CN102957589B - Method, network node and system for service data transmission - Google Patents

Method, network node and system for service data transmission Download PDF

Info

Publication number
CN102957589B
CN102957589B CN201110243182.1A CN201110243182A CN102957589B CN 102957589 B CN102957589 B CN 102957589B CN 201110243182 A CN201110243182 A CN 201110243182A CN 102957589 B CN102957589 B CN 102957589B
Authority
CN
China
Prior art keywords
business datum
trill
network
network node
vlan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201110243182.1A
Other languages
Chinese (zh)
Other versions
CN102957589A (en
Inventor
郝卫国
马亮亮
施震宇
历益舟
韩涛
鲁岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201110243182.1A priority Critical patent/CN102957589B/en
Priority to PCT/CN2012/080395 priority patent/WO2013026384A1/en
Publication of CN102957589A publication Critical patent/CN102957589A/en
Application granted granted Critical
Publication of CN102957589B publication Critical patent/CN102957589B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L45/38—Flow based routing
    • 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]
    • H04L12/4645—Details on frame tagging
    • H04L12/465—Details on frame tagging wherein a single frame includes a plurality of VLAN tags
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/14—Multichannel or multilink protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/26—Special purpose or proprietary protocols or architectures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

An embodiment of the invention discloses a method, a network node and a system for service data transmission, applies to a TRILL (transparent interconnection of lots of links) network, relates to the communication field and aims to divide different network topologies according to bearer service types and improve availability of link bandwidth. The method includes: searching a mapping strategy table according to data transmission types and acquiring a corresponding outer VLAN (virtual local area network); acquiring an alias destination of service data according to an inner VLAN and a service data destination address, and acquiring a transmission path of the service data in the TRILL network according to the alias destination and the outer VLAN; subjecting the service data to TRILL capsulation and outer ETH (Ethernet) capsulation, transmitting the data to a destination node of the service data through a transmission path; and allowing the destination node to de-capsulate the service data to obtain service data which is transmitted to corresponding user equipment. The method, network node and system are mainly applied to service data transmission.

Description

The method of business data transmission, network node and system
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method of business data transmission, network node and system.
Background technology
At Traditional IP (Internet Protocol, Internet protocol) in network, only there is a unicast topologies, so only safeguard a unicast forwarding table in IP network, so in the process of transfer of data, first obtaining MAC (Medium AccessControl, the medium access control) address of the next-hop node of transmission data by searching this unicast forwarding table, carrying out transfer of data according to described MAC Address.The transfer of data of all business datums, all adopts same route computing method to search this unique unicast forwarding table, obtains the transmission link needed for service data transmission.
TRILL (Transparent interconnection of Lots of Link, multilink transparent interconnection) is based on the Routing Protocol that Link State calculates on a kind of double layer network.ISIS (intermediatesystem to intermediate system, intermediate protocol is to intermediate protocol) can directly run based on link layer, so TRILL protocol can be realized by expansion ISIS, large two layers of networking can be realized by TRILL.But, the transfer of data of current TRILL network also adopts unicast topologies, all network nodes all safeguard an identical unicast forwarding table and multicast forward table, and whole network follows SPF (ShortestPath First, SPF) principle dispense path, may cause transmitting PHB (the Per-Hop Behavior needed for different kinds of business data, per hop behavior) part is identical, make the carrying of part transmission link in network overweight like this, and the carrying of other fractional transmission links kicks the beam, make the load imbalance of network transmission link, cause the waste of Internet resources, reduce the utilance of network.
Summary of the invention
An aspect of of the present present invention provides a kind of method of business data transmission, network node and system, is applied in TRILL network, can realizes the load balancing of network transmission link, reduce the waste of Internet resources, improve the utilance of network.
For achieving the above object, an aspect of of the present present invention adopts following technical scheme:
A method for business data transmission, is applied in TRILL network, comprises:
Receive the business datum that user terminal sends, the data parameters corresponding according to described business datum determines the outer virtual LAN VLAN transmitting described business datum;
Obtain the object another name of described business datum according to inner VLAN and described business datum destination address, and obtain the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN;
Described business datum is carried out multilink transparent interconnection TRILL encapsulate and outer Ethernet ETH encapsulate, described business datum is mapped in described outside VLAN;
Give the business data transmission through TRILL encapsulation and outer ETH encapsulation the network node that the destination address of described business datum is corresponding by described transmission path;
Carry out decapsulation through the business datum of TRILL encapsulation and ETH encapsulation described in the network node that described destination address is corresponding, obtain described business datum, the described business datum described decapsulation obtained sends to corresponding subscriber equipment.
A kind of Ingress Network node, is applied in TRILL network, comprises:
Receiving element, for receiving the business datum that user terminal sends;
Determining unit, determines for the data parameters corresponding according to described business datum the outer virtual LAN VLAN transmitting described business datum;
Acquiring unit, for obtaining the object another name of described business datum according to inner VLAN and described business datum destination address, and obtains the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN;
Map unit, for described business datum is carried out multilink transparent interconnection TRILL encapsulate and outer Ethernet ETH encapsulate, described business datum is mapped in described outside VLAN;
Transmitting element, for by described transmission path by through TRILL encapsulation and outer ETH encapsulate business data transmission to forward node so that described forward node will through TRILL encapsulation and outer ETH encapsulate business data transmission to correspondence egress network node.
A kind of transmission network node, is applied in TRILL network, comprises:
Receiving element, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream network node sends;
Resolution unit, for resolving the described business datum encapsulated through TRILL encapsulation and outer ETH, obtains the business datum through TRILL encapsulation;
Query unit, for obtaining the described business datum next-hop network address of node of transmission from described business data transmission path;
Encapsulation unit, for according to outer virtual LAN VLAN corresponding to described business datum, described business datum next-hop network address of node and described business datum egress network node, certificate is carried out to described business datum after TRILL encapsulation and carries out outer ETH encapsulation;
Transmitting element, for according to described next-hop network address of node, sends to described next-hop network node by the described business datum through TRILL encapsulation and ETH encapsulation.
A kind of egress network node, is applied in TRILL network, comprises:
Receiving element, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream node sends;
First resolution unit, for resolving the described business datum encapsulated through TRILL encapsulation and outer ETH, obtains the business datum through TRILL encapsulation;
Query unit, for obtaining the described business datum next-hop network address of node of transmission from described business data transmission path;
Second resolution unit, during for determining that described egress network node is the final jump network node transmitting described business datum in described query unit, resolves the business datum encapsulated through TRILL, obtains business datum;
Transmitting element, for sending to corresponding subscriber equipment by described business datum.
A system for business data transmission, is applied in TRILL network, comprises: Ingress Network node, transmission network node, egress network node;
Described Ingress Network node, for receiving the business datum that user terminal sends; The data parameters corresponding according to described business datum determines the outer virtual LAN VLAN transmitting described business datum; Obtain the object another name of described business datum according to inner VLAN and described business datum destination address, and obtain the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN; Described business datum is carried out multilink transparent interconnection TRILL encapsulate and outer Ethernet ETH encapsulate, business datum is mapped in described outside VLAN; By described transmission path by through TRILL encapsulation and outer ETH encapsulate business data transmission to forward node so that described forward node will through TRILL encapsulation and outer ETH encapsulate business data transmission to correspondence egress network node;
Described transmission network node, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream network node sends; The described business datum encapsulated through TRILL encapsulation and outer ETH is resolved, obtains the business datum through TRILL encapsulation; The described business datum next-hop network address of node of transmission is obtained from described business data transmission path; According to outer virtual LAN VLAN corresponding to described business datum, described business datum next-hop network address of node and described business datum egress network node, certificate is carried out to described business datum after TRILL encapsulation and carries out outer ETH encapsulation; According to described next-hop network address of node, the described business datum through TRILL encapsulation and ETH encapsulation is sent to described next-hop network node.
Described egress network node, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream node sends; The described business datum encapsulated through TRILL encapsulation and outer ETH is resolved, obtains the business datum through TRILL encapsulation; The described business datum next-hop network address of node of transmission is obtained from described business data transmission path; When egress network node is the final jump network node transmitting described business datum, the business datum encapsulated through TRILL is resolved, obtain business datum; Described business datum is sent to corresponding subscriber equipment.
In the technical scheme that one aspect of the present invention provides, utilize the outside VLAN in TRILL network, whole network is divided into multiple VLAN topological structure, the corresponding unicast forwarding table of each VLAN and multicast forward table, the data entered in TRILL network are corresponded in different VLANs by different business data type or different business data traffic, thus avoid all business datums entered in TRILL network all need inquiry same transmit, decrease the overlap of different business data type or different business data traffic transmission path, the carrying effectively alleviating part transmission link in network is overweight, and the problem that fractional transmission link bearer kicks the beam, make the load balancing of network transmission link, save Internet resources, add the utilance of network.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the method flow diagram of business data transmission in the embodiment of the present invention 1;
Fig. 2 is business data transmission schematic diagram in the embodiment of the present invention 1;
Fig. 3 is the method flow diagram of business data transmission in the embodiment of the present invention 2;
Fig. 4 is the composition frame chart of a kind of Ingress Network node in the embodiment of the present invention 3;
Fig. 5 is the composition frame chart of another kind of Ingress Network node in the embodiment of the present invention 3;
Fig. 6 is the composition frame chart of another kind of Ingress Network node in the embodiment of the present invention 3;
Fig. 7 is the composition frame chart of another kind of Ingress Network node in the embodiment of the present invention 3;
Fig. 8 is the composition frame chart of a kind of transmission network node in the embodiment of the present invention 3;
Fig. 9 is the composition frame chart of another kind of transmission network node in the embodiment of the present invention 3;
Figure 10 is the composition frame chart of a kind of egress network node in the embodiment of the present invention 3;
Figure 11 is the composition frame chart of another kind of egress network node in the embodiment of the present invention 3;
Figure 12 is the composition frame chart of service transmission system in the embodiment of the present invention 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
The embodiment of the present invention provides a kind of method of business data transmission, is applied in TRILL network, and as shown in Figure 1, the method comprises:
101, receive the business datum that user terminal sends, the data parameters corresponding according to described business datum determines the outside VLAN (Virtual Local Area Network, VLAN) transmitting described business datum.
Wherein, described outside VLAN is the many topology identifier of network, and the data parameters corresponding according to described business datum determines the outside VLAN transmitting described business datum, can adopt but be not limited to following method to realize, and concrete comprises:
Traffic data type according to the outside VLAN pre-seted and described business datum generates mapping policy table, or the business datum flow according to the outside VLAN pre-seted and described business datum collection generates mapping policy table, determines by query mappings Policy Table the outer virtual LAN VLAN transmitting described business datum.It should be noted that, before the execution embodiment of the present invention, predefine traffic data type or the business datum flow mapping policy table corresponding with outside VLAN.This mapping table generally comprises two fields, and this field is business datum parameter field and corresponding outside VLAN field.Such as, as shown in Figure 2 based on business data transmission schematic diagram, its according to the outside VLAN that pre-sets and mapping policy table corresponding to different business flow as shown in table 1, comprise business datum flow and corresponding outside VLAN two fields:
Data traffic (CE VLAN) Outside VLAN
100 10
200 20
... ...
Table 1
According to the outside VLAN pre-seted and mapping policy table corresponding to the traffic data type policy mappings table corresponding with the outside VLAN pre-seted and business datum flow similar, comprise traffic data type and corresponding outside VLAN two fields, the embodiment of the present invention will repeat no more herein.
102, obtain the object another name of described business datum according to inner VLAN and described business datum destination address, and obtain the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN.
Wherein, obtaining object another name according to the destination address of inner VLAN and business datum, is exactly the another name of object equipment for this object another name unicast message, is the multicast distribution tree tree root another name selected for this object another name multicast and broadcasting packet.
Concrete, obtain the object another name of described business datum according to inner VLAN and described business datum destination address, and the method for the transmission path of business datum described in TRILL network can be according to described object another name and the acquisition of described outside VLAN:
When the business datum received is known unicast message, destination address according to inner VLAN and described business datum inquires about two layers of unicast forwarding table, and the network node that wherein said two layers of unicast forwarding table comprise in TRILL network is called and inner VLAN network node address.If there is the destination address of described business datum in described two layers of unicast forwarding table, the destination node another name then obtaining described destination address corresponding is called as described object, again according to described outside VLAN and described object another name inquiry clean culture route forwarding table, obtain the transmission path of described business datum.If there is not the destination address of described business datum in described two layers of unicast forwarding table, then inquire about and call mapping table according to described inner VLAN inquiry inner VLAN and TRILL multicast distribution tree tree root, the TRILL multicast distribution tree tree root another name obtaining inner VLAN corresponding is called as described object, and transmit according to the Multicast Routing that described outside VLAN and object another name search TRILL network, obtain the transmission path of described business datum.
When the business datum received is unknown unicast, multicast or broadcasting packet, the destination address according to inner VLAN and described business datum inquires about second-layer multicast forwarding table, and wherein said second-layer multicast forwarding table comprises multicast address and multicast distribution tree tree root another name.Obtain TRILL network multicast distribution tree tree root another name to call as described object, and transmit according to the Multicast Routing that described outside VLAN and object another name search TRILL network, obtain the transmission path of described business datum.
Such as, as shown in table 2, this table is two layers of unicast forwarding table corresponding to inner VLAN in fig. 2, comprises the network node another name in TRILL network and inner VLAN network node address in described two layers of unicast forwarding table.When inquiry two layers of unicast forwarding table, according to the address entries in the destination address inquiry first row of business datum, in the another name item of secondary series, then obtain corresponding object another name.
Table 2
If there is the destination address of described business datum in two layers of unicast forwarding table that described outside VLAN is corresponding, then determine that the another name of the network node that the destination address of described business datum is corresponding is called as object according to described destination address; And according to described object another name query routing unicast forwarding table, obtain the transmission path of business datum described in TRILL network.If there is not the destination address of described business datum in two layers of unicast forwarding table that described outside VLAN is corresponding, then inquire about " inner VLAN and TRILL multicast distribution tree tree root call mapping table ", obtain distribution tree tree root another name as object another name, wherein only comprise inner VLAN in this table and call with corresponding distribution tree tree root.Then transmit according to distribution tree tree root another name inquiry Multicast Routing, obtain the transmission path of business datum described in TRILL network.
It should be noted that, need network node corresponding according to described destination address in advance and predetermined route selection algorithm, generate route forwarding table, concrete generation method can with reference to any one route selection method of the prior art, the embodiment of the present invention does not limit this, such as, this predetermined route selection algorithm is shortest path selection algorithm etc.
103, described business datum is carried out multilink transparent interconnection TRILL encapsulate and outer Ethernet ETH encapsulate, business datum is mapped in described outside VLAN.
104, give the business data transmission through TRILL encapsulation and outer ETH encapsulation the network node that the destination address of described business datum is corresponding by described transmission path.
Wherein, give the business data transmission through TRILL encapsulation and outer ETH encapsulation the network node that the destination address of described business datum is corresponding by described transmission path, can be realized by following method, the method comprises:
Next-hop network address of node is obtained, according to next-hop network address of node, by the business data transmission through TRILL encapsulation and outer ETH encapsulation to next-hop network node from described transmission path; The business datum encapsulated through TRILL encapsulation and outer ETH is transferred to network node corresponding to the destination address of described business datum after execution one or many above-mentioned forwarding process.
105, carry out decapsulation through the business datum of TRILL encapsulation and ETH encapsulation described in the network node that described destination address is corresponding, obtain described business datum, the described business datum described decapsulation obtained sends to corresponding subscriber equipment.
Particularly, after the network node that described destination address is corresponding receives business datum, discovery is final jump, and namely current network node address is identical with destination address.The described business datum through TRILL encapsulation and ETH encapsulation is carried out decapsulation, obtain described business datum, and the described business datum obtained by described deblocking sends to corresponding subscriber equipment from network node outlet.
In the technical scheme that the embodiment of the present invention provides, utilize the outside VLAN in TRILL network, whole network is divided into multiple VLAN topological structure, the corresponding unicast forwarding table of each VLAN and multicast forward table, the data entered in TRILL network are corresponded in different VLANs by different business data type or different business data traffic, thus avoid all business datums entered in TRILL network all need inquiry same transmit, decrease the overlap of different business data type or different business data traffic transmission path, the carrying effectively alleviating part transmission link in network is overweight, and the problem that fractional transmission link bearer kicks the beam, make the load balancing of network transmission link, save Internet resources, add the utilance of network.
Embodiment 2
The embodiment of the present invention provides a kind of method of business data transmission, is applied in TRILL network, and as shown in Figure 3, the method comprises:
201, on the interconnected network node port of TRILL network, according to the type of business datum or outside VLAN corresponding to the dissimilar business datum of the flow set of business datum, and mark corresponding for the outside VLAN of setting is sent to other network nodes carrying out with described network node communicating to connect.
202, the network node belonging to same outside VLAN is divided into groups, and for setting up communication link between network node adjacent in this group, and according to the communication link set up between predetermined route selection algorithm and described adjacent network node, the singlecast router of generation correspondence is transmitted and is transmitted with Multicast Routing.
Wherein, the subject of implementation of step 201 and step 202 can be each network node in TRILL network, comprises entrance network node, transmission network node, egress network node.When performing the present embodiment, corresponding each network node generates singlecast router and transmits and transmit with Multicast Routing.
Particularly, when described data retransmission form is clean culture, this transmits as singlecast router is transmitted, as shown in table 3, and this table is that the singlecast router of network node RB5 corresponding in outer VLAN=20 VLAN on Fig. 2 is transmitted.Singlecast router is transmitted and is comprised object another name, next-hop mac address and outbound port, so that step 204 inquires about clean culture route forwarding table when obtaining the transmission path of business datum according to outside VLAN and object another name.Concrete, according to the another name item of object another name inquiry first row, then obtain corresponding transmission path, i.e. next-hop mac address and outbound port.
Table 3
Particularly, when described data retransmission form is multicast, the network node choosing the maximum address in current VLAN is distribution tree tree root, to be calculated and cook up distribution tree by distribution tree tree root according to shortest path first, and ensureing does not have loop link to produce in distribution tree.And generate Multicast Routing to transmit, as shown in table 4, this table is that the Multicast Routing that the network node RB5 on Fig. 2 is corresponding in VLAN=20 VLAN is transmitted, comprise distribution tree tree root another name, next-hop mac address and outbound port, so that step 204 is transmitted according to outside VLAN and distribution tree tree root another name inquiry Multicast Routing when obtaining the transmission path of business datum.One of them distribution tree tree root another name can corresponding multiple next-hop mac address and outbound port, according to the another name item of distribution tree tree root another name inquiry first row, then obtains corresponding transmission path, i.e. next-hop mac address and outbound port.
Table 4
203, receive the business datum that user terminal sends, the data parameters corresponding according to described business datum determines the VLAN transmitting described business datum.
Wherein, receive the business datum that user terminal sends, the data parameters corresponding according to described business datum determines that the device of the VLAN transmitting described business datum can be Ingress Network node, concrete step describes can corresponding description in reference example 1 step 101, and the embodiment of the present invention will repeat no more herein.
204, obtain the object another name of described business datum according to inner VLAN and described business datum destination address, and obtain the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN.
Wherein, the device obtaining the transmission path of business datum in TRILL network can be Ingress Network node or transmission network node, and concrete method is described in detail in the step 102 of embodiment 1, and the embodiment of the present invention will repeat no more here.
205, described business datum is carried out multilink transparent interconnection TRILL encapsulate and outer Ethernet ETH encapsulate, described business datum is mapped in described outside VLAN.
Wherein, TRILL wrapper, containing the encapsulation described business datum carried out Ingress node another name and Egress node and call, enters node and Egress node with what determine business datum.Comprise outer VLAN identification in outer ETH encapsulation, business datum to be mapped in described outside VLAN, also comprise the per hop behavior PHB determining the different transmission path transmitting different kinds of business data, be i.e. the next hop address of each data retransmission.The device described business datum being carried out TRILL encapsulation and outer ETH encapsulation can be Ingress Network node.
206, from described transmission path, next-hop network address of node is obtained, and by the business data transmission that encapsulates through TRILL encapsulation and outer ETH to described next-hop network node, until by described business data transmission to network node corresponding to the destination address of described business datum.
Wherein, comprise in the transmission path of business datum: the outbound port of object another name, next-hop network address and business datum.Next-hop network node address is obtained, business datum is sent to the corresponding network equipment from outbound port by next-hop network address from transmission path.
Concrete, the flow process that TRILL encapsulation and outer ETH encapsulate in business data transmission process can be: business datum is carried out TRILL encapsulation by Ingress Network node and outer ETH encapsulates, and sends to next-hop network node; After transmission network node receives the business datum encapsulated through TRILL encapsulation and outer ETH, carry out outer ETH decapsulation and read during outer ETH encapsulates the information comprised, again carry out outer ETH encapsulation after determining next-hop network node, and send to next-hop network node; Business datum through TRILL encapsulation and ETH encapsulation is carried out decapsulation by egress network node, obtains described business datum.
207, carry out decapsulation through the business datum of TRILL encapsulation and ETH encapsulation described in the network node that described destination address is corresponding, obtain described business datum, the described business datum described decapsulation obtained sends to corresponding subscriber equipment.
Particularly, after the network node that described destination address is corresponding receives business datum, find that current network node address is identical with destination address, namely current network node is egress network node.The described business datum through TRILL encapsulation and ETH encapsulation is carried out decapsulation by egress network node, obtain described business datum, and the described business datum obtained by described deblocking sends to corresponding subscriber equipment from network node outlet.
In the technical scheme that the embodiment of the present invention provides, utilize the outside VLAN in TRILL network, whole network is divided into multiple VLAN topological structure, the corresponding unicast forwarding table of each VLAN and multicast forward table, the data entered in TRILL network are corresponded in different VLANs by different business data type or different business data traffic, thus avoid all business datums entered in TRILL network all need inquiry same transmit, decrease the overlap of different business data type or different business data traffic transmission path, the carrying effectively alleviating part transmission link in network is overweight, and the problem that fractional transmission link bearer kicks the beam, make the load balancing of network transmission link, save Internet resources, add the utilance of network.
Embodiment 3
The embodiment of the present invention provides a kind of Ingress Network node, is applied in TRILL network, and as shown in Figure 4, this Ingress Network node comprises: receiving element 31, determining unit 32, acquiring unit 33, map unit 34, transmitting element 35.
Receiving element 31, for receiving the business datum that user terminal sends.
Determining unit 32, determines for the data parameters corresponding according to described business datum the outer virtual LAN VLAN transmitting described business datum.Wherein, described data parameters can be the flow of traffic data type or business datum.This data parameters corresponding according to the described business datum that described receiving element 31 receives determines that the outer virtual LAN VLAN transmitting described business datum is specifically as follows: the traffic data type according to the outside VLAN pre-seted and described business datum generates mapping policy table, or the business datum flow according to the outside VLAN pre-seted and described business datum collection generates mapping policy table, determines by query mappings Policy Table the outer virtual LAN VLAN transmitting described business datum.
Acquiring unit 33, for obtaining the object another name of described business datum according to inner VLAN and described business datum destination address, and obtains the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN.
Map unit 34, for described business datum is carried out multilink transparent interconnection TRILL encapsulate and outer Ethernet ETH encapsulate, business datum is mapped in described outside VLAN.Enter node and Egress node with what determine business datum, and determine the per hop behavior PHB of the different transmission path transmitting different kinds of business data, be i.e. the next hop address of each data retransmission.
Transmitting element 35, for by described transmission path by through TRILL encapsulation and outer ETH encapsulate business data transmission to forward node so that described forward node will through TRILL encapsulation and outer ETH encapsulate business data transmission to correspondence egress network node.
Further, as shown in Figure 5, this Ingress Network node also comprises: setting unit 36, grouped element 37, link establishment unit 38 and generation unit 39.
Setting unit 36, determine to transmit the outside VLAN of described business datum for the data parameters corresponding according to described business datum in determining unit 32 before, on the port of the interconnected Ingress Network node of TRILL network, outside VLAN corresponding to dissimilar business datum is set according to the data parameters of business datum.Wherein, described data parameters is the flow of traffic data type or business datum.
Grouped element 37, for dividing into groups the network node belonging to same outside VLAN.
Link establishment unit 38, for for setting up communication link between network node adjacent in this group.Particularly, between adjacent network node, mark corresponding for the outside VLAN of setting is sent to by sending HELLO message form other network nodes carrying out with described network node communicating to connect, and the link that connects between described network node.
Generation unit 39, for according to the communication link set up between predetermined route selection algorithm and described adjacent network node, generates corresponding outside VLAN singlecast router and transmits and transmit with Multicast Routing.
Further, as shown in Figure 6, this acquiring unit 33 comprises: the first enquiry module 331, first acquisition module 332 and/or the second enquiry module 333, second acquisition module 334.
First enquiry module 331, for inquiring about two layers of unicast forwarding table according to the destination address of inner VLAN and described business datum, the network node that wherein said two layers of unicast forwarding table comprise in TRILL network is called and inner VLAN network node address.
First acquisition module 332, during for there is the destination address of described business datum in described two layers of unicast forwarding table, the destination node another name obtaining described destination address corresponding is called as described object, again according to described outside VLAN and described object another name inquiry clean culture route forwarding table, obtain the transmission path of described business datum.
Described first acquisition module 332, time also for there is not the destination address of described business datum in described two layers of unicast forwarding table, inquire about and call mapping table according to described inner VLAN inquiry inner VLAN and TRI LL multicast distribution tree tree root, the TRILL multicast distribution tree tree root another name obtaining inner VLAN corresponding is called as described object, and transmit according to the Multicast Routing that described outside VLAN and object another name search TRILL network, obtain the transmission path of described business datum.
Second enquiry module 333, for the destination address inquiry second-layer multicast forwarding table according to inner VLAN and described business datum, wherein said second-layer multicast forwarding table comprises multicast address and multicast distribution tree tree root another name.
Second acquisition module 334, calls as described object for obtaining TRILL network multicast distribution tree tree root another name, and transmits according to the Multicast Routing that described outside VLAN and object another name search TRILL network, obtains the transmission path of described business datum.
Further, as shown in Figure 7, this transmitting element 35 comprises: address acquisition module 351, sending module 352.
Address acquisition module 351, for obtaining next-hop network address of node from described transmission path
Sending module 352, for according to next-hop network address of node, gives the next-hop network node corresponding with described address by the business data transmission through TRILL encapsulation and outer ETH encapsulation.
It should be noted that, other of each functional module that the Ingress Network node provided in the embodiment of the present invention comprises describe, can corresponding description in reference example 1 and embodiment 2, and the embodiment of the present invention will repeat no more herein.
The embodiment of the present invention provides a kind of transmission network node, is applied in TRI LL network, and as shown in Figure 8, this transmission network node comprises: receiving element 41, resolution unit 42, query unit 43, encapsulation unit 44 and transmitting element 45.
Receiving element 41, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream network node sends.
Resolution unit 42, for resolving the described business datum encapsulated through TRILL encapsulation and outer ETH, obtains the business datum through TRILL encapsulation.
Query unit 43, for obtaining the described business datum next-hop network address of node of transmission from described business data transmission path.
Encapsulation unit 44, for according to outer virtual LAN VLAN corresponding to described business datum, described business datum next-hop network address of node and described business datum egress network node, certificate is carried out to described business datum after TRILL encapsulation and carries out outer ETH encapsulation.
Transmitting element 45, for according to described next-hop network address of node, sends to described next-hop network node by the described business datum through TRILL encapsulation and ETH encapsulation.
Further, as shown in Figure 9, this forwarded node also comprises: setting unit 46, grouped element 47, link establishment unit 48, generation unit 49.
Setting unit 46, for the port at described transmission network node, arranges outside VLAN corresponding to dissimilar business datum according to the data parameters of business datum.
Grouped element 47, for dividing into groups the network node belonging to same outside VLAN.
Link establishment unit 48, for for setting up communication link between network node adjacent in this group.
Generation unit 49, for according to the communication link set up between predetermined route selection algorithm and described adjacent network node, generates corresponding singlecast router and transmits and transmit with Multicast Routing.
It should be noted that, other of each functional module that the transmission network node provided in the embodiment of the present invention comprises describe, can corresponding description in reference example 1 and embodiment 2, and the embodiment of the present invention will repeat no more herein.
The embodiment of the present invention provides a kind of egress network node, is applied in TRILL network, and as shown in Figure 10, this node comprises: receiving element 51, first resolution unit 52, query unit 53, second resolution unit 54 and transmitting element 55.
Receiving element 51, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream node sends.
First resolution unit 52, for resolving the described business datum encapsulated through TRILL encapsulation and outer ETH, obtains the business datum through TRILL encapsulation.
Query unit 53, for obtaining the described business datum next-hop network address of node of transmission from described business data transmission path.
Second resolution unit 54, during for determining that described egress network node is the final jump network node transmitting described business datum in described query unit, resolves the business datum encapsulated through TRILL, obtains business datum.
Transmitting element 55, for sending to corresponding subscriber equipment by described business datum.
Further, as shown in figure 11, this egress network node also comprises: setting unit 56, grouped element 57, link establishment unit 58, generation unit 59.
Setting unit 56, for the port at described egress network node, arranges outside VLAN corresponding to dissimilar business datum according to the data parameters of business datum.
Grouped element 57, for dividing into groups the network node belonging to same outside VLAN.
Link establishment unit 58, for for setting up communication link between network node adjacent in this group.
Generation unit 59, for according to the communication link set up between predetermined route selection algorithm and described adjacent network node, generates corresponding singlecast router and transmits and transmit with Multicast Routing.
It should be noted that, other of each functional module that the egress network node provided in the embodiment of the present invention comprises describe, can corresponding description in reference example 1 and embodiment 2, and the embodiment of the present invention will repeat no more herein.
The embodiment of the present invention provides a kind of business data transmission system, is applied in TRILL network, and as shown in figure 12, this system comprises: Ingress Network node 61, transmission network node 62, egress network node 63.
Described Ingress Network node 61, for receiving the business datum that user terminal sends; The data parameters corresponding according to described business datum determines the outer virtual LAN VLAN transmitting described business datum; Obtain the object another name of described business datum according to inner VLAN and described business datum destination address, and obtain the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN; Described business datum is carried out multilink transparent interconnection TRILL encapsulate and outer Ethernet ETH encapsulate, described business datum is mapped in described outside VLAN; By described transmission path by through TRILL encapsulation and outer ETH encapsulate business data transmission to forward node so that described forward node will through TRILL encapsulation and outer ETH encapsulate business data transmission to correspondence egress network node;
Described transmission network node 62, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream network node sends; The described business datum encapsulated through TRILL encapsulation and outer ETH is resolved, obtains the business datum through TRILL encapsulation; The described business datum next-hop network address of node of transmission is obtained from described business data transmission path; According to outer virtual LAN VLAN corresponding to described business datum, described business datum next-hop network address of node and described business datum egress network node, certificate is carried out to described business datum after TRILL encapsulation and carries out outer ETH encapsulation; According to described next-hop network address of node, the described business datum through TRILL encapsulation and ETH encapsulation is sent to described next-hop network node.
Described egress network node 63, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream node sends; The described business datum encapsulated through TRILL encapsulation and outer ETH is resolved, obtains the business datum through TRILL encapsulation; The described business datum next-hop network address of node of transmission is obtained from described business data transmission path; When determining that described egress network node is the final jump network node transmitting described business datum, the business datum encapsulated through TRILL being resolved, obtaining business datum; Described business datum is sent to corresponding subscriber equipment.
It should be noted that, other of each functional module that the system of the business data transmission provided in the embodiment of the present invention comprises describe, can corresponding description in reference example 1, embodiment 2 and said apparatus, and the embodiment of the present invention will repeat no more herein.
In the technical scheme that the embodiment of the present invention provides, utilize the outside VLAN in TRILL network, whole network is divided into multiple VLAN topological structure, the corresponding unicast forwarding table of each VLAN and multicast forward table, the data entered in TRILL network are corresponded in different VLANs by different business data type or different business data traffic, thus avoid all business datums entered in TRILL network all need inquiry same transmit, decrease the overlap of different business data type or different business data traffic transmission path, the carrying effectively alleviating part transmission link in network is overweight, and the problem that fractional transmission link bearer kicks the beam, make the load balancing of network transmission link, save Internet resources, add the utilance of network.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in the storage medium that can read, as the floppy disk of computer, hard disk or CD etc., comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.

Claims (19)

1. a method for business data transmission, is applied in multilink transparent interconnection TRILL network, it is characterized in that, comprising:
Receive the business datum that user terminal sends, the data parameters corresponding according to described business datum determines the outer virtual LAN VLAN transmitting described business datum;
Obtain the object another name of described business datum according to inner VLAN and described business datum destination address, and obtain the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN;
Described business datum is carried out TRILL encapsulation and outer Ethernet ETH encapsulate, business datum is mapped in described outside VLAN;
Give the business data transmission through TRILL encapsulation and outer ETH encapsulation the network node that the destination address of described business datum is corresponding by described transmission path;
Carry out decapsulation through the business datum of TRILL encapsulation and ETH encapsulation described in the network node that described destination address is corresponding, obtain described business datum, the described business datum described decapsulation obtained sends to corresponding subscriber equipment.
2. the method for business data transmission according to claim 1, is characterized in that, determine to transmit the outside VLAN of described business datum in the data parameters corresponding according to described business datum before, the method also comprises:
On the network node port that TRILL network is interconnected, outside VLAN corresponding to dissimilar business datum is set according to the data parameters of business datum;
Mark corresponding for the outside VLAN of setting is sent to other network nodes carrying out with described network node communicating to connect;
The network node belonging to same outside VLAN is divided into groups, and for setting up communication link between network node adjacent in this group;
According to the communication link set up between predetermined route selection algorithm and described adjacent network node, the singlecast router of generation correspondence is transmitted and is transmitted with Multicast Routing.
3. the method for business data transmission according to claim 1 and 2, is characterized in that, described data parameters is the flow of traffic data type or business datum.
4. the method for business data transmission according to claim 3, is characterized in that, the described data parameters corresponding according to described business datum determines that the outside VLAN transmitting described business datum comprises:
The outside VLAN corresponding according to the dissimilar business datum pre-seted and data parameters corresponding to described business datum, determine the outside VLAN transmitting described business datum.
5. the method for business data transmission according to claim 4, it is characterized in that, the described object another name obtaining described business datum according to inner VLAN and described business datum destination address, and the transmission path of business datum described in TRILL network comprises according to described object another name and the acquisition of described outside VLAN:
Destination address according to inner VLAN and described business datum inquires about two layers of unicast forwarding table, and the network node that wherein said two layers of unicast forwarding table comprise in TRILL network is called and inner VLAN network node address;
If there is the destination address of described business datum in described two layers of unicast forwarding table, the destination node another name then obtaining described destination address corresponding is called as described object, again according to described outside VLAN and described object another name inquiry clean culture route forwarding table, obtain the transmission path of described business datum;
If there is not the destination address of described business datum in described two layers of unicast forwarding table, then inquiry inner VLAN and TRILL multicast distribution tree tree root call mapping table, the TRILL multicast distribution tree tree root another name obtaining inner VLAN corresponding is called as described object, and transmit according to the Multicast Routing that described outside VLAN and object another name search TRILL network, obtain the transmission path of described business datum.
6. the method for business data transmission according to claim 4, it is characterized in that, the described object another name obtaining described business datum according to inner VLAN and described business datum destination address, and the transmission path of business datum described in TRILL network is obtained according to described object another name and described outside VLAN, also comprise:
Destination address according to inner VLAN and described business datum inquires about second-layer multicast forwarding table, and wherein said second-layer multicast forwarding table comprises multicast address and multicast distribution tree tree root another name;
Obtain TRILL network multicast distribution tree tree root another name to call as described object, and transmit according to the Multicast Routing that described outside VLAN and object another name search TRILL network, obtain the transmission path of described business datum.
7. the method for the business data transmission according to claim 5 or 6, it is characterized in that, described by described transmission path by the business data transmission that encapsulates through TRILL encapsulation and outer ETH to network node corresponding to the destination address of described business datum, comprising:
Next-hop network address of node is obtained from described transmission path;
According to described next-hop network address of node, by the business data transmission that encapsulates through TRILL encapsulation and outer ETH to described next-hop network node, until by described business data transmission to network node corresponding to the destination address of described business datum.
8. an Ingress Network node, is applied in multilink transparent interconnection TRILL network, it is characterized in that, comprising:
Receiving element, for receiving the business datum that user terminal sends;
Determining unit, determines for the data parameters corresponding according to described business datum the outer virtual LAN VLAN transmitting described business datum;
Acquiring unit, for obtaining the object another name of described business datum according to inner VLAN and described business datum destination address, and obtains the transmission path of business datum described in TRILL network according to described object another name and described outside VLAN;
Map unit, for described business datum is carried out multilink transparent interconnection TRILL encapsulate and outer Ethernet ETH encapsulate, described business datum is mapped in described outside VLAN;
Transmitting element, for by described transmission path by through TRILL encapsulation and outer ETH encapsulate business data transmission to forward node so that described forward node will through TRILL encapsulation and outer ETH encapsulate business data transmission to correspondence egress network node.
9. Ingress Network node according to claim 8, is characterized in that, also comprise:
Setting unit, determine to transmit the outside VLAN of described business datum for the data parameters corresponding according to described business datum in determining unit before, on the port of the interconnected Ingress Network node of TRILL network, outside VLAN corresponding to dissimilar business datum is set according to the data parameters of business datum;
Grouped element, for dividing into groups the network node belonging to same outside VLAN;
Link establishment unit, for for setting up communication link between network node adjacent in this group;
Generation unit, for according to the communication link set up between predetermined route selection algorithm and described adjacent network node, generates corresponding singlecast router and transmits and transmit with Multicast Routing.
10. Ingress Network node according to claim 8 or claim 9, it is characterized in that, described data parameters is the flow of traffic data type or business datum.
11. Ingress Network nodes according to claim 10, it is characterized in that, described determining unit, for according to outside VLAN corresponding to the dissimilar business datum that pre-sets and data parameters corresponding to described business datum, determines the outside VLAN transmitting described business datum.
12. Ingress Network nodes according to claim 11, it is characterized in that, described acquiring unit comprises:
First enquiry module, for inquiring about two layers of unicast forwarding table according to the destination address of inner VLAN and described business datum, the network node that wherein said two layers of unicast forwarding table comprise in TRILL network is called and inner VLAN network node address;
First acquisition module, during for there is the destination address of described business datum in described two layers of unicast forwarding table, the destination node another name obtaining described destination address corresponding is called as described object, again according to described outside VLAN and described object another name inquiry clean culture route forwarding table, obtain the transmission path of described business datum;
Described first acquisition module, time also for there is not the destination address of described business datum in described two layers of unicast forwarding table, inquiry inner VLAN and TRILL multicast distribution tree tree root call mapping table, the TRILL multicast distribution tree tree root another name obtaining inner VLAN corresponding is called as described object, and transmit according to the Multicast Routing that described outside VLAN and object another name search TRILL network, obtain the transmission path of described business datum.
13. Ingress Network nodes according to claim 11, it is characterized in that, described acquiring unit also comprises:
Second enquiry module, for the destination address inquiry second-layer multicast forwarding table according to inner VLAN and described business datum, wherein said second-layer multicast forwarding table comprises multicast address and multicast distribution tree tree root another name;
Second acquisition module, calls as described object for obtaining TRILL network multicast distribution tree tree root another name, and transmits according to the Multicast Routing that described outside VLAN and object another name search TRILL network, obtains the transmission path of described business datum.
14. Ingress Network nodes according to claim 12 or 13, it is characterized in that, described transmitting element comprises:
Address acquisition module, for obtaining next-hop network address of node from described transmission path;
Sending module, for according to next-hop network address of node, gives the next-hop network node corresponding with described address by the business data transmission through TRILL encapsulation and outer ETH encapsulation.
15. 1 kinds of transmission network nodes, are applied in multilink transparent interconnection TRILL network, it is characterized in that, comprising:
Receiving element, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream network node sends;
Resolution unit, for resolving the described business datum encapsulated through TRILL encapsulation and outer ETH, obtains the business datum through TRILL encapsulation;
Query unit, for obtaining the described business datum next-hop network address of node of transmission from described business data transmission path;
Encapsulation unit, for according to outer virtual LAN VLAN corresponding to described business datum, described business datum next-hop network address of node and described business datum egress network node, certificate is carried out to described business datum after TRILL encapsulation and carries out outer ETH encapsulation;
Transmitting element, for according to described next-hop network address of node, sends to described next-hop network node by the described business datum through TRILL encapsulation and ETH encapsulation.
16. transmission network nodes according to claim 15, is characterized in that, also comprise:
Setting unit, for the port at described transmission network node, arranges outside VLAN corresponding to dissimilar business datum according to the data parameters of business datum;
Grouped element, for dividing into groups the network node belonging to same outside VLAN;
Link establishment unit, for for setting up communication link between network node adjacent in this group;
Generation unit, for according to the communication link set up between predetermined route selection algorithm and described adjacent network node, generates corresponding singlecast router and transmits and transmit with Multicast Routing.
17. 1 kinds of egress network nodes, are applied in multilink transparent interconnection TRILL network, it is characterized in that, comprising:
Receiving element, for receiving the business datum encapsulated through multilink transparent interconnection TRILL encapsulation and outer Ethernet ETH that upstream node sends;
First resolution unit, for resolving the described business datum encapsulated through TRILL encapsulation and outer ETH, obtains the business datum through TRILL encapsulation;
Query unit, for obtaining the described business datum next-hop network address of node of transmission from described business data transmission path;
Second resolution unit, during for determining that described egress network node is the final jump network node transmitting described business datum in described query unit, resolves the business datum encapsulated through TRILL, obtains business datum;
Transmitting element, for sending to corresponding subscriber equipment by described business datum.
18. egress network nodes according to claim 17, is characterized in that, also comprise:
Setting unit, for the port at described egress network node, arranges outside VLAN corresponding to dissimilar business datum according to the data parameters of business datum;
Grouped element, for dividing into groups the network node belonging to same outside VLAN;
Link establishment unit, for for setting up communication link between network node adjacent in this group;
Generation unit, for according to the communication link set up between predetermined route selection algorithm and described adjacent network node, generates corresponding singlecast router and transmits and transmit with Multicast Routing.
19. 1 kinds of business data transmission systems, are applied in multilink transparent interconnection TRILL network, it is characterized in that, comprising:
Ingress Network node according to any one of claim 8-14; With
Transmission network node as described in claim 15 or 16; With
Egress network node as described in claim 17 or 18.
CN201110243182.1A 2011-08-23 2011-08-23 Method, network node and system for service data transmission Active CN102957589B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201110243182.1A CN102957589B (en) 2011-08-23 2011-08-23 Method, network node and system for service data transmission
PCT/CN2012/080395 WO2013026384A1 (en) 2011-08-23 2012-08-21 Service data transmission method, network node and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110243182.1A CN102957589B (en) 2011-08-23 2011-08-23 Method, network node and system for service data transmission

Publications (2)

Publication Number Publication Date
CN102957589A CN102957589A (en) 2013-03-06
CN102957589B true CN102957589B (en) 2015-07-08

Family

ID=47745945

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110243182.1A Active CN102957589B (en) 2011-08-23 2011-08-23 Method, network node and system for service data transmission

Country Status (2)

Country Link
CN (1) CN102957589B (en)
WO (1) WO2013026384A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103501274B (en) * 2013-09-24 2017-09-12 神州数码网络(北京)有限公司 Flow load sharing method and device in a kind of multilink transparent internet
WO2015081542A1 (en) * 2013-12-05 2015-06-11 北京东土科技股份有限公司 Network service based configuration implementation method and system
CN104702506B (en) * 2013-12-09 2018-10-19 华为技术有限公司 A kind of message transmitting method, network node and message transfer system
CN103812749B (en) * 2014-01-24 2017-11-14 新华三技术有限公司 The method and apparatus that VLAN maps between a kind of data center's website
CN104811386B (en) * 2014-01-29 2018-03-16 华为技术有限公司 Message forwarding method, equipment and system
CN104811377B (en) * 2014-01-29 2018-09-07 华为技术有限公司 Generate the method and the network equipment of media access control table
CN105490957B (en) * 2014-10-11 2019-05-03 华为技术有限公司 A kind of load sharing method and device
CN105577416B (en) * 2014-10-17 2020-03-10 中兴通讯股份有限公司 Service function chain operation, management and maintenance method and node equipment
CN107370672A (en) * 2016-05-11 2017-11-21 华为技术有限公司 The method and device of Path selection
CN110351772B (en) 2018-04-08 2022-10-25 慧与发展有限责任合伙企业 Mapping between wireless links and virtual local area networks
CN108769285B (en) * 2018-05-24 2021-01-05 西安电子科技大学 Hierarchical addressing method for time-triggered Ethernet service
CN113014648B (en) * 2021-02-25 2022-04-29 北京邮电大学 Small node group dynamic forwarding hybrid routing method and related equipment
CN114222209A (en) * 2022-02-21 2022-03-22 北京国科天迅科技有限公司 Method and device for realizing routing of hybrid protocol switching network and network switching equipment
CN117478707A (en) * 2023-12-27 2024-01-30 天津数智物联科技有限公司 Multi-target energy management data transmission method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1866922A (en) * 2006-02-10 2006-11-22 华为技术有限公司 Control system and data message transmission method in Ethernet
CN101257452A (en) * 2008-04-16 2008-09-03 中兴通讯股份有限公司 Method for ether passive optical network access equipment to transmit downlink data packet
CN101827009A (en) * 2009-03-04 2010-09-08 丛林网络公司 Routing frames in a trill network using service vlan identifiers
CN102075438A (en) * 2011-02-14 2011-05-25 中兴通讯股份有限公司 Unicast data frame transmission method and device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100382531C (en) * 2005-10-28 2008-04-16 杭州华三通信技术有限公司 Switching in method for virtual special network and realizing apparatus
CN101064720A (en) * 2006-04-28 2007-10-31 华为技术有限公司 Method for improving base station access service stream
CN101110764A (en) * 2007-08-13 2008-01-23 中兴通讯股份有限公司 Method for Ethernet switchboard data frame partitioning virtual local area network and transmitting
US20110134802A1 (en) * 2009-12-09 2011-06-09 Cisco Technology, Inc. Determining A Routing Tree For Networks With Different Routing Protocols

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1866922A (en) * 2006-02-10 2006-11-22 华为技术有限公司 Control system and data message transmission method in Ethernet
CN101257452A (en) * 2008-04-16 2008-09-03 中兴通讯股份有限公司 Method for ether passive optical network access equipment to transmit downlink data packet
CN101827009A (en) * 2009-03-04 2010-09-08 丛林网络公司 Routing frames in a trill network using service vlan identifiers
CN102075438A (en) * 2011-02-14 2011-05-25 中兴通讯股份有限公司 Unicast data frame transmission method and device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TRILL与SPB之争导致网络业分裂;胡杨;《网络世界》;20110411;第1-3页 *

Also Published As

Publication number Publication date
CN102957589A (en) 2013-03-06
WO2013026384A1 (en) 2013-02-28

Similar Documents

Publication Publication Date Title
CN102957589B (en) Method, network node and system for service data transmission
KR102447132B1 (en) Multicast data transmission method, related device and system
CN104378297B (en) A kind of message forwarding method and equipment
EP3065358B1 (en) Method and device for message forwarding
EP2600573B1 (en) Method for transmitting addresses correspondence relationship in second-layer protocol using link status routing
US8989049B2 (en) System and method for virtual portchannel load balancing in a trill network
CN102971992B (en) Virtual special local area network equipment, networking component and data frame forwarding method
CN100596094C (en) Implementation method and switching device of multi-point to multi-point service
CN103534993B (en) Connect the system of selection of Tag switching route and the device in low-power network territory
CN102368727B (en) Crossed IP network TRILL network communication method, system thereof and devices
US20150023352A1 (en) Implement equal cost multiple path of trill network
CN102932254B (en) Message forwarding method and device
CN102075438B (en) unicast data frame transmission method and device
US20120163164A1 (en) Method and system for remote load balancing in high-availability networks
CN103873373A (en) Multicast data message forwarding method and equipment
CN102413061A (en) Message transmission method and equipment
KR20140119775A (en) Ip forwarding across a link state protocol controlled ethernet network
CN103209132B (en) In the interconnection of transparent multilink（TRILL）Method, the apparatus and system of multicast are realized in network
CN103944826A (en) Entry aggregation method in SPBM (shortest path bridging MAC mode) network and equipment
CN104243270A (en) Tunnel setup method and tunnel setup device
US8902794B2 (en) System and method for providing N-way link-state routing redundancy without peer links in a network environment
CN107317752A (en) A kind of method and device of forwarding data packets
CN103152265B (en) Message forwarding method and equipment in SPB (Shortest Path Bridge) network
CN105591927A (en) TRILL network-based message forwarding method and route bridge
WO2013023465A1 (en) Interconnection and intercommunication method for identity location separated network and traditional network, ilr and asr

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant