CN106878181A - A kind of message transmitting method and device - Google Patents
A kind of message transmitting method and device Download PDFInfo
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- CN106878181A CN106878181A CN201611247322.1A CN201611247322A CN106878181A CN 106878181 A CN106878181 A CN 106878181A CN 201611247322 A CN201611247322 A CN 201611247322A CN 106878181 A CN106878181 A CN 106878181A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/806—Broadcast or multicast traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/825—Involving tunnels, e.g. MPLS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The application provides a kind of message transmitting method and device, and the method includes：After first kind message is received by Multicast Tunnel, the address information of source host is parsed from the first kind message, forwarding-table item is generated using the address information of the source host, the outgoing interface of the forwarding-table item is the information of the corresponding single tunnel of the Multicast Tunnel；Wherein, this equipment is created the corresponding single tunnel of the Multicast Tunnel, and the single tunnel is the single tunnel between this equipment and the end edges equipment；After the Equations of The Second Kind message that purpose is the source host is received, the forwarding-table item is inquired about by the destination address of the Equations of The Second Kind message, obtain the outgoing interface matched with the destination address；If the outgoing interface for obtaining is the information of single tunnel, the Equations of The Second Kind message is sent by the single tunnel.By the technical scheme of the application, it is possible to reduce the waste of bandwidth resources, the network bandwidth is saved, mitigate the treatment expense of P equipment.
Description
Technical field
The application is related to communication technical field, more particularly to a kind of message transmitting method and device.
Background technology
VXLAN (Virtual eXtensible Local Area Network, expansible Virtual Local Area Network) is to be based on
IP network, using " MAC (Media Access Control, media access control) in UDP (User Datagram
Protocol, UDP) " two-layer VPN (the Virtual Private Network, Virtual Private Network of packing forms
Network) technology.VXLAN can be based on existing service provider or enterprise IP network, for scattered website provides two layers of interconnection,
And business isolation can be provided for different tenants.
VXLAN is mainly used in data center network, as shown in figure 1, being the networking schematic diagram of data center network, data
Central site network can use head end copy mode or core copy mode.When by IP core network carry out two layers interconnection stations
When point is more, core copy mode is generally used, such that it is able to reduce VTEP (VXLAN Tunnel End Point, VXLAN tunnels
Road end points) equipment pressure.In order to realize core copy mode, all VTEP equipment in same VXLAN are added to together
One multicast group.
Based on core copy mode, after VTEP equipment 1 receives the broadcasting packet of main frame 1, broadcasting packet is sent to website
2, and for broadcasting packet encapsulates Multicast Tunnel head, the message after encapsulation is sent to P equipment.P equipment is replicated to message, is led to
Cross Multicast Tunnel a and be sent respectively to VTEP equipment 2 and VTEP equipment 3.
VTEP equipment 2 in the message after receiving encapsulation, 1 IP address from message learning to main frame, and by main frame 1
IP address be associated with Multicast Tunnel a.So, the unicast message of main frame 1 is sent to for main frame 3, due to the unicast report
The purpose IP address of text are associated with Multicast Tunnel a, therefore, VTEP equipment 2 is that the unicast message encapsulates Multicast Tunnel head, and will envelope
Message after dress is sent to P equipment.P equipment is replicated to message, and the He of VTEP equipment 1 is sent respectively to by Multicast Tunnel a
VTEP equipment 3.
Obviously, under aforesaid way, the waste of bandwidth resources can be caused, increases the treatment expense of P equipment.
The content of the invention
The application provides a kind of message transmitting method, is applied to local terminal edge device, this equipment and end edges equipment it
Between there is Multicast Tunnel, methods described includes：
After first kind message is received by Multicast Tunnel, the address of source host is parsed from the first kind message
Information, forwarding-table item is generated using the address information of the source host, and the outgoing interface of the forwarding-table item is the Multicast Tunnel
The information of corresponding single tunnel；Wherein, this equipment is created the corresponding single tunnel of the Multicast Tunnel, the single tunnel
It is the single tunnel between this equipment and the end edges equipment；
After the Equations of The Second Kind message that purpose is the source host is received, looked into by the destination address of the Equations of The Second Kind message
The forwarding-table item is ask, the outgoing interface matched with the destination address is obtained；If the outgoing interface for obtaining is the information of single tunnel,
The Equations of The Second Kind message is then sent by the single tunnel.
The application provides a kind of message transmitting device, is applied to local terminal edge device, the local terminal edge device and opposite end
There is Multicast Tunnel between edge device, described device is specifically included：
Generation module, for after first kind message is received by the Multicast Tunnel, from the first kind message
The address information of source host is parsed, forwarding-table item is generated using the address information of the source host, the forwarding-table item goes out
Interface is the information of the corresponding single tunnel of the Multicast Tunnel；Wherein, the local terminal edge device is created the multicast tunnel
The corresponding single tunnel in road, and the single tunnel is the unicast between the local terminal edge device and the end edges equipment
Tunnel；
Sending module, for after the Equations of The Second Kind message that purpose is the source host is received, by the Equations of The Second Kind report
The destination address of text inquires about the forwarding-table item, obtains the outgoing interface matched with the destination address；If the outgoing interface for obtaining is
The information of single tunnel, then send the Equations of The Second Kind message by the single tunnel.
Based on above-mentioned technical proposal, in the embodiment of the present application, in the core duplicate network of VXLAN, can be in this end edge
Single tunnel corresponding with Multicast Tunnel is created between edge equipment and end edges equipment, for the report received from Multicast Tunnel
Text, can be associated with the single tunnel by the corresponding forwarding-table item of message.So, the list that is matched with the forwarding-table item is being received
After reporting text, it is possible to use single tunnel transmits the unicast message, rather than transmitting the unicast message using Multicast Tunnel,
So as to reduce the waste of bandwidth resources, the network bandwidth is saved, mitigate the treatment expense of P equipment, improve answering for core duplicate network
With value and prospect.
Brief description of the drawings
In order to clearly illustrate the embodiment of the present application or technical scheme of the prior art, below will be to the application
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is only some embodiments described in the application, for those of ordinary skill in the art, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the networking schematic diagram of data center network；
Fig. 2 is the flow chart of the message transmitting method in a kind of implementation method of the application；
Fig. 3 is the hardware structure diagram of the local terminal edge device in a kind of implementation method of the application；
Fig. 4 is the structure chart of the message transmitting device in a kind of implementation method of the application.
Specific embodiment
In term used in this application merely for the sake of the purpose for describing specific embodiment, and unrestricted the application.This Shen
Please it is also intended to include most forms with " one kind ", " described " and " being somebody's turn to do " of the singulative used in claims, unless
Context clearly shows that other implications.It is also understood that term "and/or" used herein refers to comprising one or more
Associated any or all of project listed may be combined.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used for being distinguished from each other open same type of information.For example, not departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, additionally, used word " if " can be construed to " and ... when " or " when ... when "
Or " in response to determining ".
Propose a kind of message transmitting method in the embodiment of the present application, the method can apply to include local terminal edge device and
The network of end edges equipment, such as the method can apply to the core duplicate network of VXLAN (i.e. using core copy mode
VXLAN data center networks).Wherein, the network includes multiple edge devices (such as VTEP equipment), and this multiple edge device
Including local terminal edge device and end edges equipment, the quantity of local terminal edge device is one, and the quantity of end edges equipment
Can be one or more.For each end edges equipment, exist between local terminal edge device and the end edges equipment
Multicast Tunnel.
Local terminal edge device and end edges equipment are relative, for example, work as being built between edge device A and edge device B
Vertical when having Multicast Tunnel, if edge device A is local terminal edge device, edge device B is end edges equipment, if edge device
B is local terminal edge device, then edge device A is end edges equipment.
In one example, for the Multicast Tunnel between local terminal edge device and end edges equipment, this end margin sets
It is standby to create single tunnel corresponding with the Multicast Tunnel, and, the single tunnel can be the local terminal edge device with
Single tunnel between the end edges equipment.
Wherein, the source address of the single tunnel can be the address information of the local terminal edge device, and the single tunnel
Destination address can be the address information of the end edges equipment.And, the address information of local terminal edge device can be the group
The address information for the local terminal edge device that tunnel is used is broadcast, and the address information of end edges equipment can be the multicast
The address information for the end edges equipment that tunnel is used.
If for example, set up between edge device A and edge device B having Multicast Tunnel, the Multicast Tunnel makes in edge device A
Address information is address A, and the address information used in edge device B is address B, then edge device A can be created and this
The corresponding single tunnel of Multicast Tunnel, the source address of the single tunnel is the address A of edge device A, the purpose of the single tunnel
Address is the address B of edge device B.And, edge device B can also create single tunnel corresponding with the Multicast Tunnel, should
The source address of single tunnel is the address B of edge device B, and the destination address of the single tunnel is the address A of edge device A.
In one example, for the process of " local terminal edge device creates single tunnel corresponding with the Multicast Tunnel ",
Following manner can be included but is not limited to：Based on local configuration information, the address information of this equipment is got and to end edge
The address information of edge equipment, and utilize the address information of this equipment and the address information of end edges equipment to create and the multicast
The corresponding single tunnel in tunnel.Or, after first kind message is received by the Multicast Tunnel, solved from the first kind message
Separate out the address information of end edges equipment, and address information and the address information of the end edges equipment using this equipment
Create single tunnel corresponding with the Multicast Tunnel.Or, receiving what end edges equipment sent by the Multicast Tunnel
After channel message, the address information of the end edges equipment is parsed from the channel message, and using the address letter of this equipment
The address information of breath and the end edges equipment creates single tunnel corresponding with the Multicast Tunnel.
For first way, address information (this equipment that can be used comprising Multicast Tunnel in local configuration information
Address information and end edges equipment address information), therefore, local terminal edge device can be parsed from configuration information
The address information of this equipment and the address information of end edges equipment, and using the address information and end edges equipment of this equipment
Address information create corresponding with Multicast Tunnel single tunnel.
For the second way, first kind message is the message for being packaged with Multicast Tunnel head that end edges equipment sends.
Specifically, end edges equipment receive source host transmission original message (such as broadcasting packet or multicast message or
Unknown unicast message etc.) after, can be the original message encapsulation Multicast Tunnel head for receiving, and by the message (i.e. first after encapsulation
Class message) P equipment is sent to, replicate, and this end margin be sent to by Multicast Tunnel setting to first kind message by P equipment
Standby, so, local terminal edge device can just receive first kind message.The process that end edges equipment sends first kind message exists
Subsequent process explanation.
Local terminal edge device can parse Multicast Tunnel after first kind message is received from first kind message
Head, and the source address information in the Multicast Tunnel head is exactly the address information of end edges equipment.Additionally, local terminal edge device is also
The address information of this equipment that Multicast Tunnel is used can be got, is then set using the address information and end edges of this equipment
Standby address information creates single tunnel corresponding with Multicast Tunnel.
For the third mode, local terminal edge device receive source host transmission original message (such as broadcasting packet or
Person's multicast message or unknown unicast message etc.) after, can be the original message encapsulation Multicast Tunnel head for receiving, and will encapsulation
Message (i.e. first kind message) afterwards is sent to P equipment, and first kind message is replicated by P equipment, and by Multicast Tunnel
End edges equipment is sent to, so, end edges equipment can receive first kind message.
End edges equipment generates channel message after first kind message is received, and the internal layer of the channel message is ICMP
(Internet Control Message Protocol, Internet Control Message Protocol) data, outer layer is Multicast Tunnel head,
In the Multicast Tunnel head, the address information that source address information is used for the Multicast Tunnel of end edges equipment.Then, end edges
Equipment sends channel message by Multicast Tunnel to local terminal edge device.
Local terminal edge device can parse Multicast Tunnel after the channel message is received from the channel message
Head, and the source address information in the Multicast Tunnel head is exactly the address information of end edges equipment.Additionally, local terminal edge device is also
The address information of this equipment that Multicast Tunnel is used can be got, is then set using the address information and end edges of this equipment
Standby address information creates single tunnel corresponding with Multicast Tunnel.
In one example, local terminal edge device can also give birth to after first kind message is received by Multicast Tunnel
Into channel message, and the channel message is sent to end edges equipment by the Multicast Tunnel so that end edges equipment according to
The channel message creates single tunnel corresponding with Multicast Tunnel, and the specific process that creates is similar with above-mentioned the third mode, herein
Repeat no more.In another example, local terminal edge device, can be with after first kind message is received by Multicast Tunnel
Whether first kind message is transmitted across to end edges equipment by Multicast Tunnel before judging this equipment, if it is not, then can
To generate channel message, and the channel message is sent to end edges equipment by the Multicast Tunnel, so that end edges equipment
Single tunnel corresponding with Multicast Tunnel is created according to the channel message, specific establishment process will not be repeated here.
Wherein, the internal layer of the channel message is ICMP data, and outer layer is Multicast Tunnel head.And, in the Multicast Tunnel head
In, the address information that source address information is used for the Multicast Tunnel of local terminal edge device.
It is shown in Figure 2 under above-mentioned application scenarios, it is the flow of the message transmitting method of proposition in the embodiment of the present application
Figure, the method can apply to local terminal edge device, and the method may comprise steps of：
Step 201, after first kind message is received by Multicast Tunnel, source host is parsed from the first kind message
Address information, and using the address information generation forwarding-table item of the source host, wherein, the outgoing interface of the forwarding-table item is the group
Broadcast the information (such as Tunnel Identifier) of the corresponding single tunnel in tunnel.
In one example, end edges equipment receive source host transmission original message (such as broadcasting packet or
Multicast message or unknown unicast message etc.) after, can be the original message encapsulation Multicast Tunnel head for receiving, and by after encapsulation
Message (i.e. first kind message) be sent to P equipment, first kind message is replicated by P equipment, and by Multicast Tunnel send out
Give local terminal edge device.Local terminal edge device can peel the first kind off after first kind message is received by Multicast Tunnel
The Multicast Tunnel head of message, obtains the original message in first kind message, and the source address information of the original message is exactly source master
The address information of machine.
Local terminal edge device is after the address information for obtaining source host, it is possible to use the address information generation forwarding of source host
List item, the occurrence of the forwarding-table item is the address information of source host, and outgoing interface is the corresponding single tunnel of the Multicast Tunnel
Information, in this manner it is possible to the address information of source host is associated with into single tunnel.
Step 202, after the Equations of The Second Kind message that purpose is the source host is received, by the destination of the Equations of The Second Kind message
The forwarding-table item is inquired about in location, obtains the outgoing interface matched with the destination address；If the outgoing interface for obtaining is the letter of single tunnel
Breath, then send the Equations of The Second Kind message by the single tunnel.
In one example, when the main frame being connected with local terminal edge device sends message to source host, this end margin sets
Standby to receive the message, the message is the Equations of The Second Kind message that purpose is the source host, and the Equations of The Second Kind message is a unicast
Message, and the destination address information of the Equations of The Second Kind message is the address information of source host.
In one example, for the process of " local terminal edge device sends the Equations of The Second Kind message by the single tunnel ",
Local terminal edge device can encapsulate single tunnel head for the Equations of The Second Kind message, and the source address information of the single tunnel head is the unicast
The source address (i.e. the address information of local terminal edge device) in tunnel, the destination address information of the single tunnel head is the single tunnel
Destination address (i.e. the address information of end edges equipment).Afterwards, local terminal edge device be able to will be sealed by the single tunnel
Equations of The Second Kind message after dress is sent to end edges equipment, and in this transmission process, P equipment will not be to the Equations of The Second Kind after encapsulation
Message is replicated.
In one example, forwarding-table item can include but is not limited to MAC address entries and/or ARP (Address
Resolution Protocol, address resolution protocol) list item, (such as the address information of this equipment, end edges set address information
Standby address information etc.) IP address and/or MAC Address, address (such as source address, destination address) can be included but is not limited to
IP address and/or MAC Address can be included but is not limited to.
In one example, local terminal edge device can also be after establishment single tunnel corresponding with Multicast Tunnel
The single tunnel sets ageing timer, and the ageing time of the ageing timer can be configured according to practical experience, such as
3600 seconds etc..Before ageing timer time-out, local terminal edge device is sending Equations of The Second Kind message by the single tunnel every time
When, update the ageing time (i.e. ageing timer reclocking) of the ageing timer.In ageing timer time-out, then originally
End margin equipment can delete the single tunnel.
After local terminal edge device deletes the single tunnel, if exist use the demand of the single tunnel, local terminal again
Edge device can also use aforesaid way, re-create single tunnel corresponding with Multicast Tunnel.So, single tunnel is realized
Generation on demand with delete, the waste of tunnel resource can be prevented.
Based on above-mentioned technical proposal, in the embodiment of the present application, in the core duplicate network of VXLAN, can be in this end edge
Single tunnel corresponding with Multicast Tunnel is created between edge equipment and end edges equipment, for the report received from Multicast Tunnel
Text, can be associated with the single tunnel by the corresponding forwarding-table item of message.So, the list that is matched with the forwarding-table item is being received
After reporting text, it is possible to use single tunnel transmits the unicast message, rather than transmitting the unicast message using Multicast Tunnel,
So as to reduce the waste of bandwidth resources, the network bandwidth is saved, mitigate the treatment expense of P equipment, improve answering for core duplicate network
With value and prospect.
Below in conjunction with specific application scenarios, the above-mentioned technical proposal to the embodiment of the present application is described in detail.With Fig. 1
It is the networking schematic diagram of this application scene, under this application scene, (is replicated using core with the core duplicate network of VXLAN
The VXLAN data center networks of mode) as a example by, and, with VTEP equipment 1 for end edges equipment, VTEP equipment 2 is this end edge
Illustrated as a example by edge equipment.
As shown in figure 1, set up between VTEP equipment 2 and VTEP equipment 1 having Multicast Tunnel a, the path of Multicast Tunnel a can
Think VTEP equipment 2-P equipment-VTEP equipment 1；Being set up between VTEP equipment 2 and VTEP equipment 3 has Multicast Tunnel a, the multicast
The path of tunnel a can be VTEP equipment 2-P equipment-VTEP equipment 3.Certainly, other VTEP equipment also have corresponding multicast tunnel
Road, repeats no more to this.Assuming that the IP address that Multicast Tunnel a is used in VTEP equipment 1 is 13.1.1.1, Multicast Tunnel a exists
The IP address used in VTEP equipment 2 is 10.1.1.2.The MAC Address that Multicast Tunnel a is used in VTEP equipment 1 is MAC-1,
The MAC Address that Multicast Tunnel a is used in VTEP equipment 2 is MAC-2.
Under above-mentioned application scenarios, the message transmitting method proposed in the embodiment of the present application can include：
Step 1, main frame 1 send message 1, and message 1 can be broadcasting packet, multicast message, unknown unicast message, message 1
Source IP address for main frame 1 IP address A, source MAC for main frame 1 MAC-A.
After step 2, VTEP equipment 1 receive the message 1 of main frame 1, message 1 is sent to website 2, and for message 1 is encapsulated
Multicast Tunnel head, P equipment is sent to by the message (being referred to as message 2) after encapsulation.
In one example, for the process of " VTEP equipment 1 is the encapsulation Multicast Tunnel of message 1 head ", the Multicast Tunnel head
It is followed successively by from outside to inside：IP, UDP, VXLAN heads.UDP can include source port mark, destination interface mark etc.,
VXLAN can include VXLAN marks etc., for UDP, VXLAN heads, will not be repeated here.IP can include source IP ground
The contents such as location, source MAC, purpose IP address, target MAC (Media Access Control) address, source IP address can be Multicast Tunnel a in VTEP equipment 1
On the IP address 13.1.1.1 that uses, source MAC can be the MAC-1 that Multicast Tunnel a is used in VTEP equipment 1, purpose
IP address is multicast ip address, and target MAC (Media Access Control) address is multicast mac address.
Step 3, P equipment are replicated after message 2 is received to the message 2, and by Multicast Tunnel a by 2 points of message
VTEP equipment 2 and VTEP equipment 3 are not sent to.For the treatment of VTEP equipment 3, repeated no more under this application scenarios, below
Treatment to VTEP equipment 2 is described in detail.
Step 4, VTEP equipment 2 parse outgoing packet 1 after message 2 is received by Multicast Tunnel a from the message 2,
And the message 1 is sent to website 3, this transmission process is repeated no more.
Step 5, VTEP equipment 2 are created corresponding with Multicast Tunnel a after message 2 is received by Multicast Tunnel a
Single tunnel 1.Wherein, the source IP address of the single tunnel 1 is the IP address that Multicast Tunnel a is used in VTEP equipment 2
10.1.1.2, source MAC is the MAC-2 that Multicast Tunnel a is used in VTEP equipment 2, and, purpose IP address are multicast tunnel
The IP address 13.1.1.1 that road a is used in VTEP equipment 1, target MAC (Media Access Control) address is used for Multicast Tunnel a in VTEP equipment 1
MAC-1.
In one example, VTEP equipment 2 can be solved after message 2 is received by Multicast Tunnel a from message 2
Multicast Tunnel head is separated out, and in the IP heads point of the Multicast Tunnel head, source IP address makes for Multicast Tunnel a in VTEP equipment 1
IP address 13.1.1.1, source MAC is the MAC-1 that Multicast Tunnel a is used in VTEP equipment 1, therefore, VTEP equipment
2 can parse IP address 13.1.1.1 and MAC-1 from the Multicast Tunnel head, and IP address 13.1.1.1 can serve as unicast
The purpose IP address in tunnel 1, MAC-1 can serve as the target MAC (Media Access Control) address of single tunnel 1.
In one example, VTEP equipment 2 can also get Multicast Tunnel a in VTEP from local VXLAN configurations
The IP address 10.1.1.2 used in equipment 2, and the MAC-2 that Multicast Tunnel a is used in VTEP equipment 2, therefore, IP ground
Location 10.1.1.2 can serve as the source IP address of single tunnel 1, and the MAC-2 can serve as the source MAC ground of single tunnel 1
Location.
In sum, VTEP equipment 2 can create single tunnel 1 corresponding with Multicast Tunnel a.
Step 6, the generation channel message of VTEP equipment 2, and the channel message is sent to VTEP equipment 1 by Multicast Tunnel a.
Wherein, the internal layer of the channel message is ICMP data, and outer layer is Multicast Tunnel head.
In Multicast Tunnel head, it is followed successively by from outside to inside：IP, UDP, VXLAN heads.UDP can include source port
Mark, destination interface mark, VXLAN can identify including VXLAN, for UDP, VXLAN heads, will not be repeated here.IP
Head can be including source IP address, source MAC, purpose IP address, target MAC (Media Access Control) address etc., and source IP address can be Multicast Tunnel a
The IP address 10.1.1.2 used in VTEP equipment 2, source MAC can be what Multicast Tunnel a was used in VTEP equipment 2
MAC-2, purpose IP address are multicast ip address, and target MAC (Media Access Control) address is multicast mac address.
Step 7, VTEP equipment 1 are created corresponding with Multicast Tunnel a after channel message is received by Multicast Tunnel a
Single tunnel 2.Wherein, the source IP address of the single tunnel 2 is the IP address that Multicast Tunnel a is used in VTEP equipment 1
13.1.1.1, source MAC is the MAC-1 that Multicast Tunnel a is used in VTEP equipment 1.And, purpose IP address are multicast tunnel
The IP address 10.1.1.2 that road a is used in VTEP equipment 2, target MAC (Media Access Control) address is used for Multicast Tunnel a in VTEP equipment 2
MAC-2.
In one example, VTEP equipment 1, can be from the tunnel after the channel message is received by Multicast Tunnel a
Multicast Tunnel head is parsed in message, and in the IP heads point of the Multicast Tunnel head, source IP address sets for Multicast Tunnel a in VTEP
The IP address 10.1.1.2 used on standby 2, source MAC is the MAC-2 that Multicast Tunnel a is used in VTEP equipment 2, therefore,
VTEP equipment 1 can parse IP address 10.1.1.2 and MAC-2 from the Multicast Tunnel head, and, the IP address
10.1.1.2 the purpose IP address of single tunnel 2 are can serve as, the MAC-2 can serve as the purpose MAC ground of single tunnel 2
Location.
In one example, VTEP equipment 1 can also get Multicast Tunnel a in VTEP from local VXLAN configurations
The IP address 13.1.1.1 used in equipment 1, and, the MAC-1 that Multicast Tunnel a is used in VTEP equipment 1, therefore, the IP
Address 13.1.1.1 can serve as the source IP address of single tunnel 2, and the MAC-1 can serve as the source MAC of single tunnel 2
Address.
In sum, VTEP equipment 1 can create single tunnel 2 corresponding with Multicast Tunnel a.
In one example, VTEP equipment 1 is after Multicast Tunnel a receives channel message, if the purpose of channel message
IP address (the IP address 10.1.1.2 of VTEP equipment 2) is identical with the source IP address of Multicast Tunnel a, the purpose MAC of channel message
(MAC-2 of VTEP equipment 2) is identical with the source IP address of Multicast Tunnel a for address, and VTEP equipment 1 can also be sent out to VTEP equipment 2
Send response message.
Step 8, VTEP equipment 2 parse outgoing packet 1 after message 2 is received by Multicast Tunnel a from the message 2,
And from the IP address A and/or the MAC-A of main frame 1 of the learning main frame 1 of message 1.
Step 9, VTEP equipment 2 record the IP address A of the main frame 1 and/or MAC-A of main frame 1 in forwarding-table item, and go out to connect
The corresponding relation of mouth, and the outgoing interface can be the information of the single tunnel 1.
Wherein, the forwarding-table item can include MAC address entries, ARP.If forwarding-table item is MAC address entries, in MAC table
The corresponding relations of the MAC-A with outgoing interface of main frame 1 is recorded in.If forwarding-table item is ARP, recorded in ARP
The corresponding relation of the IP address A, the MAC-A of main frame 1 and outgoing interface of main frame 1.As shown in table 1, it is an example of MAC address entries,
As shown in table 2, it is an example of ARP.Wherein, Tables 1 and 2 is an example, and this structure is not limited.
Table 1
| MAC Address | Outgoing interface |
| MAC-A | Single tunnel 1 |
Table 2
| IP address | MAC Address | Outgoing interface |
| IP address A | MAC-A | Single tunnel 1 |
Step 10, main frame 3 send message 3 to main frame 1, and the message 3 is unicast message, and based on the source IP address of message 3
The IP address B of machine 3, source MAC is the MAC-B of main frame 3.And, the purpose IP address of message 3 are the IP address A of main frame 1,
Target MAC (Media Access Control) address is the MAC-A of main frame 1.
Step 11, VTEP equipment 2 after the message 3 for receiving main frame 3, by purpose IP address (i.e. IP address A), purpose
Forwarding-table item shown in MAC Address (i.e. MAC-A) inquiry table 2, obtains being matched with the purpose IP address, the target MAC (Media Access Control) address
Outgoing interface, and the outgoing interface is single tunnel 1.
Step 12, VTEP equipment 2 send the message 3 by the single tunnel 1.Specifically, VTEP equipment 2 is the envelope of message 3
Dress single tunnel head, obtains message 4, and message 4 is sent into VTEP equipment 1 by single tunnel 1, in this transmission process
In, P equipment will not be replicated to message 4.
In one example, for the process of " VTEP equipment 2 is the encapsulation single tunnel of message 3 head ", the single tunnel head
It is followed successively by from outside to inside：IP, UDP, VXLAN heads.UDP can include source port mark, destination interface mark etc.,
VXLAN can include VXLAN marks etc., for UDP, VXLAN heads, will not be repeated here.IP can include source IP ground
The contents such as location, source MAC, purpose IP address, target MAC (Media Access Control) address, source IP address can be the source IP address of single tunnel 1
(10.1.1.2), source MAC can be the source MAC (MAC-2) of single tunnel 1, and purpose IP address can be unicast tunnel
The purpose IP address (13.1.1.1) in road 1, are not multicast ip address, and target MAC (Media Access Control) address can be the purpose MAC ground of single tunnel 1
Location (MAC-1), is not multicast mac address.
After step 13, VTEP equipment 1 receive message 4 from single tunnel 1, outgoing packet 3 is parsed from the message 4, and will
Message 3 is sent to main frame 1.So far, the transmitting procedure of message is completed.
Conceived based on the application same with the above method, the embodiment of the present application also provides a kind of message transmitting device, the report
Literary transmitting device is applied on local terminal edge device.The message transmitting device can be realized by software, it is also possible to by hardware
Or the mode of software and hardware combining is realized.It is by where it as the device on a logical meaning as a example by implemented in software
Local terminal edge device processor, corresponding computer program instructions are formed in reading non-volatile storage.From hardware
For aspect, as shown in figure 3, a kind of hardware configuration of the local terminal edge device where proposing message transmitting device for the application
Figure, except the processor shown in Fig. 3, in addition to nonvolatile memory, local terminal edge device can also include other hardware, such as be responsible for
Process forwarding chip, network interface, internal memory of message etc.；For from hardware configuration, the local terminal edge device be also possible to be point
Cloth equipment, potentially includes multiple interface cards, to carry out the extension of Message processing in hardware view.
As shown in figure 4, the structure chart of the message transmitting device proposed for the application, described device includes：
Generation module 11, for after first kind message is received by the Multicast Tunnel, from the first kind message
In parse the address information of source host, generate forwarding-table item using the address information of the source host, the forwarding-table item
Outgoing interface is the information of the corresponding single tunnel of the Multicast Tunnel；Wherein, the local terminal edge device is created the multicast
The corresponding single tunnel in tunnel, and the single tunnel is the list between the local terminal edge device and the end edges equipment
Broadcast tunnel；
Sending module 12, for after the Equations of The Second Kind message that purpose is the source host is received, by the Equations of The Second Kind
The destination address of message inquires about the forwarding-table item, obtains the outgoing interface matched with the destination address；If the outgoing interface for obtaining
It is the information of single tunnel, then the Equations of The Second Kind message is sent by the single tunnel.
In one example, described device also includes (not embodied in figure)：Creation module, for by the multicast
After tunnel receives first kind message, the address information of the end edges equipment is parsed from the first kind message, profit
Created and the Multicast Tunnel pair with the address information of the local terminal edge device and the address information of the end edges equipment
The single tunnel answered；Or, after the channel message that the end edges equipment sends is received by the Multicast Tunnel, from
The address information of the end edges equipment is parsed in the channel message, using the address information of the local terminal edge device
Single tunnel corresponding with the Multicast Tunnel is created with the address information of the end edges equipment；
Wherein, the source address of the single tunnel that the creation module is created is the address letter of the local terminal edge device
Breath, the destination address of the single tunnel is the address information of the end edges equipment；
The address information of the local terminal edge device be the Multicast Tunnel use for the local terminal edge device
Address information；The address information of the end edges equipment be the Multicast Tunnel use for the end edges equipment
Address information.
In one example, the generation module 11, is additionally operable to receiving first kind message by the Multicast Tunnel
Afterwards, if not being transmitted across first kind report to the end edges equipment by the Multicast Tunnel before the local terminal edge device
Text, then generate channel message；Wherein, the internal layer of the channel message is Internet Control Message Protocol ICMP data, and outer layer is group
Broadcast tunnel head；In the Multicast Tunnel head, source address information is the address information that uses of the Multicast Tunnel of this equipment；
The sending module 12, is additionally operable to send the channel message to end edges equipment by Multicast Tunnel, so that
End edges equipment creates single tunnel corresponding with the Multicast Tunnel according to the channel message.
In one example, the creation module, be additionally operable to create corresponding with Multicast Tunnel single tunnel it
Afterwards, it is that the single tunnel sets ageing timer；Before ageing timer time-out, every time by the single tunnel
When sending Equations of The Second Kind message, the ageing time of the ageing timer is updated；
In ageing timer time-out, then the single tunnel is deleted.
System, device, module or unit that above-described embodiment is illustrated, can specifically be realized by computer chip or entity,
Or realized by the product with certain function.A kind of typically to realize equipment for computer, the concrete form of computer can
Being personal computer, laptop computer, cell phone, camera phone, smart phone, personal digital assistant, media play
In device, navigation equipment, E-mail receiver/send equipment, game console, tablet PC, wearable device or these equipment
The combination of any several equipment.
For convenience of description, it is divided into various units with function during description apparatus above to describe respectively.Certainly, this is being implemented
The function of each unit can be realized in same or multiple softwares and/or hardware during application.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.And, the embodiment of the present application can be used and wherein include computer usable program code at one or more
The computer implemented in computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of program product.
The application is the flow with reference to method, equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram are described.It is generally understood that each in realizing flow chart and/or block diagram by computer program instructions
The combination of flow and/or square frame in flow and/or square frame and flow chart and/or block diagram.These computer journeys can be provided
Sequence instruction to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices processor with
Produce a machine so that being produced by the instruction of computer or the computing device of other programmable data processing devices is used for
The dress of the function that realization is specified in one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames
Put.
And, these computer program instructions can also be stored can guide computer or the treatment of other programmable datas to set
In the standby computer-readable memory for working in a specific way so that instruction of the storage in the computer-readable memory is produced
Manufacture including command device, the command device is realized in one flow of flow chart or multiple flows and/or block diagram one
The function of being specified in individual square frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer
Or the instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram
The step of function of being specified in one square frame or multiple square frames.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program product.
Therefore, the application can be using the implementation in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
The form of example.And, the application can be used and wherein include the calculating of computer usable program code at one or more
The computer implemented in machine usable storage medium (magnetic disk storage, CD-ROM, optical memory etc. can be included but is not limited to)
The form of program product.
Embodiments herein is the foregoing is only, the application is not limited to.For those skilled in the art
For, the application can have various modifications and variations.It is all any modifications made within spirit herein and principle, equivalent
Replace, improve etc., within the scope of should be included in claims hereof.
Claims (10)
1. a kind of message transmitting method, is applied to local terminal edge device, there is multicast tunnel between this equipment and end edges equipment
Road, it is characterised in that methods described includes：
After first kind message is received by Multicast Tunnel, the address letter of source host is parsed from the first kind message
Breath, forwarding-table item is generated using the address information of the source host, and the outgoing interface of the forwarding-table item is the Multicast Tunnel pair
The information of the single tunnel answered；Wherein, this equipment is created the corresponding single tunnel of the Multicast Tunnel, and the single tunnel is
Single tunnel between this equipment and the end edges equipment；
After the Equations of The Second Kind message that purpose is the source host is received, institute is inquired about by the destination address of the Equations of The Second Kind message
Forwarding-table item is stated, the outgoing interface matched with the destination address is obtained；If the outgoing interface for obtaining is the information of single tunnel, lead to
Cross the single tunnel and send the Equations of The Second Kind message.
2. method according to claim 1, it is characterised in that the source address of the single tunnel is the address letter of this equipment
Breath, the destination address of the single tunnel is the address information of the end edges equipment；The address information of this equipment is described
The address information for this equipment that Multicast Tunnel is used；The address information of the end edges equipment is that the Multicast Tunnel makes
For the address information of the end edges equipment.
3. method according to claim 1 and 2, it is characterised in that methods described also includes：
After first kind message is received by the Multicast Tunnel, the end edges are parsed from the first kind message
The address information of equipment, and using this equipment address information and the end edges equipment address information create with it is described
The corresponding single tunnel of Multicast Tunnel；Or,
After the channel message that the end edges equipment sends is received by the Multicast Tunnel, from the channel message
Parse the address information of the end edges equipment, and address information using this equipment and the end edges equipment
Address information creates single tunnel corresponding with the Multicast Tunnel.
4. method according to claim 1 and 2, it is characterised in that methods described also includes：
After first kind message is received by the Multicast Tunnel, if not by the Multicast Tunnel to described before this equipment
End edges equipment is transmitted across first kind message, then generate channel message；Wherein, the internal layer of the channel message is internet control
Message protocol ICMP data, outer layer is Multicast Tunnel head；In the Multicast Tunnel head, source address information is the described of this equipment
The address information that Multicast Tunnel is used；
The channel message is sent to the end edges equipment by the Multicast Tunnel, so that the end edges equipment root
Single tunnel corresponding with the Multicast Tunnel is created according to the channel message.
5. method according to claim 3, it is characterised in that
It is described create corresponding with Multicast Tunnel single tunnel after, methods described also includes：
For the single tunnel sets ageing timer；
Before ageing timer time-out, when sending Equations of The Second Kind message by the single tunnel every time, update described
The ageing time of ageing timer；
In ageing timer time-out, then the single tunnel is deleted.
6. method according to claim 1 and 2, it is characterised in that methods described is applied to expansible Virtual Local Area Network
The core duplicate network of VXLAN, the forwarding-table item includes media access control MAC address entries and/or ARP table
, the address information includes IP address and/or MAC Address.
7. a kind of message transmitting device, is applied to local terminal edge device, between the local terminal edge device and end edges equipment
There is Multicast Tunnel, it is characterised in that described device is specifically included：
Generation module, for after first kind message is received by the Multicast Tunnel, being parsed from the first kind message
Go out the address information of source host, forwarding-table item, the outgoing interface of the forwarding-table item are generated using the address information of the source host
It is the information of the corresponding single tunnel of the Multicast Tunnel；Wherein, the local terminal edge device is created the Multicast Tunnel pair
The single tunnel answered, and the single tunnel is the unicast tunnel between the local terminal edge device and the end edges equipment
Road；
Sending module, for after the Equations of The Second Kind message that purpose is the source host is received, by the Equations of The Second Kind message
Destination address inquires about the forwarding-table item, obtains the outgoing interface matched with the destination address；If the outgoing interface for obtaining is unicast
The information in tunnel, then send the Equations of The Second Kind message by the single tunnel.
8. device according to claim 7, it is characterised in that also include：
Creation module, for after first kind message is received by the Multicast Tunnel, being parsed from the first kind message
Go out the address information of the end edges equipment, using the address information and the end edges equipment of the local terminal edge device
Address information create corresponding with Multicast Tunnel single tunnel；Or, it is described being received by the Multicast Tunnel
After the channel message that end edges equipment sends, the address letter of the end edges equipment is parsed from the channel message
Breath, is created and the multicast tunnel using the address information of the local terminal edge device and the address information of the end edges equipment
The corresponding single tunnel in road；
Wherein, the source address of the single tunnel that the creation module is created is the address information of the local terminal edge device,
The destination address of the single tunnel is the address information of the end edges equipment；
The address information of the local terminal edge device is the address for the local terminal edge device that the Multicast Tunnel is used
Information；The address information of the end edges equipment is the address for the end edges equipment that the Multicast Tunnel is used
Information.
9. the device according to claim 7 or 8, it is characterised in that
The generation module, is additionally operable to after first kind message is received by the Multicast Tunnel, if described end margin sets
First kind message was not transmitted across to the end edges equipment by the Multicast Tunnel before standby, then generates channel message；Its
In, the internal layer of the channel message is Internet Control Message Protocol ICMP data, and outer layer is Multicast Tunnel head；In the multicast tunnel
In trace header, source address information is the address information that uses of the Multicast Tunnel of this equipment；
The sending module, is additionally operable to send the channel message to end edges equipment by Multicast Tunnel, so as to end edge
Edge equipment creates single tunnel corresponding with the Multicast Tunnel according to the channel message.
10. device according to claim 8, it is characterised in that
The creation module, is additionally operable to after single tunnel corresponding with the Multicast Tunnel is created, and is the single tunnel
Ageing timer is set；Before ageing timer time-out, when sending Equations of The Second Kind message by the single tunnel every time,
Update the ageing time of the ageing timer；
In ageing timer time-out, then the single tunnel is deleted.
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| CN201611247322.1A CN106878181A (en) | 2016-12-29 | 2016-12-29 | A kind of message transmitting method and device |
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| CN201611247322.1A CN106878181A (en) | 2016-12-29 | 2016-12-29 | A kind of message transmitting method and device |
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| CN109194559A (en) * | 2018-08-29 | 2019-01-11 | 迈普通信技术股份有限公司 | Method of multicasting and VTEP equipment |
| CN110445702A (en) * | 2019-07-09 | 2019-11-12 | 新华三技术有限公司合肥分公司 | A kind of message forwarding method and equipment |
| CN111526092A (en) * | 2020-03-18 | 2020-08-11 | 杭州迪普科技股份有限公司 | Multicast forwarding table updating method and device, electronic equipment and computer readable medium |
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| CN112636997A (en) * | 2020-11-17 | 2021-04-09 | 新华三技术有限公司 | Path detection method and device |
| CN112688887A (en) * | 2020-12-23 | 2021-04-20 | 新华三技术有限公司 | Tunnel configuration method and node equipment |
| CN113872847A (en) * | 2021-11-18 | 2021-12-31 | 浪潮思科网络科技有限公司 | Message forwarding method, device and medium based on VXLAN (virtual extensible local area network) |
| CN114915589A (en) * | 2021-02-10 | 2022-08-16 | 华为技术有限公司 | Message transmission method and device |
| CN115334037A (en) * | 2022-08-10 | 2022-11-11 | 杭州云合智网技术有限公司 | VXLAN multicast forwarding table item updating system method and system |
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| CN115334037A (en) * | 2022-08-10 | 2022-11-11 | 杭州云合智网技术有限公司 | VXLAN multicast forwarding table item updating system method and system |
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Application publication date: 20170620 |