CN103581057B - Message control method, system and node when a kind of aggregated links switching - Google Patents
Message control method, system and node when a kind of aggregated links switching Download PDFInfo
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- CN103581057B CN103581057B CN201210256833.5A CN201210256833A CN103581057B CN 103581057 B CN103581057 B CN 103581057B CN 201210256833 A CN201210256833 A CN 201210256833A CN 103581057 B CN103581057 B CN 103581057B
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Abstract
Message control method, system and node when switching the invention discloses a kind of aggregated links, first node stop sending service message from the aggregated links to be switched, and Marker agreement request messages are sent to second node by the aggregated links；After second node receives Marker agreement request messages, Marker agreement request messages described in all third node broadcasts in the endpoint of aggregation group where to itself；The second node sends Marker agreement response messages after receiving the Marker agreement response messages of all third nodes, to first node；The service message for having stopped sending in the aggregated links is switched in new aggregated links and sends after receiving Marker agreement response messages by the first node；The solution of the present invention can ensure the order transfer of Marker protocol massages when distributed aggregated link group carries out the aggregated links switching of cross-node.
Description
Technical field
The present invention relates to the aggregated links handoff techniques of distributed aggregated link group more particularly to a kind of aggregated links to switch
When message control method, system and node.
Background technology
With the rapid development of broadband services, the interconnection between network and network uses more and more, carries more
Business.Network internal can realize the node of link and chain road according to the technology of use there are many method and protect.With
It is more and more stronger to the protection demand of flow, it is desirable that it is higher and higher, there is operator to also proposed needs and is done in network interconnection region
The demand of protection.Here protection can realize that common mode can be that port is poly- by using the mode of port trunking
It closes, can also be Loop Protection.Loop Protection technology is limited by network topology, and network interconnection part is connected using the whole network
The mode connect is not applicable.Therefore, more diversified in order to be suitable for network and network interconnection region networking mode, and can realize not
Only to the protection of link, and realize the protection to fringe node, ieee standard tissue proposes extension link aggregation, passes through one
Distributed link aggregation group DRNI is planted to realize that demand, the i.e. end of aggregation group are protected in the network interconnection of link and node dual redundant
It is made of multiple nodes at point, the aggregated links of these nodes forms an aggregated links group.As shown in Figure 1, link aggregation group
(LAG) two terminal As, B have 2 nodes：The multilink of system 1, system 2 and system 3, system 4, this 4 systems is poly-
It is combined, forms an aggregation group LAG, by this LAG, can realize the duplicate protection of link and node, here, end
By interior chain link connection between system 1, system 2 in point A, connect also by interior chain link between the system 3 of terminal B, system 4
It connects.
In existing standard 802.1AX, the case where each endpoint of link aggregation group only supports single node, i.e., it can only realize
Link aggregation on individual node forms link aggregation group LAG.The 802.1AX includes label (Marker) agreement,
When for being switched over to aggregated links, ensure that the order transfer of message, detailed process are as follows：
A. the equipment that aggregated links switches over is stopped in the aggregated links and sends service message；
B. the equipment utilization Marker agreements send Marker PDU to the opposite equip. of the aggregated links, and open
Dynamic timer；
C. the equipment judges the Marker Response of the opposite equip. whether are received before timer expiry
PDU is immediately performed step d if received；If do not received, give tacit consent to the opposite equip. have been received it is described
Marker PDU have abandoned all service messages sent before starting timer, and step is executed in timer expiry
d；
The timing of the timer selects greatly, to ensure in timing, in the aggregated links as possible
There is no service message transmitting.
D. new choose is distributed to by the service message in the aggregated links to the equipment that aggregated links switches over
(selected) on the aggregation group member port of state.
The above process is not applicable for the case where endpoint includes multiple nodes, because aggregated links switching at this moment may be
Cross-node, if a node has received Marker protocol massages, such as the Marker PDU in the above process, the node
Can not ensure that other nodes in the endpoint where itself have been completed the forwarding to the Marker protocol massages, thus also without
Method makes Marker Protocol answers to opposite end.
Invention content
In view of this, the main purpose of the present invention is to provide when a kind of aggregated links switches message control method, be
System and node realize Marker protocol massages control when switching to aggregated links, make Marker protocol massages order transfers.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
Message control method when a kind of aggregated links switching provided by the invention, this method include：
The first node of the aggregated links stops sending service message from the aggregated links, passes through the aggregated links
Marker agreement request messages are sent to second node；
After the second node receives Marker agreement request messages, all the into the endpoint of aggregation group where itself
Marker agreement requests message described in three node broadcasts；
The second node is sent after receiving the Marker agreement response messages of all third nodes to first node
Marker agreement response messages；
The first node will stop the industry sending after receiving Marker agreement response messages in the aggregated links
Business message, which is switched in new aggregated links, to be sent.
In said program, Marker associations described in all third node broadcasts into the endpoint of aggregation group where itself
Discussing request message is：The Marker is forwarded by all third nodes in the endpoint of aggregation group where interior chain chain road direction itself
Agreement request message.
In said program, this method further includes：The second node corresponds to the Marker agreement request messages setting received
Node response list item.
In said program, this method further includes：The second node records the transmission of third node in node response list item
Marker agreement response messages, judge whether to receive all third nodes according to the record of the node response list item
Marker agreement response messages.
In said program, after the first node sends Marker agreement request messages to second node, this method is also wrapped
It includes：The first node starts first timer；
The first node will stop the industry sending after receiving Marker agreement response messages in the aggregated links
Business message, which is switched in new aggregated links, to be sent, and is：
After the first node receives Marker agreement response messages before first timer time-out, by the aggregated links
On the service message that has stopped sending be switched in new aggregated links and send.
In said program, the second node is to after Marker agreement requests message described in third node broadcasts, this method
Further include：The second node starts second timer；
The second node is sent after receiving the Marker agreement response messages of all third nodes to first node
Marker agreement response messages are：
After the second node receives the Marker agreement response messages of all third nodes before second timer time-out,
Marker agreement response messages are sent to first node.
In said program, this method further includes：In second timer time-out, the second node is all still without receiving
The Marker agreement response messages of third node, the second node send Marker agreement response messages to first node.
In said program, this method further includes：The first node is in first timer time-out still without receiving
The service message for having stopped sending in the aggregated links is then switched in new aggregated links by Marker agreement response messages
It sends.
Message control system when a kind of aggregated links switching provided by the invention, the system include：First node, second
Node, third node；Wherein,
First node sends service message for stopping from the aggregated links that being switched, by the aggregated links to the
Two nodes send Marker agreement request messages；After receiving Marker agreement response messages, it will stop in the aggregated links
The service message only sent is switched in new aggregated links and sends；
Second node, it is all in the endpoint of aggregation group where to itself after receiving Marker agreement request messages
Marker agreement requests message described in third node broadcasts；After receiving the Marker agreement response messages of all third nodes,
Marker agreement response messages are sent to first node；
Third node is sent after receiving the Marker agreement request messages that second node is broadcasted to second node
Marker agreement response messages.
In said program, the first node is additionally operable to after second node sends Marker agreement request messages, is started
First timer；It, then will be in the aggregated links in first timer time-out still without Marker agreement response messages are received
The service message for having stopped sending, which is switched in new aggregated links, to be sent.
In said program, the second node is additionally operable to Marker agreement request reports described in all third node broadcasts
Wen Hou starts second timer；After the Marker agreement response messages for receiving all third nodes before second timer time-out,
Marker agreement response messages are sent to first node.
In said program, the second node includes：Broadcast module, second timer module, responder module；Wherein,
Broadcast module, it is all in the endpoint of aggregation group where to itself after receiving Marker agreement request messages
Marker agreement requests message described in third node broadcasts, and notify second timer module；
Second timer module, for starting second timer；
Responder module, the Marker agreement response messages for receiving all third nodes before second timer time-out
Afterwards, Marker agreement response messages are sent to first node.
In said program, the broadcast module is specifically used in the endpoint by aggregation group where interior chain chain road direction itself
All third nodes forward the Marker agreement requests message.
In said program, the broadcast module is additionally operable to the corresponding Marker agreement request messages setting node received and answers
Answer list item.
In said program, the responder module is additionally operable to record what third node was sent in node response list item
Marker agreement response messages judge whether the Marker for receiving all third nodes according to the record of the node response list item
Agreement response message.
In said program, the responder module is additionally operable in second timer time-out and does not receive all third nodes
Marker agreement response messages when, to first node send Marker agreement response messages.
A kind of second node provided by the invention, the second node include：Broadcast module, is answered at second timer module
Answer module；Wherein,
Broadcast module, it is all in the endpoint of aggregation group where to itself after receiving Marker agreement request messages
Marker agreement requests message described in third node broadcasts, and notify second timer module；
Second timer module, for starting second timer；
Responder module, the Marker agreement response messages for receiving all third nodes before second timer time-out
Afterwards, Marker agreement response messages are sent to first node.
Message control method, system and node when switching the present invention provides a kind of aggregated links, the aggregated links
First node stop from the aggregated links send service message, by the aggregated links to second node send Marker
Agreement request message；After the second node receives Marker agreement request messages, in the endpoint of aggregation group where to itself
Marker agreement request messages described in all third node broadcasts；The second node is in the Marker for receiving all third nodes
After agreement response message, Marker agreement response messages are sent to first node；The first node is receiving Marker agreements
After response message, the service message for having stopped sending in the aggregated links is switched in new aggregated links and is sent；In this way,
It can ensure the orderly biography of Marker protocol massages when distributed aggregated link group carries out the aggregated links switching of cross-node
It is defeated.
Description of the drawings
Fig. 1 is the structural schematic diagram of aggregated links group in the prior art；
Fig. 2 is message control method flow diagram when aggregated links provided by the invention switches；
Fig. 3 is message control system architecture schematic diagram when aggregated links provided by the invention switches；
Fig. 4 is the link aggregation group structural schematic diagram of the embodiment of the present invention one；
Fig. 5 is the flow diagram for the message control method that the embodiment of the present invention one is realized when aggregated links switches；
Fig. 6 is the link aggregation group structural schematic diagram of the embodiment of the present invention two；
Fig. 7 is the flow diagram for the message control method that the embodiment of the present invention two is realized when aggregated links switches.
Specific implementation mode
The present invention basic thought be：When the switching of aggregated links will occur for the first node in aggregation group, described
One node stops sending service message from the aggregated links to be switched, and Marker is sent to second node by the aggregated links
Agreement request message；After the second node receives Marker agreement request messages, in the endpoint of aggregation group where to itself
Marker agreement request messages described in all third node broadcasts；The second node is in the Marker for receiving all third nodes
After agreement response message, Marker agreement response messages are sent to first node；The first node is receiving Marker agreements
After response message, the service message for having stopped sending in the aggregated links is switched in new aggregated links and is sent；
The first node be aggregation group first end point in occur aggregated links switching node；
The second node is peer node of the first node in the aggregated links to be switched, and is located at the second of aggregation group
In endpoint；
The third node is the aggregation in addition to second node in the second endpoint.
Below by drawings and the specific embodiments, the present invention is described in further detail.
The present invention realizes message control method when a kind of aggregated links switching, as shown in Fig. 2, this method includes following several
A step：
Step 101：When the switching of aggregated links will occur for the first node in aggregation group, the first node stop from
The aggregated links to be switched sends service message, and Marker agreement request reports are sent to second node by the aggregated links
Text；
The Marker agreement requests message includes the port numbers of the sequence number and the aggregated links to be switched of first node
Deng；
This step further includes：The first node starts first timer；
The timing of the first timer selects greatly, to ensure in timing as possible, it is described to be switched it is poly-
Chain road is closed to have transmitted without service message.
Step 102：After the second node receives Marker agreement request messages, in the endpoint of aggregation group where to itself
All third node broadcasts described in Marker agreement request messages；
Marker agreement request messages described in all third node broadcasts into the endpoint of aggregation group where itself,
Generally：The Marker agreements are forwarded to ask by all third nodes in the endpoint of aggregation group where interior chain chain road direction itself
Seek message；
This step further includes：The second node corresponds to the Marker agreement request messages setting node answer list received
；
Second node described in this step knows to the port of the aggregated links of switching according to Marker agreement request messages
Number；
This step further includes：The second node starts second timer；
The timing of the second timer is shorter than the timing of first timer.
Step 103：The second node is after receiving the Marker agreement response messages of all third nodes, to first segment
Point sends Marker agreement response messages；
In this step, the third node is by interior when sending Marker agreement response messages to the second node
What chain link was sent；
This step further includes：The second node records the Marker agreements of third node transmission in node response list item
Response message judges whether the Marker agreement response reports for receiving all third nodes according to the record of the node response list item
Text；
This step further includes：The second node receives the Marker associations of all third nodes before second timer time-out
After discussing response message, Marker agreement response messages are sent to first node；
If in second timer time-out, the second node is answered still without the Marker agreements for receiving all third nodes
Message is answered, then the second node acquiescence has received described without the third node of transmission Marker agreement response messages
Marker agreement request messages send Marker agreement response messages to first node；
It is described to first node send Marker agreement response messages include：The sequence number of second node and to be switched
The port numbers etc. of aggregated links；
The Marker agreement response messages of the third node include：The sequence number of third node and the polymeric chain to be switched
The port numbers etc. on road；The Marker agreement request messages that the third node is broadcasted according to second node know to the polymerization of switching
The port numbers of link.
Step 104：The first node will stop after receiving Marker agreement response messages in the aggregated links
The service message of transmission is switched in new aggregated links and sends；
This step further includes：After the first node receives Marker agreement response messages before first timer time-out,
The service message for having stopped sending in the aggregated links is switched in new aggregated links and is sent；
If the first node, still without Marker agreement response messages are received, gives tacit consent in first timer time-out
Two nodes have received the Marker agreement requests message, will stop the service message sending in the aggregated links and have switched
It is sent on to new aggregated links.
The present invention realizes message control system when a kind of aggregated links switching, as shown in figure 3, the system includes：First
Node 11, second node 12, third node 13；Wherein,
First node 11 sends service message for stopping from the aggregated links that being switched, by the aggregated links to
Second node 12 sends Marker agreement request messages；It, will be in the aggregated links after receiving Marker agreement response messages
The service message for having stopped sending, which is switched in new aggregated links, to be sent；
Second node 12, after receiving Marker agreement request messages, the institute in the endpoint of aggregation group where to itself
There is third node 13 to broadcast the Marker agreement requests message；In the Marker agreement response reports for receiving all third nodes 13
Wen Hou sends Marker agreement response messages to first node 11；
Third node 13, after receiving the Marker agreement request messages that second node 12 is broadcasted, to second node 12
Send Marker agreement response messages；
The first node 11 is additionally operable to after second node 12 sends Marker agreement request messages, and it is fixed to start first
When device；In first timer time-out still without Marker agreement response messages are received, then gives tacit consent to second node 12 and received
The service message for having stopped sending in the aggregated links is switched to new aggregated links by the Marker agreement requests message
Upper transmission；
The second node 12 is additionally operable to after all third nodes 13 broadcast the Marker agreement requests message, opens
Dynamic second timer；After the Marker agreement response messages for receiving all third nodes 13 before second timer time-out, to
One node 11 sends Marker agreement response messages；
The second node 12 includes：Broadcast module 121, second timer module 122, responder module 123；Wherein,
Broadcast module 121, after receiving Marker agreement request messages, the institute in the endpoint of aggregation group where to itself
There is third node 13 to broadcast the Marker agreement requests message, and notifies second timer module 122；
Second timer module 122, for starting second timer；
Responder module 123, the Marker agreement responses for receiving all third nodes 13 before second timer time-out
After message, Marker agreement response messages are sent to first node 11；
The broadcast module 121, all the be specifically used in the endpoint by interior chain chain road direction itself place aggregation group
Three nodes 13 forward the Marker agreement requests message；
The broadcast module 121 is additionally operable to the corresponding Marker agreement request messages setting node response list item received；
The responder module 123 is additionally operable to record the Marker agreements that third node 13 is sent in node response list item
Response message judges whether the Marker agreement responses for receiving all third nodes 13 according to the record of the node response list item
Message；
The responder module 123 is additionally operable in second timer time-out and does not receive all third nodes 13
When Marker agreement response messages, acquiescence has received described without the third node 13 of transmission Marker agreement response messages
Marker agreement request messages send Marker agreement response messages to first node 11.
Based on above system, the present invention also provides a kind of second nodes, as shown in figure 3, the second node 12 includes：Extensively
Broadcasting module 121, second timer module 122, responder module 123；Wherein,
Broadcast module 121, after receiving Marker agreement request messages, the institute in the endpoint of aggregation group where to itself
There is third node 13 to broadcast the Marker agreement requests message, and notifies second timer module 122；
Second timer module 122, for starting second timer；
Responder module 123, the Marker agreement responses for receiving all third nodes 13 before second timer time-out
After message, Marker agreement response messages are sent to first node 11；
The broadcast module 121, all the be specifically used in the endpoint by interior chain chain road direction itself place aggregation group
Three nodes 13 forward the Marker agreement requests message；
The broadcast module 121 is additionally operable to the corresponding Marker agreement request messages setting node response list item received；
The responder module 123 is additionally operable to record the Marker agreements that third node 13 is sent in node response list item
Response message judges whether the Marker agreement responses for receiving all third nodes 13 according to the record of the node response list item
Message；
The responder module 123 is additionally operable in second timer time-out and does not receive all third nodes 13
When Marker agreement response messages, acquiescence has received described without the third node 13 of transmission Marker agreement response messages
Marker agreement request messages send Marker agreement response messages to first node 11.
With reference to the realization process and principle of the specific embodiment method that the present invention will be described in detail.
Embodiment one
As shown in figure 4, node A, B and node C, D form a link aggregation group by aggregated links 1,2.
Assuming that under normal circumstances, thering is aggregated links 1 of one group of service message in link aggregation group to send, due to certain originals
Cause, as aggregated links 1 is needed from being isolated in aggregation group or a new port has been added in aggregation group, Huo Zhefen
It sends out device and determines that distribution etc. again on one group of port, this group of service message are needed from polymeric chain by the business report in aggregated links 1
Road 1 switches off.The present embodiment realizes message control method when aggregated links switching, as shown in figure 5, this method includes following several
A step：
Step 201：Node D stops sending message from aggregated links 1, and one is sent to peer node A by aggregated links 1
Marker agreement request messages, and start timer 1；
Step 202：After node A receives the Marker agreement requests message, the corresponding Marker agreement request reports received
Text setting node response list item forwards the Marker by the node B in the endpoint of aggregation group where interior chain chain road direction itself
Agreement request message, and start timer 2；
In this step, the flow that forwarding Marker agreement requests message will not be internally in connected link has an impact.
Step 203：After node B receives Marker agreement request messages, a Marker is replied by interior connected link immediately
Agreement response message gives node A；
Step 204：After node A receives the Marker agreement response messages of node B before timer 2 time-out, pass through polymerization
Link 1 sends a Marker agreements response message and gives node D；
Specifically, node A records the Marker agreement response messages that node B is sent in node response list item, in timing
When having recorded the Marker agreement response messages that node B is sent before 2 time-out of device in decision node response list item, pass through aggregated links
1 one Marker agreements response message of transmission gives node D；
This step further includes：In timer 2 time-out, still without record node B hairs in node A decision node response list items
The Marker agreement response messages sent, node A default nodes B have received the Marker agreement requests message, have passed through link 1
It sends a Marker agreements response message and gives node D.
Step 205：After node D receives the Marker agreement response messages of node A before 1 time-out of timer, in itself institute
The Marker agreements response message is forwarded in the endpoint of aggregation group, will stop the message sending in the aggregated links 1
It is switched in aggregated links 2 and sends；
This step further includes：Node D in the time-out of timer 1 still without the Marker agreement response messages for receiving node A,
Then default node A has received the Marker agreement requests message, in the endpoint of aggregation group where itself described in forwarding
The message for having stopped sending in the aggregated links 1 is switched in aggregated links 2 and sends by Marker agreement response messages.
Embodiment two
As shown in fig. 6, the both ends of aggregation group are made of multiple nodes, wherein there are node A, B and node E in one end, another
There are node C, D and node F in end, and a link aggregation group is formed by aggregated links 1,2,3.
Assuming that under normal circumstances, thering is aggregated links 1 of one group of service message in link aggregation group to send, due to certain originals
Cause, as aggregated links 1 is needed from being isolated in aggregation group or a new port has been added in aggregation group, Huo Zhefen
It sends out device and determines that distribution etc. again on one group of port, this group of service message are needed from polymeric chain by the business report in aggregated links 1
Road 1 switches off.The present embodiment realizes message control method when aggregated links switching, as shown in fig. 7, this method includes following several
A step：
Step 301：Node D stops sending message from aggregated links 1, and one is sent to peer node A by aggregated links 1
Marker agreement request messages, and start timer 1；
Step 302：After node A receives the Marker agreement requests message, the corresponding Marker agreement request reports received
Text setting node response list item, described in node B in the endpoint of aggregation group where interior chain chain road direction itself and node E forwardings
Marker agreement request messages, and start timer 2；
Step 303：After node B and E receive Marker agreement request messages, Marker associations are replied by interior connected link immediately
View response message gives node A；
Step 304：After node A receives the Marker agreement response messages of node B and node E before timer 2 time-out, lead to
It crosses the one Marker agreements response message of transmission of aggregated links 1 and gives node D；
Specifically, node A records the Marker agreement response messages that node B and node E are sent in node response list item,
The Marker agreement response messages that node B and node E are sent are had recorded in decision node response list item before timer 2 time-out
When, a Marker agreements response message is sent by aggregated links 1 and gives node D；
This step further includes：In timer 2 time-out, still without record node B in node A decision node response list items
And/or the Marker agreement response messages that node E is sent, node A default nodes B and node E have received the Marker associations
Request message is discussed, sending a Marker agreements response message by link 1 gives node D.
Step 305：After node D receives the Marker agreement response messages of node A before 1 time-out of timer, in itself institute
The Marker agreements response message is forwarded in the endpoint of aggregation group, will stop the message sending in the aggregated links 1
It is switched in aggregated links 2 or 3 and sends；
This step further includes：Node D in the time-out of timer 1 still without the Marker agreement response messages for receiving node A,
Then default node A has received the Marker agreement requests message, in the endpoint of aggregation group where itself described in forwarding
The message for having stopped sending in the aggregated links 1 is switched in aggregated links 2 or 3 and sends by Marker agreement response messages.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (21)
1. message control method when a kind of switching of aggregated links, which is characterized in that this method includes：
The first node of the aggregated links stops sending service message from the aggregated links, by the aggregated links to the
Two nodes send label (Marker) agreement request message；
After the second node receives Marker agreement request messages, all third sections in the endpoint of aggregation group where to itself
Point broadcasts the Marker agreement requests message；
The second node sends Marker after receiving the Marker agreement response messages of all third nodes, to first node
Agreement response message；
The first node will stop the business report sent after receiving Marker agreement response messages in the aggregated links
Text is switched in new aggregated links and sends.
2. message control method according to claim 1, which is characterized in that described into the endpoint of aggregation group where itself
All third node broadcasts described in Marker agreement request messages be：Pass through the endpoint of aggregation group where interior chain chain road direction itself
In all third nodes forward the Marker agreement requests message.
3. message control method according to claim 2, which is characterized in that this method further includes：The second node pair
The receivable Marker agreement request messages setting node response list item arrived.
4. message control method according to claim 3, which is characterized in that this method further includes：The second node exists
The Marker agreement response messages that third node is sent are recorded in node response list item, according to the record of the node response list item
Judge whether to receive the Marker agreement response messages of all third nodes.
5. message control method according to claim 1, which is characterized in that the first node is sent to second node
After Marker agreement request messages, this method further includes：The first node starts first timer；
The first node will stop the business report sent after receiving Marker agreement response messages in the aggregated links
Text is switched in new aggregated links and sends, and is：
After the first node receives Marker agreement response messages before first timer time-out, by the aggregated links
The service message for stopping sending, which is switched in new aggregated links, to be sent.
6. message control method according to claim 1, which is characterized in that the second node is to third node broadcasts institute
After stating Marker agreement request messages, this method further includes：The second node starts second timer；
The second node sends Marker after receiving the Marker agreement response messages of all third nodes, to first node
Agreement response message is：
After the second node receives the Marker agreement response messages of all third nodes before second timer time-out, to
One node sends Marker agreement response messages.
7. message control method according to claim 6, which is characterized in that this method further includes：It is super in second timer
Constantly, the second node is still without the Marker agreement response messages for receiving all third nodes, and the second node is to
One node sends Marker agreement response messages.
8. message control method according to claim 5, which is characterized in that this method further includes：The first node exists
Still without Marker agreement response messages are received when first timer time-out, then the industry sent will be stopped in the aggregated links
Business message, which is switched in new aggregated links, to be sent.
9. message control system when a kind of switching of aggregated links, which is characterized in that the system includes：First node, the second section
Point, third node；Wherein,
First node, service message is sent for stopping from the aggregated links to be switched, and is saved to second by the aggregated links
Point sends Marker agreement request messages；After receiving Marker agreement response messages, it will stop sending out in the aggregated links
The service message sent is switched in new aggregated links and sends；
Second node, after receiving Marker agreement request messages, all thirds in the endpoint of aggregation group where to itself
Marker agreement requests message described in node broadcasts；After receiving the Marker agreement response messages of all third nodes, to
One node sends Marker agreement response messages；
Third node sends Marker after receiving the Marker agreement request messages that second node is broadcasted to second node
Agreement response message.
10. message control system according to claim 9, which is characterized in that the first node is additionally operable to the second section
After point sends Marker agreement request messages, start first timer；In first timer time-out still without receiving Marker
The service message for having stopped sending in the aggregated links is then switched in new aggregated links and sends by agreement response message.
11. message control system according to claim 9, which is characterized in that the second node is additionally operable to all
After Marker agreement requests message described in three node broadcasts, start second timer；It is received before second timer time-out all
After the Marker agreement response messages of third node, Marker agreement response messages are sent to first node.
12. message control system according to claim 11, which is characterized in that the second node includes：Broadcast module,
Second timer module, responder module；Wherein,
Broadcast module, after receiving Marker agreement request messages, all thirds in the endpoint of aggregation group where to itself
Marker agreement requests message described in node broadcasts, and notify second timer module；
Second timer module, for starting second timer；
Responder module, after the Marker agreement response messages for receiving all third nodes before second timer time-out, to
First node sends Marker agreement response messages.
13. message control system according to claim 12, which is characterized in that the broadcast module, specifically for passing through
All third nodes in the endpoint of aggregation group where interior chain chain road direction itself forward the Marker agreement requests message.
14. message control system according to claim 12, which is characterized in that the broadcast module is additionally operable to receivable
The Marker agreement request messages setting node response list item arrived.
15. message control system according to claim 14, which is characterized in that the responder module is additionally operable in node
The Marker agreement response messages that third node is sent are recorded in response list item, are judged according to the record of the node response list item
Whether the Marker agreement response message of all third nodes is received.
16. message control system according to claim 12, which is characterized in that the responder module is additionally operable to second
Timer expiry and when not receiving the Marker agreement response messages of all third nodes, Marker is sent to first node
Agreement response message.
17. a kind of second node, which is characterized in that the second node includes：Broadcast module, second timer module, response
Module；Wherein,
Broadcast module, after receiving Marker agreement request messages, all thirds in the endpoint of aggregation group where to itself
Marker agreement requests message described in node broadcasts, and notify second timer module；
Second timer module, for starting second timer；
Responder module, after the Marker agreement response messages for receiving all third nodes before second timer time-out, to
First node sends Marker agreement response messages.
18. second node according to claim 17, which is characterized in that the broadcast module is specifically used for passing through interior chain
All third nodes in the endpoint of aggregation group where chain road direction itself forward the Marker agreement requests message.
19. second node according to claim 17, which is characterized in that the broadcast module is additionally operable to what correspondence received
Node response list item is arranged in Marker agreement request messages.
20. second node according to claim 19, which is characterized in that the responder module is additionally operable in node response
The Marker agreement response messages that third node is sent are recorded in list item, are judged whether according to the record of the node response list item
Receive the Marker agreement response messages of all third nodes.
21. second node according to claim 17, which is characterized in that the responder module is additionally operable in the second timing
Device is overtime and when not receiving the Marker agreement response messages of all third nodes, Marker agreements are sent to first node
Response message.
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| CN1848768A (en) * | 2005-04-12 | 2006-10-18 | 富士通株式会社 | Characteristic identifying message for link aggregation marker protocol |
| CN101572929A (en) * | 2008-04-29 | 2009-11-04 | 大唐移动通信设备有限公司 | Method, device and system for transmitting messages in switching process |
| CN102282827A (en) * | 2009-01-21 | 2011-12-14 | 日本电气株式会社 | Signalling processing apparatus and link changeover method |
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| CN1848768A (en) * | 2005-04-12 | 2006-10-18 | 富士通株式会社 | Characteristic identifying message for link aggregation marker protocol |
| CN101572929A (en) * | 2008-04-29 | 2009-11-04 | 大唐移动通信设备有限公司 | Method, device and system for transmitting messages in switching process |
| CN102282827A (en) * | 2009-01-21 | 2011-12-14 | 日本电气株式会社 | Signalling processing apparatus and link changeover method |
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