CN109889586B - Communication processing method and device, computer readable medium and electronic equipment - Google Patents
Communication processing method and device, computer readable medium and electronic equipment Download PDFInfo
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Abstract
The embodiment of the invention provides a communication processing method, a communication processing device, a computer readable medium and electronic equipment. The communication processing method is applied to a user plane functional entity and comprises the following steps: receiving a service request sent by a terminal device, wherein the service request comprises a service access layer address which needs to be accessed by the terminal device; determining whether a service access layer address contained in the service request is in a pre-configured address set, wherein the pre-configured address set contains a service access layer address allocated to the terminal equipment by a scheduling management center; and if the service access layer address contained in the service request is in the address set, forwarding the service request to a service access layer server in an edge data center connected with the user plane functional entity for processing. The technical scheme of the embodiment of the invention can ensure that the terminal equipment obtains lower time delay and improves the service experience of the terminal equipment.
Description
Technical Field
The present invention relates to the field of computer and communication technologies, and in particular, to a communication processing method and apparatus, a computer readable medium, and an electronic device.
Background
With the increasingly complex processing logic of internet services, the related art proposes to introduce an access layer into a core data center located at a network center to schedule a server for processing a specific service request, and also proposes a concept of Mobile Edge Computing (MEC), that is, a MEC server in the Edge data center provides a service required by a user and a cloud Computing function nearby by using a wireless access network, so as to create a carrier-class service environment with high performance, low delay and high bandwidth. However, how to implement service processing with lower latency and higher efficiency through the management and control of the edge data center becomes a technical problem to be solved urgently.
Disclosure of Invention
Embodiments of the present invention provide a communication processing method and apparatus, a computer-readable medium, and an electronic device, so that a terminal device can obtain a lower time delay at least to a certain extent, and service experience of the terminal device is improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows, or may be learned by practice of the invention.
According to an aspect of the embodiments of the present invention, there is provided a communication processing method applied to a user plane functional entity, including: receiving a service request sent by a terminal device, wherein the service request comprises a service access layer address which needs to be accessed by the terminal device; determining whether a service access layer address contained in the service request is in a pre-configured address set, wherein the pre-configured address set contains a service access layer address allocated to the terminal equipment by a scheduling management center; and if the service access layer address contained in the service request is in the address set, forwarding the service request to a service access layer server in an edge data center connected with the user plane functional entity for processing.
According to an aspect of the embodiments of the present invention, there is provided a communication processing method applied to a service access stratum server, including: receiving a service request from a terminal device forwarded by a user plane functional entity, wherein the service request is forwarded to a service access layer server after the user plane functional entity determines that a service access layer address contained in the service request is in a preconfigured address set; determining a network address of a target service processing server capable of processing the service request according to the service request; and forwarding the service request to the target service processing server according to the network address of the target service processing server so that the target service processing server processes the service request.
According to an aspect of the embodiments of the present invention, there is provided a communication processing apparatus, applied to a user plane functional entity, including: a receiving unit, configured to receive a service request sent by a terminal device, where the service request includes a service access layer address that the terminal device needs to access; a determining unit, configured to determine whether a service access layer address included in the service request is in a preconfigured address set, where the preconfigured address set includes a service access layer address allocated to the terminal device by a scheduling management center; and a sending unit, configured to forward the service request to a service access layer server in an edge data center connected to the user plane functional entity for processing when a service access layer address included in the service request is in the address set.
In some embodiments of the present invention, based on the foregoing scheme, the sending unit is further configured to, when receiving a domain name system DNS query request sent by the terminal device, forward the DNS query request to the scheduling management center, so that the scheduling management center allocates a service access layer address to the terminal device according to a network address of the terminal device included in the DNS query request, and obtain DNS response information that is sent by the scheduling management center and includes the service access layer address allocated to the terminal device, and return the DNS response information to the terminal device, so that the terminal device initiates the service request according to the service access layer address included in the DNS response information.
In some embodiments of the present invention, based on the foregoing solution, the communication processing apparatus further includes: a generating unit, configured to generate the address set according to a network address of a service access stratum server in an edge data center connected to the user plane functional entity, or generate the address set according to a network address of a service access stratum server in an edge data center connected to the user plane functional entity and a network address of a service access stratum server in a core data center.
In some embodiments of the present invention, based on the foregoing solution, the communication processing apparatus further includes: and a deleting unit, configured to delete, according to a received deletion instruction sent by the scheduling management center, a network address of a service access layer server in an edge data center connected to the user plane functional entity, where the deletion instruction is sent when the scheduling management center acquires that the service access layer server and/or the service processing server in the edge data center are/is in failure.
In some embodiments of the present invention, based on the foregoing scheme, the sending unit is further configured to: and when the service access layer address contained in the service request is not in the address set, forwarding the service request to a service access layer server in a core data center for processing.
According to an aspect of the embodiments of the present invention, there is provided a communication processing apparatus, applied to a service access stratum server, including: a receiving unit, configured to receive a service request from a terminal device forwarded by a user plane function entity, where the service request is forwarded to a service access stratum server after the user plane function entity determines that a service access stratum address included in the service request is in a preconfigured address set; a determining unit, configured to determine, according to the service request, a network address of a target service processing server capable of processing the service request; and the sending unit is used for forwarding the service request to the target service processing server according to the network address of the target service processing server so that the target service processing server processes the service request.
In some embodiments of the present invention, based on the foregoing scheme, the determining unit is configured to: analyzing the service request to determine the service type requested by the terminal equipment; and according to the corresponding relation between the service type and the network address of the service processing server, taking the network address corresponding to the service type requested by the terminal equipment as the network address of the target service processing server.
In some embodiments of the present invention, based on the foregoing scheme, the sending unit is further configured to: and if a response result for the service request returned by the target service processing server is received, forwarding the response result to the user plane functional entity, so that the user plane functional entity forwards the response result to the terminal equipment.
In some embodiments of the present invention, based on the foregoing scheme, the determining unit is configured to: and determining whether a service access layer address contained in the service request is in the preconfigured address set, and if the service access layer address contained in the service request is determined to be in the address set, determining a network address of a target service processing server capable of processing the service request according to the service request.
In some embodiments of the present invention, based on the foregoing scheme, the sending unit is further configured to: and when the determining unit determines that the service access layer address contained in the service request is not in the address set, returning a failure message to the user plane functional entity.
In some embodiments of the present invention, based on the foregoing scheme, the sending unit is configured to: and according to the network address of the target service processing server, packaging the service request into an IP tunnel and forwarding the service request to the target service processing server.
According to an aspect of an embodiment of the present invention, there is provided a computer-readable medium on which a computer program is stored, the computer program, when executed by a processor, implementing the communication processing method as described in the above embodiments.
According to an aspect of an embodiment of the present invention, there is provided an electronic apparatus including: one or more processors; a storage device for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the communication processing method as described in the above embodiments.
In the technical solutions provided in some embodiments of the present invention, when it is determined that a service access layer address included in a service request sent by a terminal device is in a preconfigured address set, the service request is forwarded to a service access layer server in an edge data center connected to a user plane functional entity for processing, so that regardless of whether a service access layer address in a core data center or a service access layer address in the edge data center is allocated to a terminal by a scheduling management center, the service request of the terminal device can be forwarded to the service access layer server in the edge data center for processing, so as to allocate the service processing server in the edge data center to the terminal device for processing the service request, thereby ensuring that the terminal device obtains lower latency, and improving service experience of the terminal device, meanwhile, the service provider can effectively and reasonably control the service processing server in the edge data center.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 shows a schematic diagram of an exemplary system architecture to which aspects of embodiments of the invention may be applied;
FIG. 2 schematically shows a flow diagram of a communication processing method according to one embodiment of the invention;
FIG. 3 schematically shows a flow diagram of a communication processing method according to one embodiment of the invention;
FIG. 4 schematically shows a flow diagram of a communication processing method according to one embodiment of the invention;
FIG. 5 shows an architectural diagram of a communication processing system according to an embodiment of the invention;
FIG. 6 schematically shows a flow diagram of terminal request processing according to one embodiment of the invention;
fig. 7 schematically shows a block diagram of a communication processing apparatus according to an embodiment of the present invention;
fig. 8 schematically shows a block diagram of a communication processing apparatus according to an embodiment of the present invention;
FIG. 9 illustrates a schematic structural diagram of a computer system suitable for use with the electronic device to implement an embodiment of the invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations or operations have not been shown or described in detail to avoid obscuring aspects of the invention.
The block diagrams shown in the figures are functional entities only and do not necessarily correspond to physically separate entities. I.e. these functional entities may be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor means and/or microcontroller means.
The flow charts shown in the drawings are merely illustrative and do not necessarily include all of the contents and operations/steps, nor do they necessarily have to be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
Fig. 1 shows a schematic diagram of an exemplary system architecture to which the technical solution of the embodiments of the present invention can be applied.
As shown in fig. 1, the system architecture 100 may include a terminal device 101 (the terminal device 101 may be the smart phone shown in fig. 1, and may also be a tablet computer, a portable computer, a desktop computer, etc.), a User Plane Function (UPF) 102, a core network, a core data center server 103, and an edge data center server 104 connected to the User Plane Function 102.
It should be understood that the number of terminal devices 101, user plane functional entities 102, core data center servers 103 and edge data center servers 104 shown in fig. 1 is merely illustrative. There may be any number of terminal devices 101, user plane functional entities 102, core data center servers 103, and edge data center servers 104, as desired for an implementation.
In an embodiment of the present invention, the terminal device 101 may send a DNS (Domain Name System) query request to the user plane functional entity 102, where the DNS query request includes a network address of the terminal device 101, such as an IP (Internet Protocol) address of the terminal device 101, the user plane functional entity 102 sends the DNS query request to the core data center server 103 through a core network after receiving the DNS query request sent by the terminal device 101, and the core data center server 103 may assign a service access layer address to the terminal device 101 according to the network address of the terminal device 101, where the service access layer address may be a service access layer address of a core data center or a service access layer address of an edge data center. The service access layer address allocated to the terminal device 101 by the core data center server 103 is sent to the user plane functional entity 102 through the core network, and then forwarded to the terminal device 101 by the user plane functional entity 102.
In an embodiment of the present invention, the user plane functional entity 102 stores in advance an address set, in which service access stratum addresses that may be assigned to the terminal device 101 by the core data center server 103 are stored, for example, the service access stratum address located in the edge data center and the service access stratum address located in the core data center, which are connected to the user plane functional entity 102, may be stored.
In an embodiment of the present invention, after receiving the service access layer address forwarded by the user plane functional entity 102, the terminal device 101 may initiate a service request to the user plane functional entity 102 based on the service access layer address. After the user plane functional entity 102 receives the service request, if it is determined that the service access layer address included in the service request is in the address set in the user plane functional entity 102, the user plane functional entity 102 forwards the service request to a service access layer server in an edge data center connected to the user plane functional entity 102 for processing, and then the service access layer server in the edge data center forwards the service request to a corresponding service processing server for processing, so that the service request can be processed by the service processing server in the edge data center, a lower time delay of the terminal device is ensured, the service experience of the terminal device is improved, and meanwhile, effective and reasonable control of the service provider on the service processing server in the edge data center can be realized.
The implementation details of the technical scheme of the embodiment of the invention are explained in detail as follows:
fig. 2 schematically shows a flow diagram of a communication processing method according to an embodiment of the invention, which may be performed by the user plane functional entity shown in fig. 1. Referring to fig. 2, the communication processing method at least includes steps S210 to S230, which are described in detail as follows:
in step S210, a service request sent by a terminal device is received, where the service request includes a service access layer address that the terminal device needs to access.
In an embodiment of the present invention, the user plane functional entity may receive, through the base station device, the service request sent by the terminal device, that is, the terminal device sends the service request to the base station device, and then the base station device forwards the service request to the user plane functional entity connected to the base station device.
In an embodiment of the present invention, the service request sent by the terminal device may be a request for obtaining corresponding data, such as a request for obtaining a specified file. The service access layer address to be accessed by the terminal device included in the service request may be a service access layer address allocated by the scheduling management center, and the scheduling management center may be located in a core data center, such as a Global Server Load Balance (GSLB).
In an embodiment of the present invention, the terminal device may enable the scheduling management center to assign a service access stratum address to the terminal device by sending a DNS query request, and specifically as shown in fig. 3, the method may include the following steps:
step S310, if receiving the DNS query request sent by the terminal device, forwards the DNS query request to the dispatch management center, so that the dispatch management center allocates a service access layer address to the terminal device according to the network address of the terminal device included in the DNS query request.
In an embodiment of the present invention, the user plane functional entity may receive, through the base station device, the DNS query request sent by the terminal device, that is, the terminal device sends the DNS query request to the base station device, and then the base station device forwards the DNS query request to the user plane functional entity. The user plane functional entity can send the DNS query request to the dispatch management center through a core network (e.g., a 5G core network).
Step S320, obtaining DNS response information which is sent by the scheduling management center and includes a service access layer address allocated to the terminal device, and returning the DNS response information to the terminal device, so that the terminal device initiates the service request according to the service access layer address included in the DNS response information.
In an embodiment of the present invention, after allocating a service access layer address to a terminal device, a scheduling management center may generate DNS response information including the service access layer address, then send the DNS response information to a user plane functional entity through a core network, and then the user plane functional entity may return the DNS response information to the terminal device after acquiring the DNS response information.
Continuing to refer to fig. 2, in step S220, it is determined whether the service access layer address included in the service request is within a preconfigured address set including the service access layer address assigned to the terminal device by the scheduling management center.
In one embodiment of the invention, the user plane functional entity may generate the set of addresses from the network addresses of the service access layer servers in the edge data center connected to the user plane functional entity and the network addresses of the service access layer servers located in the core data center. That is, the address set includes both the network address of the service access layer server located in the edge data center and the network address of the service access layer server located in the core data center, so that the user plane functional entity can forward the service request of the terminal device to the service access layer server located in the edge data center for processing no matter the scheduling management center allocates the service access layer address located in the core data center or the service access layer address located in the edge data center to the terminal device, thereby ensuring that the terminal device obtains a lower delay and improving the service experience of the terminal device.
In one embodiment of the invention, the user plane functional entity may generate the set of addresses from the network address of a service access stratum server within an edge data center connected to the user plane functional entity. That is, the address set only includes the network address of the service access layer server located in the edge data center, so that the user plane functional entity can forward the service request to be processed by the service access layer server in the edge data center to the service access layer server located in the edge data center for processing, thereby ensuring that the terminal device obtains a lower time delay and improving the service experience of the terminal device.
In an embodiment of the present invention, if the scheduling management center acquires that a service access layer server and/or a service processing server in an edge data center connected to a user plane functional entity are/is in a failure, a delete instruction may be sent to the user plane functional entity, and after receiving the delete instruction, the user plane functional entity may delete a network address of the service access layer server in the edge data center connected to the user plane functional entity, which is included in the address set, so that when the service access layer server and/or the service processing server in the edge data center are in a failure, after receiving a service request sent by a terminal device, the user plane functional entity may avoid continuing to send the service request to the edge data center, which may result in a failure to respond to the service request sent by the terminal device.
In an embodiment of the present invention, the failure of the service access layer server and/or the service processing server may be a failure of the service access layer server and/or the service processing server, or a network communication failure.
Continuing to refer to fig. 2, in step S230, if the service access layer address included in the service request is in the address set, forwarding the service request to a service access layer server in an edge data center connected to the user plane functional entity for processing.
In the embodiment of the invention, the service request is forwarded to the service access layer server in the edge data center connected with the user plane functional entity for processing, so that the service request can be processed by the service processing server in the edge data center, the terminal equipment is ensured to obtain lower time delay, and the service experience of the terminal equipment is improved.
In an embodiment of the present invention, if the service access layer address included in the service request is not in the address set, the service request may be forwarded to the service access layer server in the core data center for processing, so as to ensure that the service request sent by the terminal device can be responded, and avoid the problem that the service request sent by the terminal device cannot be processed.
Fig. 4 schematically shows a flow diagram of a communication processing method according to an embodiment of the present invention, which may be performed by a service access stratum server, such as may be processed by a service access stratum server in an edge data center. Referring to fig. 4, the communication processing method at least includes steps S410 to S430, which are described in detail as follows:
in step S410, a service request from a terminal device forwarded by a user plane function entity is received, where the service request is forwarded to the service access stratum server after the user plane function entity determines that a service access stratum address included in the service request is in a preconfigured address set.
In an embodiment of the present invention, the user plane functional entity may receive, through the base station device, a service request sent by the terminal device, and then forward, after determining that a service access stratum address included in the service request is in a preconfigured address set, the service request to the service access stratum server. The preconfigured address set may be generated in the manner described in the foregoing embodiments.
In step S420, a network address of a target service processing server capable of processing the service request is determined according to the service request.
In an embodiment of the present invention, the service type requested by the terminal device may be determined by parsing the service request, and then, according to a correspondence between the service type requested by the terminal device and the network address of the service processing server, the network address corresponding to the service type requested by the terminal device is used as the network address of the target service processing server.
In an embodiment of the present invention, the service types that can be processed by each service processing server may be determined in advance, a network address (for example, an IP address) of each service processing server may be obtained, and then the service types that can be processed by each service processing server and the network addresses thereof may be stored correspondingly, so as to obtain a corresponding relationship between the service types and the network addresses of the service processing servers.
In an embodiment of the present invention, if network addresses of a plurality of service processing servers correspond to the same service type, a service processing server with the closest distance and/or the lowest processing load and/or the best network status may be selected as the target service processing server.
In an embodiment of the present invention, the service access layer server may also randomly select one service processing server as the network address of the target service processing server.
In an embodiment of the present invention, before determining the network address of the target service processing server capable of processing the service request according to the service request in step S420, the service access layer server may further determine again whether the service access layer address included in the service request is within a preconfigured address set, and when determining that the service access layer address included in the service request is within the address set, determine again the network address of the target service processing server capable of processing the service request. The technical solution of this embodiment enables the service access layer server to determine whether to allocate a service processing server for processing by confirming again whether the service access layer address included in the service request is in a preconfigured address set, when the service request sent by the terminal device is not sent in an http/https protocol, or the service request is encrypted and the service access layer server cannot decrypt.
In an embodiment of the present invention, if the service access layer server determines that the service access layer address included in the service request is not in the address set, a failure message may be returned to the user plane functional entity, and the user plane functional entity may feed back the failure message to the terminal device after receiving the failure message.
Continuing to refer to fig. 4, in step S430, the service request is forwarded to the target service processing server according to the network address of the target service processing server, so that the target service processing server processes the service request.
In an embodiment of the present invention, when the service access layer server forwards the service request to the target service processing server, the service access layer server may encapsulate the service request into the IP tunnel according to the network address of the target service processing server and forward the service request to the target service processing server.
In an embodiment of the present invention, after the target service processing server processes the service request, a response result for the service request may be returned to the service access layer server, and further, after the service access layer server receives the response result for the service request returned by the target service processing server, the response result may be forwarded to the user plane functional entity, so that the user plane functional entity forwards the response result to the terminal device.
In one embodiment of the present invention, the target service processing server may return the response result for the service request to the service access layer server by encapsulating the response result in the IP tunnel.
The technical scheme of the embodiment enables the service processing server located in the edge data center to be allocated to the terminal device as much as possible to process the service request, so that the terminal device can be ensured to obtain lower time delay, the service experience of the terminal device is improved, and meanwhile, the service provider can effectively and reasonably manage and control the service processing server in the edge data center.
Details of the implementation of the communication processing scheme according to the embodiment of the present invention are described below with reference to fig. 5 to 6:
as shown in fig. 5, the communication processing system according to the embodiment of the present invention includes: a terminal 501, a user plane function entity 502, a 5G core network 503, a core data center 504 and an edge data center 505. The edge data center 505 is deployed with a service access layer and a service processing layer, and the service processing layer includes one or more service processing servers.
In an embodiment of the present invention, the user plane functional entity 502 is deployed inside a 5G network (this embodiment takes the 5G network as an example for description, and in other embodiments of the present invention, it may be a 4G network or a later 6G network, etc.), and is responsible for forwarding between user traffic and the edge data center 505. The service access layer in the edge data center 505 is responsible for identifying the service request from the terminal forwarded by the user plane functional entity 502 and forwarding the service request to the corresponding service processing server for processing. The service processing layer in the edge data center 505 is formed by service processing servers and is responsible for processing specific service requests. The GSLB is located inside a core data center 504 (a core data center, i.e. a conventional data center), and is responsible for selecting a specific service access layer according to a network address of the terminal 501 to process a service request of the terminal 501.
In an embodiment of the present invention, referring to fig. 6, a terminal request processing procedure according to an embodiment of the present invention includes the following steps:
in step S601, the terminal 501 sends a DNS request to the user plane function entity 502, where the DNS request may be a conventional DNS request including a network address of the terminal 501.
In one embodiment of the present invention, the terminal 501 may forward the DNS request to the base station device to which it is connected, and then forward the DNS request to the user plane function 502 by the base station device.
In step S602, the user plane functional entity 502 forwards the DNS request to the 5G core network 503.
At step S603, the 5G core network 503 forwards the DNS request to the GSLB located within the core data center 504.
In step S604, the GSLB generates DNS response information from the source address (i.e., the network address of the terminal 501) included in the DNS request, and transmits the DNS response information to the 5G core network 503. The DNS response information includes the service access layer address assigned to the terminal 501 by the GSLB.
In one embodiment of the present invention, the service access layer address assigned by the GSLB to the terminal 501 may be one or a group of addresses, which may be IP addresses.
In an embodiment of the present invention, the service access layer address allocated by the GSLB to the terminal 501 may include the service access layer address in the edge data center 505 or may not include such an address, for example, the service access layer address in the core data center 504 may also be included in the service access layer address allocated by the GSLB to the terminal 501, but the service access layer address allocated by the GSLB to the terminal 501 belongs to a fixed address set, and the address set may be known in advance by a service deployment party and configured in the user plane function entity, so that when detecting that the terminal 501 has data packets addressed to these addresses, the user plane function entity may forward these data packets to the service access layer in the edge data center 505 for processing, so as to reduce data processing delay.
In one embodiment of the invention, the above-mentioned set of addresses may be generated from service access layer addresses in the core data center 504 and service access layer addresses in edge data centers connected to the user plane functional entity 502.
In one embodiment of the present invention, if a service access layer within the edge data center 505 or a service processing server within the service processing layer fails (e.g., goes down or network fails), the GSLB within the core data center 504, after obtaining this information, an instruction to delete a service access layer address in the edge data center 505 stored in the address set may be sent to the user plane function entity 502, and further the user plane function 502 after receiving the service request sent by the terminal 501, the service request may not be forwarded to the edge data center 505, so as to avoid the problem that the service request of the terminal 501 cannot be responded due to the failure of the service access layer in the edge data center 505 or the service processing server in the service processing layer, in this case, the user plane functional entity 502 may forward the service request of the terminal 501 to the core data center 504 for processing.
In one embodiment of the present invention, the response of GSLB to the terminal DNS request may be to determine from the source IP address of the DNS request (i.e. the IP address of terminal 501) which carrier's network the DNS request came from, then select one or more service access stratum servers deployed within the carrier's network and fill their IP addresses in the DNS response. It is noted that, as described above, the IP address of the service access layer server returned by the GSLB may not coincide with the IP address of the service access layer server within the edge data center 505.
Step S605, the 5G core network forwards the DNS response information to the user plane functional entity 502.
In step S606, the user plane functional entity 502 sends the DNS response information to the terminal 501.
In step S607, the terminal 501 initiates a service request to the user plane functional entity 502 according to the service access layer address included in the DNS response message. In one embodiment of the present invention, the service request may be a data acquisition request, a file download request, or the like.
In an embodiment of the present invention, after receiving the DNS response information returned by the GSLB, the terminal 501 initiates a service access request to the service access layer server indicated in the DNS response information. If the DNS response message contains IP addresses of multiple service access layer servers, the terminal 501 may select one IP address from the DNS response message to initiate a service access request.
In step S608, after receiving the service request, the user plane functional entity 502 forwards the service request to a service access layer in the edge data center 505 if it is detected that the service request conforms to the local offloading rule.
In an embodiment of the present invention, the user plane functional entity 502 detects whether the service request conforms to the local breakout rule, mainly detects whether a destination IP address in the service request is in a pre-configured address set, and if so, determines that the service request conforms to the local breakout rule.
Step S609, after receiving the service request, the service access layer forwards the service request to the corresponding service processing server.
In an embodiment of the present invention, after receiving the service request from the terminal 501, the service access layer in the edge data center 505 may also determine whether the destination address in the service request is in the pre-configured address set again, and if so, encapsulate the service request into an IP-in-IP tunnel and forward it to the service processing server in the service processing layer.
Step S610, after receiving the service request, the service processing server processes the service request, and then returns corresponding service response data to the service access layer.
In one embodiment of the present invention, after the service processing server completes processing the service request, the service response data may be encapsulated into an IP-in-IP tunnel and forwarded to the service access layer.
Step S611, after receiving the service response data returned by the service processing server, the service access layer returns the service response data to the user plane functional entity.
Step S612, the user plane functional entity returns the service response data to the terminal.
In an embodiment of the present invention, after receiving the service response data, the user plane functional entity 502 forwards the service response data to the terminal 501 through the network if detecting that the destination IP address of the service response data is the IP address of the terminal 501.
The technical scheme of the embodiment of the invention can realize low-delay service access through the edge data center built in the 5G network on the basis of the existing 5G network architecture without damaging the existing service logic of the Internet service. Meanwhile, the technical scheme of the embodiment of the invention can be applied to internet services such as cloud games, videos, internet of vehicles and the like, the functions of the service access layer and the service processing server can be deployed in the edge data center, so that the user experience can be improved by utilizing the low delay characteristic of the edge data center, and the management and control of the service background system on the edge services can be realized.
The following describes an embodiment of an apparatus of the present invention, which can be used to execute the communication processing method in the above-described embodiment of the present invention. For details that are not disclosed in the embodiments of the apparatus of the present invention, refer to the embodiments of the communication processing method of the present invention.
Fig. 7 schematically shows a block diagram of a communication processing apparatus according to an embodiment of the present invention, which may be applied in a user plane functional entity.
Referring to fig. 7, a communication processing apparatus 700 according to an embodiment of the present invention includes: a receiving unit 702, a determining unit 704 and a sending unit 706.
The receiving unit 702 is configured to receive a service request sent by a terminal device, where the service request includes a service access layer address that the terminal device needs to access; the determining unit 704 is configured to determine whether a service access layer address included in the service request is in a preconfigured address set, where the preconfigured address set includes a service access layer address allocated to the terminal device by the scheduling management center; the sending unit 706 is configured to forward the service request to a service access layer server in an edge data center connected to the user plane functional entity for processing when a service access layer address included in the service request is in the address set.
In an embodiment of the present invention, the sending unit 706 is further configured to, when receiving a domain name system DNS query request sent by the terminal device, forward the DNS query request to the scheduling management center, so that the scheduling management center allocates a service access layer address to the terminal device according to the network address of the terminal device included in the DNS query request, and obtain DNS response information that is sent by the scheduling management center and includes the service access layer address allocated to the terminal device, and return the DNS response information to the terminal device, so that the terminal device initiates the service request according to the service access layer address included in the DNS response information.
In an embodiment of the present invention, the communication processing apparatus 700 further includes: a generating unit, configured to generate the address set according to a network address of a service access stratum server in an edge data center connected to the user plane functional entity, or generate the address set according to a network address of a service access stratum server in an edge data center connected to the user plane functional entity and a network address of a service access stratum server in a core data center.
In an embodiment of the present invention, the communication processing apparatus 700 further includes: and a deleting unit, configured to delete, according to a received deletion instruction sent by the scheduling management center, a network address of a service access layer server in an edge data center connected to the user plane functional entity, where the deletion instruction is sent when the scheduling management center acquires that the service access layer server and/or the service processing server in the edge data center are/is in failure.
In an embodiment of the present invention, the sending unit 706 is further configured to: and when the service access layer address contained in the service request is not in the address set, forwarding the service request to a service access layer server in a core data center for processing.
Fig. 8 schematically shows a block diagram of a communication processing apparatus according to an embodiment of the present invention, which may be applied to a service access stratum server.
Referring to fig. 8, a communication processing apparatus 800 according to an embodiment of the present invention includes: a receiving unit 802, a determining unit 804 and a transmitting unit 806.
The receiving unit 802 is configured to receive a service request from a terminal device, where the service request is forwarded to a service access stratum server after the user plane functional entity determines that a service access stratum address included in the service request is in a preconfigured address set; the determining unit 804 is configured to determine, according to the service request, a network address of a target service processing server capable of processing the service request; the sending unit 806 is configured to forward the service request to the target service processing server according to the network address of the target service processing server, so that the target service processing server processes the service request.
In one embodiment of the invention, the determining unit 804 is configured to: analyzing the service request to determine the service type requested by the terminal equipment; and according to the corresponding relation between the service type and the network address of the service processing server, taking the network address corresponding to the service type requested by the terminal equipment as the network address of the target service processing server.
In an embodiment of the present invention, the sending unit 806 is further configured to: and if a response result for the service request returned by the target service processing server is received, forwarding the response result to the user plane functional entity, so that the user plane functional entity forwards the response result to the terminal equipment.
In one embodiment of the invention, the determining unit 804 is configured to: and determining whether a service access layer address contained in the service request is in the preconfigured address set, and if the service access layer address contained in the service request is determined to be in the address set, determining a network address of a target service processing server capable of processing the service request according to the service request.
In an embodiment of the present invention, the sending unit 806 is further configured to: when the determining unit 804 determines that the service access layer address included in the service request is not in the address set, a failure message is returned to the user plane functional entity.
In one embodiment of the present invention, the sending unit 806 is configured to: and according to the network address of the target service processing server, packaging the service request into an IP tunnel and forwarding the service request to the target service processing server.
FIG. 9 illustrates a schematic structural diagram of a computer system suitable for use with the electronic device to implement an embodiment of the invention.
It should be noted that the computer system 900 of the electronic device shown in fig. 9 is only an example, and should not bring any limitation to the function and the scope of the application of the embodiment of the present invention.
As shown in fig. 9, the computer system 900 includes a Central Processing Unit (CPU)901, which can perform various appropriate actions and processes, such as executing the methods described in the above embodiments, according to a program stored in a Read-Only Memory (ROM) 902 or a program loaded from a storage portion 908 into a Random Access Memory (RAM) 903. In the RAM 903, various programs and data necessary for system operation are also stored. The CPU 901, ROM 902, and RAM 903 are connected to each other via a bus 904. An Input/Output (I/O) interface 905 is also connected to bus 904.
The following components are connected to the I/O interface 905: an input portion 906 including a keyboard, a mouse, and the like; an output section 907 including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, a speaker, and the like; a storage portion 908 including a hard disk and the like; and a communication section 909 including a Network interface card such as a LAN (Local Area Network) card, a modem, or the like. The communication section 909 performs communication processing via a network such as the internet. The drive 910 is also connected to the I/O interface 905 as necessary. A removable medium 911 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 910 as necessary, so that a computer program read out therefrom is mounted into the storage section 908 as necessary.
In particular, according to an embodiment of the present invention, the processes described below with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the invention include a computer program product comprising a computer program embodied on a computer-readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 909, and/or installed from the removable medium 911. The computer program executes various functions defined in the system of the present application when executed by a Central Processing Unit (CPU) 901.
It should be noted that the computer readable medium shown in the embodiment of the present invention may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM), a flash Memory, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present invention, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present invention, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present invention may be implemented by software, or may be implemented by hardware, and the described units may also be disposed in a processor. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves.
As another aspect, the present application also provides a computer-readable medium, which may be contained in the electronic device described in the above embodiments; or may exist separately without being assembled into the electronic device. The computer readable medium carries one or more programs which, when executed by an electronic device, cause the electronic device to implement the method described in the above embodiments.
It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the invention. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware. Therefore, the technical solution according to the embodiment of the present invention can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.) or on a network, and includes several instructions to enable a computing device (which can be a personal computer, a server, a touch terminal, or a network device, etc.) to execute the method according to the embodiment of the present invention.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (15)
1. A communication processing method is applied to a user plane functional entity, and is characterized by comprising the following steps:
receiving a service request sent by a terminal device, wherein the service request comprises a service access layer address which needs to be accessed by the terminal device;
determining whether a service access layer address contained in the service request is in a pre-configured address set, wherein the pre-configured address set contains a service access layer address allocated to the terminal equipment by a scheduling management center;
and if the service access layer address contained in the service request is in the address set, forwarding the service request to a service access layer server in an edge data center connected with the user plane functional entity for processing.
2. The communication processing method according to claim 1, wherein before receiving the service request sent by the terminal device, the communication processing method further comprises:
if a Domain Name System (DNS) query request sent by the terminal equipment is received, forwarding the DNS query request to the dispatching management center so that the dispatching management center allocates a service access layer address to the terminal equipment according to a network address of the terminal equipment contained in the DNS query request;
and obtaining DNS response information which is sent by the dispatching management center and contains a service access layer address distributed to the terminal equipment, and returning the DNS response information to the terminal equipment so that the terminal equipment initiates the service request according to the service access layer address contained in the DNS response information.
3. The communication processing method according to claim 1, further comprising:
generating the address set according to a network address of a service access layer server in an edge data center connected to the user plane functional entity; or
The address set is generated from the network address of a service access layer server in an edge data center connected to the user plane functional entity and the network address of a service access layer server located in a core data center.
4. The communication processing method according to claim 1, further comprising:
and deleting the network address of the service access layer server in the edge data center connected with the user plane functional entity, wherein the network address is contained in the address set and is deleted according to a received deletion instruction sent by the scheduling management center, and the deletion instruction is sent when the scheduling management center acquires that the service access layer server and/or the service processing server in the edge data center are/is in failure.
5. The communication processing method according to any one of claims 1 to 4, further comprising:
and if the service access layer address contained in the service request is not in the address set, forwarding the service request to a service access layer server in a core data center for processing.
6. A communication processing method is applied to a service access layer server, and is characterized by comprising the following steps:
receiving a service request from a terminal device forwarded by a user plane functional entity, wherein the service request is forwarded to a service access layer server after the user plane functional entity determines that a service access layer address contained in the service request is in a preconfigured address set;
determining a network address of a target service processing server capable of processing the service request according to the service request;
and forwarding the service request to the target service processing server according to the network address of the target service processing server so that the target service processing server processes the service request.
7. The communication processing method according to claim 6, wherein determining, according to the service request, a network address of a target service processing server capable of processing the service request comprises:
analyzing the service request to determine the service type requested by the terminal equipment;
and according to the corresponding relation between the service type and the network address of the service processing server, taking the network address corresponding to the service type requested by the terminal equipment as the network address of the target service processing server.
8. The communication processing method according to claim 6, further comprising:
and if a response result for the service request returned by the target service processing server is received, forwarding the response result to the user plane functional entity, so that the user plane functional entity forwards the response result to the terminal equipment.
9. The communication processing method according to claim 6, wherein before determining, from the service request, a network address of a target service processing server capable of processing the service request, the communication processing method further comprises:
determining whether a service access stratum address contained in the service request is within the pre-configured set of addresses;
and if the service access layer address contained in the service request is determined to be in the address set, executing a process of determining a network address of a target service processing server capable of processing the service request according to the service request.
10. The communication processing method according to claim 9, further comprising:
and if the service access layer address contained in the service request is determined not to be in the address set, returning a failure message to the user plane functional entity.
11. The communication processing method according to any one of claims 6 to 10, wherein forwarding the service request to the target service processing server according to the network address of the target service processing server comprises:
and according to the network address of the target service processing server, packaging the service request into an IP tunnel and forwarding the service request to the target service processing server.
12. A communication processing apparatus applied to a user plane function entity, comprising:
a receiving unit, configured to receive a service request sent by a terminal device, where the service request includes a service access layer address that the terminal device needs to access;
a determining unit, configured to determine whether a service access layer address included in the service request is in a preconfigured address set, where the preconfigured address set includes a service access layer address allocated to the terminal device by a scheduling management center;
and a sending unit, configured to forward the service request to a service access layer server in an edge data center connected to the user plane functional entity for processing when a service access layer address included in the service request is in the address set.
13. A communication processing device applied to a service access layer server is characterized by comprising:
a receiving unit, configured to receive a service request from a terminal device forwarded by a user plane function entity, where the service request is forwarded to a service access stratum server after the user plane function entity determines that a service access stratum address included in the service request is in a preconfigured address set;
a determining unit, configured to determine, according to the service request, a network address of a target service processing server capable of processing the service request;
and the sending unit is used for forwarding the service request to the target service processing server according to the network address of the target service processing server so that the target service processing server processes the service request.
14. A computer-readable medium, on which a computer program is stored, which, when being executed by a processor, carries out a communication processing method according to any one of claims 1 to 5, or carries out a communication processing method according to any one of claims 6 to 11.
15. An electronic device, comprising:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the communication processing method of any one of claims 1 to 5 or the communication processing method of any one of claims 6 to 11.
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| CN113489772B (en) * | 2019-08-08 | 2022-09-09 | 腾讯科技（深圳）有限公司 | Network request processing method and device and electronic equipment |
| CN112449394B (en) * | 2019-08-28 | 2022-09-16 | 中国联合网络通信集团有限公司 | Data transmission method and core network equipment |
| CN110519370B (en) * | 2019-08-28 | 2022-03-25 | 湘潭大学 | Edge computing resource allocation method based on facility site selection problem |
| CN110912835B (en) * | 2019-11-08 | 2023-04-07 | 腾讯科技（深圳）有限公司 | Service distribution method, device and system |
| CN110995826B (en) * | 2019-11-29 | 2022-05-03 | 腾讯科技（深圳）有限公司 | Communication processing method and device, computer readable medium and electronic equipment |
| CN110943922A (en) * | 2019-12-11 | 2020-03-31 | 中国联合网络通信集团有限公司 | Data distribution method and router |
| CN111314464B (en) * | 2020-02-17 | 2021-06-29 | 腾讯科技（深圳）有限公司 | Communication method, medium and electronic device applied to edge computing scene |
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| CN113597021B (en) * | 2020-04-30 | 2023-11-17 | 华为技术有限公司 | Communication method, device and system |
| CN113766629B (en) * | 2020-06-03 | 2022-12-27 | 中国移动通信集团浙江有限公司 | Service processing method and system under 5G edge computing scene |
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