CN101127721B - Bandwidth control method and bandwidth control device - Google Patents
Bandwidth control method and bandwidth control device Download PDFInfo
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- CN101127721B CN101127721B CN2007101538488A CN200710153848A CN101127721B CN 101127721 B CN101127721 B CN 101127721B CN 2007101538488 A CN2007101538488 A CN 2007101538488A CN 200710153848 A CN200710153848 A CN 200710153848A CN 101127721 B CN101127721 B CN 101127721B
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Abstract
The utility model discloses a bandwidth control method and a device, which are used on a route switching device with a plurality of interfaces. The method is to field-divide the interfaces according to the physical network structure; wherein each field comprises a group of internal interfaces and a group of external interfaces and the number of the interfaces in each group is one or more; the field bandwidth strategy is established for each field; when the packet is received from an interface, the bandwidth is controlled according to the field bandwidth strategy in the affiliated field and then the packet passing through the bandwidth controlling process is sent to the other group of interfaces in the affiliated field. The utility model considers the interface hardware limiting factors and the logical managing factors sufficiently so as to get rid of the dependency on the single interface, ensure the bandwidth stability of the conversational individual and be propitious to realize the multilayer and fine-grain interface bandwidth control.
Description
Technical field
The present invention relates to network communications technology field, particularly a kind of band width control method and bandwidth control apparatus.
Background technology
Along with the development of broadband network technology, how effectively management and control bandwidth are abused, are misapplied with the bandwidth that control is on the rise, thereby improve network resource utilization, are relatively more popular topics always.
At present majority is used for the bandwidth control of router and switch product solution adopted all is based on bandwidth controlling schemes physical layer, flattening, be core promptly with the converting flow on the interface, the flow that enters same interface is distributed different bandwidth according to different indexs, as shown in Figure 1: all flows of transmitting from same interface are according to different indexs, be divided in the different formations by queue scheduling algorithm, and scheduling sends.As can be seen, according to different indexs, this scheme can be implemented on the interface and realize bandwidth control according to different users or application or session etc.The advantage of this technical scheme is to be easy to realize, but owing to will produce bandwidth contention each other between user that interface inserts down or the service, and therefore being difficult to provides stable bandwidth assurance for user or service, promptly can't realize fine-grained Bandwidth Management.
In order to overcome this problem, the bandwidth management method of hardware interface has appearred not relying on recently.
Wherein, the Chinese patent application CN1859195A of " a kind of band width control method and system " by name discloses following technical scheme: add up the actual bandwidth that takies of each type of service that each user uses, at exceeding the maximum type of service that allows utilized bandwidth, the bandwidth occupancy of this type of service is adjusted according to the bandwidth control strategy.
The Chinese patent application CN1518279A of " based on the band width control method that inserts the user " by name discloses following technical scheme: carry out in the access to netwoks process the access user, but carry out bandwidth control according to this user's occupied bandwidth information.
As can be seen, above-mentioned two kinds of band width control method are no longer included the interface hardware situation in consideration, but control in the face of user bandwidth or service bandwidth from logical layer.Though this scheme can guarantee the stability of user or the individual shared bandwidth of utility cession; But simultaneously, under or the situation that the utility cession number is more more, tend to the situation that causes network integral body can't bear the heavy load, have influence on the effect of actual bandwidth control at number of users.
Because in operator or enterprise customer's network, network bandwidth resources is very valuable, therefore, and in order to realize rationally utilizing network bandwidth resources, need a kind ofly can take all factors into consideration physical layer and logic aspect needs, multi-level, fine-grained technical scheme of carrying out effective bandwidth control.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of technical scheme of control bandwidth is provided, to realize satisfying simultaneously the Bandwidth Management of physical layer and logic aspect demand.
For achieving the above object, embodiments of the invention provide a kind of band width control method, are applied to comprise the route exchange device of many interfaces, may further comprise the steps:
Carry out the territory according to physical set web frame docking port and divide, wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
Divide for interface carries out the interface pipeline, each interface pipeline and is set uses correspondingly, and described interface pipeline be the transmission path of correspondence application in the affiliated territory of this interface;
Formulate the territory band-width tactics for each territory, comprising: on the inner joint direction, be each territory formulation territory permission bandwidth to external tapping direction and external tapping at inner joint respectively; On each direction, formulate first according to user profile and allow bandwidth; And according to the application message formulation second permission bandwidth, described second allows the interface pipeline of bandwidth and respective application adaptive;
When an interface receives message, carry out bandwidth control according to the territory band-width tactics in affiliated territory, comprising: whether the utilized bandwidth under the identification on the current direction in territory exceeds the territory allows bandwidth, is then to abandon described message, otherwise execution in step a; Step a: whether affiliated user's utilized bandwidth of discerning on the current direction exceeds the first permission bandwidth, is then to abandon described message, otherwise execution in step b; Step b: using utilized bandwidth under discerning on the current direction and whether exceed the second permission bandwidth, is then to abandon described message, otherwise, another group interface in territory under will sending to by the message of bandwidth control.
Embodiments of the invention also provide a kind of bandwidth control apparatus, be applied to comprise the route exchange device of many interfaces, comprise division preservation unit, territory, be used for preserving and carry out the territory division result according to physical set web frame docking port, wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
Arbitrary described interface comprises a plurality of interface pipelines, and each interface pipeline and is used corresponding, is the corresponding transmission path of using in the affiliated territory;
The territory band-width tactics is preserved the unit, is used to preserve the territory band-width tactics in each territory, and it comprises: the territory bandwidth is preserved module, be used to be kept at inner joint to external tapping direction and external tapping to the inner joint direction on the territory in each territory allow bandwidth; First bandwidth is preserved module, is used to be kept at the first permission bandwidth of formulating based on user profile on each direction; Second bandwidth is preserved module, is used to be kept at the second permission bandwidth of formulating based on application message on each direction, and described second allows the interface pipeline of bandwidth and respective application adaptive; The bandwidth control unit, being used for dividing the preservation unit with the territory respectively is connected with territory band-width tactics preservation unit, be used for the message that docking port receives, territory band-width tactics according to affiliated territory carries out bandwidth control, and will send to by the message of bandwidth control and corresponding another group interface of this interface, this bandwidth control unit comprises: territory bandwidth identification module, described territory bandwidth identification module is preserved module with described territory bandwidth and is connected, be used for not exceeding under the situation that the territory allows bandwidth described message is sent to the first bandwidth identification module, otherwise abandon described message in the utilized bandwidth on the territory current direction under the identification; Preserve the first bandwidth identification module that module is connected with first bandwidth, be used to receive the message of described territory bandwidth identification module output, and user's utilized bandwidth does not exceed under the situation of the first permission bandwidth under discerning on the current direction, and described message is sent to the second bandwidth identification module; Otherwise abandon described message; The second bandwidth identification module, preserving module with described second bandwidth is connected, be used to receive the message of described first bandwidth identification module output, and the application utilized bandwidth does not exceed under the situation of the second permission bandwidth under discerning on the current direction, described message is sent to another group interface in affiliated territory, otherwise abandon described message.
As shown from the above technical solution, the present invention divides the interface territory according to the physical set web frame, adopts the technical scheme of carrying out bandwidth control according to the territory band-width tactics, has following beneficial effect:
1, by dividing the interface territory, both fully taken into account the interface hardware limiting factor, guaranteed the tenability of interface hardware, broken away from dependence again single face to session;
2, by to the formulation of territory band-width tactics, the logic manage factor included in consider, help further guaranteeing the stability of the individual bandwidth of session;
3, take all factors into consideration interface hardware limiting factor and logic manage factor, help realizing multi-level, fine-grained interface bandwidth control.
Description of drawings
Fig. 1 is the schematic diagram of bandwidth controlling schemes in the prior art;
Fig. 2 is the flow chart of band width control method one embodiment of the present invention;
The instantiation schematic diagram of Fig. 3 for concerning between interface and the territory;
Fig. 4 is the flow chart of another embodiment of band width control method of the present invention;
The instantiation schematic diagram of Fig. 5 for concerning between interface and the interface pipeline;
Fig. 6 uses the embodiment flow chart whether utilized bandwidth exceeds the second permission bandwidth under on the current direction of identification;
Fig. 7 uses another embodiment flow chart whether utilized bandwidth exceeds the second permission bandwidth under on the current direction of identification;
Fig. 8 is based on embodiment illustrated in fig. 7, an embodiment flow chart of another group interface the corresponding interface pipeline in territory under will sending to by the message of bandwidth control;
Fig. 9 is based on embodiment illustrated in fig. 7, the flow chart of an embodiment of scheduling message and transmission from interface queue;
Figure 10 is the flow chart of the another embodiment of band width control method of the present invention;
Figure 11 is the flow chart of band width control method one specific embodiment of the present invention;
Figure 12 is the block diagram of bandwidth control apparatus one embodiment of the present invention;
Figure 13 is the block diagram of another embodiment of bandwidth control apparatus of the present invention;
Figure 14 is the block diagram of the another embodiment of bandwidth control apparatus of the present invention;
Figure 15 is the bandwidth control apparatus of the present invention block diagram of an embodiment again.
Embodiment
Bandwidth controlling schemes of the prior art, the hardware that has plenty of based on single face carries out Bandwidth Management, has plenty of the hardware constraints of casting aside, and carries out Bandwidth Management from the logic aspect separately, therefore exists various defectives.In order to guarantee that bandwidth resources are used appropriately, the present invention provides a kind of bandwidth controlling schemes in conjunction with the factor of physics networking structure and logic aspect.Below in conjunction with drawings and Examples, technical scheme of the present invention is described in detail.
Embodiment 1:
The band width control method that present embodiment 1 is provided is applied to comprise the route exchange device of many interfaces, such as router and gateway device; Please refer to Fig. 2, may further comprise the steps:
S1-1, carry out the territory according to physical set web frame docking port and divide, wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
So-called interface (interface), indication all is a physical interface usually, the network interface of router or switch for example can provide the bandwidth of 100Mbps or 1Gbps.
In this step, interface is carried out territory (segment) division according to the physical set web frame.Such as, when the physical set web frame is that intranet a and intranet b are when being connected to the Internet network by route exchange device, just can be that this route exchange device creates two territories, i.e. the territory 2 of intranet a to the territory 1 of Internet network and intranet b to the Internet network.After create in territory 1, with the interface definition that connects intranet a is the inner joint in this territory 1, with the interface definition of the connection Internet of correspondence is the external tapping in this territory 1, just truly reflected the physical set web frame between intranet a and the Internet network: the message that sends from intranet a is via inner joint--〉and the external tapping routing forwarding gives Internet, and the message that sends from Internet is via external tapping--the inner joint routing forwarding is to intranet a.In like manner, after create in territory 2, with the interface definition that connects intranet b is the inner joint in this territory 2, with the interface definition of the connection Internet of correspondence is the external tapping in this territory 2, just truly reflected the physical set web frame between intranet b and the Internet network: the message that sends from intranet b is via inner joint--〉and the external tapping routing forwarding gives Internet, and the message that sends from Internet is via external tapping--the inner joint routing forwarding is to intranet b.
As can be seen, a territory is appreciated that the physical set pessimistic concurrency control that is made of inner joint and external tapping, and this model comprises a pair of or many docking ports; As an instantiation, the relation between interface and the territory sees also Fig. 3.In Fig. 3, territory 1 comprises two docking ports: Interface A and InterfaceB have constituted the inner joint in this territory, and Interface D and Interface E have constituted the external tapping in this territory; Territory 2 comprises a docking port: Interface C constitutes the external tapping in this territory, and InterfaceF constitutes the inner joint in this territory.
It should be noted that, in Fig. 3, input interface and output interface have relation one to one, but in actual use, it also can be the corresponding relation between group and the group, such as, from the message of InterfaceA and Interface B input, can Interface D and any one of Interface E send.
Simultaneously, for an interface, it may be the inner joint in a territory and the external tapping in another territory simultaneously, also may be the external tapping or the inner joint in two territories simultaneously.Be example with intranet a and b still, the interface that connects intranet b in the route exchange device is the inner joint in territory 2, but also can be used as the external tapping in territory between intranet a and the intranet b simultaneously.Physical interface is which end that belongs to the territory is determined by networking structure, is not the emphasis that this paper discusses.
S1-2, be that each territory formulates the territory band-width tactics;
Divide when interface and to finish, the interface total capacity in each territory is just decided so, therefore, can formulate the territory band-width tactics according to the hardware interface ability in this territory, considers thereby the logic aspect included in.
Preferable, be that an interface only belongs to a territory, the bandwidth upper limit of territory one end is exactly an interface bandwidth upper limit sum like this; Perhaps, not only belong under the situation in a territory, can dispose the territory bandwidth upper limit according to actual conditions by the system manager at an interface, such as, the bandwidth upper limit in territory under an interface belongs under the situation in two territories simultaneously, the one half-band width can be counted respectively.
In addition, because all there are two group interfaces in each territory, therefore formulating the territory band-width tactics for each territory can comprise: be each territory formulation territory permission bandwidth to external tapping direction and external tapping at inner joint on the inner joint direction respectively; In general, inner joint allows the hardware capabilities decision of bandwidth by external tapping to the territory of external tapping direction, and external tapping allows the hardware capabilities decision of bandwidth by inner joint to the territory of inner joint direction.
As can be seen, formulate the territory band-width tactics, can realize that the bandwidth between the different physics networkings is isolated, prevent that bandwidth from being abused, misapplying according to the interface capability in territory.Simultaneously, allow bandwidth to define total flow, the maximum available bandwidth restriction is provided by the territory by the territory.
Further, the territory band-width tactics can also be from addition stratification and the grain refined setting of logic aspect, and to guarantee the stability of session individuality, this will be described in follow-up embodiment 2～embodiment 6.
S1-3, when when an interface receives message, carry out bandwidth control according to the territory band-width tactics in affiliated territory, control then execution in step S1-4 by bandwidth, otherwise abandon this message;
According to the set territory band-width tactics of present embodiment 1, this step is specially under the identification utilized bandwidth on the current direction in territory and whether exceeds the territory and allow bandwidth, is then to abandon this message, otherwise execution in step S1-4.
As can be seen, by the message of bandwidth control, the current bandwidth sum of its shared bandwidth and this direction of territory, place can surpass default territory scarcely and allow bandwidth, make utilized bandwidth unlikely above interface actual tenability and cause network paralysis.
S1-4, will send to by the message of bandwidth control under another group interface in territory;
Specifically sending to which interface determines according to carrying out the definition of territory when dividing.Such as, divide if carry out the territory according to situation shown in Figure 3, then owing to have relation one to one between interior-external tapping, then the message that receives from an interface must be sent to its corresponding interface; Otherwise, if just-the external tapping group is corresponding, then can send to the interface in another group arbitrarily.
Preferable, when interface had been carried out the division of interface pipeline according to application, it sent destination and will further be limited, and this will inquire in follow-up embodiment 2 in detail.
As can be seen, the band width control method that provides by the embodiment of the invention 1, carrying out the territory based on the physical set web frame divides, both satisfied the hardware requirement of interface in the territory, be no longer dependent on management to single face, include the logic manage factor in consideration again, for further carry out fine granularity, multi-level Bandwidth Management provides wide space.
Because the angle of the technical scheme that embodiment 1 is provided whole hardware condition from the territory is for bandwidth control provides assurance; Therefore, on the basis of embodiment 1,, can realize multi-level, fine-grained Bandwidth Management by in the territory, carrying out the restriction of user and application bandwidth.Concrete, the embodiment of the invention 2～embodiment 4 further provides the bandwidth controlling schemes based on different application on the territory.
Embodiment 2:
Please refer to Fig. 4, present embodiment 2 may further comprise the steps:
S2-1, carry out the territory according to physical set web frame docking port and divide, wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
S2-2, divide for interface carries out the interface pipeline, it is corresponding with an application that each interface pipeline is set;
Common, an interface can be divided into a plurality of interface pipelines (pipeline), and each interface pipeline can have different bandwidth, and the bandwidth sum of interface pipeline is an interface bandwidth.
Each interface pipeline can be used for corresponding different application when creating, for example point-to-point application (peer-to-peer is called for short P2P), IP phone (Voice over Internet Protocol is called for short VoIP) etc.Wherein, the interface pipeline is the transmission path that correspondence is used in the territory under this interface.Wherein, this interface pipeline can be unique transmission path that correspondence is used in the territory under this interface, also can be one of a plurality of transmission paths that correspondence is used in the territory under this interface, perhaps, when interface has one-to-one relationship in the territory, also can be one of corresponding unique transmission path of using or transmission path in the interface of place.As shown in Figure 5, be a schematic diagram that concerns between interface and the interface pipeline, wherein, interface A can be divided into four interface pipelines, is respectively: interface pipeline A1, A2, A3 and A4.Each interface pipeline all has a bandwidth value, and all are subjected to the restriction of this bandwidth value by the flow of this interface pipeline.
S2-3, be that each territory is formulated territory and allowed bandwidth on to external tapping direction and external tapping to the inner joint direction at inner joint respectively;
S2-4, on each direction, formulate second according to application message and allow bandwidth, described second allows the interface pipeline of bandwidth and respective application adaptive;
Wherein, this step indication has two kinds of situations with the interface pipeline is adaptive:
The first, the interface pipeline does not allow to surpass bandwidth constraints, then second allows bandwidth not limit greater than the bandwidth value of interface pipeline, thereby realizes real bandwidth isolation, prevents abuse and misuse;
The second, the interface pipeline allows to surpass bandwidth constraints, and then second bandwidth value that allows bandwidth can be made as greater than the interface pipeline limits, and when actual bandwidth exceeded in this interface pipeline, this interface pipeline can be used remaining bandwidth from other interface pipelines.
S2-5, when when an interface receives message, whether the utilized bandwidth under the identification on the current direction in territory exceeds the territory allows bandwidth, is then to abandon described message, otherwise execution in step S2-6;
By this step, realize that the online bandwidth of physical set isolates, guaranteed that physical interface is unlikely to block up.
Using utilized bandwidth under on S2-6, the current direction of identification and whether exceed the second permission bandwidth, is then to abandon described message, otherwise execution in step S2-7;
By this step, realized that the bandwidth of application level is isolated, guaranteed the stability of each utility cession bandwidth.
S2-7, will send to by the message of bandwidth control under in the corresponding interface pipeline of another group interface in territory.
As can be seen, present embodiment 2 is realized the multi-zone supervision of bandwidth control based on interface pipeline and territory, thereby realizes the multi-level bandwidth control based on hardware constraints and logical process.Especially, when allowing bandwidth to carry out refinement to be provided with, can realize more fine-grained bandwidth control, described in embodiment 3 to second.
Embodiment 3:
In order to realize fine-grained bandwidth control, in the present embodiment, formulate second according to application message and allow bandwidth to comprise: formulate a permission of using and connect sum, newly-built connection speed and/or connect bandwidth constraints etc.
Then, referring to Fig. 6, step S2-6 can specifically comprise among the embodiment 2:
Whether S3-6-1, the described message of identification are newly-built connection, are execution in step S3-6-2 then, otherwise carry out S3-6-4;
The permission whether S3-6-2, the described message of identification surpass affiliated application connects sum, is execution in step S3-6-6 then, otherwise carries out S3-6-3;
The newly-built connection speed whether S3-6-3, the described message of identification are used under exceeding is execution in step S3-6-6 then, otherwise carries out S3-6-4;
The connection bandwidth constraints whether S3-6-4, the described message of identification are used under exceeding is execution in step S3-6-6 then, otherwise execution in step S3-6-5;
S3-6-5, be that described message distributes and shares priority and business interface pipeline sign, this step finishes, and carries out subsequent step S2-7 downwards;
Wherein, in the present embodiment, shared priority can have a plurality of grades, and numerical value large level more is high more, represents that this message can obtain more bandwidth and guarantee in affiliated interface pipeline; Business interface pipeline sign is used on outgoing interface message sent into appropriate interface pipeline, for example the application interface pipeline of VoIP.
S3-6-6, abandon this message, produce the Bandwidth Management daily record.
Obviously, by above-mentioned steps, can realize fine granularity management for interface bandwidth.
Further, for fear of the influence that the interface pipeline is used the application message that has influenced script bandwidth abundance, can also distinguish the transmission rank of using message, as described in Example 4.
Embodiment 4:
On the basis of embodiment 3, in the present embodiment, formulate second according to application message and allow bandwidth also to comprise: formulate the committed rate, peak rate of this application etc.
When second allowed bandwidth to be provided with by foregoing, referring to Fig. 7, step S2-6 can specifically comprise among the embodiment 2:
Whether S4-6-1, the described message of identification are newly-built connection, are execution in step S4-6-2 then, otherwise carry out S4-6-4;
The permission whether S4-6-2, the described message of identification surpass affiliated application connects sum, is execution in step S4-6-10 then, otherwise carries out S4-6-3;
The newly-built connection speed whether S4-6-3, the described message of identification are used under exceeding is execution in step S4-6-10 then, otherwise carries out S4-6-4;
The connection bandwidth constraints whether S4-6-4, the described message of identification are used under exceeding is execution in step S4-6-10 then, otherwise execution in step S4-6-5;
S4-6-5, be that described message distributes and shares priority and business interface pipeline sign;
Whether S4-6-6, the current message rate of identification exceed the committed rate of current application, are execution in step S4-6-7 then, otherwise execution in step S4-6-8;
Whether S4-6-7, the current message rate of identification exceed the peak rate of current application, are execution in step S4-6-10 then, otherwise execution in step S4-6-9;
S4-6-8, be first message with described packet labeling, this step finishes, and carries out subsequent step S2-7 downwards;
S4-6-9, be second message with described packet labeling, this step finishes, and carries out subsequent step S2-7 downwards;
S4-6-10, abandon this message, produce the Bandwidth Management daily record, finish.
In addition, second allows bandwidth can define abundant bandwidth parameter, such as comprising: allow the up average bandwidth of concurrent Total sessions, each session and descending session bandwidth etc.Its concrete control procedure and foregoing are similar, do not repeat them here.
When being provided with the second permission bandwidth in the above-described embodiments, please refer to Fig. 8, the step S2-7 among the embodiment 2 comprises:
S4-7-1, the business interface pipeline that carries according to described message identify, and determine the corresponding interface pipeline;
The packet labeling that S4-7-2, identification message carry is for the first message execution in step S4-7-3, for the second message execution in step S4-7-4;
S4-7-3, this message is sent to the direct transmit queue of the corresponding interface pipeline, this step S2-7 finishes;
S4-7-4, the shared priority of carrying according to this message are determined the corresponding priority level formation;
S4-7-5, this message sent to the respective priority formation of the corresponding interface pipeline.
Embodiment 5:
Further, among the foregoing description 1～embodiment 4 message is sent to after another group interface, can also comprise: according to the total bandwidth situation of described another group interface, scheduling message and transmission from interface queue.
Concrete, when interface can send message, the described message of scheduling from interface queue, and call the physics transmission; If physics sends successfully, then do not do any processing, if physics sends failure, then message reenters formation, waits for the next transmission cycle.Therefore, this step can be understood as the bandwidth shaping based on outgoing interface so that and the next-hop device of network carry out bandwidth adaptation.
Further, when message sent to the corresponding interface pipeline according to the step of step S4-7-1 to S4-7-4, in order to guarantee that the message in the direct transmit queue is preferentially sent, and the message of higher shared priority preferentially sent, and also comprises after the step 2-7:
S4-8-1, according to each interface pipeline of timer cycle poll, and calculate the message number that can send according to the interface total bandwidth;
S4-8-2, dispatch the message of the direct transmit queue under each interface pipeline;
S4-8-3, checking the message number that whether exceeds calculating, is then to finish, otherwise execution in step S4-8-4;
The priority query's message that has higher shared priority under S4-8-4, each interface pipeline of polling dispatching;
S4-8-5, checking the message number that whether exceeds calculating, is then to finish, otherwise execution in step S4-8-6;
Has low priority query's message of sharing priority under S4-8-6, each interface pipeline of polling dispatching;
That is, from priority at the highest level, and the like.Like this, can realize guaranteeing and the maximum available bandwidth restriction based on the minimum bandwidth of using in the territory, and the total bandwidth restriction that should use.
Embodiment 6:
The foregoing description 2～5 is described the technical scheme of carrying out bandwidth control from application point in detail.Preferable, be in the foregoing description 2～5 further based on the territory on different user carry out bandwidth control, to increase the level of Bandwidth Management, present embodiment provides a concrete implementation.
Please refer to Figure 10, may further comprise the steps at present embodiment 6:
S5-1, carry out the territory according to physical set web frame docking port and divide, wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
S5-2, divide for interface carries out the interface pipeline, it is corresponding with an application that each interface pipeline is set;
S5-3, be that each territory is formulated territory and allowed bandwidth on to external tapping direction and external tapping to the inner joint direction at inner joint respectively;
S5-4, on each direction, formulate first according to user profile and allow bandwidth; Wherein, different users or user's group can dispose different band-width tacticses.A first permission bandwidth that has defined can be applied on the both direction of the current field, inner joint for example--〉external tapping, perhaps external tapping--〉inner joint, be used to limit the flow bandwidth that belongs to different two end interfaces of deriving from of a certain groups of users on the territory.If the two ends of this current connection in territory are respectively intranet a and Internet network, then can pass through this function, but the flow total bandwidth of the visit internet network of limited subscriber a1 is 2Mbps, and the flow total bandwidth of the visit internet network of limited subscriber a2 is 4Mbps.
S5-5, on each direction, formulate second according to application message and allow bandwidth, described second allows the interface pipeline of bandwidth and respective application adaptive;
S5-6, when when an interface receives message, whether the utilized bandwidth under the identification on the current direction in territory exceeds the territory allows bandwidth, is then to abandon described message, otherwise execution in step S5-7;
Whether the affiliated user's utilized bandwidth on S5-7, the current direction of identification exceeds first allows bandwidth, is then to abandon described message, otherwise execution in step S5-8;
In this step, the affiliated user of IP information searching of message be can pass through to extract, thereby the bandwidth abuse and the misuse of user class prevented.
Using utilized bandwidth under on S5-8, the current direction of identification and whether exceed the second permission bandwidth, is then to abandon described message, otherwise execution in step S5-9;
S5-9, will send to by the message of bandwidth control under in the corresponding interface pipeline of another group interface in territory;
S5-10, according to the total bandwidth situation of described another group interface, scheduling message and sending from interface queue.
It may be noted that above-mentioned steps 5-4 and step 5-5, step 5-7 and step 5-8 have described a preferable sequential relationship, promptly carry out the control of user class bandwidth earlier, carry out the bandwidth control of application level again.But it may be noted that, sequential relationship between step 5-4 and step 5-5 and step 5-7 and the step 5-8 is not absolute, can carry out the bandwidth control (being first execution in step 5-6) of application level earlier, just in a territory yet, use for specifying, continue the segmentation user.But because number of users is generally more, carries out the user at application and limit and realize that difficulty is bigger, therefore, preferable technical scheme is at the flow of designated user or user's group shown in present embodiment 6, continues segmentation and uses.
As can be seen, by the method that present embodiment 6 provides, in the territory, further realized the bandwidth control of user class; Therefore for arbitrary message, passed through the bandwidth control of territory level bandwidth control--〉user class successively--〉the bandwidth control of application level, thus realized the bandwidth controlled function of fine granularity, multi-level and various dimensions.Further described below by a specific embodiment 7.
Embodiment 7:
See also Figure 11, be the schematic flow sheet of present embodiment.
Suppose that we have created a territory 1, and distributed the interface at two ends for this territory, E0/1 is an inner joint, and E0/4 is an external tapping; Wherein, arrow line is represented the message flow on this territory 1, and the basic handling step of a message through this territory the time is as follows:
1) message inserts: message enters route exchange device from inner joint E0/1, determines that according to this interface the territory under the message is territory 1;
2) based on the Bandwidth Management in territory: allow bandwidth according to the territory that disposes on the territory, determine whether current message can pass through this territory; If the bandwidth deficiency then directly abandons this message, if bandwidth is enough, message is continued downward processing;
3) based on the Bandwidth Management of different user on the territory: on affiliated territory 1,, and, determine whether current message can pass through according to the difference of user's group based on the group of the user under the IP information searching; If the bandwidth deficiency then directly abandons this message, if bandwidth is enough, message is continued downward processing;
4) based on the Bandwidth Management of using: according to affiliated application, for example VoIP uses, web browser (Web Browsing) is used, and searches committed rate, peak rate, shared priority, the business interface pipeline sign equiband parameter of this application.Whether committed rate and peak rate are used to judge the message color and should abandon: if current message rate＜committed rate, then message is labeled green; If committed rate＜current message rate＜peak rate, then packet labeling yellow; If current message rate＞peak rate, then packet labeling is for abandoning.Shared priority has 10 grades, and numerical value is big more, and rank is high more, represents that this message can obtain more bandwidth and guarantee in affiliated business interface pipeline.Business interface pipeline sign is used on outgoing interface message sent into suitable service queue, for example formation of VoIP business;
5) message is sent to outgoing interface: according to E0/1＜-forwarding of E0/4 relation, message is sent to outgoing interface E0/4;
6) based on the total bandwidth management of using: business interface pipeline sign, shared priority and the message color (yellow or green) of carrying according to message enter corresponding professional physical queue.Two Class Queue are all arranged under each interface pipeline: priority query and direct transmit queue, wherein priority query is used for storage and sends yellow packet, and directly transmit queue is used for storing and transmits green packet.Priority query is divided into 10 different formations according to 10 grades sharing priority, and yellow packet enters the corresponding priority query of current interface pipeline according to shared priority; Green packet will enter the direct transmit queue under the current interface pipeline.
7) based on the bandwidth shaping of outgoing interface: when during to each interface pipeline, calculating the message number that each interface pipeline can send according to the outgoing interface total bandwidth according to the timer cycle repeating query, and the direct transmit queue under each interface pipeline of priority scheduling; Finish if this formation sends, and still have the residue token to use, then continue the message in 10 priority queries of Round Robin, and calculate the message number that each formation can send according to shared priority.In a single day message is scheduled out from formation, send with regard to calling interface, if the interface total bandwidth is enough, then directly calls physics and sends, and sends failure otherwise return.If physics sends successfully, do not do any processing; If physics sends failure, then message reenters formation, and waits for that next timer cycle sends.
One of ordinary skill in the art will appreciate that, the all or part of step of realization said method embodiment can be finished by the relevant hardware of program command, described program can be stored in the computer read/write memory medium, is applied to comprise the route exchange device of many interfaces; This program comprises the steps: when carrying out
Carry out the territory according to physical set web frame docking port and divide, wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
For formulating the territory band-width tactics in each territory;
When an interface receives message, carry out bandwidth control according to the territory band-width tactics in affiliated territory, and another group interface in territory under will sending to by the message of bandwidth control.
Described storage medium comprises: ROM/RAM, magnetic disc or CD etc.
Accordingly, the invention provides bandwidth control apparatus, specifically described below by embodiment 8～embodiment 11.
Embodiment 8:
The bandwidth control apparatus that present embodiment provided is applied to comprise in the route exchange device (as router, gateway device etc.) of many interfaces 100, please in conjunction with Figure 12, comprises:
The territory is divided and is preserved unit 200, is used for preserving carrying out the territory division result according to physical set web frame docking port 100, and wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
The territory band-width tactics is preserved unit 300, is used to preserve the territory band-width tactics in each territory;
As can be seen, present embodiment has fully taken into account the interface hardware limiting factor, thereby has guaranteed the tenability of interface hardware to session by dividing the interface territory; Simultaneously,, the logic manage factor is considered, can further be guaranteed the stability of the individual bandwidth of session by formulation to the territory band-width tactics.
Preferable, this device can also comprise packet sending unit 500, is used for the total bandwidth situation according to interface 100, dispatches described message and send message from interface queue, thereby realize the interface bandwidth shaping.
In sum, this device can be taken all factors into consideration interface hardware limiting factor and logic manage factor, and then realize the control of multi-level, fine-grained interface bandwidth, described the bandwidth control apparatus that combines territory level control and application layer control as embodiment 9, embodiment 10 has further described the bandwidth control apparatus that combines territory level control, application layer control and user class control.
Embodiment 9:
Please, on the basis of embodiment 7, further comprise in conjunction with Figure 13:
The territory band-width tactics is preserved unit 300 and is comprised that the territory bandwidth preserves module 301, be used to be kept at inner joint to external tapping direction and external tapping to the inner joint direction on the territory in each territory allow bandwidth; Also comprise second bandwidth preservation module 302, be used to be kept at the second permission bandwidth of formulating based on application message on each direction, described second allows the interface pipeline 101 of bandwidth and respective application adaptive;
As can be seen, specifically carried out the control of other bandwidth of territory level, made total bandwidth in the territory be unlikely to exceed the total capacity of domain interface by territory bandwidth identification module 401; Realized controlling by the second bandwidth identification module 402, made in the territory to guarantee and maximum bandwidth limit for each application provides minimum bandwidth based on the bandwidth of application level; Thereby, realized multi-level bandwidth control based on hardware view and logic aspect.
Embodiment 10:
On the basis of embodiment 8 or enforcement reason 9,, also comprise please in conjunction with Figure 14:
The territory band-width tactics is preserved unit 300 and is also comprised first bandwidth preservation module 303, is used to be kept at the first permission bandwidth of formulating based on user profile on each direction;
Then bandwidth control unit 400 also comprises the first bandwidth identification module 403 that is connected with first bandwidth preservation module 303, be used to receive the message of described territory bandwidth identification module 401 outputs, in the present embodiment, message enters the second bandwidth identification module 402 again by the first bandwidth identification module 403 earlier; And the second bandwidth identification module 402 affiliated user's on the current direction of identification application bandwidth does not exceed second and allows under the situation of bandwidth, another group interface in territory under described message is sent to; Otherwise abandon described message.
As can be seen, present embodiment has further carried out the bandwidth control of user class by the first bandwidth identification module 403, thereby, realized bandwidth controls multi-level, various dimensions.
Embodiment 11:
In order further to realize fine-grained bandwidth control, please in conjunction with Figure 15, present embodiment further comprises:
The second bandwidth identification module 402 comprises recognition processing module 4021, shares priority flag module 4022 and business interface pipeline mark module 4023; By the newly-built connection of recognition processing module 4021 identifications, the newly-built connection speed that the permission that surpasses affiliated application for newly-built connection connects sum, use under not exceeding and/or do not exceed under the message of the connection bandwidth constraints used, and the message that does not exceed the affiliated connection bandwidth constraints of using for non-newly-built connection, call and share priority flag module 4022 and business interface pipeline mark module 4023, share priority and business interface pipeline sign for described message distributes; With other packet loss.
The second bandwidth identification module 402 also comprises packet labeling module 4024, be subjected to calling of recognition processing module 4021, being used for current message rate is first message less than the packet labeling of committed rate, is second message with current message rate less than peak rate but greater than the packet labeling of committed rate, with current message rate greater than the peak rate packet loss.
This dispatching message module 501 is used for each interface pipeline of cycle polling, and calculates the message number that can send according to the interface total bandwidth; Also be used to dispatch the message of the direct transmit queue under each interface pipeline; Under the situation that does not exceed described message number, the priority query's message that has higher shared priority under each interface pipeline of polling dispatching; Under the situation that does not exceed described message number, has low priority query's message of sharing priority under each interface pipeline of polling dispatching, thereby guarantee that the message in the direct transmit queue can preferentially send, and guarantee that the shared higher message of priority can preferentially be sent.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (12)
1. band width control method is applied to comprise it is characterized in that the route exchange device of many interfaces, may further comprise the steps:
Carry out the territory according to physical set web frame docking port and divide, wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
Divide for interface carries out the interface pipeline, each interface pipeline and is set uses correspondingly, and described interface pipeline be the transmission path of correspondence application in the affiliated territory of this interface;
Formulate the territory band-width tactics for each territory, comprising: on the inner joint direction, be each territory formulation territory permission bandwidth to external tapping direction and external tapping at inner joint respectively; On each direction, formulate first according to user profile and allow bandwidth; And according to the application message formulation second permission bandwidth, described second allows the interface pipeline of bandwidth and respective application adaptive;
When an interface receives message, carry out bandwidth control according to the territory band-width tactics in affiliated territory, comprising: whether the utilized bandwidth under the identification on the current direction in territory exceeds the territory allows bandwidth, is then to abandon described message, otherwise execution in step a; Step a: whether affiliated user's utilized bandwidth of discerning on the current direction exceeds the first permission bandwidth, is then to abandon described message, otherwise execution in step b; Step b: using utilized bandwidth under discerning on the current direction and whether exceed the second permission bandwidth, is then to abandon described message, otherwise, another group interface in territory under will sending to by the message of bandwidth control.
2. band width control method according to claim 1 is characterized in that, formulates second according to application message and allows bandwidth to comprise: formulate a permission of using and connect sum, newly-built connection speed and/or connect bandwidth constraints; Whether the affiliated application utilized bandwidth on the current direction of described identification exceeds second allows bandwidth to comprise:
Whether discern described message by newly-built connection transmission;
For newly-built connection, the newly-built connection the speed whether permission whether identification surpass affiliated application connects sum, use under exceeding and/or whether exceed under the connection bandwidth constraints used, be then to abandon described message, otherwise be that described message distributes shared priority and business interface pipeline sign, and message sent to another group interface in affiliated territory;
For non-newly-built connection, the connection bandwidth constraints of using under whether identification exceeds is then to abandon described message, otherwise is that described message distributes shared priority and business interface pipeline sign, another group interface in territory under message is sent to.
3. band width control method according to claim 2 is characterized in that, formulates second according to application message and allows bandwidth also to comprise: committed rate, the peak rate of formulating this application; Whether the affiliated application utilized bandwidth on the current direction of described identification exceeds second allows bandwidth also to comprise:
Discern current message rate;
If current message rate less than committed rate, is first message with described packet labeling then;
If current message rate less than peak rate but greater than committed rate, is second message with described packet labeling then;
If current message rate greater than peak rate, then abandons described message.
4. band width control method according to claim 3 is characterized in that, described message is sent under another group interface in territory comprise:
According to the business interface pipeline sign that described message carries, determine the corresponding interface pipeline;
For first message, send it to the direct transmit queue of the corresponding interface pipeline;
For second message, determine the corresponding priority level formation according to its shared priority of carrying after, send it to the respective priority formation of the corresponding interface pipeline.
5. band width control method according to claim 4 is characterized in that, also comprises the total bandwidth situation according to described another group interface, the described message of scheduling from interface queue, and call the physics transmission; Send failure, then send described message back to described interface queue again.
6. band width control method according to claim 5 is characterized in that, the described message of scheduling comprises from interface queue:
According to each interface pipeline of timer cycle poll, and the message number that calculating can send according to the interface total bandwidth;
Dispatch the message of the direct transmit queue under each interface pipeline;
Under the situation that does not exceed described message number, the priority query's message that has higher shared priority under each interface pipeline of polling dispatching;
Under the situation that does not exceed described message number, has low priority query's message of sharing priority under each interface pipeline of polling dispatching.
7. bandwidth control apparatus is applied to comprise it is characterized in that the route exchange device of many interfaces, comprising:
The territory is divided and is preserved the unit, is used for preserving carrying out the territory division result according to physical set web frame docking port, and wherein, arbitrary territory comprises one group of inner joint and one group of external tapping, and each group interface number is at least one;
Arbitrary described interface comprises a plurality of interface pipelines, and each interface pipeline and is used corresponding, is the corresponding transmission path of using in the affiliated territory;
The territory band-width tactics is preserved the unit, is used to preserve the territory band-width tactics in each territory, and it comprises: the territory bandwidth is preserved module, be used to be kept at inner joint to external tapping direction and external tapping to the inner joint direction on the territory in each territory allow bandwidth; First bandwidth is preserved module, is used to be kept at the first permission bandwidth of formulating based on user profile on each direction; Second bandwidth is preserved module, is used to be kept at the second permission bandwidth of formulating based on application message on each direction, and described second allows the interface pipeline of bandwidth and respective application adaptive;
The bandwidth control unit, being used for dividing the preservation unit with described territory respectively is connected with territory band-width tactics preservation unit, be used for the message that docking port receives, territory band-width tactics according to affiliated territory carries out bandwidth control, and will send to by the message of bandwidth control and corresponding another group interface of described interface, this bandwidth control unit comprises: territory bandwidth identification module, described territory bandwidth identification module is preserved module with described territory bandwidth and is connected, be used for not exceeding under the situation that the territory allows bandwidth described message is sent to the first bandwidth identification module, otherwise abandon described message in the utilized bandwidth on the territory current direction under the identification; Preserve the first bandwidth identification module that module is connected with first bandwidth, be used to receive the message of described territory bandwidth identification module output, and user's utilized bandwidth does not exceed under the situation of the first permission bandwidth under discerning on the current direction, and described message is sent to the second bandwidth identification module; Otherwise abandon described message; The second bandwidth identification module, preserving module with described second bandwidth is connected, be used to receive the message of described first bandwidth identification module output, and the application utilized bandwidth does not exceed under the situation of the second permission bandwidth under discerning on the current direction, described message is sent to another group interface in affiliated territory, otherwise abandon described message.
8. bandwidth control apparatus according to claim 7 is characterized in that, the described second bandwidth identification module comprises recognition processing module, shares priority flag module and business interface pipeline mark module; Discern newly-built connection by described recognition processing module, the newly-built connection speed that the permission that surpasses affiliated application for newly-built connection connects sum, use under not exceeding and/or do not exceed under the message of the connection bandwidth constraints used, and the message that does not exceed the affiliated connection bandwidth constraints of using for non-newly-built connection, call and share priority flag module and business interface pipeline mark module, share priority and business interface pipeline sign for described message distributes; With other packet loss.
9. bandwidth control apparatus according to claim 8, it is characterized in that, the described second bandwidth identification module also comprises the packet labeling module, called by recognition processing module, being used for current message rate is first message less than the packet labeling of committed rate, is second message with current message rate less than peak rate but greater than the packet labeling of committed rate, with current message rate greater than the peak rate packet loss.
10. bandwidth control apparatus according to claim 9 is characterized in that, described bandwidth control unit also comprises interface pipeline distribution module, and the business interface pipeline that is used for carrying according to described message identifies, and determines the corresponding interface pipeline; For first message, send it to the direct transmit queue of the corresponding interface pipeline; For second message, determine the corresponding priority level formation according to its shared priority of carrying after, send it to the respective priority formation of the corresponding interface pipeline.
11. bandwidth control apparatus according to claim 10 is characterized in that, also comprises packet sending unit, is used for the total bandwidth situation according to interface, dispatches described message and send described message from interface queue.
12. bandwidth control apparatus according to claim 11 is characterized in that, described packet sending unit comprises dispatching message module and message sending module;
Described dispatching message module is used for each interface pipeline of cycle polling, and calculates the message number that can send according to the interface total bandwidth; Also be used to dispatch the message of the direct transmit queue under each interface pipeline; Under the situation that does not exceed described message number, the priority query's message that has higher shared priority under each interface pipeline of polling dispatching; Under the situation that does not exceed described message number, has low priority query's message of sharing priority under each interface pipeline of polling dispatching;
Described message sending module is used for that the message of dispatching from interface queue is called physics and sends, and will send the message of failing and send interface queue again back to.
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| CN102143049B (en) * | 2010-02-03 | 2013-08-28 | 鸿富锦精密工业（深圳）有限公司 | Embedded equipment and data packet forwarding method thereof |
| WO2012149755A1 (en) * | 2011-09-20 | 2012-11-08 | 华为技术有限公司 | Forwarding method and forwarding device |
| CN102546412A (en) * | 2012-01-04 | 2012-07-04 | 深圳市共进电子股份有限公司 | Flow control method and flow controller |
| CN102843296B (en) * | 2012-08-28 | 2015-08-26 | 深圳市共进电子股份有限公司 | A kind of method that in local area network (LAN), designated terminal accelerates and router |
| CN103813339B (en) * | 2012-11-15 | 2017-05-31 | 鸿富锦精密工业（深圳）有限公司 | Bandwidth management system and management method |
| JP5935666B2 (en) * | 2012-11-22 | 2016-06-15 | 日立金属株式会社 | Communication system and network relay device |
| CN103401808B (en) * | 2013-07-04 | 2016-09-28 | 中国船舶重工集团公司第七二二研究所 | High performance network over coax bandwidth allocation method and device |
| US9716660B2 (en) * | 2014-12-11 | 2017-07-25 | Intel Corporation | Hierarchical enforcement of service flow quotas |
| CN106209670B (en) * | 2016-06-28 | 2020-02-11 | 新华三技术有限公司 | Interface control method and device |
| CN110913235A (en) * | 2018-09-18 | 2020-03-24 | 优酷网络技术（北京）有限公司 | Access control method and device for large-scale live broadcast and electronic equipment |
| CN110958503B (en) * | 2019-12-03 | 2022-03-18 | 锐捷网络股份有限公司 | Bandwidth distribution device and method |
| CN111262736A (en) * | 2020-01-15 | 2020-06-09 | 福建奇点时空数字科技有限公司 | Bandwidth fine-grained management method based on multi-channel hierarchical traffic shaping |
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