CN103067280A - Method and device of message processing - Google Patents

Method and device of message processing Download PDF

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Publication number
CN103067280A
CN103067280A CN2012105741078A CN201210574107A CN103067280A CN 103067280 A CN103067280 A CN 103067280A CN 2012105741078 A CN2012105741078 A CN 2012105741078A CN 201210574107 A CN201210574107 A CN 201210574107A CN 103067280 A CN103067280 A CN 103067280A
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CN
China
Prior art keywords
forwarding unit
described
message
according
information
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CN2012105741078A
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Chinese (zh)
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CN103067280B (en
Inventor
董雯霞
倪辉
吴小前
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华为技术有限公司
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Priority to CN201210574107.8A priority Critical patent/CN103067280B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/64Hybrid switching systems
    • H04L12/6418Hybrid transport
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. local area networks [LAN], wide area networks [WAN]
    • H04L12/46Interconnection of networks
    • H04L12/4604LAN interconnection over a backbone network, e.g. Internet, Frame Relay
    • H04L12/462LAN interconnection over a bridge based backbone

Abstract

The invention provides a method and a device of message processing. The method comprises the steps that messages transmitted by a first transmitting device are received; if the messages are determined as unknown messages according to purpose media access control (MAC) addresses in the messages, then whether the first transmitting device is a margin transmitting device can be determined, wherein the margin transmitting device is a transmitting device directly connected with a server; if the first transmitting device is determined as the margin transmitting device, the unknown messages are respectively transmitted to a second transmitting device according to a data base of the margin transmitting device; and the second transmitting device is a margin transmitting device besides the first transmitting device in a network. According to the method and the device of message processing, the unknown messages which are transmitted by a first margin transmitting device are received and only transmitted to another margin transmitting device besides the first transmitting device in a network, so bandwidth between a controller and transmitting devices is shortened, and bandwidth resources are saved.

Description

Message processing method and device

Technical field

The present invention relates to the communication technology, relate in particular to a kind of message processing method and device.

Background technology

At present, control mainly comprises with the network that forwarding separates: open flows (Openflow is called for short OF) network, this network mainly comprises two kind equipments: OF controller and OF switch.Wherein, the OF controller is used for network is carried out centralized control, and issues the stream table for the OF switch, and the OF switch is for according to this stream table the message that receives being mated and transmitting; Wherein, the OF controller is opened to the user.In addition, when the message that receives at this OF switch is unknown unicast message or broadcasting packet, these unknown unicast messages or broadcasting packet are sent to controller, by controller the unknown unicast message or the broadcasting packet that receive are resolved, obtain source medium access control (Medium Access Control, abbreviation MAC) after the address, and the mode that adopts hop-by-hop to flood is processed unknown unicast message or broadcasting packet after resolving, concrete, unknown unicast message after controller will be resolved or broadcasting packet send to all OF switches that link to each other with this controller, are carried out the whole network and are flooded by unknown unicast message or the broadcasting packet of each OF switch after to the parsing that receives respectively again.

But, because controller is the mode that adopts hop-by-hop to flood unknown unicast message or broadcasting packet are processed, thereby the bandwidth of the mass data passage that takies and the bandwidth of control channel have caused the waste of channel resource.

Summary of the invention

The embodiment of the invention provides a kind of message processing method and device, be used for solving the prior art middle controller because the mode that adopts hop-by-hop to flood is processed unknown unicast message or broadcasting packet, and the bandwidth of the mass data passage that takies and the bandwidth problem of control channel.

First aspect present invention provides a kind of message processing method, comprising:

Receive the message that the first forwarding unit sends;

If according to the purpose medium access control MAC Address in the described message, judging described message is unknown message, judge then whether described the first forwarding unit is the edge forwarding unit, wherein, described edge forwarding unit is the forwarding unit that directly is connected with server;

If judging described the first forwarding unit is the edge forwarding unit, then according to the information bank of forwarding unit, described unknown message is sent to respectively the second forwarding unit; Described the second forwarding unit is the edge forwarding unit except described the first forwarding unit in the network.

In the first implementation in conjunction with first aspect, described method also comprises:

Obtain the information of each forwarding unit in the described network, and according to the information of each described forwarding unit, generate the information bank of described forwarding unit; The information of described each forwarding unit includes: the IP address of the id information of forwarding unit and forwarding unit.

In the second implementation in conjunction with the first implementation of first aspect or first aspect, describedly judge that whether described the first forwarding unit is the edge forwarding unit, comprising:

According to the IP address of described the first forwarding unit in the described message, obtain the id information of described the first forwarding unit;

According to described id information, judge whether described the first forwarding unit is the edge forwarding unit.

In the third implementation in conjunction with the second implementation of first aspect, described information bank according to forwarding unit sends respectively the second forwarding unit with described unknown message, comprising:

According to the id information in the information bank of described forwarding unit, determine described the second forwarding unit;

According to id information corresponding to each described the second forwarding unit, described unknown message is sent to respectively described the second forwarding unit.Embodiment of the invention second aspect provides a kind of message process device, comprising:

Receiver module is used for receiving the message that the first forwarding unit sends;

Judge module for the purpose medium access control MAC Address of the described message that receives according to described receiver module, judges whether described message is unknown message; If judging described message is unknown message, judge whether described the first forwarding unit is the edge forwarding unit, wherein, described edge forwarding unit is the forwarding unit that directly is connected with server;

Sending module is the edge forwarding unit if judge described the first forwarding unit for described judge module, then according to the information bank of forwarding unit, described unknown message is sent to respectively the second forwarding unit; Described the second forwarding unit is the edge forwarding unit except described the first forwarding unit in the network.

In the first implementation in conjunction with second aspect, described message process device also comprises:

Acquisition module is for the information of obtaining described each forwarding unit of network;

Generation module for the information of each the described forwarding unit that gets access to according to described acquisition module, generates the information bank of described forwarding unit; The information of described each forwarding unit includes: the id information of forwarding unit.

In the second implementation in conjunction with the first implementation of second aspect or second aspect, described judge module also comprises:

Acquiring unit is used for the IP address according to described first forwarding unit of described message, obtains the id information of described the first forwarding unit;

Judging unit is used for according to described id information, judges whether described the first forwarding unit is the edge forwarding unit.

In the third implementation in conjunction with the second implementation of second aspect, described message process device also comprises:

Determination module is used for the id information according to the information bank of described forwarding unit, determines described the second forwarding unit;

Then described sending module also is used for according to id information corresponding to each described the second forwarding unit, and described unknown message is sent to respectively described the second forwarding unit.

In the embodiment of the invention, behind the message that receives the transmission of the first forwarding unit, if according to the MAC Address in the message, judging message is unknown message, and when this first forwarding unit is the edge forwarding unit, information bank according to forwarding unit, this message is sent to respectively the second forwarding unit, wherein, this second forwarding unit is the edge forwarding unit except the first forwarding unit in the network, thereby solved the prior art middle controller because the mode that adopts hop-by-hop to flood is processed unknown unicast message or broadcasting packet, and the bandwidth of the mass data passage that takies and the bandwidth problem of control channel bandwidth resources have been saved effectively.

Description of drawings

In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 be message processing method of the present invention based on control and transmit the configuration diagram of the network separate;

Fig. 2 is the flow chart of an embodiment of message processing method of the present invention;

Fig. 3 is the structural representation of an embodiment of message process device of the present invention;

Fig. 4 is the structural representation of another embodiment of message process device of the present invention;

Fig. 5 is the structural representation of another embodiment of message process device of the present invention.

Embodiment

For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.

Fig. 1 be message processing method of the present invention based on control and transmit the configuration diagram of the network separate, as shown in Figure 1, this network can be the OF network, and is concrete, this network comprises forwarding unit 10, controller 20 and server 30.Wherein, forwarding unit 10 can be the OF switch in the OF network, and 20 pairs of networks of controller carry out centralized control, in the OF network, can have a plurality of forwarding units 10 and a plurality of server 30, among Fig. 1 take 5 forwarding units 10 and 3 servers 30 as example, but not as limit.

If server 30 wants to obtain certain message, can will comprise in advance source medium access control (MediaAccess Control, abbreviation MAC) request message of address reports controller 20 by forwarding unit 10, preserves these server 30 corresponding source MACs for controller 20.In addition, in the present embodiment, will be referred to as the edge forwarding unit with the forwarding unit 10 that server 30 directly is connected, and not be referred to as non-edge forwarding unit with the forwarding unit 10 that server 30 directly links to each other.

Fig. 2 is the flow chart of an embodiment of message processing method of the present invention, and on the basis of above-mentioned network shown in Figure 1, as shown in Figure 2, the executive agent of the method is controller in the present embodiment, and then the method comprises:

The message that step 201, reception the first forwarding unit send.

In an embodiment, after forwarding unit receives message, can send to controller, message can be unicast message or broadcasting packet herein.

If it is unknown message that step 202, is judged this message according to the target MAC (Media Access Control) address in this message, judge then whether this first forwarding unit is the edge forwarding unit, wherein, this edge forwarding unit is the forwarding unit that directly is connected with server.

In the present embodiment, in the specific implementation process, controller is receiving above-mentioned message, after above-mentioned packet parsing, can preserve the source MAC of message first, and then the source MAC that carries in the request message of the server that controller receives before inquiry transmission, judge whether to exist the MAC Address identical with the source MAC of above-mentioned message, if judge existence, then the MAC Address in the request message is replied to above-mentioned the first forwarding unit with the form of clean culture, do not exist if judge, think that then this message is unknown message.

If it is the edge forwarding unit that step 203 is judged this first forwarding unit, then according to the information bank of forwarding unit, should send to respectively the second forwarding unit by the unknown message, this second forwarding unit is the edge forwarding unit except this first forwarding unit in the network.

Need to prove, be not the edge forwarding unit if judge this first forwarding unit, then message do not done any processing, can be with this packet loss.In addition, controller indicates the second forwarding unit that above-mentioned unknown message is flooded away when should the unknown message sending to the second forwarding unit.

In the present embodiment, behind the message that receives the transmission of the first forwarding unit, if according to the MAC Address in the message, judging message is unknown message, and when this first forwarding unit is the edge forwarding unit, information bank according to forwarding unit, this message is sent to respectively the second forwarding unit, wherein, this second forwarding unit is the edge forwarding unit except the first forwarding unit in the network, thereby solved the prior art middle controller because the mode that adopts hop-by-hop to flood is processed unknown unicast message or broadcasting packet, and the bandwidth of the mass data passage that takies and the bandwidth problem of control channel bandwidth resources have been saved effectively.

Further, in another embodiment of the present invention, on above-mentioned basis embodiment illustrated in fig. 2, the method can also comprise:

Obtain the information of each forwarding unit in this network, and according to the information of each forwarding unit, generate the information bank of forwarding unit, the information of each forwarding unit includes: the identify label (Identity of forwarding unit, abbreviation ID) agreement that interconnects between the network of information and forwarding unit (Internet Protocol is called for short IP) address; In addition, also comprise in the information of each forwarding unit: whether path interface sign and this forwarding unit of mark of forwarding unit are the edge forwarding unit, and these information can be by the forwarding unit active reporting to controller.

Further, in another embodiment of the present invention, on above-mentioned basis embodiment illustrated in fig. 2, judge in the step 202 that whether this first forwarding unit is that the specific implementation of edge forwarding unit is:

According to the IP address of the first forwarding unit in this message, obtain the id information of this first forwarding unit; According to this id information, judge whether this first forwarding unit is the edge forwarding unit, concrete, above-mentioned the first forwarding unit is when sending above-mentioned message to controller, the IP address that can in message, carry this first forwarding unit, controller can get access to the id information of this first forwarding unit according to this IP address in the information bank of forwarding unit, according to this id information, check in the information bank of above-mentioned forwarding unit whether this forwarding unit is the edge forwarding unit again.

Preferably, according to the information bank of forwarding unit, the specific implementation that this unknown message is sent to respectively the second forwarding unit is in the step 203:

According to the id information in the information bank of this forwarding unit, determine this second forwarding unit;

Should send to respectively this second forwarding unit by the unknown message.

In the present embodiment, controller is first according to the id information in the information bank of this forwarding unit, determine which forwarding unit in the information bank of forwarding unit is the second forwarding unit, being marked with which forwarding unit in the information bank of above-mentioned forwarding unit is the edge forwarding unit, as long as the id information according to above-mentioned the first forwarding unit, this first forwarding unit is got rid of, just can be determined which forwarding unit is the second forwarding unit; After determining which forwarding unit and being the second forwarding unit, according to this id information, should send to respectively this second forwarding unit by the unknown message, notify the second forwarding unit that above-mentioned unknown message is carried out flood process with Time Controller, soon this unknown message sends from each data path interface of forwarding unit.

In the present embodiment, behind the message that receives the transmission of the first forwarding unit, if according to the MAC Address in the message, judging message is unknown message, and when this first forwarding unit is the edge forwarding unit, information bank according to forwarding unit, this message is sent to respectively the second forwarding unit, thereby solved the prior art middle controller because the mode that adopts hop-by-hop to flood is processed unknown unicast message or broadcasting packet, and the bandwidth of the mass data passage that takies and the bandwidth problem of control channel have been saved bandwidth resources effectively.

Fig. 3 is the structural representation of an embodiment of message process device of the present invention, and this message process device can be above-mentioned controller, and as shown in Figure 3, this message process device comprises: receiver module 301, judge module 302 and sending module 303.

Wherein, receiver module 301 is used for receiving the message that the first forwarding unit sends; Judge module 302,, for the purpose medium access control MAC Address of the above-mentioned message that receives according to above-mentioned receiver module 301, judge whether this message is unknown message; If judging above-mentioned message is unknown message, judge whether above-mentioned the first forwarding unit is the edge forwarding unit, wherein, this edge forwarding unit is the forwarding unit that directly is connected with server.Sending module 303, judging above-mentioned the first forwarding unit for above-mentioned judge module 302 is the edge forwarding unit, according to the information bank of forwarding unit, above-mentioned unknown message is sent to respectively the second forwarding unit; Need to prove that this second forwarding unit is the edge forwarding unit except above-mentioned the first forwarding unit in the network.

The message process device of this enforcement can be carried out the technical scheme of embodiment of the method shown in Figure 2, and it realizes that principle is similar, repeats no more herein.

In the present embodiment, behind the message that receives the transmission of the first forwarding unit, if according to the MAC Address in the message, judging message is unknown message, and when this first forwarding unit is the edge forwarding unit, information bank according to forwarding unit, this message is sent to respectively the second forwarding unit, thereby solved the prior art middle controller because the mode that adopts hop-by-hop to flood is processed unknown unicast message or broadcasting packet, and the bandwidth of the mass data passage that takies and the bandwidth problem of control channel have been saved bandwidth resources effectively.

Fig. 4 is the structural representation of another embodiment of message process device of the present invention, on above-mentioned basis embodiment illustrated in fig. 3, this device also comprises: acquisition module 304, generation module 305 and determination module 306, wherein, above-mentioned judge module 302 also specifically comprises: acquiring unit 401 and judging unit 402, particularly

Acquisition module 304 is for the information of obtaining described each forwarding unit of network; Generation module 305 for the information of each the above-mentioned forwarding unit that gets access to according to described acquisition module 301, generates the information bank of this forwarding unit; The information of above-mentioned each forwarding unit includes: the id information of forwarding unit.

Further, in the judge module 302, acquiring unit 401 is used for the IP address according to above-mentioned first forwarding unit of described message, obtains the id information of this first forwarding unit; Judging unit 402 is used for according to described id information, judges whether described the first forwarding unit is the edge forwarding unit.

More preferred, this device can also comprise: determination module 306, be used for the id information according to the information bank of above-mentioned forwarding unit, and determine above-mentioned the second forwarding unit;

Then sending module 303 also is used for the id information corresponding according to each the second forwarding unit, and above-mentioned unknown message is sent to respectively each second forwarding unit.

The message process device of this enforcement can be carried out the technical scheme of embodiment of the method shown in Figure 2, and it realizes that principle is similar, repeats no more herein.

In the present embodiment, behind the message that receives the transmission of the first forwarding unit, if according to the MAC Address in the message, judging message is unknown message, and when this first forwarding unit is the edge forwarding unit, information bank according to forwarding unit, this message is sent to respectively the second forwarding unit, wherein, this second forwarding unit is the edge forwarding unit except the first forwarding unit in the network, thereby solved the prior art middle controller because the mode that adopts hop-by-hop to flood is processed unknown unicast message or broadcasting packet, and the bandwidth of the mass data passage that takies and the bandwidth problem of control channel bandwidth resources have been saved effectively.

Fig. 5 is the structural representation of another embodiment of message process device of the present invention, and as shown in Figure 5, this device comprises: receiver 501, processor 502 and transmitter 503, and wherein, receiver 501 is used for receiving the message that the first forwarding unit sends; The purpose medium access control MAC Address that processor 502 is used for according to the described message that receives judges whether described message is unknown message; If judging described message is unknown message, judge whether described the first forwarding unit is the edge forwarding unit, wherein, described edge forwarding unit is the forwarding unit that directly is connected with server; Transmitter 503 is the edge forwarding unit if be used for judging described the first forwarding unit, then according to the information bank of forwarding unit, described unknown message is sent to respectively the second forwarding unit; Described the second forwarding unit is the edge forwarding unit except described the first forwarding unit in the network.

Preferably, above-mentioned processor 502 also is used for obtaining the information of described each forwarding unit of network; According to the information of each the described forwarding unit that gets access to, generate the information bank of described forwarding unit; The information of described each forwarding unit includes: the IP address of the id information of forwarding unit and forwarding unit.

More preferably, processor 502 specifically is used for the IP addresses according to described first forwarding unit of described message, obtains the id information of described the first forwarding unit; According to described id information, judge whether described the first forwarding unit is the edge forwarding unit.

More preferably, the id information that processor 502 is used for according to the information bank of described forwarding unit is determined described the second forwarding unit; Transmitter 503 also is used for according to id information corresponding to each described the second forwarding unit, and described unknown message is sent to respectively described the second forwarding unit.

One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can be finished by the relevant hardware of program command.Aforesaid program can be stored in the computer read/write memory medium.This program is carried out the step that comprises above-mentioned each embodiment of the method when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.

It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.

Claims (8)

1. a message processing method is characterized in that, comprising:
Receive the message that the first forwarding unit sends;
If according to the purpose medium access control MAC Address in the described message, judging described message is unknown message, judge then whether described the first forwarding unit is the edge forwarding unit, wherein, described edge forwarding unit is the forwarding unit that directly is connected with server;
If judging described the first forwarding unit is the edge forwarding unit, then according to the information bank of forwarding unit, described unknown message is sent to respectively the second forwarding unit; Described the second forwarding unit is the edge forwarding unit except described the first forwarding unit in the network.
2. method according to claim 1 is characterized in that, also comprises:
Obtain the information of each forwarding unit in the described network, and according to the information of each described forwarding unit, generate the information bank of described forwarding unit; The information of described each forwarding unit includes the IP address of id information and the forwarding unit of forwarding unit.
3. method according to claim 1 and 2 is characterized in that, describedly judges that whether described the first forwarding unit is the edge forwarding unit, comprising:
According to the IP address of described the first forwarding unit in the described message, obtain the id information of described the first forwarding unit;
According to described id information, judge whether described the first forwarding unit is the edge forwarding unit.
4. method according to claim 3 is characterized in that, described information bank according to forwarding unit sends respectively the second forwarding unit with described unknown message, comprising:
According to the id information in the information bank of described forwarding unit, determine described the second forwarding unit;
According to id information corresponding to each described the second forwarding unit, described unknown message is sent to respectively described the second forwarding unit.
5. a message process device is characterized in that, comprising:
Receiver module is used for receiving the message that the first forwarding unit sends;
Judge module for the purpose medium access control MAC Address of the described message that receives according to described receiver module, judges whether described message is unknown message; If judging described message is unknown message, judge whether described the first forwarding unit is the edge forwarding unit, wherein, described edge forwarding unit is the forwarding unit that directly is connected with server;
Sending module is the edge forwarding unit if judge described the first forwarding unit for described judge module, then according to the information bank of forwarding unit, described unknown message is sent to respectively the second forwarding unit; Described the second forwarding unit is the edge forwarding unit except described the first forwarding unit in the network.
6. message process device according to claim 5 is characterized in that, also comprises:
Acquisition module is for the information of obtaining described each forwarding unit of network;
Generation module for the information of each the described forwarding unit that gets access to according to described acquisition module, generates the information bank of described forwarding unit; The information of described each forwarding unit includes: the IP address of the id information of forwarding unit and forwarding unit.
7. according to claim 5 or 6 described message process devices, it is characterized in that described judge module also comprises:
Acquiring unit is used for the IP address according to described first forwarding unit of described message, obtains the id information of described the first forwarding unit;
Judging unit is used for according to described id information, judges whether described the first forwarding unit is the edge forwarding unit.
8. message process device according to claim 7 is characterized in that, also comprises:
Determination module is used for the id information according to the information bank of described forwarding unit, determines described the second forwarding unit;
Then described sending module also is used for according to id information corresponding to each described the second forwarding unit, and described unknown message is sent to respectively described the second forwarding unit.
CN201210574107.8A 2012-12-26 2012-12-26 Message processing method and device CN103067280B (en)

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