CN102404796B - Flow control method and system - Google Patents
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Abstract
The invention discloses a flow control method and system and relates to the field of flow control. An application server transmits a network attribution inquiry message to an ALTO server when receiving a service request sent by the client side, and controls the bandwidth of access service of the client side according to the bandwidth threshold in a network attribution response message returned by the ALTO server. The method and the system, which are disclosed by the invention, have the advantages that the flow of access service of consumers can be controlled, network resources can be utilized more effectively and more equitably, and the number of consumers that are served by the network at the same time can be increased and the degree of satisfaction of the consumers can be improved.
Description
Technical Field
The present invention relates to the field of flow control, and in particular, to a method and a system for flow control.
Background
At present, in a network, especially in a wireless network, a service shortage and a bearer bandwidth matching mechanism is frequently caused by the shortage of the mechanism, for example, a user watches a video of an 80Kbps code stream, but a client of the user buffers at a rate of 130Kbps, so that no problem is caused when the network is idle, on the contrary, the network utilization rate can be improved, and the time for the user to use the network is reduced.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method for controlling traffic, which can control a network bandwidth of a user access service.
A method of flow control, comprising: after receiving a service request sent by a client, an application server sends a network attribution query message to an ALTO server; and the application server controls the bandwidth of the client access service according to the bandwidth threshold in the network attribution response message returned by the ALTO server.
According to an embodiment of the present invention, after receiving a network affiliation query message sent by the application server, the ALTO server determines whether the client is a mobile terminal, and when the client is a mobile terminal, determines a bandwidth threshold used by the client according to a service applied by the client, and sends the bandwidth threshold to the application server; wherein, the network attribution inquiry message comprises a client number and an applied service type.
According to an embodiment of the present invention, the controlling, by the application server, the bandwidth of the client access traffic according to the bandwidth threshold in the network home response message returned by the ALTO server includes: the application server sends the bandwidth threshold to the client, and the client controls service flow according to the bandwidth threshold; or, the application server sends the bandwidth threshold to a traffic control device in a network or a server providing the service, and the traffic control device or the server providing the service controls the traffic of the client service according to the bandwidth threshold.
According to one embodiment of the present invention, the bearer network information base in the ALTO server stores network information, including: network topology, link bandwidth, network state, network usage policy, server information; a policy repository unit in the ALTO server provides service policies upon receiving a request, including providing different service policies for different traffic types and permissions; and when the ALTO server receives the network attribution inquiry message sent by the application server, judging that the client is a mobile terminal, and matching the uplink and downlink bandwidths of the service access by the client according to the network condition of the service applied by the client and the access authority of the service by the client.
According to one embodiment of the invention, the application server integrates an ALTO client; the application server sends a network attribution query message to an ALTO server through the ALTO client; the ALTO server returns a network attribution response message to the ALTO client; wherein, the network attribution inquiry message and the network attribution response message are packaged into HTTP protocol message and transmitted through 8080 port; the traffic includes P2P traffic.
The method controls the flow of the user access service, more effectively and fairly utilizes network resources, and improves the number of users and the satisfaction degree of customers which can be simultaneously served by the network.
The technical problem to be solved by the present invention is to provide a method for controlling flow, which can control the network bandwidth of the user access service.
A method of flow control, comprising: the client sends a network attribution query message to the ALTO server when requesting service; and the client controls the bandwidth of the access service according to the bandwidth threshold in the network attribution response message returned by the ALTO server.
According to an embodiment of the present invention, after receiving the network attribution query message, the ALTO server determines whether the client is a mobile terminal, and when the client is a mobile terminal, determines a bandwidth threshold used by the client according to a service applied by the client; wherein, the network attribution inquiry message comprises a client number and an applied service type.
According to one embodiment of the present invention, the bearer network information base in the ALTO server stores network information, including: network topology, link bandwidth, network state, network usage policy, server information; a policy repository unit in the ALTO server provides service policies upon receiving a request, including providing different service policies for different traffic types and permissions; and when the ALTO server receives the network attribution inquiry message, judging that the client is a mobile terminal, and matching the uplink and downlink bandwidths of the client for the service access according to the network condition of the service applied by the client and the access authority of the client for the service.
According to one embodiment of the invention, the client integrates an ALTO client; the client sends a network attribution query message to an ALTO server through the ALTO client; the ALTO server returns a network attribution response message to the ALTO client; wherein, the network attribution inquiry message and the network attribution response message are packaged into HTTP protocol message and transmitted through 8080 port; the traffic includes P2P traffic.
The invention aims to solve the technical problem of providing a flow control system which can control the network bandwidth of a user access service.
A flow control system comprises a client and an application server, and further comprises: the ALTO server sends a network attribution query message to the ALTO server after receiving the service request sent by the client; or, when requesting service, the client sends a network attribution query message to the ALTO server; the ALTO server returns a network attribution response message; and the application server and the client control the bandwidth of the access service of the client according to the bandwidth threshold in the network attribution response message.
According to one embodiment of the system of the present invention, after receiving a network attribution query message sent by the application server, the ALTO server determines whether the client is a mobile terminal, and when the client is a mobile terminal, the ALTO server determines a bandwidth threshold used by the client according to a service applied by the client; wherein, the network attribution inquiry message comprises a client number and an applied service type.
According to an embodiment of the system of the present invention, the application server sends the bandwidth threshold to the client, and the client controls the traffic flow according to the bandwidth threshold; or, the application server sends the bandwidth threshold to a traffic control device in a network or a server providing the service, and the traffic control device or the server providing the service controls the traffic of the client service according to the bandwidth threshold.
According to one embodiment of the system of the present invention, the carrier network information base in the ALTO server stores network information, including: network topology, link bandwidth, network state, network usage policy, server information; a policy repository unit in the ALTO server provides service policies upon receiving a request, including providing different service policies for different traffic types and permissions; and when the ALTO server receives the network attribution inquiry message sent by the application server, judging that the client is a mobile terminal, and matching the uplink and downlink bandwidths of the service access by the client according to the network condition of the service applied by the client and the access authority of the service by the client.
According to one embodiment of the system of the present invention, an ALTO client is integrated among the application server and the client; the application server or the client sends a network attribution query message to an ALTO server through the ALTO client; the ALTO server returns a network attribution response message to the ALTO client; wherein, the network attribution inquiry message and the network attribution response message are packaged into HTTP protocol message and transmitted through 8080 port; the traffic includes P2P traffic. The SMDPP response message received by the short message center of the invention expands the field for identifying the LAI, and the result of the short message statistical analysis by the short message center is accurate to the position area where the user terminal is located in the area granularity, thus being capable of providing more accurate evaluation for the quality of the short message service in the network.
The system of the invention controls the flow of the user access service, more effectively and fairly utilizes the network resource, and improves the number of users which can be simultaneously served by the network and the satisfaction degree of customers.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow diagram of one embodiment of a flow control method according to the present invention;
FIG. 2 is a flow chart of another embodiment of a flow control method according to the present invention;
FIG. 3 is a flow chart of yet another embodiment of a flow control method according to the present invention;
fig. 4 is a schematic diagram of a flow control system according to an embodiment of the present invention.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
And the ALTO (Application-Layer Traffic Optimization) optimizes the Application Layer Traffic by utilizing the network information. The application object of the ALTO is not limited to the P2P application, but can also be used for other non-P2P applications, for example, providing information to select a suitable relay for NAT traversal, which can improve the performance of the application and reduce the resource consumption of the underlying network. The ALTO service may be deployed on various physical nodes, such as dedicated servers, routers, or super nodes applied by the network operator's P2P. ALTO services are specified to meet the following requirements: the ALTO service must implement several well-defined interfaces that ALTO clients can access and obtain the information needed to help make decisions. The ALTO client must be able to discover the ALTO service in order to send the request. ALTO has no limitation on the access pattern of client applications, such as a client or server that may be a P2P application. The syntax and semantics of the ALTO protocol must be Extensible to be able to adapt to new applications. Clients of ALTO must be able to function properly if ALTO is not available. The ALTO protocol must be designed to allow operators other than the network owner to provide ALTO services, and so on. A network operator may choose to deploy network matching services in different levels of autonomous domains. The ALTO technology provides a network information service based on a client/server architecture, mainly provides service for P2P applications, P2P applications have many resource providers, and many alternatives are available for selecting resource providers, some mechanisms are needed to help the resource providers to select, and it is a good idea to select the resource providers by obtaining accurate information such as network topology and network traffic. The purpose of ALTO is to allow efficient cooperation between applications and network providers, making more efficient and fair use of network resources while improving or maintaining the high performance of applications. The technical solution of the present invention is described in various aspects below with reference to various figures and embodiments.
Fig. 1 is a flow chart of one embodiment of a flow control method according to the present invention. As shown in fig. 1:
And 103, controlling the bandwidth of the service accessed by the client by the application server according to the bandwidth threshold in the network attribution response message returned by the ALTO server.
According to one embodiment of the invention, after receiving a network attribution query message sent by an application server, an ALTO server judges whether a client is a mobile terminal, and when the client is the mobile terminal, determines a bandwidth threshold used by the client according to a service applied by the client, and sends the bandwidth threshold to the application server. According to one embodiment of the invention, if the client accesses the service through the network, such as a PC or a PDA, the ALTO server determines the bandwidth threshold used by the client according to the service applied by the client. The network attribution inquiry message comprises a client number and an applied service type. The application server sends the bandwidth threshold to the client, and the client controls the service flow according to the bandwidth threshold. Or, the application server sends the bandwidth threshold to the traffic control device or the server providing the service in the network, and the traffic control device or the server providing the service controls the traffic of the client service according to the bandwidth threshold.
According to one embodiment of the invention, a client sends a network attribution query message to an ALTO server when requesting traffic; and the client controls the bandwidth of the access service according to the bandwidth threshold in the network attribution response message returned by the ALTO server. The client integrates the ALTO client, and the client sends a network attribution query message to the ALTO server through the ALTO client. The ALTO server returns a network attribution response message to the ALTO client.
According to one embodiment of the invention, the bearer network information base in the ALTO server stores network information, including: network topology, link bandwidth, network status, network usage policies, server information. A policy library element in the ALTO server provides service policies upon receipt of a request, including providing different service policies for different traffic types and entitlements. When the ALTO server receives the network attribution inquiry message sent by the application server, the client is judged to be the mobile terminal, and the uplink bandwidth and the downlink bandwidth of the client for service access are matched according to the network condition of the service applied by the client and the access authority of the client for the service. The application server integrates ALTO clients. And the application server sends a network attribution query message to the ALTO server through the ALTO client. The ALTO server returns a network attribution response message to the ALTO client. The network attribution inquiry message and the network attribution response message are packaged into HTTP protocol messages and transmitted through an 8080 port. The traffic includes P2P traffic.
Fig. 2 is a flow chart of another embodiment of a flow control method according to the present invention. As shown in fig. 2:
step 201, the client sends a service request to the application server.
Step 202, after receiving the service request sent by the client, the application server sends a network attribution query message to the ALTO server.
At step 203, the ALTO server returns a network home response message to the application server. The application server integrates the ALTO client through the end service of the ALTO. And the application server sends a network attribution query message to the ALTO server through the ALTO client. The ALTO server returns a network attribution response message to the ALTO client. The network attribution inquiry message and the network attribution response message are packaged into HTTP protocol messages and transmitted through an 8080 port. The service is a P2P service.
And step 204, the application server sends the bandwidth threshold to the client according to the bandwidth threshold in the network attribution response message returned by the ALTO server.
In step 205, the client performs flow control during service access according to the bandwidth threshold.
Fig. 3 is a flow chart of yet another embodiment of a flow control method according to the present invention. As shown in fig. 2:
step 301, the client sends a service request to the application server.
Step 302, after receiving the service request sent by the client, the application server sends a network attribution query message to the ALTO server.
At step 303, the ALTO server returns a network home response message to the application server.
In step 304, the application server sends the bandwidth threshold to the traffic control device in the network or the server providing the service according to the bandwidth threshold in the network attribution response message returned by the ALTO server. Due to the adoption of the load balancing technology, the traffic load can be distributed to a plurality of servers for one service.
In step 305, the traffic control device or the service providing server controls the traffic of the client service according to the bandwidth threshold.
Fig. 4 is a schematic diagram of a flow control system according to an embodiment of the present invention. As shown in figure 4 of the drawings,
the system for flow control comprises clients 41 and 42, application server 43, and ALTO server 44, application server 43 sends a network home query message to ALTO server 44 after receiving a traffic request sent by client 41. ALTO server 44 returns a network home response message to application server 43. The application server 43 controls the bandwidth of the service accessed by the client 41 according to the bandwidth threshold in the network attribution response message.
According to an embodiment of the present invention, ALTO server 44 determines whether client 41 is a mobile terminal after receiving a network attribution query message sent by application server 43, and if client 41 is a mobile terminal, ALTO server 44 determines a bandwidth threshold used by client 41 according to a service applied by client 41 and sends the bandwidth threshold to application server 43. The network attribution inquiry message comprises a client number and an applied service type. The client number may be the number of the mobile terminal or the number of the fixed telephone, or some other identification of the client. The application server 43 sends the bandwidth threshold to the client 41, and the client 41 controls the traffic flow according to the bandwidth threshold. Alternatively, the application server 43 sends the bandwidth threshold to the traffic control device or the service providing server 45 in the network, and the traffic control device or the service providing server 45 controls the traffic of the client service according to the bandwidth threshold.
According to one embodiment of the invention, client 41 or 42 sends a network home query message to ALTO server 44 when requesting traffic. And the client 41 or 42 controls the bandwidth of the access service according to the bandwidth threshold in the network attribution response message returned by the ALTO server. Client 41 or 42 integrates an ALTO client through which client 41 or 42 sends a network attribution query message to the ALTO server. ALTO server 44 returns a network home response message to the ALTO client.
According to one embodiment of the present invention, the bearer network information base in ALTO server 44 stores network information, including: network topology, link bandwidth, network status, network usage policies, server information. The policy library element in ALTO server 44 provides service policies upon receipt of the request, including providing different service policies for different traffic types and entitlements. When receiving the network attribution query message sent by the application server 43, the ALTO server 44 determines that the client 41 is a mobile terminal, and matches the uplink and downlink bandwidths of the client 41 for service access according to the network status of the service applied by the client and the access right of the client 41 for the service. Application server 43 integrates ALTO clients. Application server 43 sends a network home query message to ALTO server 44 via the ALTO client. ALTO server 44 returns a network home response message to the ALTO client. The network attribution inquiry message and the network attribution response message are packaged into HTTP protocol messages and transmitted through an 8080 port. The traffic includes P2P traffic.
The invention can improve the user experience of wireless data service as much as possible under the condition that the access bandwidth bottleneck of the current network, especially the wireless access network, can not be solved. And as many users as possible can have the wireless access bandwidth matched with the service, but the redundant resources are not occupied currently.
The method and system of the present invention may be implemented in a number of ways. For example, the methods and systems of the present invention may be implemented in software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustrative purposes only, and the steps of the method of the present invention are not limited to the order specifically described above unless specifically indicated otherwise. Furthermore, in some embodiments, the present invention may also be embodied as a program recorded in a recording medium, the program including machine-readable instructions for implementing a method according to the present invention. Thus, the present invention also covers a recording medium storing a program for executing the method according to the present invention.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. A method of flow control, comprising:
after receiving a service request sent by a client, an application server sends a network attribution query message to an ALTO server;
the application server controls the bandwidth of the client access service according to the bandwidth threshold in the network attribution response message returned by the ALTO server;
after receiving a network attribution query message sent by the application server, the ALTO server judges whether the client is a mobile terminal, determines a bandwidth threshold used by the client according to a service applied by the client when the client is the mobile terminal, and sends the bandwidth threshold to the application server; wherein, the network attribution inquiry message comprises a client number and an applied service type;
the application server controls the bandwidth of the client access service according to the bandwidth threshold in the network attribution response message returned by the ALTO server, and the method comprises the following steps:
the application server sends the bandwidth threshold to the client, and the client controls service flow according to the bandwidth threshold; or,
and the application server sends the bandwidth threshold to flow control equipment in a network or a server providing the service, and the flow control equipment or the server providing the service controls the flow of the client service according to the bandwidth threshold.
2. The method of claim 1, wherein:
the carrying network information base in the ALTO server stores network information, which comprises: network topology, link bandwidth, network state, network usage policy, server information;
a policy repository unit in the ALTO server provides service policies upon receiving a request, including providing different service policies for different traffic types and permissions;
and when the ALTO server receives the network attribution inquiry message sent by the application server, judging that the client is a mobile terminal, and matching the uplink and downlink bandwidths of the service access by the client according to the network condition of the service applied by the client and the access authority of the service by the client.
3. The method of claim 1, wherein:
the application server integrates an ALTO client; the application server sends a network attribution query message to an ALTO server through the ALTO client; the ALTO server returns a network attribution response message to the ALTO client;
wherein, the network attribution inquiry message and the network attribution response message are packaged into HTTP protocol message and transmitted through 8080 port; the traffic includes P2P traffic.
4. A method of flow control, comprising:
the client sends a network attribution query message to the ALTO server when requesting service;
the client controls the bandwidth of the access service according to the bandwidth threshold in the network attribution response message returned by the ALTO server;
after receiving the network attribution query message, the ALTO server judges whether the client is a mobile terminal, and when the client is the mobile terminal, the ALTO server determines a bandwidth threshold used by the client according to the service applied by the client;
wherein, the network attribution inquiry message comprises a client number and an applied service type;
the carrying network information base in the ALTO server stores network information, which comprises: network topology, link bandwidth, network state, network usage policy, server information;
a policy repository unit in the ALTO server provides service policies upon receiving a request, including providing different service policies for different traffic types and permissions;
and when the ALTO server receives the network attribution inquiry message, judging that the client is a mobile terminal, and matching the uplink and downlink bandwidths of the client for the service access according to the network condition of the service applied by the client and the access authority of the client for the service.
5. The method of claim 4, wherein:
the client integrates an ALTO client; the client sends a network attribution query message to an ALTO server through the ALTO client; the ALTO server returns a network attribution response message to the ALTO client;
wherein, the network attribution inquiry message and the network attribution response message are packaged into HTTP protocol message and transmitted through 8080 port; the traffic includes P2P traffic.
6. A flow control system comprises a client and an application server, and is characterized by further comprising: an ALTO server;
after receiving the service request sent by the client, the application server sends a network attribution query message to the ALTO server; or, when requesting service, the client sends a network attribution query message to the ALTO server;
the ALTO server returns a network attribution response message after receiving the network attribution query message;
the application server or the client controls the bandwidth of the access service of the client according to the bandwidth threshold in the network attribution response message;
after receiving the network attribution query message, the ALTO server judges whether the client is a mobile terminal, and when the client is the mobile terminal, the ALTO server determines a bandwidth threshold used by the client according to the service applied by the client;
wherein, the network attribution inquiry message comprises a client number and an applied service type;
the application server sends the bandwidth threshold to the client, and the client controls service flow according to the bandwidth threshold; or,
and the application server sends the bandwidth threshold to flow control equipment in a network or a server providing the service, and the flow control equipment or the server providing the service controls the flow of the client service according to the bandwidth threshold.
7. The system of claim 6, wherein:
the carrying network information base in the ALTO server stores network information, which comprises: network topology, link bandwidth, network state, network usage policy, server information;
a policy repository unit in the ALTO server provides service policies upon receiving a request, including providing different service policies for different traffic types and permissions;
and when the ALTO server receives the network attribution inquiry message, judging that the client is a mobile terminal, and matching the uplink and downlink bandwidths of the client for the service access according to the network condition of the service applied by the client and the access authority of the client for the service.
8. The system of claim 6, wherein:
integrating an ALTO client in the application server and the client; the application server or the client sends a network attribution query message to an ALTO server through the ALTO client;
the ALTO server returns a network attribution response message to the ALTO client; wherein, the network attribution inquiry message and the network attribution response message are packaged into HTTP protocol message and transmitted through 8080 port; the traffic includes P2P traffic.
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| CN102780776B (en) * | 2012-07-19 | 2018-03-27 | 中兴通讯股份有限公司 | Application layer transmission optimization server finds method and device |
| WO2015176650A1 (en) * | 2014-05-20 | 2015-11-26 | Huawei Technologies Co., Ltd. | Method for optimizing network traffic engineering and system thereof |
| CN110896553B (en) * | 2018-09-12 | 2022-11-11 | 中国电信股份有限公司 | Multi-access edge computing method and platform and communication system |
| CN117201487A (en) * | 2022-05-31 | 2023-12-08 | 华为技术有限公司 | Communication method based on ALTO protocol and related device |
| CN118102378A (en) * | 2022-11-25 | 2024-05-28 | 腾讯科技（深圳）有限公司 | Data transmission optimization method, device, computer readable medium and electronic equipment |
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