CN112867155A - Fixed IP local distribution method for mobile communication network - Google Patents
Fixed IP local distribution method for mobile communication network Download PDFInfo
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- CN112867155A CN112867155A CN202110042447.5A CN202110042447A CN112867155A CN 112867155 A CN112867155 A CN 112867155A CN 202110042447 A CN202110042447 A CN 202110042447A CN 112867155 A CN112867155 A CN 112867155A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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Abstract
The invention relates to the field of edge computing data, and particularly provides a fixed IP local distribution method of a mobile communication network, which comprises the following steps: s1, deploying user applications; s2, distributing application URL corresponding IP; s3, configuring a rule of URL and IP; s4, monitoring a DNS analysis process; s5, completing terminal registration and session establishment; s6, the terminal initiates URL access application to perform DNS analysis; s7, intercepting a DNS Query Response, and modifying an Answers addr; s8, the base station forwards the DNS Query Response to the terminal; s9, the terminal sends a data message of the IP corresponding to the URL distributed by the destination IP for the edge computing platform; and S10, the edge computing distribution equipment distributes and sends the terminal data message to the application on the edge computing platform. Compared with the prior art, the invention improves the IP use efficiency of the application in the edge computing platform, and can carry out reasonable IP planning on different application URLs; and the edge computing platform may be completely enclosed, without interaction with the public network.
Description
Technical Field
The invention relates to the field of edge computing data, and particularly provides a fixed IP local distribution method of a mobile communication network.
Background
At present, there are two main ways for 5G edge computing data offloading, one is to perform data offloading based on UPF sinking, and the other is to insert an offloading device of an edge computing gateway in a transmission network between a base station and a core network to perform data offloading. After the corresponding specific URL is configured. When the terminal accesses the URL, the two devices carry out data distribution on the URL.
The method has the following defects that after the URL is analyzed by a public network DNS, the terminal can send data to the application corresponding to the URL. But the DNS resolution IP of the public network is dynamically variable. This results in the need to maintain dynamic IP synchronization with the public network DNS servers, such as to deploy an application corresponding to the URL on the edge computing platform. The intercommunication between the edge computing platform and the public network is increased, potential safety hazards are brought, and IP resources cannot be reasonably planned on the edge computing platform.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fixed IP local distribution method of a mobile communication network with strong practicability.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a mobile communication network fixed IP local distribution method comprises the following steps:
s1, deploying user applications;
s2, distributing application URL corresponding IP;
s3, configuring a rule of URL and IP;
s4, monitoring a DNS analysis process;
s5, completing terminal registration and session establishment;
s6, the terminal initiates URL access application to perform DNS analysis;
s7, intercepting a DNS Query Response, and modifying an Answers addr;
s8, the base station forwards the DNS Query Response to the terminal;
s9, the terminal sends a data message of the IP corresponding to the URL distributed by the destination IP for the edge computing platform;
and S10, the edge computing distribution equipment distributes and sends the terminal data message to the application on the edge computing platform.
Further, in step S1, in the deployment of the user application, the URL issued by the application on the edge computing platform is the URL of the original public network application.
Further, in step S2, in allocating an IP corresponding to the application URL, when deploying the application, the edge computing platform allocates an intranet fixed IP corresponding to the URL to the application according to the internal IP network plan of the edge computing platform.
Further, in step S3, in configuring the rule of URL plus IP, the edge computing platform configures the shunting device with a URL-based shunting rule, and the shunting device receives the rule and records that the rule is valid.
Further, in step S6, the terminal initiates a URL access application, and performs DNS resolution, when the terminal accesses the URL of the application on a base station governed by the edge computing platform, the terminal performs public network DNS resolution, and the public network DNS server returns the IP corresponding to the URL of the original application of the public network through DNS Query Response.
Further, in step S7, intercepting the DNS Query Response, modifying the Answers addr, and after receiving the DNS Query Response message, the edge computing offload device performs URL matching;
if the matching fails, the message is directly forwarded; if the matching is successful, rewriting addr of Answers in a Domain Name System (response) according to the IP corresponding to the distributed URL after the planning of the edge computing platform;
the content of the DNS Query Response message is modified, and the edge computing offload device needs to recalculate the checksum of the message, validate it (message) and forward it to the base station.
Further, in step S8, the base station forwards the packet to the terminal DNS Query Response, and the terminal receives the packet sent by the DNS Query Response according to addr of Answers, where the destination address is an IP planned by the edge computing platform.
Further, in step S9, when the terminal sends the data packet of the IP corresponding to the URL allocated to the edge computing platform by the destination IP, and the edge computing offloading device receives the packet of the IP allocated to the edge computing platform by the destination IP, the GTP header of the data packet forwarded by the base station is removed.
Compared with the prior art, the fixed IP local distribution method of the mobile communication network has the following outstanding advantages that:
the invention solves the problem that the IP dynamic change can not obtain the terminal source IP, and the source IP corresponding to the URL can be planned by the edge computing platform according to the self topology. The IP use efficiency of the application in the edge computing platform is improved, and different application URLs can be reasonably planned; and the edge computing platform may be completely enclosed, without interaction with the public network. The park adopting the scheme can ensure that the data cannot be exported, and the safety of the park is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flow chart of a mobile communication network fixed IP local offloading method.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to better understand the technical solutions of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A preferred embodiment is given below:
as shown in fig. 1, a method for local breakout of a fixed IP of a mobile communication network in this embodiment includes the following steps:
s1, deployment of user application:
the edge computing platform is used for online specific application, and the application is used for localized acceleration processing of the original application of the public network. The URL issued by the application on the edge computing platform is the URL of the original public network application.
S2, distributing application URL corresponding IP:
when the application is deployed, the edge computing platform allocates an intranet fixed IP corresponding to the URL for the application according to the internal IP network plan of the edge computing platform.
S3, configuring a URL and IP rule:
the edge computing platform configures a distribution rule based on the URL for the distribution equipment, and the distribution equipment receives the rule and records the rule to be effective.
S4, monitoring a DNS analysis process;
s5, completing terminal registration and session establishment;
s6, the terminal launches the URL access application to perform DNS analysis:
and when the terminal accesses the URL of the application on the base station governed by the edge computing platform, performing public network DNS analysis, and returning the IP corresponding to the URL of the original application of the public network by the public network DNS server through DNS Query Response.
S7, intercepting DNS Query Response, modifying answer addr:
after receiving the DNS Query Response message, the edge computing distribution equipment performs URL matching;
if the matching fails, the message is directly forwarded; if the matching is successful, rewriting addr of Answers in a Domain Name System (response) according to the IP corresponding to the distributed URL after the planning of the edge computing platform;
the content of the DNS Query Response message is modified, and the edge computing offload device needs to recalculate the checksum of the message, validate it (message) and forward it to the base station.
S8, the base station forwards the DNS Query Response to the terminal:
and the terminal receives the DNS Query Response and sends an IP message with a destination address planned for the edge computing platform according to addr of Answers.
S9, the terminal sends a data message of the destination IP which distributes the IP corresponding to the URL to the edge computing platform:
and when the edge computing distribution equipment receives the message of the IP distributed to the edge computing platform by the target IP, removing a GTP head of the data packet forwarded by the base station.
And S10, the edge computing distribution equipment distributes and sends the terminal data message to the application on the edge computing platform.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the above embodiments, and any suitable changes or substitutions that are made by a person of ordinary skill in the art and are in accordance with the claims of a mobile communication network fixed IP local breakout method of the present invention shall fall within the protection scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A mobile communication network fixed IP local shunt method is characterized by comprising the following steps:
s1, deploying user applications;
s2, distributing application URL corresponding IP;
s3, configuring a rule of URL and IP;
s4, monitoring a DNS analysis process;
s5, completing terminal registration and session establishment;
s6, the terminal initiates URL access application to perform DNS analysis;
s7, intercepting a DNS Query Response, and modifying an Answers addr;
s8, the base station forwards the DNS Query Response to the terminal;
s9, the terminal sends a data message of the IP corresponding to the URL distributed by the destination IP for the edge computing platform;
and S10, the edge computing distribution equipment distributes and sends the terminal data message to the application on the edge computing platform.
2. The method of claim 1, wherein in the step S1, in the deployment of the user application, the URL issued by the application on the edge computing platform is the URL of the public network original application.
3. The local breakout method for fixed IP of mobile communication network according to claim 1, wherein in step S2, when allocating the IP corresponding to the application URL, the edge computing platform allocates the intranet fixed IP corresponding to the URL to the application according to its own internal IP network plan.
4. The method of claim 1, wherein in the step S3 of configuring the URL plus IP rule, the edge computing platform configures a URL-based offloading rule for the offloading device, and the offloading device receives the rule and records that the rule is valid.
5. The method as claimed in claim 1, wherein in step S6, the terminal initiates a URL access application, performs DNS resolution, and when the terminal accesses the URL of the application on a base station governed by an edge computing platform, performs public network DNS resolution, and the public network DNS server returns the IP corresponding to the URL of the original application of the public network through DNS Query Response.
6. The fixed IP local breakout method for a mobile communication network according to claim 1, wherein in step S7, intercepting DNS Query Response, modifying answer addr, after receiving the DNS Query Response message, the edge computing breakout device performs URL matching;
if the matching fails, the message is directly forwarded; if the matching is successful, rewriting addr of Answers in a Domain Name System (response) according to the IP corresponding to the distributed URL after the planning of the edge computing platform;
the content of the DNS Query Response message is modified, and the edge computing offload device needs to recalculate the checksum of the message, validate it (message) and forward it to the base station.
7. The method according to claim 1, wherein in step S8, the base station forwards the message to the terminal DNS Query Response, and the terminal receives the DNS Query Response and sends the message of the IP with the destination address planned for the edge computing platform according to addr of Answers.
8. The method according to claim 1, wherein in step S9, the terminal sends a data packet with a destination IP allocating an IP corresponding to a URL to the edge computing platform, and when the edge computing offload device receives the data packet with the destination IP allocating an IP to the edge computing platform, the GTP header of the data packet forwarded by the base station is removed.
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Effective date of registration: 20220330 Address after: 266107 No. 2, Xiangtan Road, Danshan Industrial Park, Chengyang District, Qingdao, Shandong Applicant after: Inspur Communication Technology Co.,Ltd. Address before: 250100 Inspur science and Technology Park, 1036 Inspur Road, hi tech Zone, Jinan City, Shandong Province Applicant before: Inspur Software Technology Co.,Ltd. |