CN102510414A - Host name transfer method and device adopting same - Google Patents
Host name transfer method and device adopting same Download PDFInfo
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- CN102510414A CN102510414A CN2011103653010A CN201110365301A CN102510414A CN 102510414 A CN102510414 A CN 102510414A CN 2011103653010 A CN2011103653010 A CN 2011103653010A CN 201110365301 A CN201110365301 A CN 201110365301A CN 102510414 A CN102510414 A CN 102510414A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
Abstract
The embodiment of the invention discloses a host name transfer method and a device adopting the same, which are applied to a TRILL (Transparent Interconnection of Lots of Links) network, and relates to the field of network communication. The method comprises the following steps: a first TRILL message is received, the nickname of routing bridging equipment RB is acquired, the first TRILL message comprises the nickname of the RB, a second TRILL message is received, a host name of the RB is acquired, the second TRILL message comprises the host name of the RB, the mapping relationship between the nickname of the RB and the host name of the RB is established and stored, and the host name of the RB is acquired according to the nickname of the RB and displayed. By adopting the technical scheme provided by the embodiment of the invention enables the display result to be friendlier to a user, and the network maintainability is enhanced.
Description
Technical field
The present invention relates to network communication field, particularly a kind of method and apparatus that transmits host name.
Background technology
TRILL (Transparent Interconnection of Lots of Links; Multilink is transparent interconnected) be a working group of IETF (Internet Engineering Task Force, the Internet engineering duty group), also be an agreement; Mainly integrated the advantage of bridge and router; Link State route (LSR, Link State Routing) technology is used in link layer, and can not disturbs the work of upper strata router.The TRILL agreement is with three layers IS-IS (Intermediate System To Intermediate System; Intermediate System-to-Intermediate System) the agreement route is introduced two layers; With replacement STP (Spanning Tree Protocol, Spanning-Tree Protocol), thereby can carry out data forwarding according to shortest path; And make the multipath route become possibility, make that the utilization of bandwidth is more abundant.
Support that the switch of TRILL agreement is RB/RBridge (Route Bridge, a routing bridge equipment).Can directly connect between RB and the RB, also can be through the network interconnection of a traditional Layer 2 switch composition.RB is that the nickname (another name) of 2 bytes identifies with length, and nickname can not repeat at the whole network, can generate automatically, also can manual configuration.On RB equipment, can detect TRILL network failure situation, comprise that diagnosis clean culture or multicast forwarding path are communicated with situation through nickname ping and/or trace.Because the result of nickname ping and/or trace is based on the nickname demonstration, nickname is a numeral, has no physical meaning, inconvenient user's memory, and the maintainability of network is poor.
Summary of the invention
One aspect of the present invention provides a kind of method of transmitting host name, and this method is applied to the TRILL network, comprising:
Receive a TRILL message, obtain the nickname of RB, comprise the nickname of this RB in the TRILL message;
Receive the 2nd TRILL message, obtain the host name of RB, comprise the host name of this RB in the 2nd TRILL message;
Set up and preserve the mapping relations of host name of nickname and this RB of this RB;
Obtain the host name of this RB according to the nickname of this RB, show the host name of this RB.
One aspect of the present invention provides a kind of device that transmits host name, and this device is applied to the TRILL network, comprising:
First acquiring unit is used to receive a TRILL message, obtains the nickname of RB, comprises the nickname of this RB in the TRILL message;
Second acquisition unit is used to receive the 2nd TRILL message, obtains the host name of RB, comprises the host name of this RB in the 2nd TRILL message;
Map unit is used to set up and preserve the mapping relations of host name of nickname and this RB of this RB;
Display unit is used for obtaining according to the nickname of this RB the host name of this RB, shows the host name of this RB.
One aspect of the present invention is through dynamically spreading the host name of RB equipment in the TRILL network; Make every RB equipment preserve the nickname and the host name corresponding relation of the whole network RB equipment in this locality; Thereby make display result friendly more, strengthen the maintainability of network the user.
Description of drawings
Fig. 1 is a kind of method flow diagram that transmits host name that the embodiment of the invention provides;
A kind of apparatus structure sketch map that transmits host name that Fig. 2 provides for the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
For ease of understanding, below the forwarding and the encapsulation process of data message under the brief TRILL agreement.After the TRILL network design is accomplished; At first accomplishing neighbours by Intermediate System to Intermediate System sets up; Database synchronization; Every RB comprises through the LSP information releasing: the nickname information of self (nickname priority, root priority etc.), this node have which neighbour and and these neighbours between cost value and the relevant information (multicast tree maximum number etc.) that is used to set up multicast tree of link, every RB has whole net topology information like this.Each RB just can generate clean culture and transmit, and multicast forward table.
Every equipment all has a unique systemID in the IS-IS network, and the SourceID of this systemID+ dummy node configuration node, this SourceID also are the unique identifications of every equipment.The LSP message identifies through LSPID in the ISIS agreement; LSPID number is made up of the SourceID+ burst; SourceID is made up of systemID+ dummy node numbering again, thus SourceID be with equipment one to one, can know the originating end equipment of this LSP like this through LSPID.
With the unicast data message is example; After data message sends; First RB that receives this data message is inlet (ingress) RB; Be responsible for the data message is carried out the TRILL encapsulation, inlet RB finds out last RB on the forward-path according to target MAC (Media Access Control) address, is called outlet (egress) RB.The sign that inlet RB will export RB is as the another name (Egress Rbridge Nickname) of outlet routing bridge equipment, and self sign is placed in the TRILL head as the another name (Ingress RBridge Nickname) of the routing bridge equipment that enters the mouth.For multicast or broadcasting packet, egress RB nickname representes a distribution tree, and this nickname is the root of distribution tree, and inlet RB is responsible for selecting to use which distribution tree to carry out multicast or broadcasting is transmitted.Middle RB between inlet RB and outlet RB is responsible for transmitting data message; Middle RB receives that at every turn data message just decides the L2 address of the RB of next jumping (Hop) according to outlet RB; And the destination address of this L2 address as outside two layer message head; The source address of the L2 address of self as outside two layer message head, and the value of the hop count that successively decreases (Hop Count).
The TRILL that the embodiment of the invention provides as shown in table 1 below.Wherein, the version of the corresponding TRILL of V, current is 0, if discovery is not 0 the direct dropping packets of version meeting.M is whether message is multicast flags, and 0 is clean culture, and 1 is multicast.Op-Length has defined the length of TRILL scaling option, is unit with 4 bytes, and maximum can be supported the option definition of 124 bytes.The device id of message entrance and exit corresponds to the RBridge Nickname of one 16 bit respectively.M is masked as 0 for unicast message, and the Rbridge nickname of entrance and exit is respectively the another name of the network equipment of correspondence; And M is masked as 1 during broadcasting packet, and the Rbridge nickname of inlet is the access device another name, and the Rbridge nickname of outlet is the equipment another name of the broadcasting tree root node that uses.
Table 1 a TRILL form
A kind of method flow diagram that transmits host name that Fig. 1 provides for the embodiment of the invention, this method is applied to the TRILL network, and this method as shown in Figure 1 can comprise:
S102, receive a TRILL message, obtain the nickname of RB, comprise the nickname of this RB in the TRILL message.
S104, receive the 2nd TRILL message, obtain the host name of RB, comprise the host name of this RB in the 2nd TRILL message.
For instance; The mode that comprises the host name of this RB in the 2nd TRILL message can be in ISIS LSP (Link State Protocol Data Unit, Link State Protocol Data Unit) message, to increase Dynamic Hostname (DynamicHost name) TLV (type lengths values) newly to carry the host name of RB.
S106, foundation and the mapping relations of host name of preserving nickname and this RB of this RB.
For instance, the mapping relations of the nickname of this RB and the host name of this RB can be kept among the local LSDB (Link State DataBase, connection status database).
S108, obtain the host name of this RB, show the host name of this RB according to the nickname of this RB.
More than the sequencing of each step do not do qualification.
A kind of method of transmitting the DynamicHost name that the following illustrated in greater detail embodiment of the invention provides, this method is applied in the TRILL network, can comprise:
S202, RB1 receive a TRILL message, obtain the nickname of RB2, comprise the nickname of this RB2 in the TRILL message.
Particularly; This equipment of RB2 is understood static configuration or is dynamically generated nickname; The nickname information of RB2 can be put in order the net diffusion through ISIS LSP message, and this equipment of RB1 receives a TRILL message, for example IS-IS LSP message; Obtain the nickname of RB2, comprise the nickname of this RB2 in the TRILL message.More details such as nickname conflict management mechanism can repeat no more at this with reference to the description among the RFC 6325.
S204, RB1 receive the 2nd TRILL message, obtain the host name of RB2, comprise the host name of this RB2 in the 2nd TRILL message.
For instance, can adopt the mechanism of describing among the similar RFC 5301,, for example increase Dynamic Hostname TLV in the ISIS LSP message newly to carry the host name of RB2 at the 2nd TRILL message.RB1 receives the 2nd TRILL message, obtains the host name of RB2, comprises the host name of this RB2 in the 2nd TRILL message.The 2nd TRILL message in this step and the TRILL message among the S102 can be the same or different, and do not do qualification at this.
The mapping relations of the nickname of S206, RB1 foundation and preservation RB2 and the host name of RB2.
Behind step S202 and S204, RB1 has obtained the host name of nickname and the RB2 of RB2, and in this step, particularly, RB1 sets up the mapping relations of host name of nickname and the RB2 of RB2, and these mapping relations are kept among the local LSDB of RB1.
S208,, RB1 obtains the host name of RB2 according to the nickname of RB2, in the host name of carrying out when the result shows RB2.
Particularly, when originating end RB initiation ping, trace etc. used, purpose RB or middle RB can respond, and carry the nickname sign in the message of response.Carrying out the result when showing, RB1 searches local LSDB database according to the nickname of RB2, obtains the corresponding host name of this equipment of RB2, thereby can digital translation be become have the character string of implication directly perceived, shows thereby carry out the result with more intuitive mode.
The foregoing description is that example describes with RB1 and RB2 just, it is understandable that the nickname of every equipment and DynamicHost name are carried out through ISIS LSP message after the inundation, just can realize that TRILL network whole network data storehouse is synchronous.After the whole network data storehouse is synchronous, can preserve the nickname of other RB and the mapping relations of host name among the local LSDB of every RB equipment.
More than the sequencing of each step do not do qualification.
A kind of apparatus structure sketch map that transmits host name that Fig. 2 provides for the embodiment of the invention, this device is applied to the TRILL network, and this device as shown in Figure 2 can comprise:
First acquiring unit 302 is used to receive a TRILL message, obtains the nickname of RB, comprises the nickname of this RB in the TRILL message.
For instance, the mode that comprises the host name of this RB in the 2nd TRILL message can be in ISIS LSP message newly-increased Dynamic Hostname TLV to carry the host name of this RB.
For instance, the mapping relations of the host name of the nickname of this RB and RB can be kept among the local LSDB.
The device of this transmission host name can be applied among the said method embodiment, but detail reference method embodiment.The device of this transmission host name can be arbitrary RB equipment in the TRILL network.In fact, the nickname of every equipment and DynamicHost name are carried out through ISIS LSP message after the inundation, just can realize that TRILL network whole network data storehouse is synchronous.After the whole network data storehouse is synchronous, can preserve the nickname of other RB and the mapping relations of host name among the local LSDB of every RB equipment.
The embodiment of the invention is through using the host name of ISIS protocol dynamic diffusion RB equipment in the TRILL network; Make every RB equipment preserve the nickname and the host name corresponding relation of the whole network RB equipment in this locality; Thereby initiate ping at every RB, when trace uses, can be through searching the local corresponding relation of preserving, the nickname of the RB in the display result is translated into the corresponding equipment sign show; Thereby make display result friendly more, strengthen the maintainability of network the user.
Need to prove at last; One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium, and this program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (ROM) or stores memory body (RAM) etc. at random.
Each functional unit in the embodiment of the invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If said integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.Above-mentioned each device or system can carry out the method among the correlation method embodiment.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. method of transmitting host name, said method is applied to the transparent interconnected TRILL network of multilink, comprising:
Receive a TRILL message, obtain the another name nickname of routing bridge equipment RB, comprise the nickname of said RB in the said TRILL message;
Receive the 2nd TRILL message, obtain the host name of said RB, comprise the host name of said RB in said the 2nd TRILL message;
Set up and preserve the mapping relations of host name of nickname and the said RB of said RB;
Obtain the host name of said RB according to the nickname of said RB, show the host name of said RB.
2. the method for transmission host name as claimed in claim 1; It is characterized in that, comprise that the host name of said RB specifically comprises in said the 2nd TRILL message: newly-increased DynamicHost name Dynamic Hostname type lengths values TLV is to carry the host name of said RB in Intermediate System-to-Intermediate System ISIS Link State Protocol Data Unit LSP message.
3. according to claim 1 or claim 2 the method for transmission host name is characterized in that said mapping relations are kept among the local connection status database LSDB.
4. device that transmits host name, said device is applied to the transparent interconnected TRILL network of multilink, comprising:
First acquiring unit is used to receive a TRILL message, obtains the another name nickname of routing bridge equipment RB, comprises the nickname of said RB in the said TRILL message;
Second acquisition unit is used to receive the 2nd TRILL message, obtains the host name of said RB, comprises the host name of said RB in said the 2nd TRILL message;
Map unit is used to set up and preserve the mapping relations of host name of nickname and the said RB of said RB;
Display unit is used for obtaining according to the nickname of said RB the host name of said RB, shows the host name of said RB.
5. the device of transmission host name as claimed in claim 4; It is characterized in that, comprise that the host name of said RB specifically comprises in said the 2nd TRILL message: newly-increased DynamicHost name Dynamic Hostname type lengths values TLV is to carry the host name of said RB in Intermediate System-to-Intermediate System ISIS Link State Protocol Data Unit LSP message.
6. like the device of claim 4 or 5 described transmission host name, it is characterized in that said mapping relations are kept among the local connection status database LSDB.
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PCT/CN2012/084627 WO2013071866A1 (en) | 2011-11-17 | 2012-11-15 | Host name transfer method and device |
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CN103490967B (en) * | 2012-06-13 | 2018-04-27 | 中兴通讯股份有限公司 | Alias, transparent interconnection of lots of links interconnection TRILL message processing methods and device |
CN103490967A (en) * | 2012-06-13 | 2014-01-01 | 中兴通讯股份有限公司 | Alias and TRILL message processing method and device |
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CN103200049A (en) * | 2013-04-07 | 2013-07-10 | 杭州华三通信技术有限公司 | Failure detection method and failure detection device |
CN103457778B (en) * | 2013-09-09 | 2017-02-15 | 华为技术有限公司 | Method and equipment for communication of Ethernet switched network |
CN103457778A (en) * | 2013-09-09 | 2013-12-18 | 华为技术有限公司 | Method and equipment for communication of Ethernet switched network |
CN106133714A (en) * | 2014-02-28 | 2016-11-16 | 第三雷沃通讯有限责任公司 | Intrusion Detection based on host name selects network service |
US10298486B2 (en) | 2014-02-28 | 2019-05-21 | Level 3 Communications, Llc | Selecting network services based on hostname |
CN106133714B (en) * | 2014-02-28 | 2020-03-20 | 第三雷沃通讯有限责任公司 | Selecting network services based on hostname |
CN104780072A (en) * | 2015-04-25 | 2015-07-15 | 安徽皖通邮电股份有限公司 | IS-IS protocol multi-case host name setting method |
CN108646867A (en) * | 2018-05-08 | 2018-10-12 | 南京博内特信息科技有限公司 | A kind of intelligent platform and its method based under battery |
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