CN103166872A - Method for forwarding traffic in network and network equipment - Google Patents
Method for forwarding traffic in network and network equipment Download PDFInfo
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- CN103166872A CN103166872A CN2013100729854A CN201310072985A CN103166872A CN 103166872 A CN103166872 A CN 103166872A CN 2013100729854 A CN2013100729854 A CN 2013100729854A CN 201310072985 A CN201310072985 A CN 201310072985A CN 103166872 A CN103166872 A CN 103166872A
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Abstract
The invention provides a method for forwarding traffic in a network and network equipment, and relates to the technical field of communication. The problem that the performance of a system is reduced because the conventional tunnel for transmitting services to be transmitted is not suitable for transmitting current services is solved; and the problems that the network equipment cannot be well relieved and the load of a multi-protocol label switching traffic engineering (MPLS TE) tunnel is large because the MPLS TE automatic broadband adjusting technology cannot realize expansion are also solved. The method comprises the following steps of: acquiring feature information of service traffic transmitted to the second network equipment by the first network equipment; determining a tunnel for transmitting the service traffic from the first tunnel and the second tunnel according to the feature information; and transmitting the service traffic to the second network equipment through the determined tunnel. The method and the network equipment can be applied to the transmission of the service traffic.
Description
Technical field
The present invention relates to communication technical field, relate in particular to method and the network equipment of traffic forwarding in network.
Background technology
at MPLS TE (Multi-Protocol Label Switching Traffic Engineering, multiple spot protocol label switching traffic engineering) in, operator disposed in network be used for bearer network equipment (as can for but be not limited to routing device etc.) between transmission business (as can for but be not limited to video traffic etc.) the MPLS traffic engineering tunnel (can be LSP (Label Switching Path, label forwarding path)), but the growth along with traffic carrying capacity, the load of the network equipment and MPLS traffic engineering tunnel is near maximal workload.
In prior art, can adopt MPLS TE automatic broadband adjustment technology to alleviate the larger problem of load of network equipment.
concrete, source network device is that business is transferred in the purpose network equipment by LSP1, the user can be according to upper limit Business Stream value and the lower limit Business Stream value of the flow source of configuration network equipment of LSP1, before source network device is sent to the purpose network equipment with business, at first judge that whether these service traffics are greater than upper limit Business Stream value or no less than lower limit Business Stream value, if greater than upper limit Business Stream value or less than lower limit Business Stream value, rebulid LSP2, and can but be not limited to according to the service traffics of current transmission configuration LSP2 flow parameter (can for but be not limited to: upper limit Business Stream value, lower limit Business Stream value etc.), after establishing LSP2, deletion LSP1.
State in realization in the process based on the transfer of data of MPLS TE, the inventor finds that in prior art, there are the following problems at least: the user can't configure the flow parameter of LSP2 and the transmission path that can not specify LSP2 according to actual needs, cause LSP2 may be not suitable for transmitting current business, reduce systematic function; In addition, MPLS TE automatic broadband adjustment technology can't be realized dilatation, causes can not better alleviating the network equipment and the larger problem of MPLS traffic engineering tunnel load.
Summary of the invention
Embodiments of the invention provide a kind of method and network equipment of the transfer of data based on MPLS TE, solved current be used to transmitting business to be transmitted the tunnel and be not suitable for transmitting current business, reduce the problem of systematic function; In addition, also solve MPLS TE automatic broadband adjustment technology and can't realize dilatation, caused can not better alleviating the network equipment and the larger problem of MPLS traffic engineering tunnel load.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, the method of traffic forwarding in a kind of network is provided, described network comprises first network equipment and second network equipment, set up between described first network equipment and described second network equipment the first tunnel and the second tunnel are arranged, the bandwidth value in described the first tunnel is less than the bandwidth value in described the second tunnel, and described method comprises:
Described first network equipment obtains to the characteristic information of the service traffics of described second network equipment transmission;
Be identified for transmitting the tunnel of described service traffics from described the first tunnel and described the second tunnel according to described characteristic information;
By the described service traffics of definite tunnel to described second network equipment transmission.
In the possible implementation of the first, described characteristic information comprises: the flow value of service traffics;
The described tunnel that is identified for transmitting described service traffics according to described characteristic information from described the first tunnel and described the second tunnel comprises:
During less than the preset flow value, send described service traffics by described the first tunnel to described second network equipment when described flow value;
When described flow value is not less than described preset flow value, send described service traffics by described the second tunnel to described second network equipment.
In conjunction with first aspect, in the possible implementation of the second, described characteristic information comprises: the type of service of service traffics;
The described tunnel that is identified for transmitting described service traffics according to described characteristic information from described the first tunnel and described the second tunnel comprises:
When described type of service is low priority traffice, send described service traffics by described the first tunnel to described second network equipment;
When described type of service is high-priority service, send described service traffics by described the second tunnel to described second network equipment.
In conjunction with the first of first aspect or first aspect possible implementation or the possible implementation of the second, in possible implementation, described method also comprises in the 3rd:
The flow value of the described service traffics that send to described second network equipment by described the first tunnel in the given time when judgement is during greater than the upper flow value, by described the second tunnel to the described service traffics of described second network equipment transmission;
When judgement within the described scheduled time by described the second tunnel to the flow value of the described service traffics of described second network equipment transmission during less than the lower limit flow value, send described service traffics by described the first tunnel to described second network equipment, wherein, described upper flow value is greater than described lower limit flow value.
In conjunction with the possible implementation of the first of first aspect or first aspect any one mode to the third possible implementation, in the 4th kind of possible implementation, described the first tunnel or described the second tunnel are to utilize GMPLS Control to set up by optical-fiber network.
Second aspect, the first network equipment of traffic forwarding in a kind of network is provided, described network comprises described first network equipment and second network equipment, set up between described first network equipment and described second network equipment the first tunnel and the second tunnel are arranged, the bandwidth value in described the first tunnel is less than the bandwidth value in described the second tunnel, and described first network equipment comprises:
Acquiring unit is used for obtaining the characteristic information to the service traffics of described second network equipment transmission;
Determining unit is used for being identified for transmitting from described the first tunnel and described the second tunnel according to described characteristic information the tunnel of described service traffics;
Transmitting element is used for the described service traffics that send to described second network equipment by the tunnel of determining.
In the possible implementation of the first, the characteristic information that described acquiring unit obtains comprises: the flow value of service traffics;
Described determining unit comprises:
The first determination module is used for when described flow value during less than the preset flow value, by described the first tunnel to the described service traffics of described second network equipment transmission; When described flow value is not less than described preset flow value, send described service traffics by described the second tunnel to described second network equipment.
In conjunction with second aspect, in the possible implementation of the second, the characteristic information that described acquiring unit obtains comprises: the type of service of service traffics;
Described determining unit comprises:
The second determination module is used for sending described service traffics by described the first tunnel to described second network equipment when described type of service is low priority traffice; When described type of service is high-priority service, send described service traffics by described the second tunnel to described second network equipment.
In conjunction with the first of second aspect or second aspect possible implementation or the possible implementation of the second, in the third possible implementation, described transmitting element, concrete be used for when judgement in the given time by described the first tunnel to the flow value of the described service traffics of described second network equipment transmission during greater than the upper flow value, by described the second tunnel to the described service traffics of described second network equipment transmission;
When judgement within the described scheduled time by described the second tunnel to the flow value of the described service traffics of described second network equipment transmission during less than the lower limit flow value, send described service traffics by described the first tunnel to described second network equipment, wherein, described upper flow value is greater than described lower limit flow value.
In conjunction with the possible implementation of the first of second aspect or second aspect any one mode to the third possible implementation, in the 4th kind of possible implementation, described the first tunnel or described the second tunnel are to utilize GMPLS Control to set up by optical-fiber network.
The method of traffic forwarding and the network equipment in the network that the embodiment of the present invention provides, after adopting such scheme, first network equipment obtains to the characteristic information of the service traffics of described second network equipment transmission; Be identified for transmitting the tunnel of described service traffics from described the first tunnel and described the second tunnel according to described characteristic information; By the described service traffics of definite tunnel to described second network equipment transmission.First network equipment can be determined suitable tunnel according to the characteristic information of the service traffics that send to second network equipment, makes service traffics can better be sent to second network equipment, has increased the performance of system; Simultaneously, in this programme, be provided with at least two tunnels that are used for the transport service flow, therefore, also realized dilatation, and then the load of having alleviated the network equipment and having transmitted the tunnel.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The method flow diagram of traffic forwarding in a kind of network that Fig. 1 provides for the present embodiment;
The method flow diagram of traffic forwarding in the another kind of network that Fig. 2 provides for the present embodiment;
Fig. 3 is the system construction drawing of the method for traffic forwarding in network shown in Figure 2;
The method flow diagram of traffic forwarding in another network that Fig. 4 provides for the present embodiment;
Fig. 5 is the system construction drawing of the method for traffic forwarding in network shown in Figure 4;
The virtual architecture schematic diagram of a kind of network equipment that Fig. 6 provides for the present embodiment;
The virtual architecture schematic diagram of the another kind of network equipment that Fig. 7 provides for the present embodiment;
The entity structure schematic diagram of a kind of network equipment that Fig. 8 provides for the present embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
In prior art, during less than lower limit Business Stream value or greater than upper limit Business Stream value, set up the new LSP2 that is used for transmitting business to be transmitted when the flow of business to be transmitted, and deletion LSP1.
But in prior art, the user can't configure the flow parameter of LSP2 and the transmission path that can not specify LSP2 according to actual needs, causes LSP2 may be not suitable for transmitting current business, reduces systematic function; In addition, MPLS TE automatic broadband adjustment technology can't be realized dilatation, causes can not better alleviating the network equipment and the larger problem of MPLS traffic engineering tunnel load.
In order to solve the problems of the prior art, the present embodiment provides the method for traffic forwarding in a kind of network, wherein, network comprises first network equipment and second network equipment, set up between first network equipment and second network equipment the first tunnel and the second tunnel are arranged, the bandwidth value in the first tunnel is less than the bandwidth value in the second tunnel, and as shown in Figure 1, method comprises:
101, first network equipment obtains to the characteristic information of the service traffics of second network equipment transmission;
102, be identified for the tunnel of transport service flow according to characteristic information from the first tunnel and the second tunnel;
103, the service traffics that send to second network equipment by the tunnel of determining.
After adopting such scheme, first network equipment obtains to the characteristic information of the service traffics of second network equipment transmission; Be identified for the tunnel of transport service flow from the first tunnel and the second tunnel according to characteristic information; By the service traffics of definite tunnel to the transmission of second network equipment.First network equipment can be determined suitable tunnel according to the characteristic information of the service traffics that send to second network equipment, makes service traffics can better be sent to second network equipment, has increased the performance of system; Simultaneously, in this programme, be provided with at least two tunnels that are used for the transport service flow, therefore, also realized dilatation, and then the load of having alleviated the network equipment and having transmitted the tunnel.
The present embodiment provides the method for traffic forwarding in another kind of network, the method is further expanding method shown in Figure 1, network can but be not limited to comprise first network equipment and second network equipment, between first network equipment and second network equipment can but be not limited to set up the first tunnel and the second tunnel arranged, the bandwidth value in the first tunnel is less than the bandwidth value in the second tunnel.
And in the present embodiment, characteristic information can but be not limited to comprise the flow value of service traffics, first network equipment can determine to send to second network equipment according to the flow value of service traffics the tunnel of these service traffics.
As shown in Figure 2, can comprise:
201, first network equipment obtains to the characteristic information of the service traffics of second network equipment transmission.
Further, characteristic information can but be not limited to comprise: the flow value of service traffics.
First network equipment is before sending service traffics to second network equipment, and at first first network equipment can be determined then, to send service traffics according to this flow value to second network equipment to the flow value of the service traffics of second network equipment transmission.
As an embodiment of the present embodiment, first network equipment can but be not limited to obtain from this locality the characteristic information of service traffics, perhaps, can also obtain the characteristic information of service traffics from third party device.
As an embodiment of the present embodiment, characteristic information can also include but not limited to: the type identification of service traffics and/or be used for to describe the content identification etc. of service traffics.
The present embodiment is not construed as limiting the content that comprises in service traffics and the method for obtaining characteristic information, is not limited to above-mentioned cited example, can set according to actual needs, does not repeat them here.
202, first network equipment judges that whether flow value is less than the preset flow value.If be not less than, execution in step 207, if less than, execution in step 203.
As an embodiment of the present embodiment, first network equipment can arrange according to the load of network of living in a preset flow value, during less than the preset flow value, illustrates that these service traffics are less when service traffics, when service traffics are not less than the preset flow value, illustrate that these service traffics are larger.
The present embodiment is not construed as limiting the method for the flow value size of judgement service traffics, is not limited to above-mentioned cited method, can set according to actual needs, does not repeat them here.
203, first network equipment judges whether to exist the first tunnel.If exist, execution in step 205, if do not exist, execution in step 204.
When service traffics hour, can carry out the service traffics transmission by the first less tunnel of bandwidth value, in order to save the shared Internet resources in the larger tunnel of flow, to be used for other service traffics of transmission.
Further, if there is the first tunnel, the flow value of the service traffics that first network equipment can also transmit as required, current network state etc. are adjusted the bandwidth value in the first tunnel, like this, increase the flexibility of the first tunnel transmission service traffics, and then increased the performance of system.
The present embodiment is not construed as limiting the bandwidth value in the first tunnel, can set according to actual needs, does not repeat them here.
204, first network equipment is set up the first tunnel.
Further, the first tunnel can but be not limited to and utilize GMPLS (Generalized Multiprotocol Label Switching, general multiple protocols sign exchange agreement) to set up by optical-fiber network.
The present embodiment is not construed as limiting the method for setting up the first tunnel, can set according to actual needs, does not repeat them here.
205, first network equipment sends service traffics by the first tunnel to second network equipment.
As an embodiment of the present embodiment, if it is less to be transferred to the flow value of service traffics of second network equipment, due to, the bandwidth value in the first tunnel is less than the bandwidth value in the second tunnel, therefore, first network equipment can send service traffics to second network equipment by the first tunnel.
206, whether the flow value of the service traffics that send to second network equipment by the first tunnel in the given time of first network equipment judgement is greater than the upper flow value.If greater than, execution in step 207, if be not more than, execution in step 201.
The present embodiment is not construed as limiting the size of upper flow value, can set according to actual needs, does not repeat them here.
As an embodiment of the present embodiment, in order to carry out by the tunnel of optimum the service traffics transmission, the flow value of the service traffics that send to second network equipment by the first tunnel in the given time when judgement can send service traffics to second network equipment by the second tunnel during greater than the upper flow value.
Concrete, as an embodiment of the present embodiment, first network equipment can also arrange according to the load of network of living in upper flow value and lower limit flow value.
If current first tunnel that passes through of first network equipment is to second network device transmission service traffics, when the flow value of service traffics during greater than the upper flow value, illustrate that these service traffics are larger, first network equipment can be by the second tunnel to second network device transmission service traffics; During less than the lower limit flow value, illustrate that these service traffics are less when the flow value of service traffics, first network equipment still can be by the first tunnel to second network device transmission service traffics; When service traffics are not more than the upper flow value and are not less than the lower limit flow value, these service traffics are described and change before not quite, first network equipment still can be by the first tunnel to second network device transmission service traffics.
207, first network equipment judges whether to exist the second tunnel.If exist, execution in step 209, if do not exist, execution in step 208.
When service traffics are larger, can carry out the service traffics transmission by the second larger tunnel of bandwidth value, in order to better service traffics are transmitted, can also save the shared Internet resources in the less tunnel of flow simultaneously, to be used for other service traffics of transmission.
Further, if there is the second tunnel, can but the flow value of the service traffics that are not limited to transmit as required, current network state etc. are adjusted the bandwidth value in the second tunnel, increased the flexibility of the second tunnel transmission service traffics, and then increased the performance of system.
The present embodiment is not construed as limiting the bandwidth value in the second tunnel, can set according to actual needs, does not repeat them here.
208, first network equipment is set up the second tunnel.
Further, the second tunnel can but be not limited to and utilize GMPLS (Generalized Multiprotocol Label Switching, general multiple protocols sign exchange agreement) to set up by optical-fiber network.
The present embodiment is not construed as limiting the method for setting up the second tunnel, can set according to actual needs, does not repeat them here.
209, first network equipment sends service traffics by the second tunnel to second network equipment.
As an embodiment of the present embodiment, if it is larger to be transferred to the flow value of service traffics of second network equipment, due to, the bandwidth value in the first tunnel is less than the bandwidth value in the second tunnel, therefore, first network equipment can send service traffics to second network equipment by the second tunnel.
210, whether the flow value of the service traffics that send to second network equipment by the second tunnel in the given time of first network equipment judgement less than the lower limit flow value, if less than, execution in step 203, if be not less than, execution in step 201.
In order to save the shared Internet resources in the larger tunnel of flow, to be used for other service traffics of transmission, the flow value of the service traffics that send to second network equipment by the second tunnel in the given time when judgement is during less than the lower limit flow value, and first network equipment can send service traffics to second network equipment by the first tunnel.
Concrete, if current second tunnel that passes through of first network equipment is to second network device transmission service traffics, during greater than the upper flow value, illustrate that these service traffics are larger when the flow value of service traffics, first network equipment still can be by the second tunnel to second network device transmission service traffics; During less than the lower limit flow value, illustrate that these service traffics are less when the flow value of service traffics, first network equipment can be by the first tunnel to second network device transmission service traffics; When service traffics are not more than the upper flow value and are not less than the lower limit flow value, these service traffics are described and change before not quite, first network equipment still can be by the second tunnel to second network device transmission service traffics.
In order to understand more clearly the present embodiment, the below enumerates a concrete example and describes.Wherein, describe take the network equipment as router as example, but the network equipment is not limited to router, can also for other equipment, not repeat them here.
As shown in Figure 3, there are two tunnels between router one and router three, comprise: the first tunnel and the second tunnel, wherein, the capable of regulating bandwidth traffic in the first tunnel is 1Gbit, and the capable of regulating bandwidth traffic in the second tunnel is 10Gbit, the upper flow value is 2Gbit, the flux lower limit value is 800Mbit, and current tunnel for the transport service flow is the first tunnel, and the bandwidth value in current the first tunnel is less than the bandwidth value in current the second tunnel.
After receiving the service traffics that need to transfer to router two when router one, judge that whether the flow value of service traffics is greater than 2Gbit or no less than 800Mbit, if greater than 2Gbit, the bandwidth value in the second tunnel is set to be 10Gbit, and by the second tunnel transmission service traffics, if less than 800Mbit, the bandwidth value in the first tunnel is set to 1Gbit, and still can pass through the first tunnel transmission service traffics.
After adopting such scheme, first network equipment obtains to the characteristic information of the service traffics of second network equipment transmission; Be identified for the tunnel of transport service flow from the first tunnel and the second tunnel according to characteristic information; By the service traffics of definite tunnel to the transmission of second network equipment.First network equipment can be determined suitable tunnel according to the characteristic information of the service traffics that send to second network equipment, makes service traffics can better be sent to second network equipment, has increased the performance of system; Simultaneously, in this programme, be provided with at least two tunnels that are used for the transport service flow, therefore, also realized dilatation, and then the load of having alleviated the network equipment and having transmitted the tunnel.
Characteristic information can but be not limited to comprise the type of service of service traffics, first network equipment can also determine to send to second network equipment according to the type of service of service traffics the tunnel of these service traffics.
Concrete, first network equipment can but be not limited to determine to send to second network equipment according to the priority of the type of service of service traffics the tunnel of service traffics.
The present embodiment provides the method for traffic forwarding in another kind of network, the method is further expanding method shown in Figure 1, characteristic information can but be not limited to comprise the type of service of service traffics, first network equipment can determine to send to second network equipment according to the type of service of service traffics the tunnel of these service traffics, as shown in Figure 4, can comprise:
401, first network equipment obtains to the characteristic information of the service traffics of second network equipment transmission.
Further, characteristic information can but be not limited to comprise: the type of service of service traffics.
First network equipment is before sending service traffics to second network equipment, at first first network equipment can be determined to the type of service of the service traffics of second network equipment transmission, then, the type of service according to these service traffics sends service traffics to second network equipment.
As an embodiment of the present embodiment, first network equipment can but be not limited to obtain from this locality the characteristic information of service traffics, perhaps, can also obtain the characteristic information of service traffics from third party device.
As an embodiment of the present embodiment, characteristic information can also include but not limited to: the type identification of service traffics and/or be used for to describe the content identification etc. of service traffics.
The present embodiment is not construed as limiting the content that comprises in service traffics and the method for obtaining characteristic information, is not limited to above-mentioned cited example, can set according to actual needs, does not repeat them here.
402, first network equipment judgement type of service is high-priority service or low priority traffice.If high-priority service, execution in step 407, if low priority traffice, execution in step 403.
As an embodiment of the present embodiment, the type of service of service traffics can but be not limited to be divided into two classes: data service and speech business.Due to, the flow of speech business is less, and higher but less demanding to packet loss to delay requirement, and therefore, speech business can be low priority traffice; The flow of data service is larger, and lower but packet loss is had relatively high expectations to delay requirement, and therefore, the data tones business can be high-priority service.
As an embodiment of the present embodiment, first network equipment can judge type of service speech business or the data service of service traffics.If speech business, execution in step 403, if data service, execution in step 407.
403, first network equipment judges whether to exist the first tunnel.If exist, execution in step 405, if do not exist, execution in step 404.
When the type of service of service traffics is low priority traffice (being speech business), first network equipment can carry out the service traffics transmission by the first less tunnel of bandwidth value, in order to save the shared Internet resources in the larger tunnel of flow, to be used for other high-priority service flows of transmission.
Further, if there is the first tunnel, the flow value of the service traffics that first network equipment can also transmit as required, current network state etc. are adjusted the bandwidth value in the first tunnel, like this, increase the flexibility of the first tunnel transmission service traffics, and then increased the performance of system.
The present embodiment is not construed as limiting the bandwidth value in the first tunnel, can set according to actual needs, does not repeat them here.
404, first network equipment is set up the first tunnel.
Further, the first tunnel can but be not limited to and utilize GMPLS (Generalized Multiprotocol Label Switching, general multiple protocols sign exchange agreement) to set up by optical-fiber network.
The present embodiment is not construed as limiting the method for setting up the first tunnel, can set according to actual needs, does not repeat them here.
405, first network equipment sends service traffics by the first tunnel to second network equipment.
As an embodiment of the present embodiment, if being transferred to the service traffics of second network equipment is the low priority traffice flow, due to, the bandwidth value in the first tunnel is less than the bandwidth value in the second tunnel, therefore, first network equipment can send service traffics to second network equipment by the first tunnel.
406, whether the flow value of the service traffics that send to second network equipment by the first tunnel in the given time of first network equipment judgement is greater than the upper flow value.If greater than, execution in step 407, if be not more than, execution in step 401.
The present embodiment is not construed as limiting the size of upper flow value, can set according to actual needs, does not repeat them here.
As an embodiment of the present embodiment, in order to carry out by the tunnel of optimum the service traffics transmission, the flow value of the service traffics that send to second network equipment by the first tunnel in the given time when judgement can send service traffics to second network equipment by the second tunnel during greater than the upper flow value.
Concrete, as an embodiment of the present embodiment, first network equipment can also arrange according to the load of network of living in upper flow value and lower limit flow value.
If current first tunnel that passes through of first network equipment is to second network device transmission service traffics, when the flow value of service traffics during greater than the upper flow value, illustrate that these service traffics are larger, first network equipment can be by the second tunnel to second network device transmission service traffics; During less than the lower limit flow value, illustrate that these service traffics are less when the flow value of service traffics, first network equipment still can be by the first tunnel to second network device transmission service traffics; When service traffics are not more than the upper flow value and are not less than the lower limit flow value, these service traffics are described and change before not quite, first network equipment still can be by the first tunnel to second network device transmission service traffics.
407, first network equipment judges whether to exist the second tunnel.If exist, execution in step 409, if do not exist, execution in step 408.
When service traffics are high-priority service, can carry out the service traffics transmission by the second larger tunnel of bandwidth value, in order to better service traffics are transmitted, simultaneously can also save the shared Internet resources in the less tunnel of flow, to be used for the service traffics of other low priorities of transmission.
Further, if there is the second tunnel, can but the flow value of the service traffics that are not limited to transmit as required, current network state etc. are adjusted the bandwidth value in the second tunnel, increased the flexibility of the second tunnel transmission service traffics, and then increased the performance of system.
The present embodiment is not construed as limiting the bandwidth value in the second tunnel, can set according to actual needs, does not repeat them here.
408, first network equipment is set up the second tunnel.
Further, the second tunnel can but be not limited to and utilize GMPLS (Generalized Multiprotocol Label Switching, general multiple protocols sign exchange agreement) to set up by optical-fiber network.
The present embodiment is not construed as limiting the method for setting up the second tunnel, can set according to actual needs, does not repeat them here.
409, first network equipment sends service traffics by the second tunnel to second network equipment.
As an embodiment of the present embodiment, if being transferred to the service traffics of second network equipment is the business of high priority, due to, the bandwidth value in the first tunnel is less than the bandwidth value in the second tunnel, therefore, first network equipment can send service traffics to second network equipment by the second tunnel.
410, whether the flow value of the service traffics that send to second network equipment by the second tunnel in the given time of first network equipment judgement less than the lower limit flow value, if less than, execution in step 403, if be not less than, execution in step 401.
In order to save the shared Internet resources in the larger tunnel of flow, to be used for other service traffics of transmission, the flow value of the service traffics that send to second network equipment by the second tunnel in the given time when judgement is during less than the lower limit flow value, and first network equipment can send service traffics to second network equipment by the first tunnel.
Concrete, if current second tunnel that passes through of first network equipment is to second network device transmission service traffics, during greater than the upper flow value, illustrate that these service traffics are larger when the flow value of service traffics, first network equipment still can be by the second tunnel to second network device transmission service traffics; During less than the lower limit flow value, illustrate that these service traffics are less when the flow value of service traffics, first network equipment can be by the first tunnel to second network device transmission service traffics; When service traffics are not more than the upper flow value and are not less than the lower limit flow value, these service traffics are described and change before not quite, first network equipment still can be by the second tunnel to second network device transmission service traffics.
In order to understand more clearly the present embodiment, the below enumerates a concrete example and describes.Wherein, describe take the network equipment as router as example, but the network equipment is not limited to router, can also for other equipment, not repeat them here.In addition, service traffics comprise: the data traffic of high priority and the voice flux of low priority.
As shown in Figure 5, there are two tunnels between router one and router three, comprise: the first tunnel and the second tunnel, wherein, the first default adjustment flow in the first tunnel is 1Gbit, and the second default adjustment flow in the second tunnel is 10Gbit, the upper flow value is 2Gbit, the lower limit flow value is 800Mbit, and current tunnel for the transport service flow is the first tunnel, and the present flow rate in the first tunnel is less than the present flow rate in the second tunnel.
After router one receives service traffics, the type of service of judgement service traffics is data service or speech business, if speech business, the flow set with the first tunnel is that the first default adjustment flow is 1Gbit, and still by the first tunnel transmission service traffics, if data service, the flow set with the second tunnel is that the second default adjustment flow is 10Gbit, and by the second tunnel transmission service traffics.
After adopting such scheme, first network equipment obtains to the characteristic information of the service traffics of second network equipment transmission; Be identified for the tunnel of transport service flow from the first tunnel and the second tunnel according to characteristic information; By the service traffics of definite tunnel to the transmission of second network equipment.First network equipment can be determined suitable tunnel according to the characteristic information of the service traffics that send to second network equipment, makes service traffics can better be sent to second network equipment, has increased the performance of system; Simultaneously, in this programme, be provided with at least two tunnels that are used for the transport service flow, therefore, also realized dilatation, and then the load of having alleviated the network equipment and having transmitted the tunnel.
The below provides some device embodiment, and this device embodiment is corresponding with the above-mentioned embodiment of the method that provides respectively.
The present embodiment provides the first network equipment of traffic forwarding in a kind of network, network can comprise first network equipment and second network equipment, setting up between first network equipment and second network equipment has the first tunnel and the second tunnel, and the bandwidth value in the first tunnel is less than the bandwidth value in the second tunnel.
As shown in Figure 6, the first network equipment that provides of the present embodiment can comprise:
Acquiring unit 61 is used for obtaining the characteristic information to the service traffics of second network equipment transmission;
Determining unit 62 is used for being identified for from the first tunnel and the second tunnel according to characteristic information the tunnel of transport service flow;
Transmitting element 63 is used for the service traffics that send to second network equipment by the tunnel of determining.
After adopting such scheme, acquiring unit is used for obtaining the characteristic information to the service traffics of second network equipment transmission; Determining unit is used for being identified for from the first tunnel and the second tunnel according to characteristic information the tunnel of transport service flow; Transmitting element is used for the service traffics that send to second network equipment by the tunnel of determining.Determining unit can be determined suitable tunnel according to the characteristic information of the service traffics that send to second network equipment, makes service traffics can better be sent to second network equipment, has increased the performance of system; Simultaneously, in this programme, be provided with at least two tunnels that are used for the transport service flow, therefore, also realized dilatation, and then the load of having alleviated the network equipment and having transmitted the tunnel.
The present embodiment provides the first network equipment of traffic forwarding in another kind of network, and this first network equipment is to the further expanding of first network equipment shown in Figure 6, and as shown in Figure 7, can comprise:
Acquiring unit 71 is used for obtaining the characteristic information to the service traffics of second network equipment transmission;
Determining unit 72 is used for being identified for from the first tunnel and the second tunnel according to characteristic information the tunnel of transport service flow;
Transmitting element 73 is used for the service traffics that send to second network equipment by the tunnel of determining.
Further, the characteristic information that obtains of acquiring unit 71 comprises: the flow value of service traffics;
Determining unit 72 comprises:
The first determination module 721 is used for when flow value during less than the preset flow value, by the first tunnel to second network equipment transmission service traffics; When flow value is not less than the preset flow value, send service traffics by the second tunnel to second network equipment.
Further, the characteristic information that obtains of acquiring unit 71 comprises: the type of service of service traffics;
Determining unit 72 comprises:
The second determination module 722 is used for sending service traffics by the first tunnel to second network equipment when type of service is low priority traffice; When type of service is high-priority service, send service traffics by the second tunnel to second network equipment.
Further, transmitting element 73, the concrete flow value that is used for the service traffics that send to second network equipment by the first tunnel in the given time when judgement be during greater than the upper flow value, by the second tunnel to second network equipment transmission service traffics;
The flow value of the service traffics that send to second network equipment by the second tunnel in the given time when judgement sends service traffics by the first tunnel to second network equipment during less than the lower limit flow value, and wherein, the upper flow value is greater than the lower limit flow value.
Further, the first tunnel or the second tunnel are to utilize GMPLS Control to set up by optical-fiber network.
After adopting such scheme, acquiring unit is used for obtaining the characteristic information to the service traffics of second network equipment transmission; Determining unit is used for being identified for from the first tunnel and the second tunnel according to characteristic information the tunnel of transport service flow; Transmitting element is used for the service traffics that send to second network equipment by the tunnel of determining.Determining unit can be determined suitable tunnel according to the characteristic information of the service traffics that send to second network equipment, makes service traffics can better be sent to second network equipment, has increased the performance of system; Simultaneously, in this programme, be provided with at least two tunnels that are used for the transport service flow, therefore, also realized dilatation, and then the load of having alleviated the network equipment and having transmitted the tunnel.
The present embodiment provides the first network equipment of traffic forwarding in another kind of network, network can comprise first network equipment and second network equipment, setting up between first network equipment and second network equipment has the first tunnel and the second tunnel, and the bandwidth value in the first tunnel is less than the bandwidth value in the second tunnel.
As shown in Figure 8, the first network equipment that provides of the present embodiment can comprise:
Processor 81 is used for obtaining the characteristic information to the service traffics of second network equipment transmission; Be identified for the tunnel of transport service flow from the first tunnel and the second tunnel according to characteristic information;
Transmitter 82 is used for the service traffics that send to second network equipment by the tunnel of determining.
Further, characteristic information can but be not limited to comprise: the flow value of service traffics;
Processor 81, concrete being used for when flow value during less than the preset flow value, by the first tunnel to second network equipment transmission service traffics;
When flow value is not less than the preset flow value, send service traffics by the second tunnel to second network equipment.
Further, characteristic information can but be not limited to comprise: the type of service of service traffics;
Processor 81, concrete being used for sends service traffics by the first tunnel to second network equipment when type of service is low priority traffice;
When type of service is high-priority service, send service traffics by the second tunnel to second network equipment.
Further, processor 81, the flow value that also is used for the service traffics that judgement sends to second network equipment by the first tunnel in the given time is greater than the upper flow value or less than the lower limit flow value.
Transmitter 82, the concrete flow value that is used for the service traffics that send to second network equipment by the first tunnel in the given time when judgement be during greater than the upper flow value, by the second tunnel to second network equipment transmission service traffics;
The flow value of the service traffics that send to second network equipment by the second tunnel in the given time when judgement sends service traffics by the first tunnel to second network equipment during less than the lower limit flow value, and wherein, the upper flow value is greater than the lower limit flow value.
Further, the first tunnel or the second tunnel are to utilize GMPLS Control to set up by optical-fiber network.
After adopting such scheme, processor obtains to the characteristic information of the service traffics of second network equipment transmission; Be identified for the tunnel of transport service flow from the first tunnel and the second tunnel according to characteristic information; The service traffics that transmitter sends to second network equipment by the tunnel of determining.Processor can be determined suitable tunnel according to the characteristic information of the service traffics that send to second network equipment, makes service traffics can better be sent to second network equipment, has increased the performance of system; Simultaneously, in this programme, be provided with at least two tunnels that are used for the transport service flow, therefore, also realized dilatation, and then the load of having alleviated the network equipment and having transmitted the tunnel.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (10)
1. the method for traffic forwarding in a network, it is characterized in that, described network comprises first network equipment and second network equipment, set up between described first network equipment and described second network equipment the first tunnel and the second tunnel are arranged, the bandwidth value in described the first tunnel is less than the bandwidth value in described the second tunnel, and described method comprises:
Described first network equipment obtains to the characteristic information of the service traffics of described second network equipment transmission;
Be identified for transmitting the tunnel of described service traffics from described the first tunnel and described the second tunnel according to described characteristic information;
By the described service traffics of definite tunnel to described second network equipment transmission.
2. method according to claim 1, is characterized in that, described characteristic information comprises: the flow value of service traffics;
The described tunnel that is identified for transmitting described service traffics according to described characteristic information from described the first tunnel and described the second tunnel comprises:
During less than the preset flow value, send described service traffics by described the first tunnel to described second network equipment when described flow value;
When described flow value is not less than described preset flow value, send described service traffics by described the second tunnel to described second network equipment.
3. method according to claim 1, is characterized in that, described characteristic information comprises: the type of service of service traffics;
The described tunnel that is identified for transmitting described service traffics according to described characteristic information from described the first tunnel and described the second tunnel comprises:
When described type of service is low priority traffice, send described service traffics by described the first tunnel to described second network equipment;
When described type of service is high-priority service, send described service traffics by described the second tunnel to described second network equipment.
4. the described method of any one according to claim 1 to 3, is characterized in that, described method also comprises:
The flow value of the described service traffics that send to described second network equipment by described the first tunnel in the given time when judgement is during greater than the upper flow value, by described the second tunnel to the described service traffics of described second network equipment transmission;
When judgement within the described scheduled time by described the second tunnel to the flow value of the described service traffics of described second network equipment transmission during less than the lower limit flow value, send described service traffics by described the first tunnel to described second network equipment, wherein, described upper flow value is greater than described lower limit flow value.
5. the described method of any one according to claim 1 to 4, is characterized in that, described the first tunnel or described the second tunnel are to utilize GMPLS Control to set up by optical-fiber network.
6. the first network equipment of traffic forwarding in a network, it is characterized in that, described network comprises described first network equipment and second network equipment, set up between described first network equipment and described second network equipment the first tunnel and the second tunnel are arranged, the bandwidth value in described the first tunnel is less than the bandwidth value in described the second tunnel, and described first network equipment comprises:
Acquiring unit is used for obtaining the characteristic information to the service traffics of described second network equipment transmission;
Determining unit is used for being identified for transmitting from described the first tunnel and described the second tunnel according to described characteristic information the tunnel of described service traffics;
Transmitting element is used for the described service traffics that send to described second network equipment by the tunnel of determining.
7. first network equipment according to claim 6, is characterized in that, the characteristic information that described acquiring unit obtains comprises: the flow value of service traffics;
Described determining unit comprises:
The first determination module is used for when described flow value during less than the preset flow value, by described the first tunnel to the described service traffics of described second network equipment transmission; When described flow value is not less than described preset flow value, send described service traffics by described the second tunnel to described second network equipment.
8. first network equipment according to claim 6, is characterized in that, the characteristic information that described acquiring unit obtains comprises: the type of service of service traffics;
Described determining unit comprises:
The second determination module is used for sending described service traffics by described the first tunnel to described second network equipment when described type of service is low priority traffice; When described type of service is high-priority service, send described service traffics by described the second tunnel to described second network equipment.
9. the described first network equipment of any one according to claim 6 to 8, it is characterized in that, described transmitting element, concrete be used for when judgement in the given time by described the first tunnel to the flow value of the described service traffics of described second network equipment transmission during greater than the upper flow value, by described the second tunnel to the described service traffics of described second network equipment transmission;
When judgement within the described scheduled time by described the second tunnel to the flow value of the described service traffics of described second network equipment transmission during less than the lower limit flow value, send described service traffics by described the first tunnel to described second network equipment, wherein, described upper flow value is greater than described lower limit flow value.
10. the described first network equipment of any one according to claim 6 to 9, is characterized in that, described the first tunnel or described the second tunnel are to utilize GMPLS Control to set up by optical-fiber network.
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