CN102577280B - Method, apparatus and system for sending message - Google Patents
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- CN102577280B CN102577280B CN201180002491.8A CN201180002491A CN102577280B CN 102577280 B CN102577280 B CN 102577280B CN 201180002491 A CN201180002491 A CN 201180002491A CN 102577280 B CN102577280 B CN 102577280B
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- 238000013507 mapping Methods 0.000 claims abstract description 58
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- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000004220 aggregation Methods 0.000 description 17
- 230000002776 aggregation Effects 0.000 description 17
- 238000005303 weighing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
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- 238000005457 optimization Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
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Abstract
The present invention discloses a method, an apparatus and a system for sending a message, belonging to the field of network transmission. The method comprises: receiving a message and acquiring a message keyword used to identify the message from the message; acquiring a message eigenvalue corresponding with the message keyword; acquiring an egress port from a port mapping relationship list according to the message eigenvalue, wherein the port mapping relationship list include the mapping relationship between the range of the message eigenvalue and the egress port; sending the message via the acquired egress port. The apparatus includes a receiving module, a message keyword acquiring module, an eigenvalue acquiring module, a egress port acquiring module and a sending module. With the method, the apparatus and the system for sending a message, the phenomenon of imbalance flow caused by acquiring an egress port based on port numbers and message eigenvalues in the prior art can be prevented, a bandwidth utilization rate of an aggregate group is improved, and the consistency among egress ports is ensured.
Description
Technical field
The present invention relates to Internet Transmission field, particularly a kind of methods, devices and systems that send message.
Background technology
Link aggregation is by multiple physical link (Ru electricity Kou, light mouth etc.) to be used as unity logic and to connect the technology of processing, it allows between two interchangers to transmit data so that higher bandwidth, larger throughput and the technology of restorability to be provided by multiple link parallel joins simultaneously.A link aggregation may comprise multiple physical links, can relate to the egress selection problem of multiple links in the time that message exports as link aggregation.
General employing HASH method is set up message set of keywords and is incorporated into the mapping relations between HASH index value at present, and according to HASH index value and port number delivery, obtain final physics outbound port, be mapped to thereby realized same stream the system of selection of fixing outbound port.Message keyword generally has SMAC (Source Media Access Control, source MAC), DMAC (Destination Media Access Control, object MAC), VLAN (Virtual Local Area Network, VLAN), DIP (Destination IP, object IP) or SIP (Source IP, source IP) etc., HASH algorithm generally has CRC16, CRC32 etc., suppose that polymerization has 8 member ports, input MAC=0x1122334455, the message of VLAN=10, choosing message keyword is MAC, VLAN, its HASH index value (utilizing CRC32 algorithm to obtain) is 0x1fe, be 6 to index value by port number delivery (0x1fe%8=6), just the 6th member port output from aggregation group of corresponding message.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
In the time that the value after multiple different HASH index values (as 0x1fe, 0x456) delivery is identical, its corresponding outbound port is exactly identical, this means that different message flows can choose same outbound port simultaneously, in some flow situation, can cause the mass flow discrepancy weighing apparatus between port, thereby can not make full use of the effective bandwidth of aggregation group, and in the time that the presence of the member port in aggregation group changes, the value difference after the message delivery of same flow may be caused, the egress selection consistency of stream can not be guaranteed.
Summary of the invention
For the flow between balanced port, make full use of the effective bandwidth of aggregation group, the embodiment of the present invention provides a kind of methods, devices and systems that send message.Described technical scheme is as follows:
Send a method for message, described method comprises:
Receive message, from described message, obtain the message keyword for identifying described message;
Obtain the message characteristic value that described message keyword is corresponding;
According to described message characteristic value, from port mapping relation list, obtain outbound port, described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port;
Send described message by the described outbound port obtaining.
A device that sends message, comprising:
Receiver module, for receiving message;
Message keyword acquisition module, for obtaining the message keyword for identifying described message from the message receiving;
Characteristic value acquisition module, for obtaining the message characteristic value that described message keyword is corresponding;
Outbound port acquisition module for according to described message characteristic value, obtains outbound port from port mapping relation list, and described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port;
Sending module, for sending described message by the described outbound port obtaining.
A kind of transmitting system, comprises first network equipment and second network equipment, wherein,
Described first network equipment, for sending message to described second network equipment;
Described second network equipment, for obtain the message keyword of the described message of mark from described message, obtains the message characteristic value that described message keyword is corresponding; According to described message characteristic value, from port mapping relation list, obtain outbound port, send described message by the described outbound port obtaining;
Wherein, described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By according to message characteristic value, from the port mapping relation list setting in advance, obtain outbound port, avoid in prior art the phenomenon of the mass flow discrepancy weighing apparatus there will be when obtaining outbound port according to port number and message characteristic value, improve the bandwidth availability ratio of aggregation group, message characteristic value corresponding to each stream, each message characteristic value and port are also the mapping relations one to one of determining, as long as port corresponding to this message characteristic value is online, can guarantee that corresponding stream is always from this port output, can be because of the UP of other ports in aggregation group or DOWN and influenced, thereby guarantee the consistency of outbound port.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of a kind of method that sends message that the embodiment of the present invention provides;
Fig. 2 is the flow chart of a kind of method that sends message that the embodiment of the present invention provides;
Fig. 3 is the structural representation of a kind of device that sends message that the embodiment of the present invention provides;
Fig. 4 is the structural representation of a kind of device that sends message that the embodiment of the present invention provides;
Fig. 5 is the structural representation of a kind of transmitting system of providing of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 is the flow chart of a kind of method that sends message that the embodiment of the present invention provides.Referring to Fig. 1, the method comprises:
101, receive message, from described message, obtain the message keyword for identifying described message;
Wherein, message keyword generally comprises media access control address source, source MAC, at least one in object media access control address object MAC, source IP address, object IP address, VLAN ID VLAN., in the present embodiment, only take message keyword as source MAC and VLAN describe as example.
102, obtain the message characteristic value that described message keyword is corresponding;
This message characteristic value can be that HASH algorithm generally has CRC16, CRC32 etc. according to the HASH index value of message keyword and the acquisition of HASH algorithm.
103, according to described message characteristic value, from port mapping relation list, obtain outbound port, described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port;
In the present embodiment, this port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port, the division of this message characteristic value scope can be to preset granularity division as several message characteristic value scopes by HASH value, for example, HASH value is 16bit, take 32 as granularities, are divided into 2048 message characteristic value scopes by HASH value.
104, send described message by the described outbound port obtaining.
The method that the present embodiment provides, by according to message characteristic value, from the port mapping relation list setting in advance, obtain outbound port, avoid in prior art the phenomenon of the mass flow discrepancy weighing apparatus there will be when obtaining outbound port according to port number and message characteristic value, improve the bandwidth availability ratio of aggregation group, message characteristic value corresponding to each stream, each message characteristic value and port are also the mapping relations one to one of determining, as long as port corresponding to this message characteristic value is online, can guarantee that corresponding stream is always from this port output, can be because of the UP of other ports in aggregation group or DOWN and influenced, thereby guarantee the consistency of outbound port.
Fig. 2 is the flow chart of a kind of method that sends message that the embodiment of the present invention provides.Referring to Fig. 2, this embodiment is take executive agent as switch device or transmitting apparatus, the present embodiment is only take executive agent as switch device, and the polymerization number of members of this switch device is that 8 ports and HASH index value are that 16bit is that example describes, and this embodiment comprises:
201, receive message;
In the present embodiment, take executive agent as switch device as example describes, on switch device, this message can make the equipment being forwarded by switch device.
202, adopt Hash HASH algorithm to calculate message keyword source MAC and VLAN, using the HASH index value calculating as corresponding message characteristic value;
In the present embodiment, only describe as an example of HASH algorithm example, HASH index value in step 202 is message characteristic value, obtain the method for HASH index value and prior art in like manner, for example, the aggregation group of this switching equipment has 8 member ports, the MAC=0x1122334455 of message, VLAN=10, choosing message keyword is MAC, VLAN, utilizing CRC32 algorithm to obtain its HASH index value is 0x1fe.
203, according to the message characteristic value obtaining, from port mapping relation list, search the interval range under message characteristic value, obtain the port that described interval range is corresponding, using the port of described correspondence as outbound port;
In the present embodiment, described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port, for example, HASH value is 16bit, take 32 as granularities of scale, and the message characteristic value scope one in port mapping relation list has 2048 intervals, be 0～31,32～63 ..., 65504～65535.The mapping relations of message characteristic value scope and outbound port can be as following table 1.
Table 1
| Message characteristic value scope | Port numbers | Message characteristic value scope | Port numbers |
| 0～31 | 0 | 256～287 | 0 |
| 32～63 | 1 | 288～319 | 1 |
| 64～95 | 2 | 320～351 | 2 |
| 96～127 | 3 | 352～383 | 3 |
| 128～159 | 4 | 384～415 | 4 |
| 160～191 | 5 | 416～447 | 5 |
| 192～223 | 6 | 448～579 | 6 |
| 224～255 | 7 | 480～511 | 7 |
The table 1 that the present embodiment provides is only a part for attainable port mapping relation list, and shown in table 1, the corresponding relation of scope can circulate for outbound port 0 to outbound port 7 in addition.
Mapping relations in this table 1 are only the one of the attainable mapping relations of the present embodiment, these mapping relations are arranged or adjust according to the port number of switch device by technical staff, its concrete projected forms also can have multiple variation, for example, load for fear of a certain port is excessive, can, according to discharge model, the port corresponding relation in port mapping relation table be carried out to adaptive optimization, as adopt port inverted order arrangement etc., thereby realize the load balancing of port flow
By 2048 intervals of segmentation in table 1, the HASH value of practical business message can be accomplished the distribution of approximate equalization in 2048 intervals, then by the port mapping to each interval range, can be the part between 2048 intervals is unbalanced before, by certain one-step optimization that is combined into, realize these those length that disappear between port flow, thereby it is balanced preferably to reach port, realizes the flow equalization of each outbound port.
For fear of in the time that certain outbound port is not online, the flow of this port all points to same port, and this port mapping relation list can also be following table 2.
Table 2
| Message characteristic value scope | Port numbers | Message characteristic value scope | Port numbers |
| 0～31 | 0 | 256～287 | 7 |
| 32～63 | 1 | 288～319 | 6 |
| 64～95 | 2 | 320～351 | 5 |
| 96～127 | 3 | 352～383 | 4 |
| 128～159 | 4 | 384～415 | 3 |
| 160～191 | 5 | 416～447 | 2 |
| 192～223 | 6 | 448～579 | 1 |
| 224～255 | 7 | 480～511 | 0 |
The table 2 that the present embodiment provides is only a part for attainable port mapping relation list, and shown in table 2, the corresponding relation of scope can circulate for outbound port 0 to outbound port 7 in addition.
204, judge that whether this outbound port is online;
If so, execution step 206;
If not, execution step 205;
In the present embodiment, each member port in aggregation group likely there will be fault, to such an extent as to this outbound port is not online, cause message to send unsuccessful, whether so therefore need to judge online outbound port, this detailed process judging is prior art, repeats no more.
205, from online port, select one according to preset rules as outbound port;
When process judgement, the outbound port obtaining in determining step 203 is not online, from online port, selects one according to preset rules as outbound port.Wherein, this preset rules can be set in advance by technical staff.For example, this preset rules can, for the elected port of selecting is when online, be obtained at random a port from online port.
206, send message by the outbound port obtaining.
Those skilled in the art can know, this process of transmitting is identical with prior art principle, repeats no more.
The method that the present embodiment provides, by according to message characteristic value, from the port mapping relation list setting in advance, obtain outbound port, avoid in prior art the phenomenon of the mass flow discrepancy weighing apparatus there will be when obtaining outbound port according to port number and message characteristic value, improve the bandwidth availability ratio of aggregation group, message characteristic value corresponding to each stream, each message characteristic value and port are also the mapping relations one to one of determining, as long as port corresponding to this message characteristic value is online, can guarantee that corresponding stream is always from this port output, can be because of the UP of other ports in aggregation group or DOWN and influenced, thereby guarantee the consistency of outbound port.
Fig. 3 is the structural representation of a kind of device that sends message that the embodiment of the present invention provides.Referring to Fig. 3, this device comprises:
Receiver module 301, for receiving message;
Message keyword acquisition module 302, for obtaining the message keyword for identifying described message from the message receiving;
Characteristic value acquisition module 303, for obtaining the message characteristic value that described message keyword is corresponding;
Outbound port acquisition module 304 for according to described message characteristic value, obtains outbound port from port mapping relation list, and described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port;
Sending module 305, for sending described message by the described outbound port obtaining.
Wherein, described outbound port acquisition module 304 is specifically for according to described message characteristic value, from described port mapping relation list, search the interval range under described message characteristic value, obtain the port that described interval range is corresponding, using the port of described correspondence as outbound port.
Wherein, outbound port acquisition module 304 can be CPU (Central Processing Unit, central processing unit) or DSP (Digital Signal Processing digital signal processor) etc.
Referring to Fig. 4, device also comprises:
Judge module 306, whether online for judging described outbound port;
Described outbound port acquisition module 304 also, in the time that described outbound port is not online, is selected one as outbound port from online port according to preset rules.
The device that the present embodiment provides can be switching equipment, as switch, routing device etc., can be also convergence device etc.
The device that the present embodiment provides, by according to message characteristic value, from the port mapping relation list setting in advance, obtain outbound port, avoid in prior art the phenomenon of the mass flow discrepancy weighing apparatus there will be when obtaining outbound port according to port number and message characteristic value, improve the bandwidth availability ratio of aggregation group, message characteristic value corresponding to each stream, each message characteristic value and port are also the mapping relations one to one of determining, as long as port corresponding to this message characteristic value is online, can guarantee that corresponding stream is always from this port output, can be because of the UP of other ports in aggregation group or DOWN and influenced, thereby guarantee the consistency of outbound port.
Fig. 5 is the structural representation of a kind of transmitting system of providing of the embodiment of the present invention.Referring to Fig. 5, this transmitting system comprises:
Described first network equipment 501, for sending message to described second network equipment;
Described second network equipment 502, for obtain the message keyword of the described message of mark from described message, obtains the message characteristic value that described message keyword is corresponding; According to described message characteristic value, from port mapping relation list, obtain outbound port, send described message by the described outbound port obtaining;
Wherein, described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port.
Whether described second network equipment 502 is also online for judging described outbound port, if not online, select one send described message as outbound port according to default rule from online port.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a method that sends message, is characterized in that, described method comprises:
Receive message, from described message, obtain the message keyword for identifying described message;
Obtain the message characteristic value that described message keyword is corresponding;
According to described message characteristic value, from port mapping relation list, obtain outbound port, described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port, described message characteristic value scope is that Hash HASH value is obtained to preset granularity division;
Judge that whether described outbound port is online;
If described outbound port is online, send described message by the described outbound port obtaining;
If when described outbound port is not online, select one according to preset rules as outbound port from online port.
2. method according to claim 1, is characterized in that, described message keyword comprises source media access control address, at least one in object media access control address, source IP address, object IP address, VLAN ID.
3. method according to claim 1 and 2, is characterized in that, described in obtain the message characteristic value that described keyword is corresponding and specifically comprise:
Adopt hash algorithm to calculate described message keyword, the message characteristic value using result of calculation as described correspondence.
4. method according to claim 1, is characterized in that, describedly from port mapping relation list, obtains outbound port according to described message characteristic value, specifically comprises:
According to described message characteristic value, from described port mapping relation list, search the interval range under described message characteristic value, obtain the port that described interval range is corresponding, using the port of described correspondence as outbound port.
5. a device that sends message, is characterized in that, comprising:
Receiver module, for receiving message;
Message keyword acquisition module, for obtaining the message keyword for identifying described message from the message receiving;
Characteristic value acquisition module, for obtaining the message characteristic value that described message keyword is corresponding;
Outbound port acquisition module, be used for according to described message characteristic value, from port mapping relation list, obtain outbound port, described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port, and described message characteristic value scope is that Hash HASH value is obtained to preset granularity division;
Judge module, whether online for judging described outbound port;
Sending module, if online for described outbound port, sends described message by the described outbound port obtaining;
Described outbound port acquisition module also, in the time that described outbound port is not online, is selected one as outbound port from online port according to preset rules.
6. device according to claim 5, is characterized in that, described characteristic value acquisition module calculates described message keyword specifically for employing hash algorithm, the message characteristic value using result of calculation as described correspondence.
7. device according to claim 5, is characterized in that,
Described outbound port acquisition module is specifically for according to described message characteristic value, searches the interval range under described message characteristic value from described port mapping relation list, obtains the port that described interval range is corresponding, using the port of described correspondence as outbound port.
8. a transmitting system, is characterized in that, comprises first network equipment and second network equipment, wherein,
Described first network equipment, for sending message to described second network equipment;
Described second network equipment, for obtain the message keyword of the described message of mark from described message, obtains the message characteristic value that described message keyword is corresponding; According to described message characteristic value, from port mapping relation list, obtain outbound port; Judge that whether described outbound port is online; If described outbound port is online, send described message by the described outbound port obtaining; If when described outbound port is not online, select one according to preset rules as outbound port from online port;
Wherein, described port mapping relation list comprises the mapping relations of message characteristic value scope and outbound port, and described message characteristic value scope is that Hash HASH value is obtained to preset granularity division.
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| PCT/CN2011/083011 WO2013078579A1 (en) | 2011-11-28 | 2011-11-28 | Method, apparatus and system for sending message |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103227751A (en) * | 2013-05-14 | 2013-07-31 | 盛科网络（苏州）有限公司 | Method and device for improving spatial utilization ratio of forwarding table item |
| CN104618266A (en) * | 2015-02-09 | 2015-05-13 | 浪潮集团有限公司 | Method and device for transferring messages among a plurality of ports |
| CN106027409B (en) * | 2016-05-12 | 2019-04-30 | 深圳市恒扬数据股份有限公司 | A kind of switch load equilibrium output method and device |
| CN107528711B (en) * | 2016-06-22 | 2021-08-20 | 华为技术有限公司 | Data transmission method, device and network element |
| CN106209556B (en) * | 2016-06-29 | 2020-01-03 | 新华三技术有限公司 | Method and device for address learning and message transmission |
| CN106254447B (en) * | 2016-07-29 | 2019-10-18 | 北京华为数字技术有限公司 | Load-balancing method, BRAS equipment and SDN controller |
| CN106341336B (en) * | 2016-08-29 | 2019-10-25 | 锐捷网络股份有限公司 | A kind of method and apparatus to be E-Packeted by aggregation port |
| CN106572027A (en) * | 2016-11-10 | 2017-04-19 | 郑州云海信息技术有限公司 | Network data message shunt method and device |
| CN110049144B (en) * | 2018-01-17 | 2023-05-23 | 厦门雅迅网络股份有限公司 | Method and system for acquiring network equipment port through Ethernet |
| CN109286686B (en) * | 2018-11-23 | 2021-05-14 | 盛科网络（苏州）有限公司 | Load balancing method based on polling mechanism |
| CN112422447B (en) * | 2020-11-13 | 2022-04-26 | 新华三技术有限公司合肥分公司 | Method and device for selecting member port |
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| JP4688946B2 (en) * | 2009-06-15 | 2011-05-25 | 富士通株式会社 | Switch and address learning method |
| CN101656677B (en) * | 2009-09-18 | 2011-11-16 | 杭州迪普科技有限公司 | Message diversion processing method and device |
| CN101964749A (en) * | 2010-09-21 | 2011-02-02 | 北京网康科技有限公司 | Message retransmission method and system based on multi-core architecture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1553654A (en) * | 2003-05-26 | 2004-12-08 | 华为技术有限公司 | Method for realizing average flow bearing by bound ports of network processor system |
| CN101051939A (en) * | 2006-06-15 | 2007-10-10 | 华为技术有限公司 | Method and device for realizing network flow load sharing |
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