CN101510854A - Method, system and equipment for sharing business load - Google Patents
Method, system and equipment for sharing business load Download PDFInfo
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- CN101510854A CN101510854A CNA2009101314791A CN200910131479A CN101510854A CN 101510854 A CN101510854 A CN 101510854A CN A2009101314791 A CNA2009101314791 A CN A2009101314791A CN 200910131479 A CN200910131479 A CN 200910131479A CN 101510854 A CN101510854 A CN 101510854A
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Abstract
The invention discloses a business load sharing method, a system and equipment thereof; the method comprises the following steps: a forwarding device obtains the information of at least two next-hop addresses in accordance with the target address information carried in the business data of a source terminal, acquires a main-link address in the two next-hop addresses in accordance with the bandwidth information of the link, and sends business data from the source terminal to a target terminal through the main-link address. In the invention, the forwarding device obtains the bandwidth information of different links and acquires main-link addresses in accordance with the obtained bandwidth information, thereby distributing a next-hop address to business data and improving the transmission efficiency of business data.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method, system and equipment of sharing business load.
Background technology
Develop rapidly along with local area network technology, the business of local area network (LAN) is explosive growth, the factor that influences the LAN services quality has a lot, one of them The key factor is exactly the outbound of local area network (LAN) to wide area network, and along with the growth of LAN service, more and more higher to local area network (LAN) to the requirement of the bandwidth of WAN outlet link and availability.At present; when the local area network (LAN) of enterprise is connected to wide area network; in order to improve reliability; usually can introduce a low bandwidth link as backup link; to improve the availability of local area network (LAN) to the WAN outlet link, still on backup link, do not move business, have only when primary link breaks down; backup link just can be enabled, and is serious bandwidth waste for enterprise.
In the prior art, employing is based on the route switching method of tactful route, the strategy of formulating according to the user carries out Route Selection, on different links, realize switching, promptly the policy selection of formulating by the user is being moved professional or is being chosen in operation business on the backup link on the primary link, wherein, compare with the Route Selection of based target network, tactful route is a kind of routing forwarding of packet more flexibly mechanism.
Based on top analysis, carry out existing when route is switched following shortcoming at present:
What the strategy route embodied is user's will, belongs to the static configuration mode, and in the environment of the whole network dynamic routing, static configuration mode can't be consistent with the result of calculation of dynamic routing.In addition, tactful route is embedded in the forwarding process, can cause bigger influence to forwarding performance, reduces throughput of system.And the method based on the sharing business load of tactful route has a large amount of static configuration, complex management.
Summary of the invention
The invention provides a kind of method, system and equipment of sharing business load,, improve the efficient of service data transmission with the dynamic-configuration route.
In order to achieve the above object, the present invention proposes a kind of method of sharing business load, be applied to comprise in the system of source terminal, forwarding unit, purpose terminal, said method comprising the steps of:
Described forwarding unit obtains two-way next-hop address information at least according to the destination address information of carrying in the business datum from described source terminal;
Described forwarding unit obtains the active link address according to the bandwidth information of link in the described next hop address of two-way at least;
Described forwarding unit will send to described purpose terminal from the business datum of described source terminal by described active link address.
Preferably, described forwarding unit obtains the active link address according to the bandwidth information of link and comprises in the described next hop address of two-way at least:
Described forwarding unit is determined the pairing precedence information of the described next hop address of two-way at least according to the bandwidth information of link;
The pairing precedence information of the described forwarding unit described next hop address of two-way at least of storage;
It is described active link address that described forwarding unit is selected the next hop address of described precedence information optimum.
Preferably, when the described next hop address of two-way at least is the two-way next hop address, described forwarding unit will send to from the business datum of described source terminal after the described purpose terminal by described active link address, also comprise:
Described forwarding unit is handled the first default numerical value with the pairing precedence information in described active link address;
When the pairing precedence information in described active link address reaches preset first threshold, it is next active link address that described forwarding unit is selected another next hop address in the described two-way next hop address, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Described forwarding unit returns to the pairing precedence information in described active link address with described active link address.
Preferably, described forwarding unit will send to from the business datum of described source terminal after the described purpose terminal by described active link address, also comprise:
Described forwarding unit is handled default second value with the pairing precedence information in described active link address;
When the pairing precedence information in described active link address reaches the preset second threshold value, the third value that described forwarding unit is default with the information processing of next hop address;
Whether the information of judging described next hop address is greater than the 3rd default threshold value, if, the next hop address that described forwarding unit is reselected the precedence information optimum is the address of next active link, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Otherwise described forwarding unit recovers the pairing precedence information of the described next hop address of two-way at least, and the next hop address of reselecting described precedence information optimum is the active link address.
Preferably, when the bandwidth information of described link changed, described method also comprised:
Described forwarding unit redefines the pairing precedence information of the described next hop address of two-way at least according to the bandwidth information of described variation, and upgrades the pairing precedence information of storing in the described forwarding unit of the described next hop address of two-way at least.
Preferably, described forwarding unit will send to described purpose terminal from the business datum of described source terminal by described active link address and comprise:
When the address information of the described purpose terminal of carrying in the described business datum had record in described forwarding unit, described forwarding unit sent to described purpose terminal by described active link address with described business datum; Or
When the address information of the described purpose terminal of carrying in the described business datum did not write down in described forwarding unit, described forwarding unit sent to described purpose terminal by the mode of described active link address and default route with described business datum.
The present invention proposes a kind of system of sharing business load, comprise source terminal, forwarding unit and purpose terminal, wherein:
Described source terminal is used for sending business datum to described forwarding unit;
Described forwarding unit, electrically connect with described source terminal, be used for obtaining two-way next-hop address information at least according to the destination address information that described business datum is carried, bandwidth information according to link is obtained the active link address in the described next hop address of two-way at least, and will send to described purpose terminal from the business datum of described source terminal by described active link address;
Described purpose terminal electrically connects with described forwarding unit, is used to receive the business datum from described forwarding unit.
The present invention proposes a kind of equipment of sharing business load, comprising:
First acquisition module is used for obtaining two-way next-hop address information at least according to the destination address information of carrying from the business datum of described source terminal;
Second acquisition module electrically connects with described first acquisition module, is used for obtaining the active link address according to the bandwidth information of link in the next hop address of two-way at least that described first acquisition module obtains;
Sending module electrically connects with described second acquisition module, and the active link address that is used for obtaining by described second acquisition module will send to described purpose terminal from the business datum of described source terminal.
Preferably, described second acquisition module comprises:
Determine submodule, be used for bandwidth information, determine the pairing precedence information of the described next hop address of two-way at least according to link;
Sub module stored electrically connects with described definite submodule, is used to store the pairing precedence information of the next hop address of two-way at least that described definite submodule is determined;
The chooser module electrically connects with described sub module stored, and being used for selecting the next hop address of the described precedence information optimum that described sub module stored stores is described active link address.
Preferably, described equipment also comprises:
Processing module, be used for when the described next hop address of two-way at least is the two-way next hop address, described sending module will send to described purpose terminal by described active link address from the business datum of described source terminal after, the pairing precedence information in described active link address is handled the first default numerical value;
Select module, electrically connect with described processing module, be used for when the pairing precedence information in active link address after the described processing module processing reaches preset first threshold, selecting another next hop address in the described two-way next hop address is next active link address, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Recover module, electrically connect, be used for when described selection module selects another next hop address to be next active link address, described active link address being returned to the pairing precedence information in described active link address with described selection module.
Preferably,
Processing module is used for described sending module will send to described purpose terminal by described active link address from the business datum of described source terminal after, and the pairing precedence information in described active link address is handled default second value;
When the pairing precedence information in described active link address reaches the preset second threshold value, the third value that described processing module is default with the information processing of next hop address;
Described equipment also comprises:
Judge module, be used to judge that whether the information of described next hop address is greater than the 3rd default threshold value, if, the next hop address of reselecting the precedence information optimum is the address of next active link, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Otherwise, recover the pairing precedence information of the described next hop address of two-way at least, and the next hop address of reselecting described precedence information optimum is the active link address.
Preferably,
Described definite submodule also is used for: when the bandwidth information of described link changes, bandwidth information according to described variation, redefine the pairing precedence information of the described next hop address of two-way at least, and upgrade the pairing precedence information of storing in the described forwarding unit of the described next hop address of two-way at least.
Preferably, described sending module specifically is used for:
When the address information of the described purpose terminal of carrying in the described business datum has record in forwarding unit, described business datum is sent to described purpose terminal by described active link address; Or
When the address information of the described purpose terminal of carrying in the described business datum did not write down in described forwarding unit, the mode by described active link address and default route sent to described purpose terminal with described business datum.
Compared with prior art, the present invention has the following advantages: forwarding unit is by obtaining the bandwidth information of different links, and obtains the active link address according to bandwidth information, thereby distributes the address of next jumping for business datum, improves the efficient of service data transmission.
Description of drawings
In order to be illustrated more clearly in the present invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in the present invention or the description of the Prior Art below, apparently, accompanying drawing in describing below only is accompanying drawings more of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of a kind of sharing business load of the present invention's proposition;
The networking model structure chart that Fig. 2 proposes for the present invention;
Fig. 3 is the particular flow sheet of the sharing business load method of the present invention's proposition;
Fig. 4 is the equipment structure chart of the sharing business load of the present invention's proposition.
Embodiment
Below in conjunction with the accompanying drawing among the present invention, the technical scheme among the present invention is clearly and completely described, obviously, described only is a part of the present invention, rather than whole.Based on the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other invention that is obtained under the creative work prerequisite.
Core concept of the present invention is on forwarding unit, relies on the through street by handoff technique, business datum is shared on the different links, thereby made full use of different links, improves the efficient of service data transmission.Obtain the numerical priority value of different links according to the bandwidth information of different links at forwarding unit, and the numerical priority value of in forwarding unit, storing different links, after receiving the business datum that mails to other network (network outside the local area network (LAN) of forwarding unit place), select next jumping of main usefulness according to the different numerical priority value of different links, and with next hop address business datum is sent in the purpose network by this master, and the numerical priority value of different links changes, be that the forwarding unit revolution is sent out business datum one time, this master will subtract 1 with the pairing numerical priority value of next hop address, when this master is kept to 0 with the pairing numerical priority value of next hop address, just can select other link to jump with next as next one master, forwarding unit sends to business datum in the purpose network with the address of next jumping by using this next one master.
The method of a kind of sharing business load that the present invention proposes is applied to comprise in the system of source terminal, forwarding unit, purpose terminal, as shown in Figure 1, said method comprising the steps of:
Step S101, described forwarding unit obtains two-way next-hop address information at least according to the destination address information of carrying in the business datum from described source terminal.
Wherein, this forwarding unit and this source terminal are arranged in same local area network (LAN), and this source terminal is arranged in different local area network (LAN)s with this purpose terminal, and this forwarding unit includes but not limited to router.
Wherein, after this forwarding unit receives business datum from this source terminal, to determine the next hop address of this business datum according to the address information of carrying in the business datum, this next hop address is at least the two-way link, and forwarding unit can send to business datum on the purpose terminal by different links, be that forwarding unit need be selected wherein link as service data transmission from different links, this link is an active link, forwarding unit sends to business datum on the transmission equipment of active link, this transmission equipment includes but not limited to the transmission route device, promptly the address of this transmission route device is the active link address, after transmission route device (by the active link address) receives business datum, this business datum is sent on the purpose terminal.
Step S102, described forwarding unit obtains the active link address according to the bandwidth information of link in the described next hop address of two-way at least.
Wherein, described forwarding unit obtains the active link address according to the bandwidth information of link and comprises in the described next hop address of two-way at least:
Described forwarding unit is determined the pairing precedence information of the described next hop address of two-way at least according to the bandwidth information of link;
The pairing precedence information of the described forwarding unit described next hop address of two-way at least of storage;
It is described active link address that described forwarding unit is selected the next hop address of described precedence information optimum.
Wherein, forwarding unit select the next hop address of described precedence information optimum be described active link address can for: it is described active link address that described forwarding unit is selected the address of the highest link of numerical priority value; Certainly, according to the actual needs, it is the address of active link that forwarding unit can also be selected the minimum link of numerical priority value.
Wherein, when the described next hop address of two-way at least is the two-way next hop address, described forwarding unit will send to from the business datum of described source terminal after the described purpose terminal by described active link address, also comprise:
Described forwarding unit is handled the first default numerical value with the pairing precedence information in described active link address;
When the pairing precedence information in described active link address reaches preset first threshold, it is next active link address that described forwarding unit is selected another next hop address in the described two-way next hop address, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Described forwarding unit returns to the pairing precedence information in described active link address with described active link address.
Wherein, described forwarding unit will send to from the business datum of described source terminal after the described purpose terminal by described active link address, also comprise:
Described forwarding unit is handled default second value with the pairing precedence information in described active link address;
When the pairing precedence information in described active link address reaches the preset second threshold value, the third value that described forwarding unit is default with the information processing of next hop address;
Whether the information of judging described next hop address is greater than the 3rd default threshold value, if, the next hop address that described forwarding unit is reselected the precedence information optimum is the address of next active link, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Otherwise described forwarding unit recovers the pairing precedence information of the described next hop address of two-way at least, and the next hop address of reselecting described precedence information optimum is the active link address.
Concrete, after this forwarding unit sends to the pairing transmission equipment in active link address with business datum, just the pairing precedence information in active link address can have been handled the first default numerical value, certainly, also can after business datum is sent to the purpose terminal, the pairing precedence information in active link address be handled the first default numerical value.
Among the present invention, above-mentioned precedence information can be numerical priority value, above-mentioned processing procedure can be process that adds default value or the process that deducts default value, the first above-mentioned numerical value, second value, third value, first threshold value, second threshold value, the 3rd threshold value all are rule of thumb default numerical value, for example, this first numerical value, second value, third value all select 1, the first threshold value, second threshold value, the 3rd threshold value to select 0.
Concrete, on forwarding unit, can get access to the bandwidth of different links, forwarding unit is that different links is provided with different numerical priority value according to this bandwidth.Wherein, forwarding unit is that different links are provided with different numerical priority value and include but not limited to: the ratio according to link bandwidth is that different links is provided with different numerical priority value; Numerical value according to link bandwidth is that different links is provided with different numerical priority value; Size according to link bandwidth is that different links is provided with different numerical priority value; Strategy according to forwarding unit is that different links is provided with different numerical priority value.For example, when the bandwidth of link A is that the bandwidth of 100Mbps, link B is when being 10Mbps, above-mentioned ratio according to link bandwidth is that different links is provided with different numerical priority value and is specially: the ratio (100Mbps:10Mbps) according to bandwidth is provided with different numerical priority value for link A with link B, being link A is provided with different numerical priority value with link B with the ratio of 10:1, the priority that is about to link A is set to 10, the priority of link B is set to 1 (or the priority of link A is set to 100, and the priority of link B is set to 10 etc.); Above-mentioned numerical value according to link bandwidth is that different links is provided with different numerical priority value and is specially: the numerical value (100Mbps and 10Mbps) according to bandwidth is provided with different numerical priority value for link A with link B, the numerical priority value that is about to link A was set to for 100 (being equal to 100Mbps), and the numerical priority value of link B was set to for 10 (being equal to 10Mbps); Above-mentioned size according to link bandwidth is that different links is provided with different numerical priority value and is specially: be the big bigger numerical priority value of link setting of bandwidth, for the little link of bandwidth is provided with less numerical priority value, corresponding to the present invention, the bandwidth of the bandwidth ratio link B of link A is big, the numerical priority value of link A is set to 10 (this numerical value can be chosen arbitrarily), and the numerical priority value of link B is set to 8 (little the getting final product than 10); Above-mentioned strategy according to forwarding unit is that different links is provided with different numerical priority value and is specially: according to the strategy that is stored in advance on the forwarding unit, for different links is provided with different numerical priority value, this strategy that is stored on the forwarding unit can be set to 50 for the numerical priority value of the link of bandwidth maximum, the numerical priority value of the link of bandwidth second is set to 40, the numerical priority value of the link of bandwidth the 3rd is set to 30, certainly, this strategy that is stored in advance on the forwarding unit can also not repeat them here for other situation.
Step S103, described forwarding unit will send to described purpose terminal from the business datum of described source terminal by described active link address.
Wherein, this forwarding unit will send to the purpose terminal from the business datum of source terminal by this active link address and be specially: forwarding unit sends to the pairing transmission route device in active link address with business datum, by this transmission route device business datum is transmitted to the purpose terminal.Among the present invention, when forwarding unit sends to the pairing transmission route device in active link address with business datum, be to adopt the mode of sending out by circulation to carry out, be about to a plurality of packets and in a data flow, send to the transmission route device together that this data flow is a business data flow.
Wherein, when the bandwidth information of described link changed, above-mentioned method also comprised:
Described forwarding unit redefines the pairing precedence information of the described next hop address of two-way at least according to the bandwidth information of described variation, and upgrades the pairing precedence information of storing in the described forwarding unit of the described next hop address of two-way at least.
Concrete, this forwarding unit redefines the pairing numerical priority value of link address and above-mentioned forwarding unit according to the bandwidth information that changes, and to be according to bandwidth that different links is provided with the process of different numerical priority value identical, do not repeat them here.
Wherein, described forwarding unit will send to described purpose terminal from the business datum of described source terminal by described active link address and comprise:
When the address information of the described purpose terminal of carrying in the described business datum had record in described forwarding unit, described forwarding unit sent to described purpose terminal by described active link address with described business datum; Or
When the address information of the described purpose terminal of carrying in the described business datum did not write down in described forwarding unit, described forwarding unit sent to described purpose terminal by the mode of described active link address and default route with described business datum.
Concrete, this forwarding unit sends to the purpose terminal by the active link address with business datum and specifically comprises: when having write down the destination address information of business datum in this forwarding unit, this forwarding unit sends to the pairing transmission route device in active link address with this business datum, the pairing transmission route device in this active link address is after the business datum that receives from forwarding unit, from this business datum, search the information of destination address, the information of this destination address is the purpose terminal information, and this transmission route device sends to the purpose terminal according to this address information with business datum; When not having the destination address information of record traffic data in this forwarding unit, this forwarding unit sends to the pairing transmission route device in active link address by the mode of using default route with this business datum, the pairing transmission route device in this active link address is after the business datum that receives from forwarding unit, search the purpose terminal information from this business datum, this transmission route device sends to the purpose terminal according to this address information with business datum.
Wherein, the inventive method can be adjusted each sequence of steps according to actual needs.
The concrete application of the sharing business load method that the present invention proposes, this method is carried out sharing business load by using the through street by handoff technique, be applicable to the transmission of carrying out business datum by local area network (LAN) to the outbound between the wide area network, wherein, this local area network (LAN) can be for (outbound is two greater than 1 number to the number of the outbound between the wide area network, article three,, article four, or more), among the present invention, being two with local area network (LAN) to the outbound between the wide area network is that example describes, as shown in Figure 2, networking structure figure for sharing business load method of the present invention, these two local area network (LAN)s are respectively ISP1 (Internet Service Provider to the outbound between the wide area network, ISP) and ISP2, wherein, ISP provides Internet access business to users, information service, operator with value-added service, this operator includes but not limited to China Telecom, China Netcom, Chinese Education and Research Net, CSTNet, cable modem, be that different operator is for providing outbound between local area network (LAN) and the wide area network, make that local area network (LAN) can be according to the strategy of self, outbound by different operators sends to business datum in the wide area network, and by wide area network business datum is sent in the purpose network.Certainly, an operator also can be for providing many outbounds between local area network (LAN) and the wide area network, make the strategy of local area network (LAN) according to self, many outbounds that provide by this operator send to business datum in the wide area network, and business datum is sent in the purpose network by wide area network, among the present invention, be that outbound is provided between local area network (LAN) and the wide area network is that example describes with different operators.Among Fig. 2, network 1 is different local area network (LAN)s with network 2, terminal 1 and terminal 2 are in network (local area network (LAN)) 1, terminal 3 and terminal 4 are in network (local area network (LAN)) 2, among the present invention, business datum need be sent to terminal in the network 2 by wide area network with the terminal in the network 1 (including but not limited to terminal 1 and terminal 2), for example, terminal 1 and terminal 2 send to terminal 3 in the network 2 by wide area network with business datum, the IP address of this terminal 3 is IP1, and promptly the purpose IP address of the business datum of terminal 1 and terminal 2 transmissions is IP1.Above-mentioned sharing business load method may further comprise the steps as shown in Figure 3:
Step S301, the forwarding unit in the local area network (LAN) receives the business datum of self terminal.
Wherein, this local area network (LAN) is a network 1, this terminal is the terminal in the network 1, include but not limited to terminal 1 and terminal 2, this forwarding unit includes but not limited to router, among the present invention, is that to send to terminal 3 be that example describes for the business datum of IP1 with terminal 1 with a large amount of purpose IP address, this terminal 1 can directly send to router with business datum, also can business datum be transmitted to router by switch.Among the present invention, this business datum is to transmit in the mode of data flow, and promptly a plurality of packets are composition data stream together.
It is the active link address of business datum that step S302, the router in the network 1 select the address of the highest outbound of numerical priority value.
Router in this network 1 is example with the router one, outbound between network 1 and the ISP1 is link A, outbound between network 1 and the ISP2 is link B, this active link address is the address of the highest corresponding transmission equipment of outbound of numerical priority value, this transmission equipment includes but not limited to the transmission route device, for example, when the numerical priority value of the outbound A between network 1 and the ISP1 is the highest, router one sends to business datum in the transmission route device among the ISP1, and the address of this transmission route device is the active link address.
In this step, router one can be known the bandwidth of outgoing link A and the bandwidth of link B, and this router one can be that link A and link B distribute numerical priority value according to the bandwidth of this link A and the bandwidth of link B.Wherein, be that link A distributes the mode of numerical priority value to include but not limited to link B according to the bandwidth of link A and the bandwidth of link B: the ratio according to link bandwidth is that different links is provided with different numerical priority value; Numerical value according to link bandwidth is that different links is provided with different numerical priority value; Size according to link bandwidth is that different links is provided with different numerical priority value; Strategy according to forwarding unit is that different links is provided with different numerical priority value, identical among the detailed process of its distribution and the above-mentioned steps S102, not repeating them here, among the present invention, is that different numerical priority value is set is that example describes to different links with the ratio according to link bandwidth.
In this step, after getting access to the numerical priority value of distributing when router one into link A and link B, also need this numerical priority value is stored in this router one, for example, write down and store the numerical priority value of link A and link B distribution by the mode of using form, certainly, can also store the numerical priority value of link A and link B distribution by other mode.
In this step, router one also needs to obtain the number of outbound, is that link A and link B are that example describes with the outbound among the present invention, and promptly the number of outbound is 2.
Step S303, router one sends to router two by using the active link address with above-mentioned business datum.Wherein, this router two is the router in the network 2.
Concrete, router one is by searching route table items, business datum is sent to the pairing transmission route device in address of the highest outbound of numerical priority value, for example, when the numerical priority value of link A is the highest, router one sends to business datum in the transmission route device among the ISP1, transmission route device among this ISP1 (the pairing transmission route device in active link address) is after the business datum that receives from router one, search the information (information of this destination address is the purpose terminal information) of destination address from this business datum, this transmission route device sends to router (router two) in the purpose terminal place network (network 2) according to the information of this destination address with business datum.Wherein, after router one sent to business datum the pairing transmission route device in address of the highest outbound of numerical priority value, this router one also needed the pairing numerical priority value in address of the outbound that numerical priority value is the highest to subtract 1.
Wherein, router one includes but not limited to the mode that business datum sends to the pairing transmission route device in address of the highest outbound of numerical priority value: when having stored the route table items of business datum destination address in this router one, this router one sends to business datum according to the information of the business datum destination address that writes down in this route table items the pairing transmission route device in address of the highest outbound of numerical priority value; When not having the route table items of storage service data destination address in this router one, this router one sends to business datum in the mode of default route the pairing transmission route device in address of the highest outbound of numerical priority value;
Should be specially in the mode of default route: when in the route table items of router one, not finding the destination address information of carrying in the business datum, this router one will send this business datum will use default route, this default route is to be that 0.0.0.0, subnet mask are that the form of 0.0.0.0 occurs with the purpose network, this uses the mode of default route to send business datum to be prior art, to give unnecessary details no longer in detail at this.
Step S304, router two sends to the terminal 3 that purpose IP address is IP1 with this business datum.
Wherein, router two sends to this business datum on the terminal 3 (address is IP1) according to the destination address information of this business datum after receiving business datum.
Step S305, router one continue to receive the business datum of self terminal, and by the active link address this business datum are sent to router two.
Concrete, when the terminal in the network 11 when the purpose terminal sends a large amount of business datums, router one can constantly receive the business datum of self terminal 1, and router one all will send to router two with this business datum by the active link address, and finally be forwarded on the purpose terminal.Wherein, after router one sends to router two by the active link address with this business datum, also need the pairing numerical priority value in active link address is subtracted 1, this pairing numerical priority value in active link address is the address of the highest outbound of numerical priority value.
Among the present invention, router one is to adopt the mode of sending out by circulation to carry out business data transmission, receive the business datum of self terminal 1 when router one after, mating this business datum in the route table items fast, when the destination address information of carrying in this business datum has been mated corresponding information in quick route table items, directly this business datum is sent to the transmission route device, and do not need to have searched the routing table in the router one according to this quick route table items.Mating this business datum in the route table items fast, when the destination address information of carrying in this business datum is not mated corresponding information in quick route table items, router one is searched route table items, and according to this route table items this business datum is sent to the transmission route device.
Wherein, when the destination address information of carrying in the business datum is not mated corresponding information in quick route table items, router one is mating corresponding information in the route table items fast according to the destination address information of carrying in this business datum after receiving business datum.As seen, in the above-mentioned steps 1 business datum is sent to after the transmission route device, the information of in this quick route table items, just having mated terminal 3, when router one receives when mailing to the purpose terminal and being the business datum of terminal 3, all can match corresponding information, thereby it is above-mentioned to send to the purpose terminal by the transmission route device fast from quick route table items.
When terminal 1 continues to send business datum, continue the process shown in the execution in step S305, until the pairing numerical priority value in above-mentioned active link address is for reducing to 0.
When the pairing numerical priority value in above-mentioned active link address for after reducing to 0, the number of the outbound that gets access among the above-mentioned steps S302 is subtracted 1, and whether the numerical value of judging outbound is greater than 0, if the time, the numerical priority value of active link address is 0, the address of reselecting the highest link of numerical priority value is the address of next active link, and by the address of next active link business datum is sent to the purpose terminal; Otherwise, the pairing numerical priority value of all links is reverted to the pairing numerical priority value of determining according to link bandwidth information of link address, and the address of reselecting the highest link of numerical priority value is the active link address.
Among the present invention, outbound is that example describes with link A and link B, the number that is outbound is 2, when the number of outbound subtracts 1, the number of this outbound is 1, and at this moment, the numerical priority value of above-mentioned active link address (link A) is 0, the address (link B) of reselecting the highest link of numerical priority value is the address of next active link, promptly continues to transmit business datum by the address (link B) of using next active link and gives the purpose terminal.
Same, when the numerical priority value of link B reduces to 0, continuation subtracts 1 with the number of outbound, and whether the numerical value of judging outbound is greater than 0, and the number of outbound is 1 at this moment, and when the number of outbound subtracted 1, the number of this outbound was 0, promptly need the pairing numerical priority value of all links is reverted to the pairing numerical priority value of determining according to link bandwidth information of link address, and the address of reselecting the highest link of numerical priority value is the active link address; Among the present invention, the numerical priority value of link A is higher than the numerical priority value of link B, gives the purpose terminal by using this link A to continue to transmit business datum.
For example, the bandwidth of supposing link A is 1Gbps, the address of next jumping among the corresponding ISP1 is Ipa (address of the transmission route device among the ISP1), and the bandwidth of link B is 100Mbps, and the next hop address among the corresponding ISP2 is Ipb (address of the transmission route device among the ISP2).Among the present invention, be example with link A and link B, i.e. the number n of next jumping=2.The priority that IPa is set is 100, the priority of IPb is 10, among the present invention, be that priority with IPa is 100, the priority of IPb is 10 to be that example describes, the concrete numerical priority value of Ipa and Ipb is not limited thereto, and can be that different links is provided with different numerical priority value according to the above-mentioned ratio according to link bandwidth; Numerical value according to link bandwidth is that different links is provided with different numerical priority value; Size according to link bandwidth is that different links is provided with different numerical priority value; According to the strategy of forwarding unit is that different links is provided with different several set-up modes such as numerical priority value and is provided with arbitrarily, does not repeat them here.
Router one stores this numerical priority value in this router one into by the form of using form after the numerical priority value that gets access to link A and link B distribution, and is as shown in table 1.
Table 1
Wherein, this main and standby relation is represented the address of next jumping of current use, promptly when main and standby relation when being main, expression is using the pairing next hop address of this primary relation to transmit business datum, promptly gives the purpose terminal by using Ipa (the transmission route device among the ISP1) to transmit business datum.
Go to the business datum that destination address is IP1 (address of terminal 3) for the 1st from terminal 1 transmission, when sending to router one, next jumping that router one is searched in the routing table is that (the pairing numerical priority value of Ipa this moment is 100 to Ipa, be the highest), router one sends to business datum on the transmission route device among the ISP1, the IPa corresponding priorities is subtracted 1 (the pairing numerical priority value of Ipa becomes 99), and upgrade the above-mentioned form that is stored in the numerical priority value in the router one, as shown in table 2.
Table 2
Go to the business datum that destination address is IP1 for the 2nd from terminal 1 transmission, when sending to router one, router one sends to business datum on the transmission route device among the ISP1, the IPa corresponding priorities is subtracted 1 (the pairing numerical priority value of Ipa becomes 98), and upgrade the above-mentioned form that is stored in the numerical priority value in the router one.
Go to the business datum that destination address is IP1 for the 100th from terminal 1 transmission, when sending to router one, router one sends to business datum on the transmission route device among the ISP1, and the IPa corresponding priorities is subtracted 1, at this moment, the pairing numerical priority value of Ipa becomes 0.
Router subtracts 1 with the number of next jumping, after soon n will subtract 1, n=1〉0, keeping the numerical priority value of Ipa is 0, election contest is main again jumps with next, at this moment, the numerical priority value of Ipa is 0, and the numerical priority value of Ipb is 10, and promptly IPb becomes and main jumps with next, upgrade the above-mentioned form that is stored in the numerical priority value in the router one, as shown in table 3.
Table 3
Go to the business datum that destination address is IP1 for the 101st from terminal 1 transmission, when sending to router one, router one sends to business datum on the transmission route device among the ISP2, the Ipb corresponding priorities is subtracted 1 (the pairing numerical priority value of Ipb becomes 9), and upgrade the above-mentioned form that is stored in the numerical priority value in the router one.
Go to the business datum that destination address is IP1 for the 110th that sends from terminal 1, when sending to router one, router one sends to business datum on the transmission route device among the ISP2, and the Ipb corresponding priorities is subtracted 1, and the pairing numerical priority value of Ipb becomes 0.
Router subtracts 1 with the number of next jumping, after soon n subtracts 1, and n=0, at this moment, recover the numerical priority value of Ipa and the numerical priority value of Ipb, and the election contest master uses next jumping again, at this moment, the numerical priority value of Ipa is 100, the numerical priority value of Ipb is 10, and promptly Ipa becomes the master with next jumping, upgrades the above-mentioned form that is stored in the numerical priority value in the router one, this moment, this form was identical with table 1, did not repeat them here.
When receiving the business datum of self terminal 1,, do not repeat them here continuing above-mentioned operating process.
Among the present invention, when current master can not arrive with next jumping, router one can be reselected the master and jump with next, for example, when link A broke down, it was main with next jumping that router one can also be selected link A, promptly by the transmission route device among the ISP2 business datum is sent to the purpose terminal.
Wherein, the inventive method can be adjusted each sequence of steps according to actual needs.
The system of a kind of sharing business load that the present invention also proposes comprises source terminal, forwarding unit and purpose terminal, wherein:
Source terminal is used for sending business datum to forwarding unit.
Forwarding unit, electrically connect with source terminal, be used for obtaining two-way next-hop address information at least according to the destination address information that business datum is carried, bandwidth information according to link is being obtained the active link address in the two-way next hop address at least, and will send to the purpose terminal from the business datum of source terminal by the active link address.
Wherein, when the two-way next hop address was the two-way next hop address at least, forwarding unit also was used for: after will sending to the purpose terminal from the business datum of source terminal by the active link address,
The pairing precedence information in active link address is handled the first default numerical value;
When the pairing precedence information in active link address reaches preset first threshold, selecting another next hop address in the two-way next hop address is next active link address, and will send to the purpose terminal from the business datum of source terminal by the address of next active link;
The active link address is returned to the pairing precedence information in active link address.
Wherein, this forwarding unit also is used for:
To send to from the business datum of source terminal after the purpose terminal by the active link address, also comprise:
The pairing precedence information in active link address is handled default second value;
When the pairing precedence information in active link address reaches the preset second threshold value, the third value that the information processing of next hop address is default;
Whether the information of judging next hop address is greater than the 3rd default threshold value, if, the next hop address of reselecting the precedence information optimum is the address of next active link, and will send to the purpose terminal from the business datum of source terminal by the address of next active link;
Otherwise, recover the pairing precedence information of two-way next hop address at least, and the next hop address of reselecting the precedence information optimum is the active link address.
The purpose terminal electrically connects with forwarding unit, is used to receive the business datum from forwarding unit.
The invention allows for a kind of equipment of sharing business load, this equipment is the forwarding unit in the local area network (LAN), includes but not limited to the router in the local area network (LAN), and as shown in Figure 4, this forwarding unit comprises:
Wherein, this second acquisition module 42 comprises:
Determine submodule 421, be used for bandwidth information, determine the pairing precedence information of two-way next hop address at least according to link.
Wherein, determine that submodule 421 also is used for: when the bandwidth information of link changes, bandwidth information according to changing redefines the pairing precedence information of two-way next hop address at least, and upgrades the pairing precedence information of storing in the forwarding unit of the next hop address of two-way at least.
Sub module stored 422 electrically connects with definite submodule 421, is used to store the pairing precedence information of the next hop address of two-way at least of determining that submodule 421 is determined.
Sending module 43 electrically connects with second acquisition module 42, and the active link address that is used for obtaining by second acquisition module 42 will send to the purpose terminal from the business datum of source terminal.
Wherein, this sending module 43 specifically is used for:
When the address information of the purpose terminal of carrying in the business datum has record in forwarding unit, business datum is sent to the purpose terminal by the active link address; Or
When the address information of the purpose terminal of carrying in the business datum did not write down in forwarding unit, the mode by active link address and default route sent to the purpose terminal with business datum.
Wherein, this processing module 44 also is used for sending module 43 will send to the purpose terminal by the active link address from the business datum of source terminal after, and the pairing precedence information in active link address is handled default second value;
When the pairing precedence information in active link address reaches the preset second threshold value, the third value that processing module is default with the information processing of next hop address.
Recover module 46, electrically connect, be used for when selecting module 45 to select another next hop address to be next active link address, the active link address being returned to the pairing precedence information in active link address with selecting module 45.
Otherwise, recover the pairing precedence information of two-way next hop address at least, and the next hop address of reselecting the precedence information optimum is the active link address.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are with so that a computer equipment (can be personal computer, server, perhaps network equipment etc.) is carried out method of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (13)
1, a kind of method of sharing business load is applied to comprise in the system of source terminal, forwarding unit, purpose terminal, it is characterized in that, said method comprising the steps of:
Described forwarding unit obtains two-way next-hop address information at least according to the destination address information of carrying in the business datum from described source terminal;
Described forwarding unit obtains the active link address according to the bandwidth information of link in the described next hop address of two-way at least;
Described forwarding unit will send to described purpose terminal from the business datum of described source terminal by described active link address.
2, the method for claim 1 is characterized in that, described forwarding unit obtains the active link address according to the bandwidth information of link and comprises in the described next hop address of two-way at least:
Described forwarding unit is determined the pairing precedence information of the described next hop address of two-way at least according to the bandwidth information of link;
The pairing precedence information of the described forwarding unit described next hop address of two-way at least of storage;
It is described active link address that described forwarding unit is selected the next hop address of described precedence information optimum.
3, method as claimed in claim 2, it is characterized in that, when the described next hop address of two-way at least is the two-way next hop address, described forwarding unit will send to from the business datum of described source terminal after the described purpose terminal by described active link address, also comprise:
Described forwarding unit is handled the first default numerical value with the pairing precedence information in described active link address;
When the pairing precedence information in described active link address reaches preset first threshold, it is next active link address that described forwarding unit is selected another next hop address in the described two-way next hop address, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Described forwarding unit returns to the pairing precedence information in described active link address with described active link address.
4, method as claimed in claim 2 is characterized in that, described forwarding unit will send to from the business datum of described source terminal after the described purpose terminal by described active link address, also comprise:
Described forwarding unit is handled default second value with the pairing precedence information in described active link address;
When the pairing precedence information in described active link address reaches the preset second threshold value, the third value that described forwarding unit is default with the information processing of next hop address;
Whether the information of judging described next hop address is greater than the 3rd default threshold value, if, the next hop address that described forwarding unit is reselected the precedence information optimum is the address of next active link, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Otherwise described forwarding unit recovers the pairing precedence information of the described next hop address of two-way at least, and the next hop address of reselecting described precedence information optimum is the active link address.
As claim 3 or 4 described methods, it is characterized in that 5, when the bandwidth information of described link changed, described method also comprised:
Described forwarding unit redefines the pairing precedence information of the described next hop address of two-way at least according to the bandwidth information of described variation, and upgrades the pairing precedence information of storing in the described forwarding unit of the described next hop address of two-way at least.
6, the method for claim 1 is characterized in that, described forwarding unit will send to described purpose terminal from the business datum of described source terminal by described active link address and comprise:
When the address information of the described purpose terminal of carrying in the described business datum had record in described forwarding unit, described forwarding unit sent to described purpose terminal by described active link address with described business datum; Or
When the address information of the described purpose terminal of carrying in the described business datum did not write down in described forwarding unit, described forwarding unit sent to described purpose terminal by the mode of described active link address and default route with described business datum.
7, a kind of system of sharing business load is characterized in that, comprises source terminal, forwarding unit and purpose terminal, wherein:
Described source terminal is used for sending business datum to described forwarding unit;
Described forwarding unit, electrically connect with described source terminal, be used for obtaining two-way next-hop address information at least according to the destination address information that described business datum is carried, bandwidth information according to link is obtained the active link address in the described next hop address of two-way at least, and will send to described purpose terminal from the business datum of described source terminal by described active link address;
Described purpose terminal electrically connects with described forwarding unit, is used to receive the business datum from described forwarding unit.
8, a kind of equipment of sharing business load is characterized in that, comprising:
First acquisition module is used for obtaining two-way next-hop address information at least according to the destination address information of carrying from the business datum of described source terminal;
Second acquisition module electrically connects with described first acquisition module, is used for obtaining the active link address according to the bandwidth information of link in the next hop address of two-way at least that described first acquisition module obtains;
Sending module electrically connects with described second acquisition module, and the active link address that is used for obtaining by described second acquisition module will send to described purpose terminal from the business datum of described source terminal.
9, equipment as claimed in claim 8 is characterized in that, described second acquisition module comprises:
Determine submodule, be used for bandwidth information, determine the pairing precedence information of the described next hop address of two-way at least according to link;
Sub module stored electrically connects with described definite submodule, is used to store the pairing precedence information of the next hop address of two-way at least that described definite submodule is determined;
The chooser module electrically connects with described sub module stored, and being used for selecting the next hop address of the described precedence information optimum that described sub module stored stores is described active link address.
10, equipment as claimed in claim 9 is characterized in that, also comprises:
Processing module, be used for when the described next hop address of two-way at least is the two-way next hop address, described sending module will send to described purpose terminal by described active link address from the business datum of described source terminal after, the pairing precedence information in described active link address is handled the first default numerical value;
Select module, electrically connect with described processing module, be used for when the pairing precedence information in active link address after the described processing module processing reaches preset first threshold, selecting another next hop address in the described two-way next hop address is next active link address, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Recover module, electrically connect, be used for when described selection module selects another next hop address to be next active link address, described active link address being returned to the pairing precedence information in described active link address with described selection module.
11, equipment as claimed in claim 9 is characterized in that,
Processing module is used for described sending module will send to described purpose terminal by described active link address from the business datum of described source terminal after, and the pairing precedence information in described active link address is handled default second value;
When the pairing precedence information in described active link address reaches the preset second threshold value, the third value that described processing module is default with the information processing of next hop address;
Described equipment also comprises:
Judge module, be used to judge that whether the information of described next hop address is greater than the 3rd default threshold value, if, the next hop address of reselecting the precedence information optimum is the address of next active link, and will send to described purpose terminal from the business datum of described source terminal by the address of described next active link;
Otherwise, recover the pairing precedence information of the described next hop address of two-way at least, and the next hop address of reselecting described precedence information optimum is the active link address.
12, as claim 10 or 11 described equipment, it is characterized in that,
Described definite submodule also is used for: when the bandwidth information of described link changes, bandwidth information according to described variation, redefine the pairing precedence information of the described next hop address of two-way at least, and upgrade the pairing precedence information of storing in the described forwarding unit of the described next hop address of two-way at least.
13, equipment as claimed in claim 8 is characterized in that,
Described sending module specifically is used for: when the address information of the described purpose terminal of carrying when described business datum has record in forwarding unit, by described active link address described business datum is sent to described purpose terminal; Or
When the address information of the described purpose terminal of carrying in the described business datum did not write down in described forwarding unit, the mode by described active link address and default route sent to described purpose terminal with described business datum.
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| CN2009101314791A CN101510854B (en) | 2009-03-31 | 2009-03-31 | Method, system and equipment for sharing business load |
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| CN2009101314791A CN101510854B (en) | 2009-03-31 | 2009-03-31 | Method, system and equipment for sharing business load |
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| CN102413062A (en) * | 2012-01-05 | 2012-04-11 | 杭州华三通信技术有限公司 | Route selecting method and route equipment |
| CN101741736B (en) * | 2009-12-09 | 2012-07-18 | 中兴通讯股份有限公司 | Method and system for determining switchable route in process of sending message |
| CN103595967A (en) * | 2013-11-20 | 2014-02-19 | 浙江宇视科技有限公司 | Monitoring method and device suitable for access of multiple operator client sides |
| CN103685021A (en) * | 2014-01-02 | 2014-03-26 | 网神信息技术（北京）股份有限公司 | Data transmission method and device |
| CN104967655A (en) * | 2015-04-30 | 2015-10-07 | 百度在线网络技术（北京）有限公司 | Method used for information transmission and device used for information transmission |
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| CN100499533C (en) * | 2003-09-27 | 2009-06-10 | 华为技术有限公司 | Route selecting method based on strategy |
| CN100542126C (en) * | 2004-10-21 | 2009-09-16 | 华为技术有限公司 | A kind of system of selection of optimum route |
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| CN103685021B (en) * | 2014-01-02 | 2019-03-19 | 网神信息技术（北京）股份有限公司 | Data transmission method and device |
| CN103685021A (en) * | 2014-01-02 | 2014-03-26 | 网神信息技术（北京）股份有限公司 | Data transmission method and device |
| CN105306366A (en) * | 2014-05-29 | 2016-02-03 | 中国移动通信集团公司 | Data routing method and device |
| CN105306366B (en) * | 2014-05-29 | 2019-07-05 | 中国移动通信集团公司 | Data routing method and device |
| CN104967655A (en) * | 2015-04-30 | 2015-10-07 | 百度在线网络技术（北京）有限公司 | Method used for information transmission and device used for information transmission |
| CN104967655B (en) * | 2015-04-30 | 2019-05-07 | 百度在线网络技术（北京）有限公司 | Method and apparatus for information transmission |
| CN109194575A (en) * | 2018-08-23 | 2019-01-11 | 新华三技术有限公司 | Route selection method and device |
| CN110401596A (en) * | 2019-09-10 | 2019-11-01 | 迈普通信技术股份有限公司 | Message transmitting method, device, electronic equipment and readable storage medium storing program for executing |
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| US11876680B2 (en) | 2020-02-07 | 2024-01-16 | Huawei Technologies Co., Ltd. | Method and apparatus for determining link for forwarding service flow |
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