CN106535274B - method and system for realizing dynamic network connection - Google Patents
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- CN106535274B CN106535274B CN201510584062.6A CN201510584062A CN106535274B CN 106535274 B CN106535274 B CN 106535274B CN 201510584062 A CN201510584062 A CN 201510584062A CN 106535274 B CN106535274 B CN 106535274B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a method and a system for realizing dynamic network connection.A service platform acquires a social relation database; constructing a network addressing relation based on social relations among users in the social relation database; generating a network flow table according to the network addressing relation mapping; and writing the network flow table into a network controller so that the network controller completes the link establishment of the network route according to the network flow table.
Description
Technical Field
the present invention relates to wireless network application technologies, and in particular, to a method and a system for implementing dynamic network connection.
background
Software Defined Networking (SDN) builds flexible traffic scheduling by means of open Network capabilities. In practical applications, the value of the network itself is to provide services. With the advent of SDN and open network technologies, the requirements of services can be better adapted through flexible network connectivity and pipe resource allocation. At present, the network and the service are independent from each other, that is, from the service perspective, the network is a pipeline, and the path of pipeline connection and the allocated resources are relatively fixed; from the network perspective, the network itself is not aware of the logic and content of the service, and is only responsible for the delivery of information.
however, due to the above-mentioned loose coupling between the network layer and the service layer, the network cannot provide optimal network connection and resource allocation for the service, which limits the flexible and reliable service guarantee requirement of the service layer, thereby resulting in the reduction of service quality.
Disclosure of Invention
in view of the above, embodiments of the present invention provide a method and system for implementing dynamic network connection to solve the problems in the prior art.
in order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a method for realizing dynamic network connection, which comprises the following steps:
Acquiring a social relationship database;
Constructing a network addressing relation based on social relations among users in the social relation database;
generating a network flow table according to the network addressing relation mapping;
And writing the network flow table into a network controller so that the network controller completes the link establishment of the network route according to the network flow table.
in the foregoing solution, the constructing a network addressing relationship based on social relationships among users in the social relationship database includes:
forming a social relationship network based on social relationships between users in the social relationship database;
representing social relationships between users in the social relationship network by pairs of application layer addresses between users;
And mapping the application layer address pair between the users into a routing address pair of network connection between the users.
In the above scheme, the application layer address pair between the users includes a source application layer address and a destination application layer address; the routing address pair of the network connection between the users comprises a source routing address and a destination routing address.
in the above scheme, generating a network flow table according to the network addressing relationship mapping includes:
And writing the routing address pairs of the network connection between the users into an Openflow flow table of the SDN.
in the above scheme, the method further comprises:
dynamically indicating the level of the network addressing relation according to a level parameter which is used for representing the strength of the social relation among the users in the social relation database;
correspondingly, generating a network flow table according to the network addressing relation mapping, including:
And generating a network flow table by mapping according to the network addressing relation and the level parameters used for representing the strength of the social relation between the users in the social relation database.
The embodiment of the invention also provides a system for realizing the dynamic network connection, which comprises a service platform and a network controller;
the service platform is used for acquiring a social relation database; constructing a network addressing relation based on social relations among users in the social relation database; generating a network flow table according to the network addressing relation mapping; writing the network flow table to the network controller;
and the network controller is used for completing the link establishment of the network route according to the network flow table.
In the above scheme, the service platform is specifically configured to form a social relationship network based on social relationships among users in the social relationship database; representing social relationships between users in the social relationship network by pairs of application layer addresses between users; and mapping the application layer address pair between the users into a routing address pair of network connection between the users.
In the above scheme, the application layer address pair between the users includes a source application layer address and a destination application layer address; the routing address pair of the network connection between the users comprises a source routing address and a destination routing address.
In the above scheme, the service platform is specifically configured to write a routing address pair of network connection between users into an Openflow flow table of a software defined network SDN.
In the above scheme, the service platform is further configured to dynamically indicate a level of the network addressing relationship according to the strength of the social relationship between users in the social relationship database; and generating a network flow table by combining the network addressing relation and the strength of the social relation among the users in the social relation database.
according to the method and the system for realizing dynamic network connection, provided by the embodiment of the invention, after a service platform acquires a social relationship database, a network addressing relation is established based on social relationships among users in the social relationship database; generating a network flow table according to the network addressing relation mapping; and then writing the network flow table into a network controller so that the network controller completes the link establishment of the network route according to the network flow table. Therefore, the social relationship of the users can be mapped to the network connection, so that the link establishment of the network route is more effectively carried out on the basis of effectively ensuring the service quality among the users, the network resource is saved, and the unnecessary network overhead is reduced.
drawings
fig. 1 is a first flowchart illustrating a method for implementing dynamic network connection according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an implementation flow of a service platform for building a network addressing relationship based on social relationships among users in the social relationship database according to an embodiment of the present invention;
FIG. 3 is a diagram of a social relationship network architecture formed according to social relationships between users in the social relationship database, according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a social relationship between users via a direct pair of application layer addresses;
FIG. 5 is a diagram illustrating mapping of application layer address pairs between users to routing address pairs for network connections between users according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating a second method for implementing dynamic network connection according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a network flow table after adding a social relationship strong and weak field according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a structure of a system for implementing dynamic network connection according to an embodiment of the present invention;
FIG. 9 is a diagram of a software defined network architecture based on user social relationships, according to an embodiment of the present invention.
Detailed Description
the preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described below are only for the purpose of illustrating and explaining the present invention, and are not to be construed as limiting the present invention.
Currently, the social relationship of the user is usually fixed in the business aspect. Taking a video social service as an example, the communication between a user and other users in the social circle of the user is usually relatively fixed, and if the social communication behavior of the user can be mapped to a network connection, the quality of the communication between the users can be effectively ensured; meanwhile, the occupation of network resources is saved, and unnecessary network overhead, such as routing roundabout in the information transmission process, is reduced.
Based on the characteristic that the social relationship of the users is usually relatively fixed, in the embodiment of the invention, after the service platform acquires the social relationship database, a network addressing relationship is constructed based on the social relationship among the users in the social relationship database; generating a network flow table according to the network addressing relation mapping; and then writing the network flow table into a network controller so that the network controller completes the link establishment of the network route according to the network flow table.
the first embodiment of the method comprises the following steps:
Fig. 1 is a first flowchart illustrating a method for implementing dynamic network connection according to an embodiment of the present invention, as shown in fig. 1, the method for implementing dynamic network connection according to the embodiment of the present invention includes:
Step S101: acquiring a social relationship database;
Specifically, since the social relationship of the users is usually relatively fixed, a social relationship database containing the social relationship between the users is recorded and stored in the storage unit of the service platform; the social relationship database can also comprise a grade parameter for representing the strength of the social relationship between the users. The social relationship among the users can be a social relationship formed based on communication information of user address books, friend circles, fan groups and the like. Therefore, after the service platform acquires the social relationship database, the service platform can acquire the social relationship between the users from the social relationship database.
Step S102: constructing a network addressing relation based on social relations among users in the social relation database;
specifically, as shown in fig. 2, the service platform constructs a network addressing relationship based on social relationships among users in the social relationship database, including:
step S1021: forming a social relationship network based on social relationships between users in the social relationship database;
In an example, after obtaining the social relationship database, the service platform forms a social relationship network shown in fig. 3 according to social relationships among users in the social relationship database. As shown in fig. 3, taking user a as an example, user a directly has social communication behaviors with user B, user E, and user F.
step S1022: representing social relationships between users in the social relationship network by pairs of application layer addresses between users;
wherein the application layer address pair between the users comprises a source application layer address and a destination application layer address.
in an example, based on a social relationship network as described in FIG. 3, the service platform represents social relationships between users through direct pairs of application layer addresses of the users; as shown in fig. 4, also taking user a as an example, source application layer addresses a respectively correspond to destination application layer addresses B, E, F.
Step S1023: and mapping the application layer address pair between the users into a routing address pair of network connection between the users.
Wherein the routing address pair of the network connection between the users comprises a source routing address and a destination routing address.
In an example, again, based on a social relationship network as described in FIG. 3 and representing social relationships between users by direct pairs of application-layer addresses of users as shown in FIG. 4, the pairs of application-layer addresses between the users may be mapped as pairs of routing addresses for network connections between users; as shown in fig. 5, for example, the user a has a source routing address IPA corresponding to destination routing addresses IPB, IPE, and IPF.
step S103: generating a network flow table according to the network addressing relation mapping;
Specifically, in step S102, a network addressing relationship is constructed based on the social relationship among the users in the social relationship database, for example, taking user a as an example, a routing address pair of a network connection among three users, which is formed by respectively corresponding a source routing address IPA to destination routing addresses IPB, IPE, and IPF, is written into an Openflow flow table of the SDN, and a specific flow table format may refer to a format defined in Openflow.
step S104: and writing the network flow table into a network controller so that the network controller completes the link establishment of the network route according to the network flow table.
specifically, after generating a network flow table according to the network addressing relation mapping, the service platform writes the network flow table into a network controller; and then, the network controller can complete the link establishment process of the network route according to the network flow table.
according to the method for realizing dynamic network connection, a service platform acquires a social relationship database and then constructs a network addressing relation based on the social relationship among users in the social relationship database; generating a network flow table according to the network addressing relation mapping; and then writing the network flow table into a network controller so that the network controller completes the link establishment of the network route according to the network flow table. Therefore, the social relationship of the users can be mapped to the network connection, so that the link establishment of the network route is more effectively carried out on the basis of effectively ensuring the service quality among the users, the network resource is saved, and the unnecessary network overhead is reduced.
The second method embodiment:
Fig. 6 is a second flowchart illustrating a method for implementing dynamic network connection according to an embodiment of the present invention, and as shown in fig. 6, the method for implementing dynamic network connection according to an embodiment of the present invention includes:
step S601: acquiring a social relationship database;
and the social relationship database can also comprise a grade parameter for representing the strength of the social relationship between the users.
Step S602: constructing a network addressing relation based on social relations among users in the social relation database;
wherein the routing address pair of the network connection between the users comprises a source routing address and a destination routing address.
Step S603: dynamically indicating the level of the network addressing relation according to a level parameter which is used for representing the strength of the social relation among the users in the social relation database;
Specifically, because the social relationship database includes a level parameter for representing the strength of the social relationship between the users, the service platform may dynamically indicate the level of the network addressing relationship according to the level parameter for representing the strength of the social relationship between the users in the social relationship database on the basis of constructing the network addressing relationship based on the social relationship between the users in the social relationship database.
step S604: combining the network addressing relation and a level parameter used for representing the strength of the social relation between the users in the social relation database, and mapping to generate a network flow table;
In an example, as taking the user a as an example, a routing address pair of a network connection between three users, which is formed by respectively corresponding a source routing address IPA to a destination routing address IPB, IPE, and IPF, is written into an Openflow flow table of an SDN, and a level parameter for dynamically indicating a level of the network addressing relationship and for characterizing a strength of a social relationship between the users is also written into the Openflow flow table. Specifically, a "social relationship strength" field is added to the Openflow defined format, and the field may be defined as a level parameter of 1-10 (or more). As shown in fig. 7, in this example, a smaller rating parameter indicates a stronger social relationship, i.e., more frequent communications and data between users, and a larger rating parameter indicates a weaker connection between users.
in fact, according to the strength of the social relationship between the user a and other users, the service levels may be respectively associated to virtual networks with different service levels, and the service levels of each virtual network may be distinguished by Label Switched Path (LSP) labels of Multi-Protocol Label Switching (MPLS), so that a corresponding relationship between the strength of the social relationship of the user and the service priority in the LSP labels is formed, thereby implementing a mapping relationship between the service layer social network and the bearer network.
Through the field of 'social relationship strength' the network can be informed of the amount of reserved resources, or communication between two parties with a plurality of weak social relationships can be combined and carried on one IP connection, so that network resource occupation is reduced.
Step S605: and writing the network flow table into a network controller so that the network controller completes the link establishment of the network route according to the network flow table.
It should be noted that the specific implementation flows of steps S601, S602, and S605 in the second embodiment of the present invention are similar to steps S101, S102, and S104 in the first embodiment of the present invention, and are not described again here.
According to the method for realizing dynamic network connection, a service platform acquires a social relationship database and then constructs a network addressing relation based on the social relationship among users in the social relationship database; dynamically indicating the level of the network addressing relation according to a level parameter which is used for representing the strength of the social relation among the users in the social relation database; combining the network addressing relation and a level parameter used for representing the strength of the social relation between the users in the social relation database, and mapping to generate a network flow table; and then writing the network flow table into a network controller so that the network controller completes the link establishment of the network route according to the network flow table. Therefore, the social relationship of the users can be mapped to the network connection, so that the link establishment of the network route is more effectively carried out on the basis of effectively ensuring the service quality among the users, the network resource is saved, and the unnecessary network overhead is reduced; in addition, corresponding underlying network link resources are dynamically allocated according to the strength of the social relationship, so that the network has better flexibility, and the utilization rate of network resources is further improved.
the embodiment of the system is as follows:
Fig. 8 is a schematic structural diagram of a system for implementing dynamic network connection according to an embodiment of the present invention, and as shown in fig. 8, the system for implementing dynamic network connection according to an embodiment of the present invention includes a service platform 801 and a network controller 802;
the service platform 801 is used for acquiring a social relationship database; constructing a network addressing relation based on social relations among users in the social relation database; generating a network flow table according to the network addressing relation mapping; writing the network flow table to the network controller;
The network controller 802 is configured to complete link establishment of a network route according to the network flow table.
In an embodiment, the service platform 801 is specifically configured to form a social relationship network based on social relationships among users in the social relationship database; representing social relationships between users in the social relationship network by pairs of application layer addresses between users; and mapping the application layer address pair between the users into a routing address pair of network connection between the users.
wherein, the application layer address pair between the users comprises a source application layer address and a destination application layer address; the routing address pair of the network connection between the users comprises a source routing address and a destination routing address.
in an embodiment, the service platform 801 is specifically configured to write a routing address pair of a network connection between users into an Openflow flow table of a software defined network SDN.
in an embodiment, the service platform 801 is further configured to dynamically indicate the rank of the network addressing relationship according to the strength of the social relationship between users in the social relationship database; and generating a network flow table by combining the network addressing relation and the strength of the social relation among the users in the social relation database.
To sum up, the software defined network architecture based on the user social relationship shown in fig. 9 is designed based on the methods for implementing dynamic network connection shown in fig. 1 and fig. 6 in the embodiments of the present invention, and as shown in fig. 9, the method for implementing dynamic network connection in the embodiments of the present invention specifically includes the following steps:
step 1, forming a social relationship network based on social relationships among users in the social relationship database;
Step 2, representing the social relationship between the users through the application layer address pair between the users in the social relationship network;
step 3, mapping the application layer address pair between the users into a routing address pair of network connection between the users;
step 4, dynamically indicating the level of the network addressing relation according to a level parameter which is used for representing the strength of the social relation among the users in the social relation database;
Step 5, combining the network addressing relation and the level parameters used for representing the strength of the social relation among the users in the social relation database, and mapping to generate a network flow table;
Step 6, writing the network flow table into a network controller;
And 7, the network controller completes the link establishment of the network route according to the network flow table.
thus, according to the software defined network architecture based on the user social relationship shown in fig. 9 in the embodiment of the present invention, the user social relationship can be mapped to the network connection through the method flows of implementing the dynamic network connection in steps 1 to 9, so that the link establishment of the network route is performed more effectively on the basis of effectively ensuring the service quality between users, the network resources are saved, and the unnecessary network overhead is reduced; in addition, corresponding underlying network link resources are dynamically allocated according to the strength of the social relationship, so that the network has better flexibility, and the utilization rate of network resources is further improved.
The foregoing is merely an example of the embodiments of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the embodiments of the present invention, and these modifications and decorations should also be regarded as the protection scope of the embodiments of the present invention.
Claims (8)
1. a method for implementing dynamic network connectivity, the method comprising:
acquiring a social relationship database;
constructing a network addressing relation based on social relations among users in the social relation database;
generating a network flow table according to the network addressing relation mapping;
writing the network flow table into a network controller so that the network controller completes the link establishment of network routing according to the network flow table;
wherein the constructing of the network addressing relationship based on the social relationships among the users in the social relationship database comprises:
Forming a social relationship network based on social relationships between users in the social relationship database;
Representing social relationships between users in the social relationship network by pairs of application layer addresses between users;
And mapping the application layer address pair between the users into a routing address pair of network connection between the users.
2. the method of claim 1, wherein the application layer address pairs between the users comprise a source application layer address and a destination application layer address; the routing address pair of the network connection between the users comprises a source routing address and a destination routing address.
3. the method of claim 1, wherein generating a network flow table from the network addressing relationship mapping comprises:
And writing the routing address pairs of the network connection between the users into an Openflow flow table of the SDN.
4. the method according to any one of claims 1 to 3, further comprising:
dynamically indicating the level of the network addressing relation according to a level parameter which is used for representing the strength of the social relation among the users in the social relation database;
Correspondingly, generating a network flow table according to the network addressing relation mapping, including:
And generating a network flow table by mapping according to the network addressing relation and the level parameters used for representing the strength of the social relation between the users in the social relation database.
5. A system for realizing dynamic network connection is characterized in that the system comprises a service platform and a network controller;
The service platform is used for acquiring a social relation database; constructing a network addressing relation based on social relations among users in the social relation database; generating a network flow table according to the network addressing relation mapping; writing the network flow table to the network controller;
The network controller is used for completing the link establishment of the network route according to the network flow table;
The service platform is specifically used for forming a social relationship network based on social relationships among users in the social relationship database; representing social relationships between users in the social relationship network by pairs of application layer addresses between users; and mapping the application layer address pair between the users into a routing address pair of network connection between the users.
6. the system of claim 5, wherein the application layer address pairs between the users comprise a source application layer address and a destination application layer address; the routing address pair of the network connection between the users comprises a source routing address and a destination routing address.
7. The system of claim 5,
the service platform is specifically configured to write a routing address pair of network connection between users into an Openflow flow table of a software defined network SDN.
8. The system according to any one of claims 5 to 7,
the service platform is further used for dynamically indicating the level of the network addressing relation according to the strength of the social relation among the users in the social relation database; and generating a network flow table by combining the network addressing relation and the strength of the social relation among the users in the social relation database.
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