CN101399819A - Method for dynamically controlling speed of DSL device port - Google Patents
Method for dynamically controlling speed of DSL device port Download PDFInfo
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- CN101399819A CN101399819A CNA2007101525435A CN200710152543A CN101399819A CN 101399819 A CN101399819 A CN 101399819A CN A2007101525435 A CNA2007101525435 A CN A2007101525435A CN 200710152543 A CN200710152543 A CN 200710152543A CN 101399819 A CN101399819 A CN 101399819A
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Abstract
The invention discloses a method for dynamically controlling a port rate for a DSL device, comprising: firstly, in a network which is at least composed of a BRAS device, a switch and the DSL device, a control protocol is supported between the BRAS and the DSL, and a controller on the BRAS device realizes trigger and request control on the DSL device; secondly, a report/execution function module in the DSL device transmits a message to send basic information of the DSL device and a consultation result between the DSL device and a terminal device to the BRAS device; thirdly, when ports of the DSL device are increased or decreased, the DSL device transmits a message containing the basic information of the current DSL device to the BRAS device by the report/execution function module, and the BRAS device controls the port rate of the DSL device according to the message and the consultation result of the step two. The invention can dynamically obtain the port rate consulted by the current DSL and a user, thereby a reference data which is much closer to an actual rate is provided for QoS control.
Description
Technical field
The invention belongs to the mechanics of communication class, relate in particular to a kind of DSL (digital subscriber line, Digital Subscriber Line) dynamic strategy adjustment technology.
Background technology
In based on packet switching, multiple business and the next generation network deposited, being the key requirement of NGN (Next GenerationNetwork) for the miscellaneous service with different service quality requirement provides corresponding QoS to guarantee how, also is a focus of present industry research.E.800, ITU-T's is " the decision user is to the resultant effect of the service feature of service satisfactory degree " to the definition of QoS.Furtherly, QoS comprises two layers of meaning: service feature and professional difference.To the assurance of service feature should be end to end, continuous, predictable, more than or equal to predetermined value, the key network layer parameter that embodies service feature has time delay, shake and packet loss.
In QoS framework end to end, key problem is exactly how to make limited Internet resources optimization to support the different QoS requirement of multiple business in the network environment of multi-access technology and multi-management area.Therefore, network must be enough flexible and intelligent on resource allocation and service delivery, and can not be as traditional Internet that does one's best passive, that need end subscriber to adapt to.
And because the bandwidth of the circuit reality of DSL is not only relevant with line configuring, also relevant with the situation (comprising length, factors such as interference on every side) of circuit reality.Therefore,, especially how to carry out effective resource control and management, become the key point that IP network provides QoS how according to qos policy control with manage a series of network behaviors.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method of dynamic control dsl device port speed, to solve the problem of the negotiated speed how can realize obtaining the current reality of DSL port.
In order to solve the problems of the technologies described above, the invention provides a kind of method of dynamic control dsl device port speed, it is characterized in that, may further comprise the steps:
(1) network of being made up of BRAS equipment, switch and dsl device at least will be supported control protocol between this BRAS and the DSL, and realize the triggering and the request of described dsl device are controlled by the controller on the BRAS equipment;
(2) report in the described dsl device/execution functional module transmits a message essential information of this dsl device and the negotiation result of this dsl device and terminal equipment is issued described BRAS equipment;
(3) when the dsl device port increases or reduce, this dsl device transmits a message that comprises the essential information of current dsl device by its report/execution functional module and gives BRAS equipment, described BRAS equipment is controlled the dsl device port speed according to the negotiation result of this message and step (2).
Method of the present invention, wherein, control protocol described in the step (1) is for by expanding the control protocol that the GSMPv3 agreement realizes at IP layer or TCP/UDP layer.
Wherein, switch described in the step (1) is supported Ethernet or atm network;
Wherein, message described in the step (3) is GSMP PORT UP EVENT message;
The essential information of dsl device described in the step (3) comprises: minimum-rate under circuit types, port status, actual speed rate, minimum-rate, maximum rate, the low-power consumption;
Wherein, described dsl device is apparatus for network node or Layer 2 switch equipment;
Wherein, described step (3) further comprises:
When the dsl device port increases or reduce, this dsl device transmits a message that comprises the essential information of current dsl device by its report/execution functional module and gives BRAS equipment, described BRAS equipment is responded an acknowledge message and according to the negotiation result that receives message and step (2), the dsl device port speed is controlled.
Adopt the present invention can dynamically obtain the port speed that current DSL and user consult, thereby provide one more near the reference data of actual speed rate for QoS controls.
Description of drawings
Fig. 1 is the application network structure chart of the method for the described a kind of dynamic control dsl device port speed of the embodiment of the invention;
Fig. 2 is the method flow schematic diagram of the described a kind of dynamic control dsl device port speed of the embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments content of the present invention is elaborated.
The method that the purpose of this invention is to provide a kind of dynamic control DSL port negotiation speed.By this method, can realize obtaining the negotiated speed of the current reality of DSL port.
Shown in Fig. 1 and 2, the object of the present invention is achieved like this: a kind of roughly method of dynamic control DSL port negotiation speed is to carry out networking according to Fig. 1 mode; Support control protocol to realize between BRAS (BroadbandRemote Access Server, Broadband Remote Access Server) equipment and the dsl device by expansion GSMPv3 agreement, and as the communication protocol between BRAS equipment and the dsl device; The negotiation result of the own port of dsl device active notification BRAS equipment; New port of every increase, DSL are reported increases a port speed; Port of every minimizing, DSL reports the corresponding port and closes, and described BRAS equipment is controlled the dsl device port speed according to the message and the negotiation result that increase or reduce port.
As shown in Figure 2, the method for the embodiment of the invention specifically comprises the following steps:
Because adopted above technical scheme, the present invention can realize the method for the dynamic acquisition of port speed.
As shown in Figure 1, the control protocol that between BRAS equipment and dsl device (Access Node also might be a Layer 2 switch), realizes.Wherein, in the The whole control framework, two kinds of functional entitys are arranged:
Controller function (controller): this function or be used for asking to have the needed information of network element of controller function, perhaps trigger the certain behavior on the network element (finish packet and upload/download the business unit of (dividing to insert/multiplexing), general every equipment (node) can become a network element) with report/execution function.Controller function resides on the BRAS equipment.
Report/execution function (reporting and/or enforcement) module: function of reporting is used for to controller transmit mode information, and controller is carried out local function with these information.Carry out the function controlled device and trigger the action an of this locality.Report/execution functional module resides on the dsl device.
Control protocol between BRAS equipment recited above and the dsl device is that (Internet Engineering Task Force IETF) realizes by expanding GSMPv3 (GlobalSwitch Management Protocol v3) agreement the Internet engineering work group.Wherein the main points of agreement are, must realize at IP layer or TCP/UDP layer, and so no matter between DSL and the BRAS Ethernet or ATM (asynchronous transfer mode, asynchronous transfer mode), can move this agreement.
For the grade of service of expectation is provided, before user's login and access service, BRAS equipment need be recognized the initial attribute of dsl device circuit.For the DSL subscriber, the line bandwidth of dsl device reality (maximum, minimum, reality) is relevant with negotiation result.
After DSL local side apparatus and terminal equipment were consulted to finish, local side apparatus can obtain the bandwidth of user on this circuit.DSL produced and transmitted a GSMP PORT UP EVENT message and gives BRAS this moment, comprised the following information of DSL circuit in the message:
Circuit types: indicating circuit is ADSL, VDSL etc.;
Port status: up or down;
Actual speed rate (up/descending);
Minimum-rate (up/descending);
Maximum rate (up/descending);
Minimum-rate under the low-power consumption (up/descending);
Each dsl device port up gets up, and dsl device all can be sent out a message that comprises surface information to BRAS equipment.BRAS equipment is accepted after this information, can respond a message and confirm.Back BRAS equipment can be according to the actual speed rate of dsl device port negotiation, and this port data stream is realized shaper, avoiding dsl device packet loss again, thereby improves the flow forwarding model.
When dsl device circuit lossing signal, dsl device produces a PORT DOWN message and sends BRAS equipment to.
Employing the application can realize the dynamic-configuration adjustment in the dsl device running, thereby can support dynamic multicast control, emerging service functions such as dynamic bandwidth adjustment.
Because adopted above technical scheme, the present invention can realize the method for the dynamic acquisition of port speed.
The above only is an illustrated embodiment of the present invention, should know that this can have many modification, this modification is not considered to break away from the spirit and scope of illustrated embodiment of the present invention, and the conspicuous modification of all such those of ordinary skills is within the scope of the appended claims involved.
Claims (7)
1, a kind of method of dynamic control dsl device port speed is characterized in that, may further comprise the steps:
(1) network of being made up of BRAS equipment, switch and dsl device at least will be supported control protocol between this BRAS and the DSL, and realize the triggering and the request of described dsl device are controlled by the controller on the BRAS equipment;
(2) report in the described dsl device/execution functional module transmits a message essential information of this dsl device and the negotiation result of this dsl device and terminal equipment is issued described BRAS equipment;
(3) when the dsl device port increases or reduce, this dsl device transmits a message that comprises the essential information of current dsl device by its report/execution functional module and gives BRAS equipment, described BRAS equipment is controlled the dsl device port speed according to the negotiation result of this message and step (2).
2, the method for claim 1 is characterized in that, control protocol described in the step (1) is for by expanding the control protocol that the GSMPv3 agreement realizes at IP layer or TCP/UDP layer.
3, the method for claim 1 is characterized in that, switch described in the step (1) is supported Ethernet or atm network.
4, the method for claim 1 is characterized in that, message described in the step (3) is GSMP PORT UP EVENT message.
5, the method for claim 1 is characterized in that, the essential information of dsl device described in the step (3) comprises: minimum-rate under circuit types, port status, actual speed rate, minimum-rate, maximum rate, the low-power consumption.
6, the method for claim 1 is characterized in that, described dsl device is apparatus for network node or Layer 2 switch equipment.
7, the method for claim 1 is characterized in that, described step (3) further comprises:
When the dsl device port increases or reduce, this dsl device transmits a message that comprises the essential information of current dsl device by its report/execution functional module and gives BRAS equipment, described BRAS equipment is responded an acknowledge message and according to the negotiation result that receives message and step (2), the dsl device port speed is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710152543A CN101399819B (en) | 2007-09-27 | 2007-09-27 | Method for dynamically controlling speed of DSL device port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710152543A CN101399819B (en) | 2007-09-27 | 2007-09-27 | Method for dynamically controlling speed of DSL device port |
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| Publication Number | Publication Date |
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| CN101399819A true CN101399819A (en) | 2009-04-01 |
| CN101399819B CN101399819B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200710152543A Expired - Fee Related CN101399819B (en) | 2007-09-27 | 2007-09-27 | Method for dynamically controlling speed of DSL device port |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104530A (en) * | 2009-12-21 | 2011-06-22 | 上海贝尔股份有限公司 | Method and equipment for controlling rate of Ethernet port |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1951044A (en) * | 2004-05-04 | 2007-04-18 | 德州仪器公司 | Configurable DSL transceiver |
| CN1980295B (en) * | 2005-12-03 | 2011-12-28 | 华为技术有限公司 | Method for realizing interconnecting digit subscriber wire network and wireless communication network |
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2007
- 2007-09-27 CN CN200710152543A patent/CN101399819B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104530A (en) * | 2009-12-21 | 2011-06-22 | 上海贝尔股份有限公司 | Method and equipment for controlling rate of Ethernet port |
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| CN101399819B (en) | 2012-09-05 |
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Granted publication date: 20120905 Termination date: 20170927 |