CN108964940A - Message method and device, storage medium - Google Patents
Message method and device, storage medium Download PDFInfo
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- CN108964940A CN108964940A CN201710370318.2A CN201710370318A CN108964940A CN 108964940 A CN108964940 A CN 108964940A CN 201710370318 A CN201710370318 A CN 201710370318A CN 108964940 A CN108964940 A CN 108964940A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
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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
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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
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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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
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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
- H04L61/50—Address allocation
- H04L61/5069—Address allocation for group communication, multicast communication or broadcast communication
Abstract
The present invention provides a kind of message method and devices, storage medium, wherein the described method includes: BIER agent node obtains the position forwarding router mark BFR-ID information for the BIER encapsulation node connecting with the BIER agent node；The notice message for carrying the BFR-ID information is sent to other BIER nodes by the BIER agent node, by adopting the above technical scheme, it solves in the related technology, since BIER agreement does not have corresponding processing technique to virtual machine VM communication, and then the problem of limiting multicasting technology application, and then extend the application of multicasting technology.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of message method and device, storage medium.
Background technique
Multicasting technology is a kind of common network technology, needs to receive identical multicast service by a multicast group representative
One group of computer member, multicast source only needs to send the service traffics that a multicast group represents from transmitting terminal, passes through network
Device forwards eventually arrive at multicast member.The usual common agreement of IP multicast includes igmpinternet (Internet Group
Management Protocol, referred to as IGMP) and Protocol Independent Multicast (Protocol Independent Multicast,
Referred to as PIM).But the forwarding principle of IP multicast protocol is generated based on IP multicast group, if there is a large amount of multicast service, can be led
The intermediate network equipment is caused to need to save a large amount of multicast group state.
In recent years, data center (Data Center, referred to as DC) technology is with software defined network (Software
Defined Network, referred to as SDN) technology and network function virtualize (Network Function
Virtualization, referred to as NFV) technology development, obtained developing on a large scale very much.It is original to be divided by two layers of ethernet technology
Virtual subnet has the limitation of 4096 numbers, and data center passes through virtual expansible local area network (Virtual Extensible
Local Area Network, referred to as VxLAN), generic route encapsulation (Generic Routing Encapsulation, letter
Referred to as GRE) etc. overlay data encapsulation techniques be data center's internal network belong to the same virtual process identifications (Virtual
Network Identifier, referred to as VNI) virtual machine (Virtual Machine) between and virtual net ID in
Network communication is provided between VM and external node.VNI number can generally achieve million grades, and the VM in a VNI virtual net is removed
Outside unicast communication, it is also necessary to communicated by way of broadcast or multicast, such as video traffic or with file backup business,
Such data communication can be optimized by IP multicasting technology, but VNI huge amount, and each VNI needs a difference IP
The problem of multicast group carrys out differentiated service, equally encounters a large amount of multicast group states of the IP multicast in Web vector graphic.IETF position index
Displaying duplication (Bit Indexed Explicit Replication), referred to as BIER can be used for optimizing this virtual network
Cast communication the problem of, but BIER agreement does not have a corresponding processing technique to virtual machine VM communication, virtual machine communication and logical
Data network is variant, can be related to virtual switch and physical switches, and general data network mostly uses physics to set greatly
It is standby to be communicated.
For above-mentioned technical problem in the related technology, there is presently no effective solution schemes.
Summary of the invention
The embodiment of the invention provides a kind of message method and devices, storage medium, at least to solve the relevant technologies
Middle BIER agreement does not have corresponding processing technique to virtual machine VM communication, and then limits the problem of multicasting technology is applied.
According to one embodiment of present invention, a kind of message method is provided, comprising:
Position index displaying duplication (Bit Indexed Explicit Replication, referred to as BIER) agent node obtains
Take the position forwarding router mark BFR-ID information of the BIER connecting with BIER agent node encapsulation node；
The notice message for carrying the BFR-ID information is sent to other BIER nodes by the BIER agent node.
Optionally, BIER agent node obtains the BFR-ID letter for the BIER encapsulation node connecting with the BIER agent node
Breath, comprising:
The BIER agent node obtains the BFR-ID information from controller；Or
The BIER agent node obtains the BFR-ID information: multicast listener hair from least one protocol extension
Existing MLD agreement, group of networks manage IGMP agreement, Protocol Independent Multicast PIM agreement.
Optionally, the notice message for carrying the BFR-ID information is sent to other BIER by the BIER agent node
Before node, the method also includes:
The BIER agent node generates the notice message by specific mode, wherein carries in the notice message
There is BFR-ID information.
Optionally, the BIER agent node generates the notice message by specific mode, comprising:
The notice message: ospf OSPF, link state is generated at least through one of following agreement
Routing Protocol ISIS, Border Gateway Protocol (BGP), Babel agreement.
Optionally, the BFR-ID information includes at least BFR-ID, the BFR-ID information further include: sub-domain information, collection
Identification information, label information.
Optionally, other described BIER nodes include at least following one: BFR node, BIER agent node, position transfers
Mouth router BFER node, position forwarding entry router BFIR node.
According to another embodiment of the invention, a kind of message sending device is additionally provided, is applied to position index and shows again
BIER agent node processed, comprising: module is obtained, for obtaining the position of the BIER connecting with BIER agent node encapsulation node
Forwarding router identifies BFR-ID information；Sending module, for the notice message for carrying the BFR-ID information to be sent to
Other BIER nodes.
Optionally, the acquisition module, comprising: first acquisition unit, for obtaining the BFR-ID information from controller；
Or second acquisition unit, for obtaining the BFR-ID information: multicast listener discovery MLD from least one protocol extension
Agreement, group of networks manage IGMP agreement, Protocol Independent Multicast PIM agreement.
Optionally, described device further include: generation module, for generating the notice message by specific mode, wherein
BFR-ID information is carried in the notice message.
According to another embodiment of the invention, a kind of storage medium is additionally provided, the storage medium includes storage
Program, wherein method described in any of the above item is executed when described program is run.
Through the invention, since the notice message for carrying the BFR-ID information can be sent to by BIER agent node
Other BIER nodes, and then solve in the related technology, since BIER agreement does not have corresponding processing to virtual machine VM communication
Technology, and then the problem of multicasting technology is applied is limited, and then extend the application of multicasting technology.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of message method according to an embodiment of the present invention；
Fig. 2 is the flow chart according to the exemplary message method of the present invention；
Fig. 3 is according to the preferred embodiment of the present invention based on BIER network interconnection schematic diagram；
Fig. 4 is the BIER package structure diagram (one) according to the preferred embodiment of the present invention；
Fig. 5 is the IGMP protocol extension schematic diagram according to the embodiment of the present invention；
Fig. 6 is the BIER package structure diagram (two) according to the preferred embodiment of the present invention；
Fig. 7 is the BIER package structure diagram (three) according to the preferred embodiment of the present invention；
Fig. 8 is the virtual network schematic diagram realized by stacking (Overlay) technology according to the preferred embodiment of the present invention；
Fig. 9 is the workflow schematic diagram according to the controller of the preferred embodiment of the present invention；
Figure 10 is Cloud CO (Central Office) network diagram according to the preferred embodiment of the present invention；
Figure 11 is the structural block diagram of message sending device according to an embodiment of the present invention；
Figure 12 is the structural block diagram of the acquisition module 1102 of message sending device according to an embodiment of the present invention；
Figure 13 is another structural block diagram of message sending device according to an embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
Embodiment one
A kind of message method is provided in the present embodiment, and Fig. 1 is message sender according to an embodiment of the present invention
The flow chart of method, as shown in Figure 1, the process includes the following steps:
Step S102, BIER agency's (Proxy) node obtains the BIER encapsulation node connecting with the BIER agent node
Position forwarding router identify BFR-ID information；
The notice message for carrying the BFR-ID information is sent to other BIER section by step S104, BIER agent node
Point.
By above-mentioned each step, since BIER agent node can will carry the notice message of the BFR-ID information
Other BIER nodes are sent to, and then are solved in the related technology, since BIER agreement does not have accordingly virtual machine VM communication
Processing technique, and then limit multicasting technology application the problem of, and then be not necessarily to a large amount of IP multicast state, also extend multicast
The application of technology.
It should be noted that in embodiments of the present invention, BIER technology has service condition independence.Only according to BIER's
The number of BFER is related.Data center network generally comprises generic server and general switch routing device.General switch routing
BIER technology is enabled in equipment, is undertaken with the general switch routing device for needing the generic server of receiving multicast business to be connected
BFER function.The number of BFER determines BIER forwarding table size and performance.Thus and VNI number is unrelated.
Under some scenes, in the case of supporting virtual switch such as generic server, a generic server may be virtual
Multiple VM, and the forwarding between VM is provided by generic server virtual switch.This BIER realization has lost VM to VM and turns
The one-to-one visibility of hair is unfavorable for failure tracking and detection.
Optionally, BIER agent node obtains the BFR-ID letter for the BIER encapsulation node connecting with the BIER agent node
Breath, comprising:
The BIER agent node obtains the BFR-ID information from controller；Or
The BIER agent node obtains the BFR-ID information: multicast listener hair from least one protocol extension
Existing MLD agreement, group of networks manage IGMP agreement, Protocol Independent Multicast PIM agreement.
Optionally, the notice message for carrying the BFR-ID information is sent to other BIER by the BIER agent node
Before node, the method also includes:
The BIER agent node generates the notice message by specific mode, wherein carries in the notice message
There is BFR-ID information.
Optionally, the BIER agent node generates the notice message by specific mode, comprising:
The notice message: ospf OSPF, link state is generated at least through one of following agreement
Routing Protocol ISIS, Border Gateway Protocol (BGP), Babel agreement.
Optionally, the BFR-ID information includes at least BFR-ID, the BFR-ID information further include: sub-domain information, collection
Identification information, label information.
Optionally, other described BIER nodes include at least following one: BFR node, BIER agent node, position transfers
Mouth router BFER node, position forwarding entry router BFIR node.
Above-mentioned message transmission flow is explained below in conjunction with an example, but is not used in the restriction embodiment of the present invention
Technical solution, Fig. 2 is according to the flow chart of the exemplary message method of the present invention, as shown in Figure 2, comprising:
Step S202:BIER agent node obtains connected BIER sealed in unit BFR-id information, generates notice message.
Wherein, BIER agent node can directly acquire connected BIER by configuring BFR-ID information, or from controller
The BFR-id information of sealed in unit, or BFR-id information is obtained from by protocol extensions such as MLD/IGMP/PIM.
Wherein, the BIER sealed in unit BFR-id information that BIER agent node will be connected, is encapsulated into IGP or BGP etc.
In protocol massages.
Wherein, BIER agency generates notice message by the protocol extensions mode such as OSPF/ISIS/BGP/Babel, includes institute
All BIER sealed in unit BFR-id information and other relevant informations of link.
Further, BIER sealed in unit BFR-id and its corresponding BIER information include prefix information, and optional includes son
Domain information etc..
Step S204:BIER agent node sends announcement messages to other BIER nodes.
Wherein, when BIER agent node is advertised to other BIER nodes, the node of any support BIER forwarding, packet be can be
Include BFR node, same BIER agent node either BFER node.
In order to better understand above-mentioned message transmitting process, letter is carried out to above-mentioned technical proposal below in conjunction with preferred embodiment
Unitary declaration, but it is not used in the technical solution for limiting the embodiment of the present invention.
Fig. 3 is according to the preferred embodiment of the present invention based on BIER network interconnection schematic diagram, as shown in figure 3, BIER network
Node be mainly made of two class nodes, one kind is the Edge node positioned at edge, and Edge node sends multicast industry with to BIER
The node of business or reception are connected via the multicast service node that BIER is forwarded, and another kind of is only responsible forwarding, is forwarded using BIER
Principle forwarding multicasting business.
BIER network is that each Edge node divides one had in bit word string Bitstring, such as Edge 1- in figure
6 position forwarding router mark (Bit-Forwarding Router Identifier, referred to as BFR-ID) is bit word string
In one, BFR-ID is respectively configured as 1,2,3,4,5 and 6.Interior Gateway Protocol (Interior is used between BIER node
Gateway Protocol, referred to as IGP), such as ospf (Open Shortest Path First, letter
Referred to as OSPF) BRF-ID of each Edge node is propagated, so that each BIER node calculates the path between Edge, establish BIER
The BIER routing table and forwarding table of network, to make the node in all BIER networks that can reach each Edge node.
After BIER fringe node Edge 1 is received from the multicast message of endpoint 1, in former multicast message outer package BIER
Heading is transmitted using the encapsulation of BIER message, and the bit bit string (BitString) of BIER message encapsulation indicates other networks
Fringe node includes Edge3, Edge5 and Edge6.Edge 1 inquire forwarding table, discovery BFR1 be reach Edge3, Edge5 and
Message after encapsulation is sent to BFR1 by the neighbours of Edge6.After BFR1 and BFR2 node-node transmission, multicast data message is arrived
Up to Edge3, Edge5 and Edge6 node is sent to endpoint 2-4 after the decapsulation of Edge node.
Fig. 4 is the BIER package structure diagram according to the preferred embodiment of the present invention, as shown in figure 4, network shown in Fig. 4 is
A kind of special BIER network, the encapsulation of BIER message and decapsulation node are located at except BIER IGP network, BIER encapsulation and
Decapsulation node is not involved in BIER IGP routing.Here BIER encapsulation refers to decapsulation node to be encapsulated BIER message and unseals
The node of dress.Under this network scenarios, BIER encapsulation and decapsulation node also will increase in the domain BIER IGP in some cases,
Then these BIER encapsulation and decapsulation node in the domain BIER carry out BFR-ID using the implementation of original BIER agreement
It sends.
In Fig. 4, sending endpoint 1 is connected with BIER encapsulation node, and receiving endpoint 2-5 is connected with BIER decapsulation node.End
Point sends multicast protocol and multicast data message to BIER encapsulation node.The multicast protocol type that endpoint 1-5 is sent includes: multicast
Listener discovery (MLD, Multicast Listener Discover) agreement, Group Management Protocol (IGMP, Internet
Group Management Protocol) and PIM (Protocol Independent Multicast) agreement.BIER encapsulation
Node BFR-ID is 1, and the BFR-ID of decapsulation node 1 is 2, and the BFR-ID of decapsulation node 3 is 3, decapsulates the BFR- of node 4
ID is 4, decapsulates node, and 5 BFR-ID is 5.The BFR-ID of encapsulation and decapsulation node can be by under centralized control
Encapsulation and decapsulation node, such as network management configuration are issued, or is issued by centralized control agreement, such as Openflow or BGP agreement.
Between BIER encapsulation and decapsulation node and BIER agent node in some scenarios, multicast protocol, multicast are run
Agreement includes: multicast listener discovery (MLD, Multicast Listener Discover) agreement, Group Management Protocol
(IGMP, Internet Group Management Protocol) and PIM (Protocol Independent
Multicast) agreement.BIER encapsulation node carries BFR-ID in IGMP or MLD or PIM message and is sent to BIER agency's section
Point.Fig. 5 is the IGMP protocol extension schematic diagram according to the embodiment of the present invention.It, can also be with as shown in figure 5, in IGMP heading
Using existing Reserved field, selecting one (bit) to set one has BIER information to indicate subsequent；New word can also be defined
Section indicates.Also, the query message and report message of IGMP, can all increase BFR-ID, can also only report
(Report) increase in message, be also merely illustrative of here.
BIER agent node obtains the BFR-ID of be connected BIER encapsulation node or decapsulation node, according to BFR-ID and IGMP
Or the connected interface of MLD or PIM source IP confirmation BIER encapsulation node, generate BIER forwarding table.
BIER agent node by IGP or BGP or Babel protocol issuance to BFR nodes all in the domain BIER, in the domain BIER
Other BIER nodes establish BIER routing table and forwarding table.IGP agreement includes the agreements such as OSPF/ISIS.
OSPF/ISIS/BGP/BABEL protocol extension can realize by way of extending TLV, by BIER encapsulation or
The prefix information of decapsulation node is sent together with BFR-id information, as shown in Figure 6.
Because BIER encapsulation node and decapsulation node may and be not belonging to the same BIER subdomain, send prefix with
When BFR-id information, will increase sub-domain information also to distinguish, as shown in fig. 7, belong to the same subdomain NODE PREFIX and
Its BFR-id information can put together to reduce the duplicate quantity of sub-domain information.
In addition, in some scenarios, BIER, which is encapsulated, no may run multicast protocol between node and BIER agent node,
BIER agent node can be encapsulated by directly configuring connected BIER on BIER agency or the BFR-id of decapsulation node, or
Person directly issues BFR-id relevant information by controller and gives BIER agent node.BIER agent node obtains BFR-id and related letter
Breath is released news by IGP or BGP etc., establishes BIER routing table and forwarding table.
BIER encapsulate node 1 to from endpoint 1 multicast protocol and data message carry out BIER encapsulation after be transmitted to BIER
Agent node.BIER agency and other BFR nodes are forwarded according to the BIER forwarding table of foundation.
Fig. 8 is the virtual network schematic diagram realized by stacking (Overlay) technology according to the preferred embodiment of the present invention,
Virtual networking includes VXLAN (Virtual eXtensible Local Area Network), universal network virtualization envelope
Fill (GEVEVE, Generic Network Virtualization Encapsulation) etc..By taking VXLAN as an example, network mark
Knowing VNI (Virtual Network Identifier) is the mark for capableing of one virtual network of uniquely tagged, in physical network
On the logical network that is formed.Hypervisor in server node includes vSwitch, provides and is based on for virtual machine
VXLAN communication function.These hypervisor are the endpoints connecting with physical network, and are the endpoint of a tunnel of VXLAN network
VTEP。
Server receives a BUM (the Broadcast unicast Unknown Multicast) report of virtual machine transmission
Text, the server are the VTEP points of VXLAN network, which is encapsulated into the corresponding VXLAN network of the virtual machine.Together
When, which is BFIR (Ingress BFR) node in BIER network, BIER heading is further encapsulated, because only belonging to
It needs to receive in the virtual machine of the same virtual network, then the bit bit string BitString of BIER heading is only identified and the void
The Bit value of the connected BFER (Egress BFR) of quasi- machine, is then sent to the BFR node positioned at physical network, thus BFR node
The message is sent to BFER.
Under some scenes, it is also access gateway or core gateway that VXLAN network, which is not only that virtual machine provides logical subnetwork,
Logical subnetwork is provided.The data that core gateway is only denoted in Fig. 8 directly transmit the extranets of access gateway by physical network
Network equipment.In some scenarios, virtual machine may also need to receive the data of core gateway.BIER encapsulates node and is permitted according to virtual
It nets received demand, bit bit string is set, under certain scenes, although belonging to different VNI, require to receive identical multicast
Data can carry out the decapsulation node of selection BIER according to bit bit string.
Fig. 9 is the workflow schematic diagram according to the controller of the preferred embodiment of the present invention, basically illustrates control in Fig. 9
Device (SDN controller) controls BIER encapsulation, the virtual switch of decapsulation node, gateway and acts on behalf of section as BIER
The scene of the interchanger of point.
When Hypervisor enables (enable) or the VM being connected with Hypervisor creation or gateway accessing, SDN
Controller can be the virtual switch or gateway distribution BFR-ID 1,2,3 and 4 in Hypervisor.SDN
BFR-ID table includes the contrast relationship of Hypervisor or gateway IP prefix and BFR-ID in controller, or
The contrast relationship of Hypervisor or gateway IP prefix and BFR-ID, BIER general purpose I P multicast group.
SDN controller can issue a general BIER multicast group address, be triggered by virtual switch and gateway
IGMP or MLD agreement sends BFR-ID to the upstream Interface of virtual switch, so that the BIER of 1-4 is acted on behalf of on interchanger
Node 1-4 obtains BFR-ID the and IP prefix contrast relationship of connected virtual switch.IGMP or MLD agreement carries BFR-ID
Value.The interchanger being connected with upstream Interface receives the message that the SDN is issued or IGMP or MLD message, interchanger 1-4 conduct
BFR-ID in the message is associated by BIER agent node with interface, generates forwarding table.And BFR-ID is assisted by IGP
View or BGP are diffused to other BFR nodes.The mapping that the entire domain BIER can all receive BFR-ID and BIER agent node is closed
System, so that BIER routing table and BIER forwarding table are formed, BIER forwarding table are as follows: Bitstring and outgoing interface.
SDN controller can also send virtual switch 1 and 2, BFR-ID and prefix points of gateway 1 and 2 respectively
Give interchanger 1-4.Interchanger 1-4, will be in the message as the message that the SDN controller is issued on BIER agent node
BFR-ID be associated with interface, generate forwarding table.And BFR-ID is carried out by IGP agreement or BGP to other BFR nodes
Diffusion.The entire domain BIER can all receive the mapping relations of BFR-ID and BIER agency, to form BIER routing table and BIER turns
It delivers.
When VM is created, SDN controller can issue information required for BIER is encapsulated to virtual switch, by void
Quasi- interchanger generation BIER forwarding table, the Bitstring comprising the corresponding VNI network VTEP endpoint of the VM as BIER, virtually
The upstream Interface of interchanger is outgoing interface.SDN controller can also directly issue BIER forwarding table to virtual switch.
When having outside network device to be connected with gateway, SDN controller can be issued to gateway required for BIER encapsulation
Information or BIER forwarding table information.SDN controller determines the associated VM of outside network device and other gateways, determines
BIER decapsulates node.
Figure 10 is Cloud CO (Central Office) network diagram according to the preferred embodiment of the present invention, Cloud
CO network is usually located in operator's Metropolitan Area Network, provides broadband network for home network, enterprise network and virtual operator
Business.Cloud CO usually has two class multicast services, and one is home IPTV business, and one is enterprise network multicast service, enterprises
Netcom often provides the multicast services such as video conference, file transmission.
Cloud CO network generallys use centralized controller SDN controller and is forwarded control, and control protocol can
To be Openflow or BGP, Cloud CO network leaf interchanger and backbone switch operation support BIER function IGP or
Bgp protocol, leaf interchanger support BIER agent functionality.The hypervisor of server node is BIFR or BEFR node.
For home IPTV business, SDN controller is to be connected with the access of multicast service according to service deployment demand
Gateway, core gateway distribute BFR-ID.Access gateway in Cloud CO network receives IGMP or MLD report from home network
IGMP the or MLD message or related news are sent to SDN controller by text, access gateway, and SDN controller is core
Heart gateway and access gateway issue BIER forwarding table, and the IP prefix and BFR-ID of access gateway are sent to adjacent leaf and handed over
It changes planes, leaf interchanger will send the notice of the BFR-ID of access gateway and core gateway.
The interaction flow of core gateway and access gateway as shown in phantom in Figure 10, when core gateway is received from core
The flow of the IPTV of net side, if there is multiple access gatewaies, then the bit bit string at encapsulation BIER indicates that one or more connects
The bit of function Access Gateway.BIER message is transmitted to leaf interchanger, related spine switches and access gateway by core gateway.
For enterprise network multicast service, the access gateway of Cloud CO network receive IGMP, MLD from enterprise customer or
PIM message, then these messages are sent to the relevant vCPE of the enterprise customer, the group in outer net that vCPE is connected with core gateway
Group is broadcast to be connected.Other than access gateway and core gateway, the server hypervisor where vCPE is BIFR or BEFR.
SDN controller is that core gateway and access gateway issue BIER forwarding table, and by access gateway, core gateway, vCPE institute
Server hypervisor IP prefix and BFR-ID be sent to adjacent leaf interchanger, leaf interchanger connects transmission
The notice of the BFR-ID of function Access Gateway and core gateway.
Core gateway as shown in phantom in Figure 10 and the interactive process and access gateway of vCPE and interacting for vCPE
Journey has multiple vCPE to receive the flow, is then encapsulating when core gateway receives the enterprise network flux of multicast from core-network side
The bit of server hypervisor where BIER bit bit strings indicate one or more vCPE.Core gateway is by BIER
Message is transmitted to leaf interchanger, related spine switches and access gateway.Enterprise network multicast data flow is then then sent to by vCPE
The connected enterprise customer recipient of access gateway, bit bit string mark of the server hypervisor where vCPE at encapsulation BIER
Bright one or more access gateway.BIER message is transmitted to leaf interchanger, related master by server hypervisor where vCPE
Dry interchanger and access gateway.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical solution of the present invention is substantially in other words to existing
The part that technology contributes can be embodied in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal device (can be mobile phone, calculate
Machine, server or network equipment etc.) execute method described in each embodiment of the present invention.
Embodiment two
A kind of message sending device is additionally provided in the present embodiment, is applied to position index displaying duplication BIER agency's section
Point, the device is for realizing above-described embodiment and preferred embodiment, and the descriptions that have already been made will not be repeated.Make as following
, the combination of the software and/or hardware of predetermined function may be implemented in term " module ".Although the described dress of following embodiment
It sets and is preferably realized with software, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.
Figure 11 is the structural block diagram of message sending device according to an embodiment of the present invention, and as shown in figure 11, which includes:
Module 1102 is obtained, for obtaining the position forwarding routing of the BIER connecting with BIER agent node encapsulation node
Device identifies BFR-ID information；
Sending module 1104, for the notice message for carrying the BFR-ID information to be sent to other BIER nodes.
Above-mentioned technical proposal through the embodiment of the present invention, since BIER agent node can will carry the BFR-ID
The notice message of information is sent to other BIER nodes, and then solves in the related technology, since BIER agreement is to virtual machine VM
Communication does not have corresponding processing technique, and then limits the problem of multicasting technology is applied, and then extend the application of multicasting technology.
Figure 12 is the structural block diagram of the acquisition module 1102 of message sending device according to an embodiment of the present invention, such as Figure 12 institute
Show, optionally, obtains module 1102, comprising: first acquisition unit 11020, for obtaining the BFR-ID information from controller；
Or second acquisition unit 11022, for obtaining the BFR-ID information: multicast listener hair from least one protocol extension
Existing MLD agreement, group of networks manage IGMP agreement, Protocol Independent Multicast PIM agreement.
Figure 13 is another structural block diagram of message sending device according to an embodiment of the present invention, and optionally, described device is also
It include: generation module 1106, for generating the notice message by specific mode, wherein carried in the notice message
BFR-ID information.
According to another embodiment of the invention, a kind of storage medium is additionally provided, the storage medium includes storage
Program, wherein described program executes above-described message method when running.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Following manner realization is crossed, but not limited to this: above-mentioned module is respectively positioned in same processor；Alternatively, above-mentioned modules are with any
Combined form is located in different processors.
Embodiment three
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps:
S1, BIER agent node obtain the position forwarding router for the BIER encapsulation node connecting with the BIER agent node
Identify BFR-ID information；
The notice message for carrying the BFR-ID information is sent to other BIER nodes by S2, BIER agent node.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or
The various media that can store program code such as CD.
Optionally, the specific example in the present embodiment can be with reference to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of message method characterized by comprising
The position that position index displaying duplication BIER agent node obtains the BIER encapsulation node connecting with the BIER agent node turns
Send out Router Distinguisher BFR-ID information；
The notice message for carrying the BFR-ID information is sent to other BIER nodes by the BIER agent node.
2. connecting the method according to claim 1, wherein BIER agent node is obtained with the BIER agent node
The BFR-ID information of the BIER encapsulation node connect, comprising:
The BIER agent node obtains the BFR-ID information from controller；Or
The BIER agent node obtains the BFR-ID information: multicast listener discovery from least one protocol extension
MLD agreement, group of networks manage IGMP agreement, Protocol Independent Multicast PIM agreement.
3. the method according to claim 1, wherein the BIER agent node will carry the BFR-ID letter
The notice message of breath is sent to before other BIER nodes, the method also includes:
The BIER agent node generates the notice message by specific mode, wherein carries in the notice message
BFR-ID information.
4. according to the method described in claim 3, it is characterized in that, the BIER agent node passes through described in specific mode generation
Notice message, comprising:
The notice message: ospf OSPF, link state routing are generated at least through one of following agreement
Agreement ISIS, Border Gateway Protocol (BGP), Babel agreement.
5. method according to claim 1-4, which is characterized in that the BFR-ID information includes BFR-ID, institute
State BFR-ID information further include: sub-domain information, set identifier information, label information.
6. method according to claim 1-4, which is characterized in that other described BIER nodes include at least following
One of: BFR node, BIER agent node, position forward egress router BFER node, position forwarding entry router BFIR node.
7. a kind of message sending device, which is characterized in that be applied to position index displaying duplication BIER agent node, comprising:
Module is obtained, for obtaining the position forwarding router mark of the BIER connecting with BIER agent node encapsulation node
BFR-ID information；
Sending module, for the notice message for carrying the BFR-ID information to be sent to other BIER nodes.
8. device according to claim 7, which is characterized in that the acquisition module, comprising:
First acquisition unit, for obtaining the BFR-ID information from controller；Or
Second acquisition unit, for obtaining the BFR-ID information: multicast listener discovery from least one protocol extension
MLD agreement, group of networks manage IGMP agreement, Protocol Independent Multicast PIM agreement.
9. device according to claim 7, which is characterized in that described device further include:
Generation module, for generating the notice message by specific mode, wherein carry BFR-ID in the notice message
Information.
10. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein when described program is run
Method described in any one of perform claim requirement 1 to 6.
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| CN201710370318.2A CN108964940B (en) | 2017-05-23 | 2017-05-23 | Message sending method and device and storage medium |
| PCT/CN2018/087434 WO2018214809A1 (en) | 2017-05-23 | 2018-05-18 | Message transmission method and device, and storage medium |
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| CN201710370318.2A CN108964940B (en) | 2017-05-23 | 2017-05-23 | Message sending method and device and storage medium |
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| CN111385127A (en) * | 2018-12-29 | 2020-07-07 | 北京华为数字技术有限公司 | Intelligent processing system and method |
| CN111478853A (en) * | 2020-04-02 | 2020-07-31 | 广州市品高软件股份有限公司 | IPv6 route advertisement method and system based on SDN |
| WO2020173340A1 (en) * | 2019-02-26 | 2020-09-03 | 中兴通讯股份有限公司 | Bier-based bidirectional forwarding detection session creation method, bfir, bfer, system, and storage medium |
| CN112448876A (en) * | 2019-08-30 | 2021-03-05 | 中兴通讯股份有限公司 | Method and device for realizing message transmission |
| CN114615186A (en) * | 2022-03-25 | 2022-06-10 | 中国电信股份有限公司 | Multicast label distribution method, device and system and multicast router |
| CN115022232A (en) * | 2022-07-06 | 2022-09-06 | 中国联合网络通信集团有限公司 | Multicast group management method, device, equipment and storage medium |
| WO2022267056A1 (en) * | 2021-06-25 | 2022-12-29 | 新华三技术有限公司 | Route notification method and electronic device |
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| CN114338507B (en) * | 2021-12-23 | 2022-11-22 | 武汉绿色网络信息服务有限责任公司 | Method and device for changing traffic forwarding path in cloud gateway system |
| CN115883286B (en) * | 2022-11-29 | 2024-04-09 | 迈普通信技术股份有限公司 | IGMP message processing method, device, VTEP device and storage medium |
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| CN111385127A (en) * | 2018-12-29 | 2020-07-07 | 北京华为数字技术有限公司 | Intelligent processing system and method |
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| WO2020173340A1 (en) * | 2019-02-26 | 2020-09-03 | 中兴通讯股份有限公司 | Bier-based bidirectional forwarding detection session creation method, bfir, bfer, system, and storage medium |
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| WO2022267056A1 (en) * | 2021-06-25 | 2022-12-29 | 新华三技术有限公司 | Route notification method and electronic device |
| CN114615186A (en) * | 2022-03-25 | 2022-06-10 | 中国电信股份有限公司 | Multicast label distribution method, device and system and multicast router |
| CN115022232A (en) * | 2022-07-06 | 2022-09-06 | 中国联合网络通信集团有限公司 | Multicast group management method, device, equipment and storage medium |
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| WO2018214809A1 (en) | 2018-11-29 |
| CN108964940B (en) | 2022-04-29 |
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