CN104683230B

CN104683230B - The treating method and apparatus of the translucent interconnection message of multi-link

Info

Publication number: CN104683230B
Application number: CN201310627268.3A
Authority: CN
Inventors: 胡中锋
Original assignee: Huawei Technologies Co Ltd
Current assignee: Guangdong Gaohang Intellectual Property Operation Co ltd; Haining hi tech Zone Science and Innovation Center Co.,Ltd.
Priority date: 2013-11-28
Filing date: 2013-11-28
Publication date: 2018-09-07
Anticipated expiration: 2033-11-28
Also published as: CN104683230A; WO2015078152A1

Abstract

The embodiment of the present invention provides a kind for the treatment of method and apparatus of the translucent interconnection message of multi-link.This method is suitable for TRILL network, which includes at least three RB, and this method includes：2nd RB receives the first TRILL messages that the first RB is sent；Wherein, it is the last two jump RB in the TRILL network that the first RB, which is forwarding network appliance Transit RB, the 2nd RB in the TRILL network,；2nd RB carries out TRILL decapsulations to the first TRILL messages, obtains the first user's message in the first TRILL messages；First user's message is sent to the 3rd RB by the 2nd RB, so that first user's message is transmitted to the first host interconnected with the 3rd RB by the 3rd RB；Wherein, the 3rd RB is to go out network equipment Egress RB in the TRILL network.Method provided in this embodiment reduces the complexity of TRILL network networking and the cost of networking.

Description

The treating method and apparatus of the translucent interconnection message of multi-link

Technical field

The present embodiments relate to a kind of processing sides of the translucent interconnection message of communication network technology more particularly to multi-link Method and device.

Background technology

The translucent interconnection of multi-link（Transparent Interconnection of Lots of Links, it is simple below Claim TRILL）Network is a kind of big double layer network technology, and in TRILL network, the forwarding of TRILL messages is to be based on road and bridge equipment Or the network equipment（Routing Bridge, hereinafter referred to as RB）Identification name（Nickname）, carried out by looking into TRILL forwarding tables Forward process；Wherein, a RB corresponds to unique Nickname.The format of TRILL messages can be regarded as by three-decker It constitutes, is TRILL headings, Nickname and user's message respectively successively from outside to inside；Wherein, TRILL headings packet Include the media access control of source RB（Media Access Control, hereinafter referred to as MAC）The MAC of address and next-hop RB Location；Nickname includes the Nickname of the Nickname and purpose RB of source RB；User's message includes the MAC Address of source host With the MAC Address of destination host.

In the prior art, it if host 1 needs to send user's message to host 2, needs by TRILL networks, it is assumed that should TRILL network is made of RB1, RB2 and RB3, then RB1 is into RB（Ingress RB）, RB2 be forwarding RB（Transit RB）、 RB3 is RB（Egress RB）.When RB1 receives user's message, which is packaged into TRILL messages, and learn The source MAC and target MAC (Media Access Control) address of the user's message are practised, and the TRILL messages are transmitted to RB3 via RB2, by RB3 pairs After the TRILL messages are decapsulated, it is reduced into user's message, passes through the plug-in network interconnection protocol gateway in the networks TRILL （Internet Protocol Gateway, hereinafter referred to as IP GW）The user's message restored is transmitted to host 2.

But the commercial chip of the prior art is during to TRILL Message processings, and for TRILL network, IP GW has to be deployed in outside TRILL network, could complete the forwarding of user's message, therefore can lead to the complexity and group of networking The increase of net cost.

Invention content

The embodiment of the present invention provides a kind for the treatment of method and apparatus of the translucent interconnection message of multi-link, to solve existing skill The big problem of the networking complexity brought and networking cost when user's message forwarding is completed in art.

First aspect of the embodiment of the present invention provides a kind of processing method of the translucent interconnection message of multi-link, is suitable for multichain Translucent interconnection TRILL network is connect, the TRILL network includes at least three network equipment RB, the method includes：

2nd RB receives the first TRILL messages that the first RB is sent；Wherein, the first RB is in the TRILL network Forwarding network appliance Transit RB, the 2nd RB is the last two jump RB in the TRILL network；

2nd RB carries out TRILL decapsulations to the first TRILL messages, obtains in the first TRILL messages The first user's message；

First user's message is sent to the 3rd RB by the 2nd RB, so that the 3rd RB is by first user Message is transmitted to the first host interconnected with the 3rd RB；Wherein, the 3rd RB is to go out network in the TRILL network Equipment Egress RB.

With reference to first aspect, in the first possible embodiment of first aspect, the 2nd RB receives the first RB Before the first TRILL messages sent, further include：

2nd RB receives the first request message that the 3rd RB is sent；Wherein, first request message is used for The 2nd RB is asked to carry out TRILL decapsulations to the first TRILL messages；

2nd RB sends the first response message to the 3rd RB.

The possible embodiment of with reference to first aspect the first, in second of possible embodiment of first aspect In, before the 2nd RB receives the first request message that the 3rd RB is sent, further include：

2nd RB and the 3rd RB carries out the last two jump pop-up capability negotiation, so that the 3rd RB knows institute State whether the 2nd RB has the ability that TRILL decapsulations are executed to the first TRILL messages.

With reference to first aspect any one of to second of possible embodiment of first aspect, the of first aspect In three kinds of possible embodiments, the user's message is sent to the 3rd RB by the 2nd RB, including：

2nd RB receives the 3rd RB that the 3rd RB is sent and is used according to second that first host is sent The mapping relations of the first MAC address and the 3rd RB of first host that family message learns；

First user's message is sent to the 3rd RB by the 2nd RB according to first MAC Address.

The third possible embodiment with reference to first aspect, in the 4th kind of possible embodiment of first aspect In, the 2nd RB carries out TRILL decapsulations to the first TRILL messages, obtains first in the first TRILL messages After user's message, further include：

2nd RB sends the of the second host of first user's message according to first user's message study Two MAC Address and the mapping relations for entering network equipment I ngress RB in TRILL network；

Second MAC Address is sent to the 3rd RB by the 2nd RB, so that the 3rd RB is by described first The second user message that host is sent is encapsulated as the 2nd TRILL messages；Wherein, the purpose mark name of the 2nd TRILL messages Nickname is the Ingress RB.

The 4th kind of possible embodiment with reference to first aspect, in the 5th kind of possible embodiment of first aspect In, after first user's message is sent to the 3rd RB by the 2nd RB, further include：

2nd RB receives the 2nd TRILL messages that the 3rd RB is sent；

The 2nd TRILL messages are transmitted to the first RB by the 2nd RB, so that the first RB is according to The 2nd TRILL messages are sent to the Ingress RB by the purpose Nickname of the 2nd TRILL messages, and are made described Ingress RB are sent to second host after carrying out TRILL decapsulations to the 2nd TRILL messages.

Second aspect of the embodiment of the present invention provides a kind of processing method of the translucent interconnection message of multi-link, is suitable for multichain Translucent interconnection TRILL network is connect, the TRILL network includes at least three network equipment RB, the method includes：

3rd RB receives the first user's message that the 2nd RB is sent；Wherein, first user's message is the 2nd RB Acquired message after the first TRILL messages progress TRILL decapsulations sent to the first RB；First RB is described Forwarding network appliance Transit RB, the 2nd RB in TRILL network are the last two jump in the TRILL network RB, the 3rd RB are to go out network equipment Egress RB in the TRILL network；

First user's message is sent to the first host interconnected with the 3rd RB by the 3rd RB.

In conjunction with second aspect, in the first possible embodiment of second aspect, the 3rd RB receives the 2nd RB Before the first user's message sent, further include：

3rd RB sends the first request message to the 2nd RB；Wherein, first request message is for asking 2nd RB carries out TRILL decapsulations to the first TRILL messages；

3rd RB receives the first response message that the 2nd RB is sent.

In conjunction with the first possible embodiment of second aspect, in second of possible embodiment of second aspect In, before the 3rd RB sends the first request message to the 2nd RB, further include：

3rd RB and the 2nd RB carries out the last two jump pop-up capability negotiation, so that the 3rd RB knows institute State whether the 2nd RB has the ability that TRILL decapsulations are carried out to the first TRILL messages.

In conjunction with any one of second of possible embodiment of second aspect to second aspect, the of second aspect In three kinds of possible embodiments, the 3rd RB receives the first user's message that the 2nd RB is sent, including：

3rd RB learns the first MAC of first host according to the second user message that first host is sent The mapping relations of address and the 3rd RB；

The mapping relations of first MAC Address of first host and the 3rd RB are sent to described second by the 3rd RB First user's message is sent to by RB so that the 2nd RB is known according to first MAC address 3rd RB；

3rd RB receives first user's message that the 2nd RB is sent.

In conjunction with the third possible embodiment of second aspect, in the 4th kind of possible embodiment of second aspect In, after the 3rd RB receives the first user's message that the 2nd RB is sent, further include：

3rd RB receives the second MAC Address that the 2nd RB is sent and enters the network equipment with TRILL network The mapping relations of Ingress RB；Wherein, second MAC Address is that the 2nd RB learns according to first user's message The MAC Address of second host of transmission first user's message arrived；

3rd RB is according to the mapping relations of second MAC Address and the Ingress RB by first host The second user message of transmission is encapsulated as the 2nd TRILL messages；Wherein, the purpose mark name of the 2nd TRILL messages Nickname is the Ingress RB；

The 2nd TRILL messages are sent to the 2nd RB by the 3rd RB, so that the 2nd RB is by described Two TRILL messages are transmitted to the first RB.

The third aspect of the embodiment of the present invention provides a kind of processing unit of the translucent interconnection message of multi-link, is suitable for multichain Translucent interconnection TRILL network is connect, the TRILL network includes at least three network equipment RB, and described device includes：

First receiving module, the first TRILL messages for receiving the first RB transmissions；Wherein, the first RB is described Forwarding network appliance Transit RB in TRILL network；

Decapsulation module obtains the first TRILL reports for carrying out TRILL decapsulations to the first TRILL messages The first user's message in text；

First sending module, for first user's message to be sent to the 3rd RB, so that the 3rd RB will be described First user's message is transmitted to the first host interconnected with the 3rd RB；Wherein, the 3rd RB is in the TRILL network Go out network equipment Egress RB.

In conjunction with the third aspect, in the first possible embodiment of the third aspect, described device further includes：

Second receiving module is used for before the first TRILL messages that first receiving module receives that the first RB is sent, Receive the first request message that the 3rd RB is sent；Wherein, first request message is for asking the decapsulation module TRILL decapsulations are carried out to the first TRILL messages；

Second sending module, for sending the first response message to the 3rd RB.

In conjunction with the first possible embodiment of the third aspect, in second of possible embodiment of the third aspect In, described device further includes：

Capability negotiation module, for second receiving module receive the first request message that the 3rd RB is sent it Before, it carries out the last two jump with the 3rd RB and pops up capability negotiation, so that the 3rd RB knows whether the 2nd RB has There is the ability that TRILL decapsulations are executed to the first TRILL messages；Wherein, the 2nd RB is in the TRILL network The last two jump RB.

In conjunction with any one of second of possible embodiment of the third aspect to the third aspect, the of the third aspect In three kinds of possible embodiments, first sending module, including：

First receiving unit, what the 3rd RB for receiving the 3rd RB transmissions was sent according to first host The mapping relations of the first MAC address and the 3rd RB of first host that second user message learns；

First transmission unit, for first user's message to be sent to the third according to first MAC Address RB。

In conjunction with the third possible embodiment of the third aspect, in the 4th kind of possible embodiment of the third aspect In, described device further includes：

Study module is obtained for carrying out TRILL decapsulations to the first TRILL messages in the decapsulation module After the first user's message in the first TRILL messages, sends described first according to first user's message study and use Second MAC Address of the second host of family message and the mapping relations for entering network equipment I ngress RB in TRILL network；

Third sending module, for second MAC Address to be sent to the 3rd RB, so that the 3rd RB is by institute The second user message for stating the transmission of the first host is encapsulated as the 2nd TRILL messages；Wherein, the purpose of the 2nd TRILL messages Identification name Nickname is the Ingress RB.

In conjunction with the 4th kind of possible embodiment of the third aspect, in the 5th kind of possible embodiment of the third aspect In, described device further includes：

Third receiving module, for first sending module by first user's message be sent to the 3rd RB it Afterwards, the 2nd TRILL messages that the 3rd RB is sent are received；

4th sending module, for the 2nd TRILL messages to be transmitted to the first RB, so that the first RB roots The 2nd TRILL messages are sent to the Ingress RB according to the purpose Nickname of the 2nd TRILL messages, and are made It obtains after the Ingress RB carry out TRILL decapsulations to the 2nd TRILL messages and is sent to second host.

Fourth aspect of the embodiment of the present invention provides a kind of processing unit of the translucent interconnection message of multi-link, is suitable for multichain Translucent interconnection TRILL network is connect, the TRILL network includes at least three network equipment RB, and described device includes：

First receiving module, the first user's message for receiving the 2nd RB transmissions；Wherein, first user's message is Acquired message after the first TRILL messages progress TRILL decapsulations that 2nd RB sends the first RB；Described One RB is that forwarding network appliance the Transit RB, the 2nd RB in the TRILL network are falling in the TRILL network Number second jumps RB；

First sending module, for first user's message to be sent to the first host interconnected with described device.

In conjunction with fourth aspect, in the first possible embodiment of fourth aspect, described device further includes：

Second sending module is used for before the first user's message that first receiving module receives that the 2nd RB is sent, The first request message is sent to the 2nd RB；Wherein, first request message is for asking the 2nd RB to described the One TRILL messages carry out TRILL decapsulations；

Second receiving module, the first response message sent for receiving the 2nd RB.

In conjunction with the first possible embodiment of fourth aspect, in second of possible embodiment of fourth aspect In, described device further includes：

Capability negotiation module is used for before second sending module sends the first request message to the 2nd RB, The last two jump is carried out with the 2nd RB and pops up capability negotiation, to know whether the 2nd RB has to described first TRILL messages carry out the ability of TRILL decapsulations.

In conjunction with any one of second of possible embodiment of fourth aspect to fourth aspect, the of fourth aspect In three kinds of possible embodiments, first receiving module, including：

Unit, the second user message for being sent according to first host learn the first of first host The mapping relations of MAC Address and the 3rd RB；Wherein, the 3rd RB is to go out network equipment Egress in the TRILL network RB；

Transmission unit, it is described for being sent to the mapping relations of the first MAC Address of first host and the 3rd RB 2nd RB sends out first user's message so that the 2nd RB is known according to first MAC address Give the 3rd RB；

Receiving unit, first user's message sent for receiving the 2nd RB.

In conjunction with the third possible embodiment of fourth aspect, in the 4th kind of possible embodiment of fourth aspect In, described device further includes：

Third receiving module is used for after the first user's message that first receiving module receives that the 2nd RB is sent, Receive the second MAC Address and the mapping relations for entering network equipment I ngress RB in TRILL network that the 2nd RB is sent； Wherein, second MAC Address is transmission first user that the 2nd RB learns according to first user's message The MAC Address of second host of message；

Package module, for according to the mapping relations of second MAC Address and the Ingress RB by described first The second user message that host is sent is encapsulated as the 2nd TRILL messages；Wherein, the purpose mark name of the 2nd TRILL messages Nickname is the Ingress RB；

Third sending module, for the 2nd TRILL messages to be sent to the 2nd RB, so that the 2nd RB will The 2nd TRILL messages are transmitted to the first RB.

The treating method and apparatus of the translucent interconnection message of multilink provided in an embodiment of the present invention, passes through TRILL network In penultimate RB（2nd RB）TRILL decapsulations are carried out instead of the first TRILL messages of Egress RB couple, obtain first User's message；And three layers of forwarding to the first user's message are completed by Egress RB, so as to avoid outside TRILL network Plug-in GW reduces the complexity and cost of networking.

Description of the drawings

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the flow chart of the processing method embodiment one of the translucent interconnection message of multi-link provided by the invention；

Fig. 2 is the structural schematic diagram one of the translucent internet of multi-link provided in an embodiment of the present invention；

Fig. 3 is the flow chart of the processing method embodiment two of the translucent interconnection message of multi-link provided by the invention；

Fig. 4 is the structural schematic diagram two for the translucent internet of multi-link that embodiment provided by the invention provides；

Fig. 5 is the flow chart of the processing method embodiment three of the translucent interconnection message of multi-link provided by the invention；

Fig. 6 is the flow chart of the processing method example IV of the translucent interconnection message of multi-link provided by the invention；

Fig. 7 is the flow chart of the processing method embodiment five of the translucent interconnection message of multi-link provided by the invention；

Fig. 8 is the flow chart of the processing method embodiment six of the translucent interconnection message of multi-link provided by the invention；

Fig. 9 is the flow chart of the processing method embodiment seven of the translucent interconnection message of multi-link provided by the invention；

Figure 10 is the flow chart of the processing method embodiment eight of the translucent interconnection message of multi-link provided by the invention；

Figure 11 is the structural schematic diagram of the processing unit embodiment one of the translucent interconnection message of multi-link provided by the invention；

Figure 12 is the structural schematic diagram of the processing unit embodiment two of the translucent interconnection message of multi-link provided by the invention；

Figure 13 is the structural schematic diagram of the processing unit embodiment three of the translucent interconnection message of multi-link provided by the invention；

Figure 14 is the structural schematic diagram of the processing unit example IV of the translucent interconnection message of multi-link provided by the invention；

Figure 15 is the structural schematic diagram of the processing unit embodiment five of the translucent interconnection message of multi-link provided by the invention；

Figure 16 is the structural schematic diagram of the processing unit embodiment six of the translucent interconnection message of multi-link provided by the invention；

Figure 17 is the structural schematic diagram of the processing unit embodiment seven of the translucent interconnection message of multi-link provided by the invention.

Specific implementation mode

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.

The present embodiments relate to method mainly support peer-to-peer network（Peer to Peer, abbreviation P2P）Topology, at this It is that physics is direct-connected under P2P topologys, between RB.

Fig. 1 is one flow chart of processing method embodiment of the translucent interconnection message of multi-link provided by the invention, and Fig. 2 is this The structural schematic diagram one for the translucent internet of multi-link that inventive embodiments provide.This method is suitable for TRILL network, should TRILL network includes at least three RB.The executive agent for the method that the present embodiment is related to can be in above-mentioned at least three RB Two RB.This method specifically includes：

S101：2nd RB receives the first TRILL messages that the first RB is sent；Wherein, the first RB is in TRILL network Forwarding network appliance（Transit RB）, the 2nd RB is the last two jump RB in TRILL network.

Specifically, the communication between host can be encapsulated by the TRILL inside TRILL network, forwarding reconciliation encapsulation process Etc. processes realize, include multiple RB in the TRILL network, the function that those RB are executed is not quite similar, such as：Enter the network equipment （Ingress RB）It is first RB that user's message enters in TRIULL networks, main function is to be packaged into user's message For TRILL messages；Forwarding network appliance（Transit RB）The main repeating process for executing TRILL messages in TRILL network；Go out The network equipment（Egress RB）It is the last one RB that TRILL messages are carried out to submitting TRILL network after TRILL decapsulations.

Referring to Fig. 2, when the second host needs the first user's message of itself being sent to the first host, to realize and first When communication between host, the second host sends the first user's message to the Ingress RB in TRILL network, the Ingress RB When receiving the first user's message, mac learning is carried out to the first user's message, that is, learns the source MAC of first user's message Address, that is, send the MAC Address of the second host of first user's message（Second MAC Address）, and with establishing the 2nd MAC The mapping relations of location and IngressRB.

Later, the first user's messages of Ingress RB couple carry out TRILL encapsulation, which is encapsulated into the One TRILL messages, and the Transit RB being transmitted in TRILL network, and between the Transit RB in the TRILL network It is forwarded.

S102：2nd RB carries out TRILL decapsulations to above-mentioned first TRILL messages, obtains the in the first TRILL messages One user's message.

Specifically, be forwarded between Transit RB of the above-mentioned first TRILL messages in TRILL network, and by the One RB is transmitted to the 2nd RB（2nd RB is the penultimate RB in TRILL network）, the 2nd RB is to the first TRILL messages TRILL decapsulations are carried out, the first user's message in the first TRILL messages is obtained.Optionally, only include 3 in TRILL network In the case of a RB, above-mentioned first RB can be Ingress RB, i.e. the first user's message that the second host is sent can be direct It is sent to the first RB, the process of TRILL encapsulation is completed by the first RB.

S103：Above-mentioned first user's message is sent to the 3rd RB by the 2nd RB, so that the 3rd RB reports above-mentioned first user Text is transmitted to the first host interconnected with the 3rd RB；Wherein, the 3rd RB is to go out network equipment Egress in TRILL network RB。

Should be noted that method provided in an embodiment of the present invention, the 3rd RB as the Egress RB in TRILL network, The forwarding of the first user's message can be executed, and the TRILL of the first TRILL messages is decapsulated by penultimate RB（Second RB）It executes；That is, method provided in an embodiment of the present invention by the RB in TRILL network complete jointly TRILL encapsulation, TRILL is decapsulated and the forwarding of user's message, i.e., three-layer network pass has been superimposed on Egress RB（Such as IP GW）Forwarding Processing capacity, without completing TRILL encapsulation and TRILL decapsulations by the RB inside TRILL network as the prior art, And the forwarding of user's message is completed by way of the plug-in gateway outside TRILL network, the complexity of networking is simplified, is saved Networking cost.In addition, TRILL decapsulations original Egress RB are replaced completing by the 2nd RB, Egress RB are merely responsible for using The forwarding of family message, thus the processing pressure on Egress RB is reduced, promote the performance of whole net.

The processing method of the translucent interconnection network packet of multilink provided in an embodiment of the present invention, by TRILL network Penultimate RB（2nd RB）TRILL decapsulations are carried out instead of the first TRILL messages of Egress RB couple, obtain the first user Message；And the forwarding to the first user's message is completed by Egress RB, so as to avoid the plug-in GW outside TRILL network, drop The low complexity and cost of networking.

Fig. 3 is the method flow diagram of the processing method embodiment two of the translucent interconnection message of multi-link provided by the invention, Fig. 4 is the structural schematic diagram two for the translucent internet of multi-link that embodiment provided by the invention provides, i.e. Fig. 4 is in Fig. 2 On the basis of the structure chart of specific TRILL network that shows, which includes the first RB, the 2nd RB and the 3rd RB Three network equipments；Wherein, the first RB and the 3rd RB is the edge device of TRILL network；2nd RB is Transit RB, is responsible for The forwarding of TRILL messages inside TRILL network.The method that the present embodiment is related to be by Egress RB in TRILL network with The last two jump RB carries out the specific mistake of negotiation and the last two jump the pop-up request and response of the last two jump pop-up ability Journey, the last two jump pop-up ability refer to that can penultimate RB replace Egress RB to report received TRILL Text executes the ability of TRILL decapsulations.Further, on the basis of embodiment shown in Fig. 1, before S101, this method is also Including：

S201：2nd RB receives the first request message that the 3rd RB is sent；Wherein, first request message is for asking the Two RB pairs of the first TRILL messages carry out TRILL decapsulations.

S202：2nd RB sends the first response message to the 3rd RB.

Specifically, whether needing the request of execution the last two jump pop-up and corresponding action, can also may be used taking human as specifying To pass through the association with other functions（Such as the configuration of IP GW）It automatically initiates.3rd RB needs to send the first request to the 2nd RB Message, first request message is for asking the 2nd RB pairs of the first TRILL message to carry out TRILL decapsulations；Later, the 2nd RB to 3rd RB sends the first response message, to inform that the 3rd RB oneself can replace the 3rd RB pairs of the first TRILL message to carry out TRILL Decapsulation.

Before above-mentioned S201, optionally, the above method can also include：2nd RB and the 3rd RB carry out the last two jump Capability negotiation is popped up, so that the 3rd RB knows whether the 2nd RB has the energy for executing TRILL decapsulations to the first TRILL messages Power.

Specifically, carrying out the negotiation of the last two jump pop-up ability, the ricochet second from the bottom between the 2nd RB and the 3rd RB Output capacity refers to whether the 2nd RB has the ability that TRILL decapsulations are carried out to the first TRILL messages, and the last two jump It completes to negotiate when establishing syntople between the RB in TRILL network of pop-up ability.

Optionally, the process of above-mentioned the last two jump capability negotiation, can be in Intermediate System-to-Intermediate System （Intermediate system to intermediate system, hereinafter referred to as ISIS）Hello in agreement（IIH）Report It is carried in text and interactive.Can be respectively there are two types of realization method：

The first：It can be by extending new label length value（Tag-Length-Value, hereinafter referred to as TLV）Come real It is existing.

Second：It is realized by using the Reserved fields in IIH messages.It is needed at this time using 3 bit's Reserved fields, a bit are used for the capability negotiation of the last two jump pop-up, other two bit is used for ricochet second from the bottom The request and response gone out.

Further, on the basis of the above embodiments, the user's message is sent to the 3rd RB by above-mentioned 2nd RB, tool Body includes：2nd RB receives first that the second user message that the 3rd RB that the 3rd RB is sent is sent according to the first host learns The mapping relations of the MAC Address of host and the 3rd RB；And the first user's message is sent to by the 3rd RB according to the first MAC Address.

Specifically, the 3rd RB can also receive the first host transmission second user message, the 3rd RB can learn this second The first MAC Address and the 3rd RB of the MAC Address of user's message, i.e. study to the first host for sending the second user message Mapping relations.The mapping relations of first MAC Address and the 3rd RB are synchronized to the 2nd RB by the 3rd RB so that the 2nd RB is to first After the decapsulation of TRILL messages, the first user's message is transmitted to by the 3rd RB according to the first MAC Address synchronized, and by the Three RB complete the L2/L3 forward process of standard, which is to be transmitted to the first user's message with the 3rd RB to connect The first host connect.

Optionally, the 2nd RB can also learn during being decapsulated to the first TRILL messages to the 3rd RB and first The mapping relations of first MAC Address of host are transmitted to the 3rd RB to solve the first user's message after TRILL encapsulation, And the L2/L3 forward process of standard is completed by the 3rd RB.

It should be noted that in the return flow of TRILL network, Egress RB originally become Ingress RB, former The Ingress RB come become Egress RB.TRILL network structure as shown in Figure 4, when the second host is sent out to the first host When sending the first user's message, the first RB is Ingress RB, and the 3rd RB is Egress RB；When the first host is led to second When machine sends second user message, the 3rd RB just becomes Ingress RB, and the first RB is Egress RB.

The processing method of the translucent interconnection network packet of multilink provided in an embodiment of the present invention, by TRILL network The negotiation that the last two jump pop-up ability is carried out between penultimate RB in Egress RB and TRILL network, works as TRILL When penultimate RB in network has the last two jump pop-up ability, carried out instead of the first TRILL messages of Egress RB couple TRILL is decapsulated, and obtains the first user's message；And the forwarding to the first user's message is completed by Egress RB, so as to avoid The plug-in GW outside TRILL network, reduces the complexity and cost of networking, while also reducing the processing on Egress RB Pressure.

Fig. 5 is the method flow diagram of the processing method embodiment three of the translucent interconnection message of multi-link provided by the invention. The method that the present embodiment is related to is that the penultimate RB in TRILL network needs to simulate Egress the first user's messages of RB couple MAC Address learnt, and close the mac learning on Egress RB to the first user's message.In the base of above-described embodiment On plinth, after S102, before S103, this method further includes：

S301：2nd RB learns to send the 2nd MAC of the second host of first user's message according to the first user's message The mapping relations of address and the Ingress RB in TRILL network.

S302：Second MAC Address is sent to the 3rd RB by the 2nd RB, so that the 3rd RB uses second that the first host is sent Family message is encapsulated as the 2nd TRILL messages；Wherein, the purpose mark name of the 2nd TRILL messages（Nickname）For Ingress RB。

Specifically, after the 2nd RB decapsulates the first TRILL messages received by itself, can be used according to first Mapping relations of the family message study to the second MAC Address and Ingress RB of the second host for sending first user's message.

With reference to the TRILL network structure in Fig. 4, when the second host sends the first user's message to the first host, here Ingress RB be above-mentioned first RB, then the 2nd RB according to the first user's message learn be exactly the second MAC Address and The mapping relations of first RB.It should be noted that at this time as closing original mac learning on the 3rd RB of Egress RB Process, because when the first user's message is issued three RB by the 2nd RB, received by the 3rd RB is not the report of TRILL encapsulation Text, the method involved in the embodiment of the present invention are served only for one-way flow, when Egress RB receive user's report of non-TRILL encapsulation When literary, without executing mac learning.

Second MAC Address is synchronized to the 3rd RB by the 2nd RB so that the 3rd RB will receive the first master in return flow The second user message that machine is sent is encapsulated into the 2nd TRILL messages, and by the purpose Nickname in the 2nd TRILL messages It is encapsulated as the first RB.Optionally, above-mentioned second MAC Address is synchronized to the 3rd RB in control layer, can be realized by extending TLV, Or it is interacted by terminal address（End Station Address Distribution Information, hereinafter referred to as ESADI）Protocol realization.

Fig. 6 is the method flow diagram of the processing method example IV of the translucent interconnection message of multi-link provided by the invention. The method that the present embodiment is related to is the processing procedure for the return flow in TRILL network.Specifically, in above-described embodiment On the basis of, after S103, this method further includes：

S401：2nd RB receives the 2nd TRILL messages that the 3rd RB is sent.

S402：2nd TRILL messages are transmitted to the first RB by the 2nd RB, so that the first RB is according to the 2nd TRILL messages 2nd TRILL messages are sent to Ingress RB by purpose Nickname, and make the 2nd TRILL messages of Ingress RB couple into It is sent to the second host after row TRILL decapsulations.

Specifically, after the first user's message is sent to three RB by above-mentioned 2nd RB, the 3rd RB is by first user Message is transmitted to the first host.Meanwhile the 3rd RB also receive the second user message of the first host transmission, therefore, the at this time The second user message is packaged into the 2nd TRILL messages by three RB, and the purpose Nickname of the TRILL messages is the TRILL nets The Ingress RB of the first user's message in network.

Later, the 2nd TRILL messages are sent to the 2nd RB by the 3rd RB.It should be noted that in TRILL network return When flow, the 2nd RB no longer executes the last two jump pop-up.The 2nd received TRILL messages are transmitted to first by the 2nd RB RB, and by the first RB Ingress RB are transmitted to by other Transit RB.At this point, the Ingress RB are actually to return Final jump RB when journey（Namely Egress RB at this time）, therefore the Ingress RB can also be such as institute in previous embodiment Description sends the request message that the last two jump is popped up to the Transit RB being adjacent, and is adjacent with request Transit RB replace oneself executing the decapsulation of the 2nd TRILL messages, to obtain second user message.As the Ingress RB After getting the second user message, according to the mapping relations of the second MAC Address of itself and the second host（In embodiment one One RB has learnt the mapping relations to the second MAC Address and the first RB）, which is transmitted to the second master Machine.

If likewise, TRILL network structure shown in Fig. 4, i.e., exactly the 2nd TRILL messages are transmitted to by the 2nd RB First RB, because the first RB is actually Ingress RB（Egress RB when being also return）.At this point, the first RB can be with The TRILL forward process of execution standard can also ask the 2nd RB pairs of the 2nd TRILL message to execute decapsulation, oneself is only carried out The forwarding of second user message.

Fig. 7 is the method flow diagram of the processing method embodiment five of the translucent interconnection message of multi-link provided by the invention, This method is suitable for TRILL network, which includes at least three RB.As shown in fig. 7, this method comprises the following steps：

S501：3rd RB receives the first user's message that the 2nd RB is sent；Wherein, which is the 2nd RB pairs Acquired message after the first TRILL messages progress TRILL decapsulations that first RB is sent；Above-mentioned first RB is TRILL network In Transit RB, the 2nd RB is the last two jump RB in TRILL network, and the 3rd RB is the Egress in TRILL network RB。

Specifically, can be with continued reference to TRILL network structure shown in Fig. 2, when the second host is needed itself first User's message is sent to the first host, with realize the first host between communication when, the second host send the first user's message to Ingress RB in TRILL network, the Ingress RB carry out the first user's message when receiving the first user's message Mac learning, that is, learn the source MAC of first user's message, that is, send the second host of first user's message MAC Address（Second MAC Address）, and establish the mapping relations of the second MAC Address and Ingress RB.

Later, the first user's messages of Ingress RB couple carry out TRILL encapsulation, which is encapsulated into the One TRILL messages, and the Transit RB being transmitted in TRILL network, and between the Transit RB in the TRILL network It is forwarded and passes through the first RB and be transmitted to the 2nd RB（2nd RB is the penultimate RB in TRILL network）, the 2nd RB TRILL decapsulations are carried out to the first TRILL messages, obtain the first user's message in the first TRILL messages.

Optionally, in the case where above-mentioned TRILL network shown in Fig. 4 only includes 3 RB, above-mentioned first RB can be The first user's message that Ingress RB, i.e. the second host are sent can be transmitted directly to the first RB, and TRILL is completed by the first RB The process of encapsulation.

S502：Above-mentioned first user's message is sent to the first host interconnected with the 3rd RB by the 3rd RB.

Should be noted that method provided in an embodiment of the present invention, the 3rd RB as the Egress RB in TRILL network, The forwarding of the first user's message can be executed, and the TRILL of the first TRILL messages is decapsulated by penultimate RB（Second RB）It executes；That is, method provided in an embodiment of the present invention by the RB in TRILL network complete jointly TRILL encapsulation, TRILL is decapsulated and the forwarding of user's message, i.e., three-layer network pass has been superimposed on Egress RB（Such as IP GW）Forwarding Processing capacity, without completing TRILL encapsulation and TRILL decapsulations by the RB inside TRILL network as the prior art, And the forwarding of user's message is completed by way of the plug-in gateway outside TRILL network, the complexity of networking is simplified, is saved Networking cost.In addition, TRILL encapsulation original Egress RB is replaced completing by the 2nd RB, Egress RB are merely responsible for user The forwarding of message, thus the processing pressure on Egress RB is reduced, promote the performance of whole net.

Fig. 8 is the flow of the processing method embodiment six of the translucent interconnection message of multilink provided in an embodiment of the present invention Figure, the method that the present embodiment is related to are to carry out the last two jump by Egress RB and the last two jump RB in TRILL network The detailed process of the negotiation of pop-up ability, the last two jump pop-up ability refer to that can penultimate RB replace Egress RB executes received TRILL messages the ability of TRILL decapsulations.Further, the basis of embodiment shown in Fig. 7 On, before S501, this method further includes：

S601：3rd RB sends the first request message to the 2nd RB；Wherein, first request message is for asking the 2nd RB TRILL decapsulations are carried out to the first TRILL messages.

S602：3rd RB receives the first response message that the 2nd RB is sent.

Specifically, whether need to execute the action of the last two jump pop-up, can taking human as specified, can also by and other The association of function（Such as the configuration of IP GW）It automatically initiates.3rd RB needs to send the first request message to the 2nd RB, this first is asked Ask message for ask the 2nd RB pairs of the first TRILL message progress TRILL decapsulations；Later, the 2nd RB sends the to the 3rd RB One response message, to inform that the 3rd RB oneself can replace the 3rd RB pairs of the first TRILL message to carry out TRILL decapsulations.

Optionally, the process of above-mentioned the last two jump capability negotiation, can be in the Hello in ISIS agreements（IIH）Message Middle carrying and interaction.Can be respectively there are two types of realization method：

The first：It can be realized by extending new TLV.

On the basis of the above embodiments, above-mentioned 3rd RB receives the first user's message that the 2nd RB is sent, and specifically includes： The mapping that 3rd RB learns the first MAC Address and the 3rd RB of the first host according to the second user message that the first host is sent is closed System；And the mapping relations of the first MAC Address of the first host and the 3rd RB are sent to the 2nd RB, so that the 2nd RB is according to first MAC Address is known is sent to the 3rd RB by the first user's message；3rd RB receives the first user's message that the 2nd RB is sent.

Specifically, the 3rd RB can also receive the first host transmission second user message, the 3rd RB can learn this second The first MAC Address and the 3rd RB of the MAC Address of user's message, i.e. study to the first host for sending the second user message Mapping relations.The mapping relations of first MAC Address and the 3rd RB are synchronized to the 2nd RB by the 3rd RB so that the 2nd RB is to first After the decapsulation of TRILL messages, the first user's message is transmitted to by the 3rd RB according to the first MAC Address synchronized, thus the Three RB have been received by the first user's message, and the first user's message is transmitted to the first host being connect with the 3rd RB.

Fig. 9 is the flow chart of the processing method embodiment seven of the translucent interconnection message of multilink provided by the invention, this reality It is the second host that the 3rd RB receives that the 2nd RB that the 2nd RB is sent learns according to the first user's message to apply the method that example is related to The second MAC Address and Ingress RB mapping relations process.It on the basis of the above embodiments, should after S502 Method further includes：

S701：3rd RB receives the mapping of the second MAC Address and the Ingress RB in TRILL network that the 2nd RB is sent Relationship；Wherein, which is above-mentioned first user's message of transmission that the 2nd RB learns according to the first user's message The MAC Address of second host.

Specifically, after the 2nd RB decapsulates the first TRILL messages received by itself, can be used according to first Mapping relations of the family message study to the second MAC Address and Ingress RB of the second host for sending first user's message. With continued reference to the TRILL network structure in Fig. 4, when the second host sends the first user's message to the first host, here Ingress RB are above-mentioned first RB, then what the 2nd RB learnt according to the first user's message is exactly the second MAC Address and The mapping relations of one RB.It should be noted that at this time as closing original mac learning on the 3rd RB of Egress RB Journey, because when the first user's message is issued three RB by the 2nd RB, received by the 3rd RB is not the report of TRILL encapsulation Text, the method involved in the embodiment of the present invention are served only for one-way flow, when Egress RB receive user's report of non-TRILL encapsulation When literary, without executing mac learning.

S702：3rd RB the first host is sent according to the mapping relations of the second MAC Address and Ingress RB second User's message is encapsulated as the 2nd TRILL messages；Wherein, the purpose Nickname of the 2nd TRILL messages is Ingress RB.

Specifically, the mapping relations of the second MAC Address and Ingress RB are synchronized to the 3rd RB by the 2nd RB so that third The second user message that the first host received is sent is encapsulated into the 2nd TRILL messages by RB, and the 2nd TRILL is reported Purpose Nickname in text is encapsulated as Ingress RB.If TRILL network structure shown in Fig. 4, then the 2nd TRILL The purpose Nickname of message is exactly the first RB.

S703：2nd TRILL messages are sent to the 2nd RB by the 3rd RB, so that the 2nd RB forwards the 2nd TRILL messages To the first RB.

Specifically, the 2nd TRILL messages are sent to the 2nd RB by the 3rd RB.It should be noted that being returned in TRILL network When range of flow, the 2nd RB no longer executes the last two jump pop-up.The 2nd received TRILL messages are transmitted to by the 2nd RB One RB（Actually here the first RB is exactly the third last RB in TRILL network）, and others are passed through by the first RB Transit RB are transmitted to Ingress RB.At this point, the final jump RB when Ingress RB are actually return（At this time It is exactly Egress RB）, therefore the Ingress RB can also be as described in the previous embodiment to being adjacent Transit RB send the request message of the last two jump pop-up, to ask the Transit RB being adjacent to be executed instead of oneself The decapsulation of 2nd TRILL messages, to obtain second user message.When the Ingress RB get the second user message Afterwards, according to the mapping relations of the second MAC Address of itself and the second host（The first RB has learnt to second in embodiment five The mapping relations of MAC Address and the first RB）, which is transmitted to the second host.

Figure 10 is the flow chart of the processing method embodiment eight of the translucent interconnection message of multi-link provided by the invention.This reality It is the overall flow that the 2nd RB replaces the 3rd RB pairs of the first TRIL message to carry out TRILL decapsulations, this implementation to apply example to be related to method The specific TRILL structures of example are for shown in Fig. 4.This method specifically includes：

S801：2nd RB and the 3rd RB carries out the last two jump pop-up capability negotiation, so that the 3rd RB knows that the 2nd RB is It is no that there is the ability that TRILL decapsulations are executed to the first TRILL messages.

S802：3rd RB sends the first request message to the 2nd RB；Wherein, first request message is for asking the 2nd RB It is standby that TRILL decapsulations are carried out to the first TRILL messages.

S803：2nd RB sends the first response message to the 3rd RB.

S804：2nd RB receives the first TRILL that the first RB is sent and interconnects message.

S805：2nd RB carries out TRILL decapsulations to above-mentioned first TRILL messages, obtains the in the first TRILL messages One user's message.

Specifically, with continued reference to TRILL network structure shown in Fig. 4, when the second host is needed the first user of itself Message is sent to the first host, and when realizing the communication between the first host, the second host sends the first user's message to TRILL The first RB in network（It is the Ingress RB in TRILL network at this time）, the first RB when receiving the first user's message, Mac learning is carried out to the first user's message, that is, learns the source MAC of first user's message, that is, sends first use The MAC Address of second host of family message（Second MAC Address）, and establish the mapping relations of the second MAC Address and the first RB.

Later, the first RB pairs of the first user's message carries out TRILL encapsulation, which is encapsulated into first TRILL messages, and the 2nd RB is forwarded, TRILL decapsulations are carried out to the first TRIL messages by the 2nd RB, to obtain the first user Message.

S806：2nd RB learns to send the 2nd MAC of the second host of first user's message according to the first user's message The mapping relations of address and the first RB.

S807：Second MAC Address is sent to the 3rd RB by the 2nd RB.

Specifically, the 2nd RB is after carrying out the first TRILL messages TRILL decapsulations and obtaining the first user's message, it is right First user's message is learnt, and the mapping of the second MAC Address for knowing the second host and the first RB in TRILL network is closed System, and send it to the 3rd RB.

S808：3rd RB send that the second user messages that are sent according to the first host of the 3rd RB learn to the 2nd RB the The mapping relations of the MAC Address of one host and the 3rd RB.

S809：2nd RB receives the mapping relations of the MAC Address and the 3rd RB for the first host that the 3rd RB is sent；And according to First user's message is sent to the 3rd RB by the first MAC Address.

S810：3rd RB receives the first user's message that the 2nd RB is sent, and the transmission of the first user's message is transmitted to the One host.

S811：The second user message that the second MAC Address that 3rd RB is sent according to the 2nd RB sends the first host seals Dress is the 2nd TRILL messages, and is sent to the 2nd RB；Wherein, the purpose Nickname of the 2nd TRILL messages is Ingress RB。

S812：2nd TRILL messages are transmitted to the first RB by the 2nd RB, so that the first RB is according to the 2nd TRILL messages 2nd TRILL messages are sent to Ingress RB by purpose Nickname, and make the 2nd TRILL messages of Ingress RB couple into It is sent to the second host after row TRILL decapsulations.

Specifically, the 3rd RB is the second of the second user message and the 2nd RB transmissions that receive the transmission of the first host After MAC Address, the second user message that the first host received by itself is sent is encapsulated as the 2nd TRILL messages, it should The purpose Nickname of TRILL messages is the Ingress RB in the TRILL network.

Later, the 2nd TRILL messages are sent to the 2nd RB by the 3rd RB.It should be noted that in TRILL network return When flow, the 2nd RB no longer executes the last two jump pop-up.The 2nd received TRILL messages are transmitted to first by the 2nd RB RB.At this point, the first RB can execute the TRILL forward process of standard, the 2nd RB pairs of the 2nd TRILL message can also be asked to execute Decapsulation, oneself only carries out the forwarding of second user message.

One of ordinary skill in the art will appreciate that：Realize that all or part of step of above-mentioned each method embodiment can lead to The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer read/write memory medium.The journey When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned includes：ROM, RAM, magnetic disc or The various media that can store program code such as person's CD.

Figure 11 is the structural schematic diagram of the processing unit embodiment one of the translucent interconnection message of multi-link provided by the invention, The device is suitable for the translucent interconnection TRILL network of multi-link, and the TRILL network includes at least three network equipment RB, should Device can be integrated in the 2nd RB in TRILL network, or the 2nd RB, the 2nd RB are falling in TRILL network Second RB of number.As shown in figure 11, which includes：First receiving module 10, the first TRILL for receiving the first RB transmissions Message；Wherein, above-mentioned first RB is the forwarding network appliance Transit RB in above-mentioned TRILL network；Decapsulation module 11 is used In carrying out TRILL decapsulations to above-mentioned first TRILL messages, the first user's message in above-mentioned first TRILL messages is obtained；The One sending module 12, for above-mentioned first user's message to be sent to the 3rd RB, so that above-mentioned 3rd RB is by above-mentioned first user Message is transmitted to the first host interconnected with above-mentioned 3rd RB；Wherein, above-mentioned 3rd RB is to go out network in above-mentioned TRILL network Equipment EgressRB.

The processing unit of the translucent interconnection message of multi-link provided in an embodiment of the present invention, can execute above method implementation Example, implementing principle and technical effect are similar, and details are not described herein.

Figure 12 is the structural schematic diagram of the processing unit embodiment two of the translucent interconnection message of multi-link provided by the invention, On the basis of above-mentioned embodiment illustrated in fig. 11, above-mentioned apparatus further includes：Second receiving module 13, for being received above-mentioned first Before module 10 receives the first TRILL messages that the first RB is sent, the first request message that the 3rd RB is sent is received；Wherein, on The first request message is stated for asking above-mentioned decapsulation module 11 to carry out TRILL decapsulations to above-mentioned first TRILL messages；Second Sending module 14, for sending the first response message to above-mentioned 3rd RB.

Further, on the basis of above-mentioned embodiment illustrated in fig. 12, further, above-mentioned apparatus can also include ability Negotiation module 15, for before the first request message that second receiving module 13 receives that the 3rd RB is sent, with institute It states the 3rd RB and carries out the last two jump pop-up capability negotiation, so that the 3rd RB knows whether the 2nd RB has to described First TRILL messages execute the ability of TRILL decapsulations；Wherein, the 2nd RB is second from the bottom in the TRILL network Jump RB.Above-mentioned first sending module 12, including：First receiving unit 121, the third sent for receiving above-mentioned 3rd RB First media access control MAC of above-mentioned first host that RB learns according to the second user message that above-mentioned first host is sent The mapping relations of address and the 3rd RB；First transmission unit 122, for according to above-mentioned first MAC Address by above-mentioned first user Message is sent to above-mentioned 3rd RB.

Figure 13 is the structural schematic diagram of the processing unit embodiment three of the translucent interconnection message of multi-link provided by the invention, On the basis of above-mentioned embodiment illustrated in fig. 12, above-mentioned apparatus further includes：Study module 16, in above-mentioned decapsulation module 11 TRILL decapsulations are carried out to the first TRILL messages, after obtaining the first user's message in above-mentioned first TRILL messages, The second MAC Address and TRILL nets of the second host of above-mentioned first user's message are sent according to the study of above-mentioned first user's message The mapping relations for entering network equipment I ngress RB in network；Third sending module 17, for sending above-mentioned second MAC Address To above-mentioned 3rd RB, reported so that the second user message that above-mentioned first host is sent is encapsulated as the 2nd TRILL by above-mentioned 3rd RB Text；Wherein, the purpose mark name Nickname of above-mentioned 2nd TRILL messages is above-mentioned Ingress RB.

Figure 14 is the structural schematic diagram of the processing unit example IV of the translucent interconnection message of multi-link provided by the invention, On the basis of above-mentioned embodiment illustrated in fig. 13, above-mentioned apparatus further includes：Third receiving module 18, for being sent above-mentioned first After above-mentioned first user's message is sent to the 3rd RB by module 12, the above-mentioned 2nd TRILL reports that above-mentioned 3rd RB is sent are received Text；4th sending module 19, for above-mentioned 2nd TRILL messages to be transmitted to above-mentioned first RB, so that the first RB is according to above-mentioned Above-mentioned 2nd TRILL messages are sent to above-mentioned Ingress RB by the purpose Nickname of the 2nd TRILL messages, and are made above-mentioned The 2nd TRILL messages of Ingress RB couple are sent to above-mentioned second host after carrying out TRILL decapsulations.

Figure 15 is the structural schematic diagram of the processing unit embodiment five of the translucent interconnection message of multi-link provided by the invention, The device is suitable for the translucent interconnection TRILL network of multi-link, and the TRILL network includes at least three network equipment RB.It should Device can be integrated in the 3rd RB in TRILL network, or the 3rd RB, the 3rd RB are in TRILL network Egress RB.As shown in figure 15, which includes：First receiving module 20, the first user report for receiving the 2nd RB transmissions Text；Wherein, institute after the first TRILL messages progress TRILL decapsulations which sends for the 2nd RB couples of the first RB The message of acquisition；Above-mentioned first RB is the forwarding network appliance TransitRB in above-mentioned TRILL network, and above-mentioned 2nd RB is The last two jump RB in TRILL network；First sending module 21, for above-mentioned first user's message to be sent to and above-mentioned dress Set the first host of interconnection.

Figure 16 is the structural schematic diagram of the processing unit embodiment six of the translucent interconnection message of multi-link provided by the invention, On the basis of above-mentioned embodiment illustrated in fig. 16, which further includes：Second sending module 22, for receiving mould above-mentioned first Before block 20 receives the first user's message that the 2nd RB is sent, the first request message is sent to above-mentioned 2nd RB；Wherein, above-mentioned One request message is for asking the 2nd RB to carry out TRILL decapsulations to above-mentioned first TRILL messages；Second receiving module 23 is used In the first response message for receiving the 2nd RB transmissions.

On the basis of above-mentioned embodiment illustrated in fig. 16, further, above-mentioned apparatus can also include capability negotiation module 24, for before second sending module 22 sends the first request message to the 2nd RB, being carried out with the 2nd RB Capability negotiation is popped up in the last two jump, and TRILL solutions are carried out to the first TRILL messages to know whether the 2nd RB has The ability of encapsulation.Above-mentioned first receiving module 20, including：Unit 201, second for being sent according to above-mentioned first host User's message learns the mapping relations of the first MAC Address and the 3rd RB of the first host；Wherein, above-mentioned 3rd RB is TRILL nets Go out network equipment Egress RB in network；Transmission unit 202 is used for the first MAC Address and the 3rd RB of above-mentioned first host Mapping relations be sent to above-mentioned 2nd RB so that known according to above-mentioned first MAC address will be upper by the 2nd RB It states the first user's message and is sent to the 3rd RB；Receiving unit 203, the first user's message sent for receiving above-mentioned 2nd RB.

Figure 17 is the structural schematic diagram of the processing unit embodiment seven of the translucent interconnection message of multi-link provided by the invention, On the basis of above-mentioned embodiment illustrated in fig. 16, which further includes：Third receiving module 25, for receiving mould above-mentioned first After block 20 receives the first user's message that the 2nd RB is sent, receive in the second MAC Address and TRILL network that the 2nd RB is sent The mapping relations for entering network equipment I ngress RB；Wherein, above-mentioned second MAC Address is the 2nd RB according to above-mentioned first user The MAC Address of second host of above-mentioned first user's message of transmission that message learns；Package module 26, for according to above-mentioned the The second user message that above-mentioned first host is sent is encapsulated as second by the mapping relations of two MAC Address and Ingress RB TRILL messages；Wherein, the purpose mark name Nickname of above-mentioned 2nd TRILL messages is Ingress RB；Third sending module 27, for above-mentioned 2nd TRILL messages to be sent to the 2nd RB, so that above-mentioned 2nd TRILL messages are transmitted to by the 2nd RB One RB.

Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims

1. a kind of processing method of the translucent interconnection message of multi-link, is suitable for the translucent interconnection TRILL network of multi-link, described TRILL network includes at least three network equipment RB, which is characterized in that the method includes：

2nd RB receives the first TRILL messages that the first RB is sent；Wherein, the first RB is to turn in the TRILL network Network equipment Transit RB are sent out, the 2nd RB is the last two jump RB in the TRILL network；

2nd RB carries out TRILL decapsulations to the first TRILL messages, obtains the in the first TRILL messages One user's message；

First user's message is sent to the 3rd RB by the 2nd RB, so that the 3rd RB is by first user's message It is transmitted to the first host interconnected with the 3rd RB；Wherein, the 3rd RB is to go out the network equipment in the TRILL network Egress RB；

First user's message is sent to the 3rd RB by the 2nd RB, including：

2nd RB receives the second user report that the 3rd RB that the 3rd RB is sent is sent according to first host The mapping relations of the first MAC address and the 3rd RB of first host that literature is practised；

2. according to the method described in claim 1, it is characterized in that, the 2nd RB receives the first TRILL that the first RB is sent Before message, further include：

2nd RB receives the first request message that the 3rd RB is sent；Wherein, first request message is for asking 2nd RB carries out TRILL decapsulations to the first TRILL messages；

2nd RB sends the first response message to the 3rd RB.

3. according to the method described in claim 2, it is characterized in that, the 2nd RB receives the 3rd RB is sent first asks Before seeking message, further include：

2nd RB and the 3rd RB carry out the last two jump pop-up capability negotiation, so that the 3rd RB knows described the Whether two RB have the ability that TRILL decapsulations are executed to the first TRILL messages.

4. according to the method described in claim 1, it is characterized in that, the 2nd RB carries out the first TRILL messages TRILL is decapsulated, and after obtaining the first user's message in the first TRILL messages, further includes：

2nd RB sends the 2nd MAC of the second host of first user's message according to first user's message study Address and the mapping relations for entering network equipment I ngress RB in TRILL network；

Second MAC Address is sent to the 3rd RB by the 2nd RB, so that the 3rd RB is by first host The second user message of transmission is encapsulated as the 2nd TRILL messages；Wherein, the purpose mark name of the 2nd TRILL messages Nickname is the Ingress RB.

5. according to the method described in claim 4, it is characterized in that, first user's message is sent to by the 2nd RB After three RB, further include：

2nd RB receives the 2nd TRILL messages that the 3rd RB is sent；

The 2nd TRILL messages are transmitted to the first RB by the 2nd RB, so that the first RB is according to described second The 2nd TRILL messages are sent to the Ingress RB by the purpose Nickname of TRILL messages, and are made described Ingress RB are sent to second host after carrying out TRILL decapsulations to the 2nd TRILL messages.

6. a kind of processing method of the translucent interconnection message of multi-link, is suitable for the translucent interconnection TRILL network of multi-link, described TRILL network includes at least three network equipment RB, which is characterized in that the method includes：

3rd RB receives the first user's message that the 2nd RB is sent；Wherein, first user's message is the described 2nd RB pairs the Acquired message after the first TRILL messages progress TRILL decapsulations that one RB is sent；First RB is the TRILL nets Forwarding network appliance Transit RB in network, the 2nd RB are the last two jump RB in the TRILL network, described the Three RB are to go out network equipment Egress RB in the TRILL network；

First user's message is sent to the first host interconnected with the 3rd RB by the 3rd RB；

3rd RB receives the first user's message that the 2nd RB is sent, including：

3rd RB learns the first MAC Address of first host according to the second user message that first host is sent With the mapping relations of the 3rd RB；

The mapping relations of first MAC Address of first host and the 3rd RB are sent to the 2nd RB by the 3rd RB, So that the 2nd RB known according to first MAC address first user's message is sent to it is described 3rd RB；

3rd RB receives first user's message that the 2nd RB is sent.

7. according to the method described in claim 6, it is characterized in that, the 3rd RB receives the first user report that the 2nd RB is sent Before text, further include：

3rd RB sends the first request message to the 2nd RB；Wherein, first request message is described for asking 2nd RB carries out TRILL decapsulations to the first TRILL messages；

3rd RB receives the first response message that the 2nd RB is sent.

8. disappearing the method according to the description of claim 7 is characterized in that the 3rd RB sends the first request to the 2nd RB Before breath, further include：

3rd RB and the 2nd RB carry out the last two jump pop-up capability negotiation, so that the 3rd RB knows described the Whether two RB have the ability that TRILL decapsulations are carried out to the first TRILL messages.

9. according to the method described in claim 6, it is characterized in that, the 3rd RB receives the first user report that the 2nd RB is sent After text, further include：

3rd RB receives the second MAC Address that the 2nd RB is sent and enters network equipment I ngress with TRILL network The mapping relations of RB；Wherein, second MAC Address is the transmission that the 2nd RB learns according to first user's message The MAC Address of second host of first user's message；

3rd RB sends first host according to the mapping relations of second MAC Address and the Ingress RB Second user message be encapsulated as the 2nd TRILL messages；Wherein, the purpose mark name Nickname of the 2nd TRILL messages For the Ingress RB；

The 2nd TRILL messages are sent to the 2nd RB by the 3rd RB, so that the 2nd RB is by described second TRILL messages are transmitted to the first RB.

10. a kind of processing unit of the translucent interconnection message of multi-link, is suitable for the translucent interconnection TRILL network of multi-link, institute It includes at least three network equipment RB to state TRILL network, which is characterized in that described device includes：

First receiving module, the first TRILL messages for receiving the first RB transmissions；Wherein, the first RB is the TRILL Forwarding network appliance Transit RB in network；

Decapsulation module is obtained for carrying out TRILL decapsulations to the first TRILL messages in the first TRILL messages The first user's message；

First sending module, for first user's message to be sent to the 3rd RB, so that the 3rd RB is by described first User's message is transmitted to the first host interconnected with the 3rd RB；Wherein, the 3rd RB is going out in the TRILL network Network equipment Egress RB；

First sending module, including：

First receiving unit, second sent according to first host for receiving the 3rd RB that the 3rd RB is sent The mapping relations of the first MAC address and the 3rd RB of first host that user's message learns；

First transmission unit, for first user's message to be sent to the 3rd RB according to first MAC Address.

11. device according to claim 10, which is characterized in that described device further includes：

Second receiving module, for before the first TRILL messages that first receiving module receives that the first RB is sent, receiving The first request message that 3rd RB is sent；Wherein, first request message is for asking the decapsulation module to institute It states the first TRILL messages and carries out TRILL decapsulations；

Second sending module, for sending the first response message to the 3rd RB.

12. according to the devices described in claim 11, which is characterized in that described device further includes：

Capability negotiation module, for before the first request message that second receiving module receives that the 3rd RB is sent, The last two jump is carried out with the 3rd RB and pops up capability negotiation, so that the 3rd RB knows whether the 2nd RB has to described First TRILL messages execute the ability of TRILL decapsulations；Wherein, the 2nd RB is second from the bottom in the TRILL network Jump RB.

13. device according to claim 10, which is characterized in that described device further includes：

Study module, for carrying out TRILL decapsulations to the first TRILL messages in the decapsulation module, described in acquisition After the first user's message in first TRILL messages, first user is sent according to first user's message study and is reported Second MAC Address of the second host of text and the mapping relations for entering network equipment I ngress RB in TRILL network；

Third sending module, for second MAC Address to be sent to the 3rd RB, so that the 3rd RB is by described The second user message that one host is sent is encapsulated as the 2nd TRILL messages；Wherein, the purpose mark of the 2nd TRILL messages Name Nickname is the Ingress RB.

14. device according to claim 13, which is characterized in that described device further includes：

Third receiving module connects after first user's message is sent to the 3rd RB in first sending module Receive the 2nd TRILL messages that the 3rd RB is sent；

4th sending module, for the 2nd TRILL messages to be transmitted to the first RB, so that the first RB is according to institute The 2nd TRILL messages are sent to the Ingress RB by the purpose Nickname for stating the 2nd TRILL messages, and make institute It states after Ingress RB carry out TRILL decapsulations to the 2nd TRILL messages and is sent to second host.

15. a kind of processing unit of the translucent interconnection message of multi-link, is suitable for the translucent interconnection TRILL network of multi-link, institute It includes at least three network equipment RB to state TRILL network, which is characterized in that described device includes：

First receiving module, the first user's message for receiving the 2nd RB transmissions；Wherein, first user's message is described Acquired message after the first TRILL messages progress TRILL decapsulations that 2nd RB couples of the first RB is sent；First RB is institute Forwarding network appliance the Transit RB, the 2nd RB stated in TRILL network is the last two jump in the TRILL network RB；

First sending module, for first user's message to be sent to the first host interconnected with described device；

First receiving module, including：

Unit, the second user message for being sent according to first host learn the first MAC of first host The mapping relations of address and the 3rd RB；Wherein, the 3rd RB is to go out network equipment Egress RB in the TRILL network；

Transmission unit, for the mapping relations of the first MAC Address of first host and the 3rd RB to be sent to described second First user's message is sent to by RB so that the 2nd RB is known according to first MAC address 3rd RB；

Receiving unit, first user's message sent for receiving the 2nd RB.

16. device according to claim 15, which is characterized in that described device further includes：

Second sending module is used for before the first user's message that first receiving module receives that the 2nd RB is sent, to institute It states the 2nd RB and sends the first request message；Wherein, first request message is for asking the 2nd RB to described first TRILL messages carry out TRILL decapsulations；

17. device according to claim 16, which is characterized in that described device further includes：

Capability negotiation module is used for before second sending module sends the first request message to the 2nd RB, with institute It states the 2nd RB and carries out the last two jump pop-up capability negotiation, the first TRILL is reported with knowing whether the 2nd RB has Text carries out the ability of TRILL decapsulations.

18. device according to claim 15, which is characterized in that described device further includes：

Third receiving module, for after the first user's message that first receiving module receives that the 2nd RB is sent, receiving The second MAC Address that 2nd RB is sent and the mapping relations for entering network equipment I ngress RB in TRILL network；Its In, second MAC Address is that transmission first user that the 2nd RB learns according to first user's message reports The MAC Address of second host of text；

Package module, for according to the mapping relations of second MAC Address and the Ingress RB by first host The second user message of transmission is encapsulated as the 2nd TRILL messages；Wherein, the purpose mark name of the 2nd TRILL messages Nickname is the Ingress RB；

Third sending module, for the 2nd TRILL messages to be sent to the 2nd RB, so that the 2nd RB will be described 2nd TRILL messages are transmitted to the first RB.