CN106453124A - Traffic scheduling method and device - Google Patents
Traffic scheduling method and device Download PDFInfo
- Publication number
- CN106453124A CN106453124A CN201610947918.6A CN201610947918A CN106453124A CN 106453124 A CN106453124 A CN 106453124A CN 201610947918 A CN201610947918 A CN 201610947918A CN 106453124 A CN106453124 A CN 106453124A
- Authority
- CN
- China
- Prior art keywords
- network element
- bras network
- target bras
- load information
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/287—Remote access server, e.g. BRAS
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a traffic scheduling method and device. The method is applied to a service orchestrator. The service orchestrator is used for managing a plurality of BRAS network elements. The method comprises the following steps: obtaining load information of a target BRAS network element in the plurality of BRAS network elements; when the state of the target BRAS network element is in a normal state, judging whether the target BRAS network element is overloaded according to the obtained load information; and if so, switching the state of the target BRAS network element from the normal state to an overload state, determining delay time corresponding to the target BRAS network element and notifying the target BRAS network element to configure the delay time to enable the target BRAS network element to respond after waiting the delay time when receiving an access initiating message sent by a client, wherein the larger the overload degree of the target BRAS network element is, the longer the corresponding delay time is.
Description
Technical field
The application is related to network communication technology field, more particularly to a kind of traffic scheduling method and device.
Background technology
Broadband Remote Access Server (Broadband Remote Access Server, BRAS) be towards broadband network
The access gateway of application, it be located at backbone network marginal layer, can complete user bandwidth IP (Internet Protocol, because
Special fidonetFido)/ATM (Asynchronous Transfer Mode, asynchronous transfer mode) net data access, realize commercial building
Space and the broadband access network of neighbours living.
In Metropolitan Area Network (MAN) (Metropolitan Area Network, MAN) network model, broadband user is by OLT
(Optical Line Terminal, optical line terminal) is accessed, then passes through POP (Point of Present, business is presented a little)
Switch (or being referred to as office side's convergence switch) is connected to BRAS.
As shown in figure 1, modal broadband access virtualization scheme is vBRAS (virtual BRAS) resource pool scheme at present,
Broadband user that in traditional networking a physics BRAS can carry is carried by multiple stage vBRAS in resource pool.
Currently modal access way is PPPoE (Point-to-Point Protocol over Ethernet, base
Point-to-point protocol in Ethernet).Specifically, pppoe client passes through PADI (PPPoE Active Discovery first
Initial, PPPoE activity finds initial) message initiating the foundation of pppoe session, in networking as shown in Figure 1, resource
Multiple stage vBRAS (as PPPoE server) in pond can all receive the PADI message and be responded, pppoe client meeting
Pppoe session is set up with the vBRAS for responding at first.But, in this case, cannot just realize the multiple stage in resource pool
The load balancing of vBRAS.
Content of the invention
In view of this, the application provides a kind of traffic scheduling method and device.
Specifically, the application is achieved by the following technical solution:
On the one hand, there is provided a kind of traffic scheduling method, the method is applied to SO, SO for managing multiple BRAS network elements,
The method includes:
Obtain the load information of the target BRAS network element in multiple BRAS network elements;
When the state of target BRAS network element is normal condition, according to the load information for obtaining, target BRAS network element is judged
Whether transship;
If so, then the state of target BRAS network element is switched to overload from normal condition, determines target BRAS network element
Corresponding time delay, target BRAS network element configuration time delay is notified, so that target BRAS network element is receiving client
After message is initiated in the access that sends, after waiting the time delay, response is carried out;Wherein, target BRAS network element overload degree is bigger,
Corresponding time delay is longer.
On the other hand, a kind of flow scheduling device is additionally provided, the device is applied in SO, SO is used for managing multiple BRAS
Network element, the device includes:
Acquiring unit, for obtaining the load information of the target BRAS network element in multiple BRAS network elements;
Judging unit, during for the state in target BRAS network element for normal condition, according to the load that acquiring unit is obtained
Information, judges whether target BRAS network element transships;
Processing unit, if judging target BRAS network element overload for judging unit, by the state of target BRAS network element
Overload is switched to from normal condition, determine target BRAS network element corresponding time delay, notify target BRAS network element configuration
The time delay, so that target BRAS network element waits the time delay after the access initiation message that client is sent is received
After carry out response;Wherein, target BRAS network element overload degree is bigger, and corresponding time delay is longer.
By the above technical scheme of the application, arranging service device can get the arbitrary BRAS in multiple BRAS network elements
The load information of network element, when the state of BRAS network element is normal condition, if according to the load information for obtaining, judge the BRAS
Network element become overloaded, then from normal condition, the state of the BRAS network element is switched to overload, calculate the BRAS network element
Corresponding time delay, and notify BRAS network element configuration time delay, so, the BRAS network element is sent out receiving client
After message is initiated in the access for coming, after the time delay can be waited, response is carried out.As the overload degree of BRAS network element is bigger, postpone
Time longer, therefore, message is initiated in the access that at first client can be sent of BRAS network element for loading minimum in resource pool
Response is carried out, and session is set up with client, so as to pass through to carry on flow scheduling to the little BRAS network element of load, it is achieved that
The load balancing between BRAS network element in resource pool.
Description of the drawings
Fig. 1 is the metropolitan area network construction configuration diagram using broadband access virtualization scheme;
Fig. 2 is the metropolitan area network construction configuration diagram shown in one exemplary embodiment of the application;
Fig. 3 is the flow chart of the traffic scheduling method shown in one exemplary embodiment of the application;
Fig. 4 is the hardware knot of the arranging service device applied by the flow scheduling device shown in one exemplary embodiment of the application
Structure schematic diagram;
Fig. 5 is the structural representation of the flow scheduling device shown in one exemplary embodiment of the application.
Specific embodiment
Here in detail exemplary embodiment will be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.Conversely, they be only with as appended by
The example of consistent apparatus and method in terms of some that described in detail in claims, the application.
It is the purpose only merely for description specific embodiment in term used in this application, and is not intended to be limiting the application.
" one kind ", " described " and " being somebody's turn to do " of singulative used in the application and appended claims is also intended to include majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein is referred to and is wrapped
Containing one or more associated any or all possible combination for listing project.
It will be appreciated that though term first, second, third, etc. may be adopted in the application describe various information, but this
A little information should not necessarily be limited by these terms.These terms are only used for same type of information is distinguished from each other out.For example, without departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
In order to the problem of load balancing of multiple stage vBRAS in resource pool is solved, one kind in the application following examples, is provided
Traffic scheduling method, and a kind of flow scheduling device that can apply the method.
The metropolitan area network construction framework of the embodiment of the present application is as shown in Fig. 2 mainly include:Arranging service device (Service
Orchestrator, SO), the multiple stage BRAS network element in resource pool, POP switch and OLT.Client (not shown in Fig. 2)
Via the multiple stage BRAS network element in OLT, POP switch access-in resource pond.
Wherein, the functional equivalence of the multiple BRAS network elements for including in resource pool, mutually can back up, and BRAS network element specifically may be used
To be the vBRAS (virtual BRAS) for running on physics BRAS equipment, or general x86 server;Arranging service device is responsible for
The BRAS network element for creating and disposing in resource pool, setting up between arranging service device and each BRAS network element has management passage (Fig. 2
Not shown in), the management passage for example can be led to for netconf (configuration management) passage, SNMP (Simple Network Management Protocol)
Road or other proprietary protocol passages.
Based on group-network construction as shown in Figure 2, in the embodiment of the present application, the traffic scheduling method that arranging service device is executed is such as
Shown in Fig. 3, comprise the following steps:
Step S101, obtains the load information of the target BRAS network element in multiple BRAS network elements;
Wherein, target BRAS network element is the arbitrary BRAS network element in above-mentioned multiple BRAS network elements.Arranging service device can pass through
Management passage obtains the load information of the target BRAS network element to target BRAS network element.
Step S102, judges that the state of target BRAS network element is normal condition or overload, if normal condition, then
Execution step S103, if overload, then execution step S106;
Wherein, upon actuation, original state is normal condition to target BRAS network element.Target BRAS net in normal condition
Unit can initiate message according to prior art to the access for receiving and carry out response.
Step S103, according to the load information for obtaining in step S101, judges whether target BRAS network element transships, if so,
Then execution step S104, otherwise, execution step S105;
Step S104, the state of target BRAS network element is switched to overload from normal condition, determines target BRAS net
Corresponding T time delay of unit, notifies target BRAS network element configuration T time delay, so that target BRAS network element is receiving access
After initiating message, after waiting T time, response is carried out;Wherein, target BRAS network element overload degree is bigger, corresponding T time delay
Longer.
Specifically, in step S104, arranging service device is sent to target BRAS network element by management passage and includes T's
Configuration message, so, target BRAS network element after receiving the configuration message, will configure T on this equipment, receive
After message is initiated in the access that client is sent, responded after T time can be waited again.
Step S105, the state of target BRAS network element is maintained normal condition;
Step S106, according to the load information for obtaining in step S101, judges whether the load of target BRAS network element recovers
Normally, if so, then execution step S107, otherwise, execution step S108;
Step S107, the state of target BRAS network element is switched to normal condition from overload, notifies target BRAS net
Time delay is deleted by unit;
Specifically, in step s 107, arranging service device can send deletion by management passage to target BRAS network element and disappear
Breath, after target BRAS network element receives the deletion message, will delete the time delay for configuring on this equipment.
Step S108, the state of target BRAS network element is maintained overload, redefines target BRAS network element correspondence
Time delay, notify target BRAS network element configuration time delay for redefining.
In actual implementation process, arranging service device periodically can obtain the target BRAS network element to target BRAS network element
Load information, therefore, arranging service device can periodically execute above-mentioned method as shown in Figure 3.
By method as shown in Figure 3, arranging service device can get the arbitrary BRAS network element in multiple BRAS network elements
Load information, BRAS network element state be normal condition when, if according to obtain load information, judge the BRAS network element
Become overloaded, then the state of the BRAS network element has been switched to overload from normal condition, calculated the BRAS network element and correspond to
Time delay, and notify BRAS network element configuration time delay, so, the BRAS network element is receiving what client was sent
Access after initiating message, after the time delay can be waited, carry out response.As the overload degree of BRAS network element is bigger, delay when
Between longer, therefore, the access that at first client can be sent of BRAS network element for loading minimum in resource pool is initiated message and is carried out
Response, and session is set up with client, so as to pass through to carry on flow scheduling to the minimum BRAS network element of load, it is achieved that money
The load balancing between BRAS network element in the pond of source.
In addition, when the state of BRAS network element is overload, if according to the load information for obtaining, judging the BRAS net
The load of unit is recovered normal, then from overload, the state of the BRAS network element is switched to normal condition, notifies the BRAS
Network element deletes time delay, and so, the access initiation message that the BRAS network element just can be sent to client in time carries out response,
To carry more data flows, it is achieved thereby that the load balancing between the BRAS network element in resource pool.In BRAS network element
When state is overload, if according to the load information for obtaining, judging that the load of the BRAS network element is still transshipped, then should
The state of BRAS network element maintains overload, redefines the BRAS network element corresponding time delay, notifies the BRAS network element
The time delay that configuration is redefined, so, when the overload degree of the BRAS network element there occurs change, can be right by adjusting
The time delay that answers, the data flow that the BRAS network element is carried is adjusted, it is achieved thereby that between the BRAS network element in resource pool
Load balancing.
Wherein, the load information of acquisition can be one or more combination, for example, obtain the broadband use that BRAS network element is carried
Amount, CPU (CPU) resource utilization of BRAS network element, the memory usage of BRAS network element, BRAS network element upper
One or more combination in downlink data flow even load information.Separately below both of these case is introduced.
Situation one, a kind of load information of acquisition
Now, the load information corresponds to a default overloading threshold and a default recovery threshold value.In this case
Traffic scheduling method is as follows:
Arranging service device obtains the load information of the target BRAS network element in multiple BRAS network elements;
When the state of target BRAS network element is normal condition, arranging service device judges the numerical value of the load information for getting
Whether exceed and overloading threshold is preset, if exceeding, it is determined that target BRAS network element overload, by the state of target BRAS network element from normal
State switches to overload, calculates corresponding T time delay of target BRAS network element according to formula (1), and notifies target BRAS
Network element configuration T time delay, if be not above, it is determined that target BRAS network element does not transship, by the state of target BRAS network element
Maintain normal condition.
Wherein, x represents the numerical value of the load information for getting, xthrRepresent and preset overloading threshold, TpreRepresent Preset Time.
It is assumed that it is 6000 that load information is broadband user's number, corresponding default overloading threshold, the broadband user's number for getting
Numerical value be 7000, Preset Time is 1 second, then can to calculate target BRAS network element corresponding time delay according to formula (1)
For 167 milliseconds.
When the state of target BRAS network element is overload, arranging service device judges the numerical value of the load information for getting
Whether less than default, threshold value is recovered, if being less than, it is determined that the load restoration of target BRAS network element is normal, by target BRAS network element
State is switched to normal condition from overload, notifies target BRAS network element to delete time delay, if being more than, it is determined that target
BRAS network element still transships, and the state of target BRAS network element is maintained overload, recalculates target according to formula (1)
Corresponding T time delay of BRAS network element, and notify target BRAS network element configuration T time delay.
Wherein, in order to prevent the state of target BRAS network element from normally vibrating between overload, in actual implementation process,
Default recovery threshold value should be less than presets overloading threshold, for example, presets and recovers threshold value equal to the 80% of default overloading threshold.
Situation two, the two or more load informations of acquisition
Now, each load information corresponds to a default overloading threshold and a default recovery threshold value.In this kind of situation
Under traffic scheduling method as follows:
Arranging service device obtains the load information of the target BRAS network element in multiple BRAS network elements;
When the state of target BRAS network element is normal condition, arranging service device is directed to each load information, judges to obtain
Whether the numerical value of the load information that gets exceedes corresponding default overloading threshold, if exceeding, arranges for the load information
Specific markers.Afterwards, if judging, arbitrary load information has specific markers, i.e. arbitrary load information has exceeded corresponding pre-
If overloading threshold, it is determined that target BRAS network element overload, the state of target BRAS network element is switched to overload shape from normal condition
State, calculates corresponding T time delay of target BRAS network element according to formula (2), notifies target BRAS network element configuration T time delay;
If judging whole load informations all without specific markers, i.e. all load information is all not above corresponding default thresholds,of overload
Value, it is determined that target BRAS network element does not transship, and the state of target BRAS network element is maintained normal condition.
Wherein, N represents the sum of the load information with specific markers, αiRepresent i-th with specific markers and load
The weight of information, xiRepresent the numerical value of i-th load information for getting, xi_thrRepresent that i-th load information is corresponding
Default overloading threshold, TpreRepresent Preset Time.
It is assumed that load information is broadband user's number, CPU resource utilization, up-downgoing data traffic, corresponding weight being
1/3, wherein, broadband user's number and CPU resource utilization have specific markers, and the corresponding default overloading threshold of broadband user's number is
6000th, the corresponding default overloading threshold of CPU resource utilization is 85%, and the numerical value of the broadband user's number for getting is 7000, CPU
The numerical value of resource utilization is 90%, and Preset Time is 1 second, then can to calculate target BRAS network element correspondence according to formula (2)
Time delay be 75 milliseconds.
When the state of target BRAS network element is overload, arranging service device is directed to each load information, negative at this
When information carrying is ceased with specific markers, whether the numerical value of the load information for getting is judged less than corresponding default recovery threshold value,
If being less than, the specific markers of the load information are deleted;When the load information does not have specific markers, judge get this bear
Whether the numerical value of information carrying breath exceedes corresponding default overloading threshold, if exceeding, arranges specific markers for the load information.It
Afterwards, if judging whole load informations all without specific markers, it is determined that the load restoration of target BRAS network element is normal, by target
The state of BRAS network element is switched to normal condition from overload, notifies target BRAS network element to delete time delay, otherwise, if appointing
One load information has specific markers, it is determined that target BRAS network element still transships, and the state of target BRAS network element is maintained
Overload, recalculates corresponding T time delay of target BRAS network element according to formula (2), notifies target BRAS network element configuration
T time delay for redefining.
Wherein, in order to prevent the state of target BRAS network element from normally vibrating between overload, in actual implementation process,
The corresponding default recovery threshold value of each load information should be less than overloading threshold be preset, for example, and default recovery threshold value is equal to pre-
If the 80% of overloading threshold.
In the method for the above embodiments of the present application, when using PPPoE access way, above-mentioned access is initiated message and is
For initiating the message of pppoe session foundation, for example, PADI message;When using IPoE (Internet Protocol over
Ethernet, the Internet Protocol based on Ethernet) access way when, above-mentioned access initiate message be for initiating IPoE meeting
The message that words are set up, for example, DHCP (Dynamic Host Configuration Protocol, DHCP)
Discover (discovery) message.
Corresponding with the embodiment of aforementioned flow dispatching method, present invention also provides the embodiment of flow scheduling device.
The embodiment of the application flow scheduling device 60 can be applied on arranging service device.Device embodiment can pass through
Software is realized, it is also possible to realized by way of hardware or software and hardware combining.As a example by implemented in software, anticipate as a logic
Device in justice, be by the processor 10 of its place arranging service device by corresponding computer journey in nonvolatile memory 50
Sequence instruction reads what operation in internal memory 40 was formed.From for hardware view, as shown in figure 4, being the application flow scheduling device
A kind of hardware structure diagram of place arranging service device, except the processor 10 shown in Fig. 4, internal bus 20, network interface 30, interior
Deposit outside 40 and nonvolatile memory 50, the arranging service device that in embodiment, device is located is generally according to the arranging service
The actual functional capability of device, can also include other hardware, this is repeated no more.
Fig. 5 is refer to, the flow scheduling device 60 of the embodiment of the present application is included with lower unit:Acquiring unit 601, judgement
Unit 602 and processing unit 603, wherein:
Acquiring unit 601, for obtaining the load information of the target BRAS network element in multiple BRAS network elements;
Judging unit 602, during for the state in target BRAS network element for normal condition, obtains according to acquiring unit 601
Load information, judge whether target BRAS network element transships;
Processing unit 603, if judging target BRAS network element overload for judging unit 602, by target BRAS network element
State switch to overload from normal condition, determine target BRAS network element corresponding time delay, notify target BRAS net
Unit configures the time delay, so that target BRAS network element waits this to prolong after the access initiation message that client is sent is received
Response is carried out after time late;Wherein, target BRAS network element overload degree is bigger, and corresponding time delay is longer.
Wherein, judging unit 602, are additionally operable to when the state of target BRAS network element is overload, according to acquiring unit
601 load informations for obtaining, judge whether the load of target BRAS network element recovers normal;
Processing unit 603, if being additionally operable to judging unit 602 to judge that the load restoration of target BRAS network element is normal, will
The state of target BRAS network element is switched to normal condition from overload, notifies target BRAS network element to delete time delay;Also use
If the load for judging target BRAS network element in judging unit 602 does not recover normal, the state of target BRAS network element is tieed up
Hold in overload, target BRAS network element corresponding time delay is redefined, notify target BRAS network element configuration to redefine
Time delay.
Wherein, when acquiring unit 601 obtains a kind of load information, judging unit 602 is specifically in the following manner
Judge whether target BRAS network element transships:Judge whether the numerical value of the load information that acquiring unit 601 gets exceedes to preset
Threshold value is carried, if exceeding, it is determined that target BRAS network element overload, otherwise, it determines target BRAS network element does not transship;
Whether judging unit 602 recovers normal specifically for the load for judging target BRAS network element in the following manner:Sentence
Whether the numerical value of the load information that disconnected acquiring unit 601 gets recovers threshold value less than default, if being less than, it is determined that target BRAS
The load restoration of network element is normal, otherwise, it determines the load of target BRAS network element does not recover normal, wherein, the load information pair
The default recovery threshold value that answers is less than default overloading threshold.
So, when acquiring unit 601 obtains a kind of load information, processing unit 603 is specifically for according to below equation
Determine corresponding T time delay of target BRAS network element:
Wherein, x represents the numerical value of the load information that acquiring unit 601 gets, xthrRepresent default
Overloading threshold, TpreRepresent Preset Time.
In addition, when acquiring unit 601 obtains two or more load informations, judging unit 602 is specifically for by following
Mode judges whether target BRAS network element transships:For each load information, the load that acquiring unit 601 gets is judged
Whether the numerical value of information exceedes corresponding default overloading threshold, if exceeding, arranges specific markers for the load information;It
Afterwards, if judging, arbitrary load information has specific markers, it is determined that target BRAS network element overload, otherwise, it determines target BRAS
Network element does not transship;
Whether judging unit 601 recovers normal specifically for the load for judging target BRAS network element in the following manner:Pin
To each load information, when the load information has specific markers, whether the numerical value of the load information that judgement gets
Less than corresponding default recovery threshold value, the specific markers of the load information if being less than, are deleted, not specific in the load information
During labelling, judge whether the numerical value of the load information for getting exceedes corresponding default overloading threshold, if exceeding, for this
Load information arranges specific markers;Afterwards, if judging whole load informations all without specific markers, it is determined that target BRAS net
The load restoration of unit is normal, otherwise, it determines the load of target BRAS network element does not recover normal;Wherein, each load information
Corresponding default recovery threshold value is less than default overloading threshold.
So, when acquiring unit 601 obtains two or more load informations, processing unit 603 is specifically for according to following
Formula determines corresponding T time delay of target BRAS network element:
Wherein, N represents the sum of the load information with specific markers, αiRepresent i-th
The weight of the individual load information with specific markers, xiRepresent the numerical value of i-th load information for getting, xi_thrRepresenting should
The corresponding default overloading threshold of i-th load information, TpreRepresent Preset Time.
Wherein, above-mentioned access initiate message be for initiating the message of pppoe session foundation, or for initiating IPoE meeting
The message that words are set up, the target MAC (Media Access Control) address of these messages is broadcast MAC address.
In said apparatus, the process of realizing of the function of unit and effect specifically refers to corresponding step in said method
Process is realized, be will not be described here.
For device embodiment, as which corresponds essentially to embodiment of the method, so related part is referring to method reality
Apply the part explanation of example.Device embodiment described above is only schematically, wherein described as separating component
The unit of explanation can be or may not be physically separate, as the part that unit shows can be or can also
It is not physical location, you can be located at a place, or can also be distributed on multiple NEs.Can be according to reality
Need to select some or all of module therein to realize the purpose of application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
The preferred embodiment of the application is the foregoing is only, not in order to limit the application, all essences in the application
Within god and principle, any modification, equivalent substitution and improvement that is done etc., should be included within the scope of the application protection.
Claims (14)
1. a kind of traffic scheduling method, it is characterised in that it is many for managing that methods described is applied to arranging service device SO, the SO
Individual Broadband Remote Access Server BRAS network element, methods described includes:
Obtain the load information of the target BRAS network element in the plurality of BRAS network element;
When the state of the target BRAS network element is normal condition, according to the load information for obtaining, target BRAS is judged
Whether network element transships;
If so, then the state of the target BRAS network element is switched to overload from normal condition, determines target BRAS
Network element corresponding time delay, time delay described in the target BRAS network element configuration is notified, so that the target BRAS network element
After the access initiation message that client is sent is received, after waiting the time delay, response is carried out;Wherein, the target
BRAS network element overload degree is bigger, and the corresponding time delay is longer.
2. method according to claim 1, it is characterised in that methods described also includes:
When the state of the target BRAS network element is overload, according to the load information for obtaining, target BRAS is judged
Whether the load of network element recovers normal;
If so, then the state of the target BRAS network element is switched to normal condition from overload, notifies target BRAS
Network element deletes the time delay;
Otherwise, the state of the target BRAS network element is maintained overload, redefines target BRAS network element correspondence
Time delay, the time delay for notifying the target BRAS network element configuration to redefine.
3. a kind of method according to claim 2, it is characterised in that when load information is obtained,
Judge whether the target BRAS network element transships, including:Judge whether the numerical value of the load information for getting exceedes to preset
Overloading threshold, if exceed, it is determined that the target BRAS network element overload, otherwise, it determines the target BRAS network element does not transship;
Judge whether the load of the target BRAS network element recovers normal, including:Judge that the numerical value of load information for getting is
No less than default recovery threshold value, if being less than, it is determined that the load restoration of the target BRAS network element is normal, otherwise, it determines described
The load of target BRAS network element does not recover normal, and wherein, the default recovery threshold value is less than the default overloading threshold.
4. method according to claim 3, it is characterised in that determine that the target BRAS network element is corresponded to according to below equation
T time delay:
Wherein, x represents the numerical value of the load information for getting, xthrRepresent and preset overloading threshold, TpreTable
Show Preset Time.
5. method according to claim 2, it is characterised in that when two or more load informations are obtained,
Judge whether the target BRAS network element transships, including:For each load information, the load letter for getting is judged
Whether the numerical value of breath exceedes corresponding default overloading threshold, if exceeding, arranges specific markers for the load information;Afterwards,
If judging, arbitrary load information has specific markers, it is determined that the target BRAS network element overload, otherwise, it determines the target
BRAS network element does not transship;
Judge whether the load of the target BRAS network element recovers normal, including:For each load information, in the load letter
When breath is with specific markers, whether the numerical value of the load information for getting is judged less than corresponding default recovery threshold value, if little
In, then the specific markers of the load information are deleted, when the load information does not have specific markers, load letter that judgement gets
Whether the numerical value of breath exceedes corresponding default overloading threshold, if exceeding, arranges specific markers for the load information;Afterwards,
If judging whole load informations all without specific markers, it is determined that the load restoration of the target BRAS network element is normal, otherwise,
Determine that the load of the target BRAS network element does not recover normal;Wherein, the corresponding default recovery threshold value of each load information
Less than default overloading threshold.
6. method according to claim 5, it is characterised in that determine that the target BRAS network element is corresponded to according to below equation
T time delay:
Wherein, N represents the sum of the load information with specific markers, αiRepresent i-th tool
There are the weight of the load information of specific markers, xiRepresent the numerical value of i-th load information for getting, xi_thrRepresent described
The corresponding default overloading threshold of i-th load information, TpreRepresent Preset Time.
7. method according to any one of claim 1 to 6, it is characterised in that the access initiate message be for sending out
The message that the PPPoE session based on Ethernet is set up is played, or for initiating the internet protocol based on Ethernet
The message of view IPoE session establishment.
8. a kind of flow scheduling device, it is characterised in that described device is applied in arranging service device SO, the SO is used for managing
Multiple Broadband Remote Access Server BRAS network elements, described device includes:
Acquiring unit, for obtaining the load information of the target BRAS network element in the plurality of BRAS network element;
Judging unit, during for the state in the target BRAS network element for normal condition, obtains according to the acquiring unit
Load information, judges whether the target BRAS network element transships;
Processing unit, if judging the target BRAS network element overload for the judging unit, by the target BRAS net
The state of unit switches to overload from normal condition, determines the target BRAS network element corresponding time delay, notifies described
Time delay described in target BRAS network element configuration, so that the target BRAS network element is receiving the access initiation that client is sent
After message, after waiting the time delay, response is carried out;Wherein, the target BRAS network element overload degree is bigger, corresponding institute
State time delay longer.
9. device according to claim 8, it is characterised in that
The judging unit, is additionally operable to when the state of the target BRAS network element is overload, according to the acquiring unit
The load information of acquisition, judges whether the load of the target BRAS network element recovers normal;
The processing unit, if being additionally operable to the judging unit to judge that the load restoration of the target BRAS network element is normal,
The state of the target BRAS network element is switched to normal condition from overload, notifies the target BRAS network element to delete described
Time delay;If being additionally operable to the judging unit to judge that the load of the target BRAS network element does not recover normal, by institute
The state for stating target BRAS network element maintains overload, redefines the target BRAS network element corresponding time delay, leads to
Know the time delay that the target BRAS network element configuration is redefined.
10. device according to claim 9, it is characterised in that when a kind of load information is obtained,
The judging unit is specifically for judging whether the target BRAS network element transships in the following manner:Judge the acquisition
Whether the numerical value of the load information that unit gets exceedes is preset overloading threshold, if exceeding, it is determined that the target BRAS network element
Overload, otherwise, it determines the target BRAS network element does not transship;
Whether the judging unit recovers normal specifically for the load for judging the target BRAS network element in the following manner:Sentence
Whether the numerical value of the load information that the acquiring unit that breaks gets recovers threshold value less than default, if being less than, it is determined that the mesh
The load restoration of mark BRAS network element is normal, otherwise, it determines the load of the target BRAS network element does not recover normal, wherein, institute
Default threshold value of recovering is stated less than the default overloading threshold.
11. devices according to claim 10, it is characterised in that the processing unit is specifically for true according to below equation
Determine corresponding T time delay of the target BRAS network element:
Wherein, x represents the numerical value of the load information that the acquiring unit gets, xthrRepresent and preset
Carry threshold value, TpreRepresent Preset Time.
12. devices according to claim 9, it is characterised in that when two or more load informations are obtained,
The judging unit is specifically for judging whether the target BRAS network element transships in the following manner:Negative for each
Information carrying ceases, and judges whether the numerical value of the load information that the acquiring unit gets exceedes corresponding default overloading threshold, if
Exceed, then specific markers are set for the load information;Afterwards, if judging, arbitrary load information has specific markers, really
The fixed target BRAS network element overload, otherwise, it determines the target BRAS network element does not transship;
Whether the judging unit recovers normal specifically for the load for judging the target BRAS network element in the following manner:Pin
To each load information, when the load information has specific markers, whether the numerical value of the load information that judgement gets
Less than corresponding default recovery threshold value, the specific markers of the load information if being less than, are deleted, not specific in the load information
During labelling, judge whether the numerical value of the load information for getting exceedes corresponding default overloading threshold, if exceeding, for this
Load information arranges specific markers;Afterwards, if judging whole load informations all without specific markers, it is determined that the target
The load restoration of BRAS network element is normal, otherwise, it determines the load of the target BRAS network element does not recover normal;Wherein, each
The corresponding default recovery threshold value of load information is planted less than default overloading threshold.
13. devices according to claim 12, it is characterised in that the processing unit is specifically for true according to below equation
Determine corresponding T time delay of the target BRAS network element:
Wherein, N represents the sum of the load information with specific markers, αiRepresent i-th tool
There are the weight of the load information of specific markers, xiRepresent the numerical value of i-th load information for getting, xi_thrRepresent described
The corresponding default overloading threshold of i-th load information, TpreRepresent Preset Time.
14. devices according to any one of claim 8 to 13, it is characterised in that the access initiate message be for
The message that the PPPoE session based on Ethernet is set up is initiated, or for initiating the Internet based on Ethernet
The message of protocol IP oE session establishment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610947918.6A CN106453124A (en) | 2016-10-26 | 2016-10-26 | Traffic scheduling method and device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610947918.6A CN106453124A (en) | 2016-10-26 | 2016-10-26 | Traffic scheduling method and device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106453124A true CN106453124A (en) | 2017-02-22 |
Family
ID=58179103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610947918.6A Pending CN106453124A (en) | 2016-10-26 | 2016-10-26 | Traffic scheduling method and device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106453124A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107547321A (en) * | 2017-06-28 | 2018-01-05 | 新华三技术有限公司 | Message processing method, device, associated electronic device and readable storage medium storing program for executing |
CN107682276A (en) * | 2017-09-15 | 2018-02-09 | 深圳市盛路物联通讯技术有限公司 | The dispatching method and system of a kind of data flow |
CN107995125A (en) * | 2017-11-17 | 2018-05-04 | 新华三技术有限公司 | A kind of traffic scheduling method and device |
CN108322368A (en) * | 2017-06-23 | 2018-07-24 | 新华三技术有限公司 | VOD method and device |
CN108509148A (en) * | 2018-02-07 | 2018-09-07 | 新华三技术有限公司 | A kind of I/O request processing methods and device |
CN109412980A (en) * | 2018-09-30 | 2019-03-01 | 新华三技术有限公司 | A kind of BRAS backup method and device |
WO2019047939A1 (en) * | 2017-09-08 | 2019-03-14 | 新华三技术有限公司 | Load balancing method and apparatus and service orchestrator |
CN110166579A (en) * | 2019-07-16 | 2019-08-23 | 华为技术有限公司 | A kind of server communications method, BAS Broadband Access Server and system |
CN110475248A (en) * | 2018-05-10 | 2019-11-19 | 中国移动通信集团浙江有限公司 | A kind of wireless network architecture and wireless network access method |
CN110933182A (en) * | 2019-12-12 | 2020-03-27 | 新华三大数据技术有限公司 | Load sharing method, device and system |
CN113746709A (en) * | 2021-08-25 | 2021-12-03 | 烽火通信科技股份有限公司 | Method, device and equipment for transfer control separation dynamic capacity management and storage medium |
CN114553792A (en) * | 2020-11-25 | 2022-05-27 | 华为技术有限公司 | Method, device and equipment for adjusting scheduling parameters and computer readable storage medium |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102368713A (en) * | 2011-10-31 | 2012-03-07 | 华为技术有限公司 | Processing method for network-side fault and apparatus thereof |
CN105262698A (en) * | 2015-10-28 | 2016-01-20 | 华为技术有限公司 | Load sharing method, device and system |
-
2016
- 2016-10-26 CN CN201610947918.6A patent/CN106453124A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102368713A (en) * | 2011-10-31 | 2012-03-07 | 华为技术有限公司 | Processing method for network-side fault and apparatus thereof |
CN105262698A (en) * | 2015-10-28 | 2016-01-20 | 华为技术有限公司 | Load sharing method, device and system |
Non-Patent Citations (2)
Title |
---|
缪伟 等: ""城域网BRAS向SDN演进的方法及步骤探索"", 《数据通信》 * |
陈晓春: ""宽带远程接入服务器高可靠冗余备份关键技术的研究"", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108322368B (en) * | 2017-06-23 | 2020-01-03 | 新华三技术有限公司 | Video-on-demand method and device |
CN108322368A (en) * | 2017-06-23 | 2018-07-24 | 新华三技术有限公司 | VOD method and device |
US11418843B2 (en) | 2017-06-23 | 2022-08-16 | New H3C Technologies Co., Ltd. | Forwarding video-on-demand flow |
WO2018233632A1 (en) * | 2017-06-23 | 2018-12-27 | 新华三技术有限公司 | Forwarding of video-on-demand stream |
CN107547321A (en) * | 2017-06-28 | 2018-01-05 | 新华三技术有限公司 | Message processing method, device, associated electronic device and readable storage medium storing program for executing |
CN107547321B (en) * | 2017-06-28 | 2021-05-14 | 新华三技术有限公司 | Message processing method and device, related electronic equipment and readable storage medium |
WO2019047939A1 (en) * | 2017-09-08 | 2019-03-14 | 新华三技术有限公司 | Load balancing method and apparatus and service orchestrator |
CN107682276A (en) * | 2017-09-15 | 2018-02-09 | 深圳市盛路物联通讯技术有限公司 | The dispatching method and system of a kind of data flow |
CN107682276B (en) * | 2017-09-15 | 2021-06-22 | 深圳市盛路物联通讯技术有限公司 | Data stream scheduling method and system |
CN107995125B (en) * | 2017-11-17 | 2021-07-23 | 新华三技术有限公司 | Traffic scheduling method and device |
CN107995125A (en) * | 2017-11-17 | 2018-05-04 | 新华三技术有限公司 | A kind of traffic scheduling method and device |
CN108509148B (en) * | 2018-02-07 | 2021-08-06 | 新华三技术有限公司 | I/O request processing method and device |
CN108509148A (en) * | 2018-02-07 | 2018-09-07 | 新华三技术有限公司 | A kind of I/O request processing methods and device |
CN110475248A (en) * | 2018-05-10 | 2019-11-19 | 中国移动通信集团浙江有限公司 | A kind of wireless network architecture and wireless network access method |
CN109412980B (en) * | 2018-09-30 | 2021-06-29 | 新华三技术有限公司 | BRAS backup method and device |
CN109412980A (en) * | 2018-09-30 | 2019-03-01 | 新华三技术有限公司 | A kind of BRAS backup method and device |
CN110166579A (en) * | 2019-07-16 | 2019-08-23 | 华为技术有限公司 | A kind of server communications method, BAS Broadband Access Server and system |
CN110933182A (en) * | 2019-12-12 | 2020-03-27 | 新华三大数据技术有限公司 | Load sharing method, device and system |
CN114553792A (en) * | 2020-11-25 | 2022-05-27 | 华为技术有限公司 | Method, device and equipment for adjusting scheduling parameters and computer readable storage medium |
CN113746709A (en) * | 2021-08-25 | 2021-12-03 | 烽火通信科技股份有限公司 | Method, device and equipment for transfer control separation dynamic capacity management and storage medium |
CN113746709B (en) * | 2021-08-25 | 2023-01-31 | 烽火通信科技股份有限公司 | Transfer control separation dynamic capacity management method, device, equipment and storage medium |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106453124A (en) | Traffic scheduling method and device | |
US10452422B2 (en) | Method and apparatus for deploying virtual machine instance, and device | |
CN102549983B (en) | Distributed data center access switch | |
CN105162704B (en) | The method and device of multicast replication in Overlay network | |
CN103404084B (en) | MAC Address forces retransmission unit and method | |
CN106657330B (en) | Migration of subscriber data method and user data backup method, apparatus and system | |
CN103997513B (en) | A kind of programmable virtual network service system | |
WO2010014189A1 (en) | Dynamic distribution of virtual machines in a communication network | |
JPH07107114A (en) | Remote office network system and its communication method | |
EP3298737B1 (en) | Method and system for site interconnection over a transport network | |
WO2018001030A1 (en) | Method and device for controlling virtualized broadband remote access server (vbras), and communication system | |
CN107317768A (en) | Traffic scheduling method and device | |
CN104518936B (en) | Link dynamic aggregation method and apparatus | |
WO2012087365A1 (en) | Activate attribute for service profiles in unified computing system | |
CN105207909B (en) | A kind of method and network equipment sending information | |
CN107567706A (en) | Session of subscriber in communication network is distributed again | |
EP2763352B1 (en) | Communication device, communication method, and program | |
CN104272789B (en) | GSM, call treatment node and communication control method | |
JP5904285B2 (en) | Communication system, virtual network management device, communication node, communication method, and program | |
CN104125079B (en) | A kind of method and device for determining two-node cluster hot backup configuration information | |
CN103401954B (en) | The implementation method of virtual DHCP | |
CN110798412A (en) | Multicast service processing method, device, cloud platform, equipment and readable storage medium | |
CN107995124A (en) | Traffic scheduling method and device | |
CN103428106A (en) | Message processing method and device after virtual machine (VM) transfers | |
Klapez et al. | Towards massively multipath transmissions for public safety communications |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
CB02 | Change of applicant information |
Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Applicant after: Xinhua three Technology Co., Ltd. Address before: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Applicant before: Huasan Communication Technology Co., Ltd. |
|
CB02 | Change of applicant information | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
RJ01 | Rejection of invention patent application after publication |