if the current ongoing service is determined to be a local service according to the data routing request, the base station establishes local routing connection with a local service server in a local network and routes a received data Packet to the local routing server for processing, otherwise, the base station routes the received data Packet to an EPC (Evolved Packet Core) for processing through a Core network dedicated service bearer established for the current service, and the EPC routes the data Packet to a corresponding service server in the Internet for processing according to the data Packet to be routed. For example, the local network in fig. 1 may be a campus network, and the user accesses a campus library in the campus by using the user terminal, and the local service server in the local network may be a campus library server.
In the following, in connection with the application scenario of fig. 1, a data routing method according to an exemplary embodiment of the present invention is described with reference to fig. 2. It should be noted that the above application scenarios are merely illustrated for the convenience of understanding the spirit and principles of the present invention, and the embodiments of the present invention are not limited in this respect. Rather, embodiments of the present invention may be applied to any scenario where applicable.
As shown in fig. 2, which is a schematic diagram of an implementation flow of a data routing method provided in an embodiment of the present invention, the data routing method may include the following steps:
and S21, receiving the data routing request.
Wherein, the received data route request carries the data packet to be routed. When the user terminal accesses the service, the data packet sent to the service server needs to be forwarded through the base station.
S22, judging whether the current ongoing service is a local service according to the received data routing request, if so, executing a step S23, otherwise, executing a step S25;
and S23, establishing local routing connection with the local service server.
And S24, routing the received data packet to a local service server through the established local routing connection, and ending the process.
S25, establishing a core network special service bearer with the EPC;
and S26, routing the received data packet to the corresponding service server through the established special service bearer of the core network.
In specific implementation, the following two situations may occur when the base station receives the data routing request: one case is a data routing request sent for a data packet sent by the user terminal to the service server, and the other case is a data routing request sent for a data packet sent by the service server to the user terminal. If the data routing request is sent for a data packet sent by the user terminal to the service server, the data routing request usually reaches the base station first, so that under the condition, the base station can analyze the received data routing request and judge whether the current service of the user terminal is a local service, if so, the base station directly establishes local routing connection with the local service server without requesting to establish a special bearer to a core network to forward the received data packet; in this case, even if the service server is a local service server, since the service server cannot determine whether the current service is a local service, the service server needs to send the data packet to the base station through the core network and send the data packet to the user terminal through the base station, that is, in this case, the base station already establishes a core network dedicated service bearer when receiving the data packet. Subsequently, after receiving a data routing request sent for a data packet sent by the user terminal to the service server, if the base station determines that the current service is a local service, the base station establishes a local routing connection with the corresponding local service server, and then directly routes the data packet to the local service server through the established local routing connection. In order to save transmission resources, the base station may send a resource release request to an MME (Mobility Management Entity) to release an established dedicated service bearer for the core network; or only releasing the user data bearer in the core network dedicated service bearer and reserving the control data bearer.
In a specific implementation, the base station may integrate address resolution and route conversion functions, and based on this, in step S22, it may be determined whether the current ongoing service is a local service according to any one of the following manners:
in the first embodiment, the user terminal carries corresponding indication information in the sent data routing request.
In this embodiment, the UE (user equipment) may carry indication information indicating that the currently ongoing service is the local service in the sent data routing request, and thus, in step S22, it may be determined whether the currently ongoing service of the UE is the local service according to the indication information carried in the received data routing request. In a specific implementation, the base station may be indicated by one byte of information, for example, "1" indicates that the currently ongoing service is a local service, and "0" indicates that the currently ongoing service is not a local service. After receiving the data routing request, the base station determines that the UE is currently performing the service as the local service if it is determined that the indication information is "1", and may determine that the UE is currently performing the service as the local service if it is determined that the indication information is "0".
In specific implementation, if the base station determines that the current ongoing service of the UE is a local service, the base station establishes a local routing connection with the corresponding local service server. Specifically, the base station may send a connection establishment request to the local service server, and after receiving a response message returned by the local service server, determine that the local routing connection established with the local service server is successful.
Preferably, if the core network bearer is already established for the UE before the local routing connection is established, the currently ongoing service is transferred to the established local routing connection, that is, the data packet sent between the UE and the local service server is no longer carried through the established core network. In order to save the core network resources, the core network dedicated service bearer established for the UE may also be released after the local routing connection is established, or a part of the core network resources may be released, for example, only the user data bearer of the UE is released, and the control data bearer is reserved.
In specific implementation, if there are multiple local service servers deployed currently, before the base station establishes a connection with the local service servers, it needs to determine the local service server corresponding to the current service first. For example, the base station may identify the data packet to obtain the service identifier included therein, and the base station establishes a local routing connection with the corresponding local service server according to the obtained service identifier. Specifically, the base station may obtain the service identifier included in the data packet by using a deep packet inspection technology. Preferably, in a specific implementation, the base station may further pre-store a corresponding relationship between the service identifier and an IP (internet protocol) address of the corresponding local service server, so that after the service identifier is obtained, the base station may establish a local routing connection with the corresponding local service server according to the IP address of the local service server corresponding to the service identifier.
In the second embodiment, the base station determines whether the current ongoing service is a local service according to a URL (uniform resource locator) carried in the data routing request.
In this embodiment, when the user terminal initiates a service access request to the service server, a data routing request sent for a data packet sent by the user terminal to the service server carries a URL corresponding to the service server, the base station parses the URL to obtain an IP address corresponding to the URL, and determines whether the parsed IP address is in a local service server IP address list stored in advance, if so, it may be determined that a service currently performed by the UE is a local service, and if not, the base station may determine that the service currently performed by the UE is not a local service.
If the base station determines that the current service of the UE is a local service according to the analyzed IP address, in step S23, the base station may establish a local routing connection with the corresponding local service server according to the analyzed IP address, and route the data packet to be routed to the local service server through the established local routing connection.
At this point, the base station completes local forwarding of the local service data packet.
In the data routing method provided by the embodiment of the invention, the base station judges whether the current service of the terminal is a local service, if the base station judges that the current service of the UE is the local service, the base station establishes local routing connection with the local service server, and directly routes the data packet to be routed to the local service server without routing through a core network, thereby reducing the signaling load of a network element of the core network.
Based on the same inventive concept, the embodiment of the present invention further provides a data routing apparatus and a base station, and because the principle of the apparatus and the device for solving the problem is similar to the data routing method, the implementation of the apparatus and the device can refer to the implementation of the method, and repeated details are not repeated.
As shown in fig. 3, a schematic structural diagram of a data routing apparatus provided in an embodiment of the present invention may include:
a receiving unit 31, configured to receive a data routing request, where the data routing request carries a data packet to be routed;
a connection establishing unit 32, configured to establish a local routing connection with a local service server if it is determined that the current ongoing service is a local service according to the data routing request;
and a data routing unit 33, configured to route the received data packet to the local service server through the established local routing connection.
Preferably, the data routing request further carries indication information indicating that the currently ongoing service is a local service; and
the device further comprises:
a first determining unit, configured to determine that the current ongoing service is the local service according to indication information, which is carried in the data routing request and indicates that the current ongoing service is the local service.
Optionally, the data routing apparatus provided in the embodiment of the present invention may further include a packet identification unit, where:
the data packet identification unit is used for identifying the data packet and obtaining the service identifier contained in the data packet;
the connection establishing unit 32 is specifically configured to establish a local routing connection with a corresponding local service server according to the obtained service identifier.
Preferably, the data routing request carries a uniform resource locator URL.
Optionally, the data routing apparatus provided in the embodiment of the present invention may further include:
the analysis unit is used for analyzing the URL carried in the data routing request to obtain a corresponding Internet protocol IP address;
and the second determining unit is used for determining that the current ongoing service is the local service if the IP address exists in a pre-stored local service server IP address list.
Preferably, the connection establishing unit 32 is specifically configured to establish a local routing connection with the corresponding local service server according to the IP address obtained by analyzing the URL by the analyzing unit.
Optionally, the data routing apparatus provided in the embodiment of the present invention may further include:
a sending unit, configured to send a resource release request to a mobility management entity MME after the connection establishing unit establishes the local routing connection, if a core network dedicated service bearer for transmitting the data packet is established before the connection establishing unit establishes the local routing connection, so as to release the core network dedicated service bearer; or sending a resource release request to a mobility management entity MME to release user data bearer in the core network dedicated service bearer and reserve control data bearer.
For convenience of description, the above parts are separately described as modules (or units) according to functional division. Of course, the functionality of the various modules (or units) may be implemented in the same or in multiple pieces of software or hardware in practicing the invention.
For example, the data routing apparatus provided in the embodiment of the present invention may be disposed in a base station, and the base station completes local data routing. It should be noted that, the data routing apparatus provided in the embodiment of the present invention is disposed in the base station, which is only a preferred embodiment of the present invention, and in the specific implementation, the data routing apparatus may be disposed in other network devices, or may be disposed in a newly added network device.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (11)
1. A data routing method, comprising:
a base station receives a data routing request, wherein the data routing request carries a data packet to be routed;
if the base station determines that the current ongoing service is a local service according to the data routing request, establishing local routing connection with a local service server; and are
The base station routes the received data packet to the local service server through the established local routing connection;
wherein, if the core network dedicated service bearer for transmitting the data packet is established before the local routing connection is established, after the local routing connection is established, the method further comprises:
sending a resource release request to a Mobility Management Entity (MME) so as to release the special service bearer of the core network; or
And sending a resource release request to a Mobility Management Entity (MME) to release user data bearer in the core network dedicated service bearer and reserve control data bearer.
2. The method of claim 1, wherein the data routing request further carries indication information indicating that the currently ongoing service is a local service; and
determining that the current ongoing service is a local service according to the following method:
and determining that the current ongoing service is the local service according to the indication information which is carried in the data routing request and indicates that the current ongoing service is the local service.
3. The method of claim 2, wherein if it is determined that the currently ongoing service is a local service, before establishing a connection with the local service server, further comprising:
identifying the data packet and obtaining a service identifier contained in the data packet; and
establishing a local routing connection with a local service server, specifically comprising:
and establishing local routing connection with the corresponding local service server according to the obtained service identifier.
4. The method of claim 1, wherein the data routing request carries a uniform resource locator, URL; and
determining the current ongoing service as a local service according to the following procedures:
analyzing the URL carried in the data routing request to obtain a corresponding Internet protocol IP address;
and if the IP address exists in a pre-stored local service server IP address list, determining that the current ongoing service is a local service.
5. The method according to claim 4, wherein establishing the local routing connection with the local service server specifically includes:
and establishing local routing connection with a corresponding local service server according to the IP address obtained by analyzing the URL.
6. A data routing device, comprising:
a receiving unit, configured to receive a data routing request, where the data routing request carries a data packet to be routed;
a connection establishing unit, configured to establish a local routing connection with a local service server if it is determined that the current ongoing service is a local service according to the data routing request;
the data routing unit is used for routing the received data packet to the local service server through the established local routing connection;
wherein the data routing apparatus further comprises:
a sending unit, configured to send a resource release request to a mobility management entity MME after the connection establishing unit establishes the local routing connection, if a core network dedicated service bearer for transmitting the data packet is established before the connection establishing unit establishes the local routing connection, so as to release the core network dedicated service bearer; or sending a resource release request to a mobility management entity MME to release user data bearer in the core network dedicated service bearer and reserve control data bearer.
7. The apparatus of claim 6, wherein the data routing request further carries indication information indicating that the currently ongoing service is a local service; and
the device further comprises:
a first determining unit, configured to determine that the current ongoing service is the local service according to indication information, which is carried in the data routing request and indicates that the current ongoing service is the local service.
8. The apparatus of claim 7, further comprising a packet identification unit, wherein:
the data packet identification unit is used for identifying the data packet and obtaining the service identifier contained in the data packet;
the connection establishing unit is specifically configured to establish a local routing connection with a corresponding local service server according to the obtained service identifier.
9. The apparatus of claim 6, wherein the data routing request carries a uniform resource locator, URL; and
the device, still include:
the analysis unit is used for analyzing the URL carried in the data routing request to obtain a corresponding Internet protocol IP address;
and the second determining unit is used for determining that the current ongoing service is the local service if the IP address exists in a pre-stored local service server IP address list.
10. The apparatus of claim 9,
and the connection establishing unit is specifically configured to establish a local routing connection with the corresponding local service server according to the IP address obtained by analyzing the URL by the analyzing unit.
11. A base station comprising a data routing device according to any one of claims 6 to 10.
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| CN108337317B (en) * | 2018-02-09 | 2021-07-16 | 马上消费金融股份有限公司 | Method and device for processing route request |
| CN115604185A (en) * | 2021-07-09 | 2023-01-13 | 展讯半导体（南京）有限公司（Cn） | Data routing method and device |
| CN115604184A (en) * | 2021-07-09 | 2023-01-13 | 展讯半导体（南京）有限公司（Cn） | Data routing method and device |
| WO2023123308A1 (en) * | 2021-12-31 | 2023-07-06 | 新华三技术有限公司 | Packet forwarding method, device, electronic equipment, and medium |
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| US7263560B2 (en) * | 2002-08-30 | 2007-08-28 | Sun Microsystems, Inc. | Decentralized peer-to-peer advertisement |
| EP1533697B1 (en) * | 2003-10-01 | 2015-08-26 | Sap Se | Systems and methods for external service administration |
| CN103237025B (en) * | 2006-06-30 | 2016-08-03 | 艾利森电话股份有限公司 | For the method and apparatus providing the access to the media resource being attached to network-registered device |
| CN101616009B (en) * | 2008-06-27 | 2011-07-06 | 中国移动通信集团公司 | Method for transmitting data service and equipment thereof |
| CN102457931B (en) * | 2010-10-22 | 2016-06-29 | 中兴通讯股份有限公司 | A kind of data route control method and system |
| CN102547553B (en) * | 2010-12-30 | 2014-10-08 | 中国移动通信集团公司 | Method, system and device for accessing service based on wireless application protocol (WAP) |
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| CN102172078A (en) * | 2008-10-01 | 2011-08-31 | 爱立信电话股份有限公司 | Method for enabling a home base station to choose between local and remote transportation of uplink data packets |
| CN102484783A (en) * | 2009-08-20 | 2012-05-30 | Nec欧洲有限公司 | A method for controlling the traffic within a network structure and a network structure |
| CN103297947A (en) * | 2012-02-22 | 2013-09-11 | 中兴通讯股份有限公司 | Method and system for achieving local IP service |
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