CN102394825A - Method and device for processing message - Google Patents
Method and device for processing message Download PDFInfo
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- CN102394825A CN102394825A CN201110345967XA CN201110345967A CN102394825A CN 102394825 A CN102394825 A CN 102394825A CN 201110345967X A CN201110345967X A CN 201110345967XA CN 201110345967 A CN201110345967 A CN 201110345967A CN 102394825 A CN102394825 A CN 102394825A
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Abstract
The embodiment of the invention discloses a method and a device for processing a message, through which not only the message forwarding and the study of the message source MAC (Media Access Control) realized are realized, but also the specification of an MAC forwarding table of an access switch is reduced, and both the cost and the realization complexity of the access switch are reduced. When receiving the message, the access switch finds an export corresponding to the message in the MAC forwarding table through an objective MAC address of the message; when the export is absent in the MAC forwarding table of the access switch, the access switch sends the message to a master port of a collection switch through a slave port; and when the export corresponding to the objective MAC address of the message is absent in the MAC forwarding table of the collection switch, the access switch receives the message sent by the collection switch and broadcasts the message in a broadcast domain. The invention is suitable for the communication field.
Description
Technical field
The present invention relates to the communications field, particularly a kind of processing method of message and device.
Background technology
Server virtualization requires data center that big double layer network technology is provided: the online migration of VM (virtual machine, Virtual Machine) can so that business do not interrupt.The online migration of VM requires IP (Internet Protocol, the agreement that interconnects between the network) and the media access control layer MAC Address of VM not to change, and this requires virtual machine is a double layer network in the migration circle of data center.In order to make full use of the resource of physical server, unification provides data center's resource pool, and this double layer network will cover large-scale server.
Usually send through the message between the server of the switch realization network coverage at present.Switch is received a message, at first the message of receiving is carried out source MAC study, generates MAC and transmits, and target MAC (Media Access Control) address through the message frame head and broadcast domain ID search MAC and transmit then.In the time can in MAC transmits, finding corresponding list item, the port of this list item is the message outbound port, E-Packets according to this outbound port.In the time can't in MAC transmits, finding corresponding performance, (a kind of data flow tranmission techniques that switch and bridge use, the data flow that certain interface is received sends from the total interface except that this interface) floods whole message in broadcast domain.Though existing access switch has been realized the study of message forwarding and message source MAC Address; But owing to flooding and study mechanism of access switch; Cause access switch will learn two layers of Servers-all and MAC Address of VM in the territory; The specification that makes the MAC of access switch support transmit is very big, has increased the implementation complexity and the cost of access switch.
Summary of the invention
The embodiment of the invention provides a kind of processing method and device of message, in the study that has realized message forwarding and message source MAC, has reduced the specification that access switch MAC transmits, and has reduced the cost and the implementation complexity of access switch.
The embodiment of the invention provides a kind of processing method of message on the one hand, comprising: access switch receives message;
When access switch is not when attached port Slave Port receives said message, said access switch is searched said message corresponding output port through the purpose medium access control MAC Address of said message in MAC transmits;
When in the MAC of said access switch transmits, not having said target MAC (Media Access Control) address corresponding output port, said access switch is transmitted according to default MAC and is sent to said message on the master port Master Port of convergence switch through attached port Slave Port;
When in the MAC in the said convergence switch transmits, not having the target MAC (Media Access Control) address corresponding output port of said message, said access switch receives the said message that said convergence switch sends through said Slave Port;
Said access switch is broadcasted said message in broadcast domain.
The embodiment of the invention provides a kind of processing unit of message on the other hand, comprising:
First receiver is used to receive message.
Search the unit, be used for when said first receiver be not when attached port Slave Port receives said message, in MAC transmits, search said message corresponding output port through the purpose medium access control MAC Address of said message;
Transmitter is used for transmitting when not having said target MAC (Media Access Control) address corresponding output port as said MAC, transmits according to default MAC to send to said message on the master port Master Port of convergence switch through attached port Slave Port;
Second receiver when being used in the MAC of said convergence switch transmits, not having the target MAC (Media Access Control) address corresponding output port of said message, receives the said message that said convergence switch sends through said Slave Port;
Radio unit is used for the message that said second receiver receives is broadcasted in broadcast domain.
The processing method of the message that the embodiment of the invention provides and device; At first access switch receives message; When access switch is not when attached port Slave Port receives message, said access switch is searched said message corresponding output port through the purpose media access control layer MAC Address of said message in MAC transmits; When said target MAC (Media Access Control) address corresponding output port does not exist in the MAC of said access switch transmits; In the time of promptly can't obtaining the outbound port of said message, said access switch is transmitted according to default MAC and is sent to said message on the master port Master Port of convergence switch through attached port Slave Port; When in the MAC of target MAC (Media Access Control) address corresponding output port in said convergence switch with said message transmits, not existing then, said access switch receives the said message that said convergence switch sends through said Slave Port; Last said access switch is broadcasted said message in broadcast domain.The embodiment of the invention cooperates with the effective of convergence switch through access switch, has reduced the specification that switch MAC transmits, and has reduced the cost and the complexity of access switch.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments 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.
The process flow figure of the message that Fig. 1 provides for the embodiment of the invention one;
The processing unit structural representation of the message that Fig. 2 provides for the embodiment of the invention one;
The process flow figure of the message that Fig. 3 provides for the embodiment of the invention two;
The processing unit structural representation of the message that Fig. 4 provides for the embodiment of the invention two.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
For the advantage that makes technical scheme of the present invention is clearer, the present invention is elaborated below in conjunction with accompanying drawing and embodiment.
Present embodiment provides a kind of processing method of message, and is as shown in Figure 1, and said method comprises:
101, access switch receives message.
102, when said access switch be not when attached port Slave Port receives said message, said access switch is searched said message corresponding output port through the purpose medium access control MAC Address of said message in MAC transmits.
When 103, in the MAC of said access switch transmits, not having said target MAC (Media Access Control) address corresponding output port, said access switch is transmitted according to default MAC said message is sent on the master port Master Port of convergence switch through attached port Slave Port.
Wherein, said default MAC transmits a MAC forwarding-table item into redetermination, and MAC Address can match when searching at said default MAC table arbitrarily.The outbound port that said default MAC transmits is Slave Port.
Particularly, two kinds of new port types of definition switch: Master Port and Slave Port.The port arrangement of access switch first line of a couplet convergence switch is Slave Port, and the port arrangement of convergence switch second line of a couplet access switch is Master Port.
When 104, in the MAC in the said convergence switch transmits, not having the target MAC (Media Access Control) address corresponding output port of said message, said access switch receives the said message that said convergence switch sends through said Slave Port.
When convergence switch was also searched less than the corresponding MAC address entries of the target MAC (Media Access Control) address of said message, said convergence switch can be broadcasted message in broadcast domain.Broadcast said message through Master Port, access switch is for further processing to this message receive the message of convergence switch broadcasting through Slave Port after.
105, said access switch is broadcasted said message in broadcast domain.
Particularly, after access switch is received said message from Slave port, can search the MAC table once more, and when not finding the target MAC (Media Access Control) address corresponding output port of this message, said message broadcasted in broadcast domain.
Message in the present embodiment mainly refers to unicast message, when said access switch judges that the message that receives is broadcasting packet or reservation multicast message, directly this message is broadcasted in broadcast domain.When said access switch judges that the message that receives is non-reservation multicast message; Said access switch can carry out searching of multicast MAC address entries; When said access switch did not find the target MAC (Media Access Control) address corresponding output port of this message, said access switch was broadcasted this message in broadcast domain.。
Convergence switch and access switch are belonged to the situation of same system, belong to a ply-yarn drill of convergence switch like access switch, above technical scheme is suitable equally, and just Slave Port belongs to the port that internal system defines with Master Port.
For a large-scale data center, general 10000～12000 station servers of disposing in the network, at virtual 50 VM of the every station server of immediate plan, virtual 100 VM of the every station server of planning at a specified future date.This MAC address entries that requires switch at least be 500K～1200K (in the recent period: 10000 station servers/cluster * 50VM/ server=500K, long term: 12000 station servers/cluster * 100VM/ server=1200K).And the embodiment of the invention since through access switch with effective cooperation of convergence switch realize message forwarding; And the MAC address entries of convergence switch has comprised the MAC Address of network side Servers-all; Promptly comprised in the network in 10000～12000 station servers of all deployment; The MAC Address of the Servers-all except the server (user side server) that inserts through the access switch downlink port, so the MAC address entries of access switch only need comprise the MAC Address of the server that inserts through the access switch downlink port.Even 48 whole access servers of downlink port of access switch, and virtual 100 VM of every station server, access switch also only needs 4.8K MAC Address list item, well below 500K～1200K.
Present embodiment provides a kind of processing unit of message, and is as shown in Figure 2, and said device comprises: first receiver 21, search unit 22, transmitter 23, second receiver 24 and radio unit 25.
Wherein, said default MAC transmits a MAC forwarding-table item into redetermination, and MAC Address can match when searching at said default MAC table arbitrarily.The outbound port that said default MAC transmits is Slave Port.
Particularly, two kinds of new port types of definition switch: Master Port and Slave Port.The port arrangement of access switch first line of a couplet convergence switch is Slave Port, and the port arrangement of convergence switch second line of a couplet access switch is Master Port.
When convergence switch was also searched less than the corresponding MAC address entries of the target MAC (Media Access Control) address of said message, said convergence switch can be broadcasted message in broadcast domain.Broadcast said message through Master Port, second receiver 24 is for further processing to this message receive the message of convergence switch broadcasting through Slave Port after.
Particularly; Second receiver 24 is received message from Slave port; The meeting triggering is searched unit 22 and is searched the MAC table once more, and this searches unit 22 when not finding the target MAC (Media Access Control) address corresponding output port of this message, triggers said radio unit 25 said message is broadcasted in broadcast domain.
Message in the present embodiment mainly refers to unicast message, and when said first receiver 21 judged that the message that receives is broadcasting packet or reservation multicast message, said radio unit 25 was directly broadcasted this message in broadcast domain.When said first receiver 21 judges that the message that receives is non-reservation multicast message; The said unit 22 of searching can carry out searching of multicast MAC address entries; When searching unit 22 and not finding the target MAC (Media Access Control) address corresponding output port of this message, said radio unit 25 is broadcasted this message in broadcast domain when said.Convergence switch and access switch are belonged to the situation of same system, belong to a ply-yarn drill of convergence switch like access switch, above technical scheme is suitable equally, and just Slave Port belongs to the port that internal system defines with Master Port.
For a large-scale data center, general 10000～12000 station servers of disposing in the network, at virtual 50 VM of the every station server of immediate plan, virtual 100 VM of the every station server of planning at a specified future date.This MAC address entries that requires switch at least be 500K～1200K (in the recent period: 10000 station servers/cluster * 50VM/ server=500K, long term: 12000 station servers/cluster * 100VM/ server=1200K).And the embodiment of the invention since through access switch with effective cooperation of convergence switch realize message forwarding; And the MAC address entries of convergence switch has comprised the MAC Address of network side Servers-all; Promptly comprised in the network in 10000～12000 station servers of all deployment; The MAC Address of the Servers-all except the server (user side server) that inserts through the access switch downlink port, so the MAC address entries of access switch only need comprise the MAC Address of the server that inserts through the access switch downlink port.Even 48 whole access servers of downlink port of access switch, and virtual 100 VM of every station server, access switch also only needs 4.8K MAC Address list item, well below 500K～1200K.
The embodiment of the invention cooperates with the effective of convergence switch through access switch, has reduced the specification that switch MAC transmits, and has reduced the cost and the complexity of access switch.
On the basis of method shown in Figure 1, the processing method of the another kind of message that present embodiment provides is as shown in Figure 3, and said method comprises:
201, access switch receives message.
202a, when said access switch does not receive message through lave Port; Said access switch carries out mac learning through the source MAC and the broadcast domain sign ID of said message, and the result of study is added in the MAC forwarding-table item of said access switch.
203a, said access switch are searched said message corresponding output port through the purpose media access control layer MAC Address of said message in MAC transmits.
204a1, when in the MAC of said access switch transmits, not having said target MAC (Media Access Control) address corresponding output port, said access switch is transmitted according to default MAC said message is sent on the master port Master Port of convergence switch through attached port Slave Port.
Particularly, two kinds of new port types of definition switch: Master Port and Slave Port.The port arrangement of access switch first line of a couplet convergence switch is Slave Port, and the port arrangement of convergence switch second line of a couplet access switch is Master Port.
204a2, when in the MAC of said access switch transmits, having said target MAC (Media Access Control) address corresponding output port, the said outbound port during said access switch is transmitted according to MAC is transmitted said message.
205a1, when in the MAC in the said convergence switch transmits, not having the target MAC (Media Access Control) address corresponding output port of said message, said access switch receives the said message that said convergence switch sends through said Slave Port.
When convergence switch was also searched less than the corresponding MAC address entries of the target MAC (Media Access Control) address of said message, said convergence switch can be broadcasted message in broadcast domain.Broadcast said message through Master Port, access switch is for further processing to this message receive the message of convergence switch broadcasting through Slave Port after.
205a2, when in the MAC in the said convergence switch transmits, having the target MAC (Media Access Control) address corresponding output port of said message, the said outbound port during said convergence switch is transmitted according to MAC is transmitted said message.
206a, said access switch are broadcasted said message in broadcast domain.
Particularly, access switch is received message from Slave port, also can search the MAC table once more, but when not finding, said message broadcasted in broadcast domain.
202b, when said access switch receives message through said Slave Port, said access switch is not learnt the source MAC of said message.
203b, said access switch are searched said message corresponding output port through the purpose media access control layer MAC Address of said message in MAC transmits.
204b1, when in the MAC of said access switch transmits, having said target MAC (Media Access Control) address corresponding output port, the said outbound port during said access switch is transmitted according to MAC is transmitted said message.
204b2, when in the MAC of said access switch transmits, not having said target MAC (Media Access Control) address corresponding output port, said access switch is broadcasted said message in broadcast domain.
Message in the present embodiment mainly refers to unicast message; When said access switch judges that the message that receives is broadcasting packet or reservation multicast message; Directly this message is broadcasted in broadcast domain, said access switch does not carry out the source mac learning to broadcasting packet or the reservation multicast message that receives from Slave port.When said access switch judges that the message that receives is non-reservation multicast message; Said access switch can carry out searching of multicast MAC address entries; When said access switch did not find the target MAC (Media Access Control) address corresponding output port of this message, said access switch was broadcasted this message in broadcast domain.Said access switch does not carry out the source mac learning to the non-reservation multicast message that receives from Slave port.
Convergence switch and access switch are belonged to the situation of same system, belong to a ply-yarn drill of convergence switch like access switch, above technical scheme is suitable equally, and just Slave Port belongs to the port that internal system defines with Master Port.
For a large-scale data center, general 10000～12000 station servers of disposing in the network, at virtual 50 VM of the every station server of immediate plan, virtual 100 VM of the every station server of planning at a specified future date.This MAC address entries that requires switch at least be 500K～1200K (in the recent period: 10000 station servers/cluster * 50VM/ server=500K, long term: 12000 station servers/cluster * 100VM/ server=1200K).And the embodiment of the invention since through access switch with effective cooperation of convergence switch realize message forwarding; And the MAC address entries of convergence switch has comprised the MAC Address of network side Servers-all; Promptly comprised in the network in 10000～12000 station servers of all deployment; The MAC Address of the Servers-all except the server (user side server) that inserts through the access switch downlink port, so the MAC address entries of access switch only need comprise the MAC Address of the server that inserts through the access switch downlink port.Even 48 whole access servers of downlink port of access switch, and virtual 100 VM of every station server, access switch also only needs 4.8K MAC Address list item, well below 500K～1200K.
Present embodiment provides a kind of processing unit of message; As shown in Figure 4; Said device comprises: first receiver 41, search unit 42, transmitter 43, second receiver 44, radio unit 45, first processing unit 46, second processing unit 47, retransmission unit 48.
Particularly, two kinds of new port types of definition switch: Master Port and Slave Port.The port arrangement of access switch first line of a couplet convergence switch is Slave Port, and the port arrangement of convergence switch second line of a couplet access switch is Master Port.
When convergence switch was also searched less than the corresponding MAC address entries of the target MAC (Media Access Control) address of said message, said convergence switch can be broadcasted message in broadcast domain.Broadcast said message through Master Port, second receiver 24 is for further processing to this message receive the message of convergence switch broadcasting through Slave Port after.
Particularly; Second receiver 44 is received message from Slave port; The meeting triggering is searched unit 42 and is searched the MAC table once more, and this searches unit 42 when not finding the target MAC (Media Access Control) address corresponding output port of this message, triggers said radio unit 45 said message is broadcasted in broadcast domain.
First processing unit 46 is used for when said first receiver 41 receives message through said Slave Port, not learning the source MAC of said message.
Message in the present embodiment mainly refers to unicast message, and when said first receiver 21 judged that the message that receives is broadcasting packet or reservation multicast message, said radio unit 25 was directly broadcasted this message in broadcast domain.When said first receiver 21 judges that the message that receives is non-reservation multicast message; The said unit 22 of searching can carry out searching of multicast MAC address entries; When searching unit 22 and not finding the target MAC (Media Access Control) address corresponding output port of this message, said radio unit 25 is broadcasted this message in broadcast domain when said.
Convergence switch and access switch are belonged to the situation of same system, belong to a ply-yarn drill of convergence switch like access switch, above technical scheme is suitable equally, and just Slave Port belongs to the port that internal system defines with Master Port.
For a large-scale data center, general 10000～12000 station servers of disposing in the network, at virtual 50 VM of the every station server of immediate plan, virtual 100 VM of the every station server of planning at a specified future date.This MAC address entries that requires switch at least be 500K～1200K (in the recent period: 10000 station servers/cluster * 50VM/ server=500K, long term: 12000 station servers/cluster * 100VM/ server=1200K).And the embodiment of the invention since through access switch with effective cooperation of convergence switch realize message forwarding; And the MAC address entries of convergence switch has comprised the MAC Address of network side Servers-all; Promptly comprised in the network in 10000～12000 station servers of all deployment; The MAC Address of the Servers-all except the server (user side server) that inserts through the access switch downlink port, so the MAC address entries of access switch only need comprise the MAC Address of the server that inserts through the access switch downlink port.Even 48 whole access servers of downlink port of access switch, and virtual 100 VM of every station server, access switch also only needs 4.8K MAC Address list item, well below 500K～1200K.
The embodiment of the invention cooperates with the effective of convergence switch through access switch, has reduced the specification that switch MAC transmits, and has reduced the cost and the complexity of access switch.
The processing unit of the message that the embodiment of the invention provides can be realized the above-mentioned method embodiment that provides, and concrete function is realized seeing also the explanation among the method embodiment, repeats no more at this.The processing method and the device of the message that the embodiment of the invention provides go for the communications field, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (8)
1. the processing method of a message is characterized in that, comprising:
Access switch receives message;
When access switch is not when attached port Slave Port receives said message, said access switch is searched said message corresponding output port through the purpose medium access control MAC Address of said message in MAC transmits;
When in the MAC of said access switch transmits, not having said target MAC (Media Access Control) address corresponding output port, said access switch is transmitted according to default MAC and is sent to said message on the master port Master Port of convergence switch through attached port Slave Port;
When in the MAC in the said convergence switch transmits, not having the target MAC (Media Access Control) address corresponding output port of said message, said access switch receives the said message that said convergence switch sends through said Slave Port;
Said access switch is broadcasted said message in broadcast domain.
2. the processing method of message according to claim 1; It is characterized in that; Said default MAC transmits a MAC forwarding-table item into redetermination, and MAC Address can match when searching at said default MAC table arbitrarily, and the outbound port that said default MAC transmits is Slave Port.
3. the processing method of message according to claim 1 and 2 is characterized in that, also comprises:
When said access switch received message through said Slave Port, said access switch was not learnt the source MAC of said message;
When said access switch does not receive message through said Slave Port; Said access switch carries out mac learning through the source MAC and the broadcast domain sign ID of said message, and the result of study is added in the MAC forwarding-table item of said access switch.
4. according to the processing method of any described message among the claim 1-3, it is characterized in that, also comprise:
When said access switch when said Slave Port receives message, said access switch is searched said message corresponding output port through the purpose media access control layer MAC Address of said message in MAC transmits;
When said target MAC (Media Access Control) address corresponding output port did not exist in the MAC of said access switch transmits, said access switch was broadcasted said message in broadcast domain.
5. according to the processing method of any described message among the claim 1-4, it is characterized in that, also comprise:
When said target MAC (Media Access Control) address corresponding output port existed in the MAC of said access switch transmits or in the MAC of said convergence switch transmits, the said outbound port during said access switch or said convergence switch are transmitted according to MAC was transmitted said message.
6. the processing unit of a message is characterized in that, comprising:
First receiver is used to receive message.
Search the unit, be used for when said first receiver be not when attached port Slave Port receives said message, in MAC transmits, search said message corresponding output port through the purpose medium access control MAC Address of said message;
Transmitter is used for transmitting when not having said target MAC (Media Access Control) address corresponding output port as said MAC, transmits according to default MAC to send to said message on the master port Master Port of convergence switch through attached port Slave Port;
Second receiver when being used in the MAC of said convergence switch transmits, not having the target MAC (Media Access Control) address corresponding output port of said message, receives the said message that said convergence switch sends through said Slave Port;
Radio unit is used for the message that said second receiver receives is broadcasted in broadcast domain.
7. the processing unit of message according to claim 6 is characterized in that, also comprises:
First processing unit is used for when said first receiver receives message through said Slave Port, not learning the source MAC of said message;
Second processing unit is used for when said first receiver does not receive message through said Slave Port, and source MAC and broadcast domain through said message identify ID and carry out mac learning, and the result who obtains is added in the MAC forwarding-table item.
8. the processing unit of message according to claim 6 is characterized in that, also comprises:
Retransmission unit is used for transmitting when existing at said MAC when said target MAC (Media Access Control) address corresponding output port, and the said outbound port in transmitting according to MAC is transmitted said message.
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| CN104640094B (en) * | 2015-02-25 | 2018-07-24 | 深圳酷派技术有限公司 | A kind of cell accessing method, convergence terminal and access terminal |
| CN105049375A (en) * | 2015-08-13 | 2015-11-11 | 浪潮集团有限公司 | Data forwarding method and system based on cloud computing data center |
| CN105227452A (en) * | 2015-09-14 | 2016-01-06 | 中国联合网络通信集团有限公司 | Data frame forwarding method and device |
| CN105227452B (en) * | 2015-09-14 | 2018-09-14 | 中国联合网络通信集团有限公司 | data frame forwarding method and device |
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| CN102394825B (en) | 2014-11-05 |
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