CN103812749B - The method and apparatus that VLAN maps between a kind of data center's website - Google Patents
The method and apparatus that VLAN maps between a kind of data center's website Download PDFInfo
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- CN103812749B CN103812749B CN201410035037.8A CN201410035037A CN103812749B CN 103812749 B CN103812749 B CN 103812749B CN 201410035037 A CN201410035037 A CN 201410035037A CN 103812749 B CN103812749 B CN 103812749B
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Abstract
The method and apparatus that the present invention proposes VLAN mappings between a kind of data center's website, applied on any edge equipment ED, methods described includes in EVI networks：The notification packet of other websites in the EVI networks is received, and obtains the identity carried in the notification packet and VLAN map informations；Judge whether the identity is default publisher's identity marks, if it is, by the VLAN map informations in the notification packet in local preservation, and the VLAN ID for completing according to the VLAN map informations of preservation itself website are changed.By the present invention, the complexity of the same business configuration of different websites in the prior art is simplified, reduces the degree of dependence to user configuration, add the ease for use of VLAN mappings.
Description
Technical field
The present invention relates to a kind of methods mapped of VLAN between communication technique field, more particularly to data center's website and dress
Put.
Background technology
With a large amount of deployment of data center, by IS-IS（Intermediate System to Intermediate
System, Intermediate System-to-Intermediate System）Protocol extension is applied to double layer network to realize the technology of two layers of routing iinformation interaction,
Used by increasing scheme.When geographical position, different data centers passes through EVI（Ethernet
Virtualization Interconnect, Ethernet virtualization interconnection）It is mutually of the same trade or business after technology forms one big double layer network
Information exchange between business is to be based on same VLAN（Virtual Local Area Network, VLAN）To realize
's.If before this, different data centers to identical delineation of activities different VLAN, then after data center's interconnection
Have to carry out VLAN mappings, can just realize the intercommunication and dilatation of data center.
Therefore, current technical scheme is reflected by being mutually arranged VLAN two-by-two between the data center's website for needing intercommunication
Relation is penetrated, to reach mutually conversion VLAN ID purpose.Because VLAN is to be mutually arranged two-by-two, therefore, VLAN Mapping implementations
Correctness greatly depends on the user configuration of each website, the ED of only each data center's website（Edge Device, edge
Equipment）All correctly being configured with VLAN mapping relations can just be mapped to realize that the interconnection at different pieces of information center is mutual with normal use VLAN
It is logical, but this adds EVI network configurations complexity and maintenance cost.
The content of the invention
In view of this, the method and apparatus that the present invention proposes VLAN mappings between a kind of data center's website.By the present invention,
The complexity of existing scheme VLAN mapping configurations can be greatly simplified, the degree of dependence to user configuration is reduced, increases simultaneously
The ease for use of VLAN mappings.
A kind of method that VLAN maps between data center's website, applied on any edge equipment ED, it is special in EVI networks
Sign is that methods described includes：
The notification packet of other websites in the EVI networks is received, and obtains the identity carried in the notification packet
Mark and VLAN map informations；Wherein described VLAN map informations are the different same business of website in the EVI networks
VLAN ID and Site ID corresponding relation；
Judge whether the identity marks are default publisher's identity, if it is, by the notification packet
VLAN map informations in local preservation, and according to the VLAN map informations of preservation complete itself website VLAN ID change.
Preferably, methods described also includes：
Receive the VLAN map informations of the same business of different websites of administrator configurations；
After generation carries the VLAN map informations and default publisher's identity, to the EVI nets
Other ED send the notification packet in network.
Preferably, the priority and MAC Address of transmitting terminal website are also included in the notification packet；
Methods described also includes：When in the notification packet for judging to receive, there is the identity mark that is carried in multiple notification packets
Knowledge is default publisher's identity, by the VLAN map informations in the notification packet of highest priority in local guarantor
Deposit, and the VLAN ID conversions of itself website are completed according to the VLAN map informations of preservation；
It is described default when in the notification packet for judging to receive, there is the identity carried in multiple notification packets
When publisher's identity and priority all same, by the VLAN map informations in the maximum notification packet of MAC Address at this
Ground is preserved, and the VLAN ID conversions of itself website are completed according to the VLAN map informations of preservation.
Preferably, methods described also includes：
, will when the priority in the notification packet for judging to receive is higher than priority of this equipment as the publisher
VLAN map informations in the notification packet complete itself website in local preservation, and according to the VLAN map informations of preservation
VLAN ID conversion；
When the priority in the notification packet for judging to receive is identical simultaneously as the priority of the publisher with this equipment
And MAC Address in the notification packet it is larger when, by the VLAN map informations in the notification packet in local preservation, and according to guarantor
The VLAN map informations deposited complete the VLAN ID conversions of itself website.
Preferably, the notification packet is Intermediate System-to-Intermediate System Link State Protocol Data Unit IS-IS LSP
Message.
The device that VLAN maps between a kind of data center's website, it is described applied in EVI networks on any edge equipment ED
Device includes：
Receiving module, for receiving the notification packet of other websites in the EVI networks, and obtain the notification packet
The identity of middle carrying and VLAN map informations；Wherein described VLAN map informations are different websites in the EVI networks
The VLAN ID of same business and the corresponding relation of Site ID；
Judge module, for judging whether the identity is default publisher's identity, if it is, by described in
VLAN map informations in notification packet complete itself website in local preservation, and according to the VLAN map informations of preservation
VLAN ID are changed.
Preferably, the receiving module is further used for：Receive the VLAN of the same business of different websites of administrator configurations
Map information；
Described device also includes：Sending module, VLAN map informations and described default are carried for generating
After publisher's identity, into the EVI networks, other ED send the notification packet.
Preferably, the priority and MAC Address of transmitting terminal website are also included in the notification packet；
The judge module is further used for：When in the notification packet for judging to receive, having in multiple notification packets and carry
Identity be default publisher's identity marks, by the VLAN map informations in the notification packet of highest priority
In local preservation, and according to the VLAN map informations of preservation complete itself website VLAN ID change；
It is described default when in the notification packet for judging to receive, there is the identity carried in multiple notification packets
When publisher's identity and priority all same, by the VLAN map informations in the maximum notification packet of MAC Address at this
Ground is preserved, and the VLAN ID conversions of itself website are completed according to the VLAN map informations of preservation.
Preferably, the judge module is further used for：
, will when the priority in the notification packet for judging to receive is higher than priority of this equipment as the publisher
VLAN map informations in the notification packet complete itself website in local preservation, and according to the VLAN map informations of preservation
VLAN ID conversion；
When the priority in the notification packet for judging to receive is identical simultaneously as the priority of the publisher with this equipment
And MAC Address in the notification packet it is larger when, by the VLAN map informations in the notification packet in local preservation, and according to guarantor
The VLAN map informations deposited complete the VLAN ID conversions of itself website.
Preferably, the notification packet is Intermediate System-to-Intermediate System Link State Protocol Data Unit IS-IS LSP
Message.
Brief description of the drawings
Fig. 1 is the TLV message formats of the Site ID carried in the prior art on IS-IS LSP messages；
Fig. 2 is the method flow diagram of VLAN mappings between a kind of data center's website proposed by the present invention；
Fig. 3 is the TLV message formats that Site ID is carried on the improved IS-IS LSP messages of the present invention；
Fig. 4 is the building-block of logic of VLAN mapping devices between a kind of data center's website proposed by the present invention.
Embodiment
At present, after the different data center in geographical position forms a big double layer network by EVI technologies, if not
With data center to identical delineation of activities different VLAN, then needed after data center's interconnection according in advance at edge
After the VLAN mapping relations that are configured two-by-two on equipment ED carry out VLAN mappings and mutually conversion VLAN ID, same business just can be with
Intercommunication is realized between different data centers.It is specifically logical when different pieces of information center carries out VLAN mappings in EVI networks
The IS-IS LSP crossed between website（Link State PDU, Link State Protocol Data Unit）Site ID is carried in message
（Identity, mark）TLV（Type Length Value, type lengths values）Come what is realized.Two layers of current EVI networks
On IS-IS LSP messages carry Site ID TLV, specific message format as shown in figure 1, wherein Site Priority and
Two fields of Site Description do not use, are filled in messages using 0.Definition and message from the TLV
Form can be seen that some field utilization rates of the TLV than relatively low, and lack control information field, be unfavorable for extending.
Therefore, the present invention realizes VLAN mapping functions between data center's website using a kind of new mode, pass through transformation
The TLV of the Site ID carried in above-mentioned IS-IS LSP messages, Site Description fields are deleted, while add Site
Control fields and VLAN map informations need to only carry out the different same industry of website to field in the ED equipment of a website
The VLAN mapping relations configuration of business, simplifies the complexity of original configuration, reduces the degree of dependence to user configuration, add
Ease for use.
For the objects, technical solutions and advantages of the present invention are more clearly understood, develop simultaneously embodiment referring to the drawings, right
Scheme of the present invention is described in further detail.
Referring to Fig. 2, the method for VLAN mappings, appoints applied in EVI networks between a kind of data center's website of proposition of the invention
On one edge device ED, methods described performs following steps：
Step S201, receives the notification packet of other websites in the EVI networks, and obtains and taken in the notification packet
The identity of band and VLAN map informations.
Wherein, the VLAN map informations be the EVI networks in different websites same business corresponding to VLAN ID with
Corresponding relation between Site ID；
Step S202, judge whether the identity is default publisher's identity, if it is, the notice is reported
VLAN map informations in text complete according to the VLAN map informations of preservation the VLAN of itself website in local preservation
ID is changed.
According to the present invention, the VLAN map informations only need to be in EVI networks in the ED equipment of one of data center
Configuration, without configuring VLAN mapping relations in the ED equipment of each data center's website.
In a preferred embodiment, it is by the station being carried in the IS-IS LSP messages EVI websites
Point ID TLV message format is transformed to realize such scheme.
Refer to Fig. 3, the TLV of improved Site ID message format, the TLV phases with Site ID of the prior art
Than deleting Site Description fields, adding Site Control fields and VLAN field mapping informations.Wherein institute
Stating Site Control fields includes being used for the S positions for indicating VLAN map information publisher's identity.A kind of preferable
In embodiment, when the S positions are 1, the ED equipment for representing to send the LSP messages is VLAN map information publishers, the LSP
VLAN map informations in message are effective；When the S positions are 0, the ED equipment for representing to send the LSP messages is not specified
VLAN map information publishers, the VLAN map informations in the LSP messages are invalid.Wherein described VLAN field mapping informations, it is
The VLAN mapping relations to each same business of data center's website being pre-configured with, include the ID (Original of original site
Site ID) with the ID (Target Site ID) of targeted sites, and the VLAN ID of original site（Original VLAN
ID）With the VLAN ID of targeted sites（Target VLAN ID）.
During specific implementation, in order to realize the VLAN of same business between current EVI networks Zhong Ge data centers website
The unified issue of map information, it is necessary first to which issue of the ED equipment as the VLAN map informations is specified out by keeper
Person, and be pre-configured with the VLAN mapping relations of the same business of each data center website in current EVI networks by keeper
In the ED equipment.The ED equipment is once designated as VLAN map information publishers, then other websites into current EVI networks
ED equipment notice LSP messages.Due to the publisher that the ED equipment is VLAN map informations, therefore the ED equipment is set to other ED
In the LSP messages of standby notice, the S positions are 1.
For other ED equipment in current EVI networks, now the recipient as VLAN map informations passes through solution
Whether the LSP messages for analysing the LSP messages that receive to judge to receive are from specified VLAN map information publishers；When parsing
When S positions are 1 in the LSP messages received, now may determine that the ED equipment for sending the LSP messages is the VLAN mapping letters specified
Publisher is ceased, then the VLAN map informations in locally the LSP messages are preserved, and closed using the VLAN mapping related to itself
System completes VLAN and maps and carry out VLAN ID conversion.
In addition, what deserves to be explained is, in the prior art, ED equipment is carried out according to the VLAN mapping relations being pre-configured with
When VLAN maps, a pair of VLAN map informations can be given tacit consent to and carry two parts of map informations.Such as when there is a pair of VLAN map informations,
Refer to table 1：
| Original Site ID | 1 |
| Original VLAN ID | 1 |
| Target Site ID | 2 |
| Target VLAN ID | 2 |
Table 1
The table 1 carries two parts of map informations in the case of acquiescence, if Original Site ID are the websites of local terminal
ID, the then VLAN2 and local terminal website of the table 1 expression website 2 VLAN1, and the VLAN1 of website 2 and local terminal website VLAN2
Mapping relations each other；Opposite, if Target Site ID are local terminal Site IDs, VLAN1 pairs and this end station of website 1
The VLAN2 of point, and the VLAN2 of website 1 and local terminal website VLAN ID1 are the relation mapped each other.In specific implementation process
In, can also be in the VLAN mapping relations between the clear and definite specified sites of VLAN map information publishing sides.Specify between specified sites
VLAN mapping relations, the accuracy of VLAN mappings between website can be improved.Still by taking the VLAN map informations that table 1 carries as an example, when
When selecting the VLAN mapping relations between the clear and definite specified sites of VLAN map information publishing sides, VLAN map informations publishing side hair
The VLAN map informations carried in the LSP messages gone out, refer to table 2：
| Original Site ID | 1 |
| Original VLAN ID | 1 |
| Target Site ID | 2 |
| Target VLAN ID | 2 |
| Original Site ID | 1 |
| Original VLAN ID | 2 |
| Target Site ID | 2 |
| Target VLAN ID | 1 |
Table 2
In the present embodiment, when in the EVI networks, when the VLAN for having multiple ED equipment to be each specified as same business reflects
When penetrating information publisher, the now ED equipment as VLAN map information recipients can be by determining whether that LSP messages carry
Priority, be 1 LSP messages by those S positions received to determine the more qualified issue VLAN map informations of which website
VLAN map informations in the LSP messages of middle highest priority are completed in local preservation, and using the VLAN map informations preserved
VLAN ID conversion.
When the ED equipment as VLAN map information recipients receives the LSP messages that multiple S positions are 1, and those LSP
When the priority that message carries is identical, the now ED equipment as VLAN map information recipients can be by further according to LSP
The MAC Address carried in message, it is to determine the more qualified issue VLAN map informations of which website, those S positions received are equal
Be the VLAN map informations in the LSP messages that MAC Address is maximum in 1 LSP messages in local preservation, and use the VLAN preserved
Map information completes VLAN ID conversion.
In addition, when the ED equipment as VLAN map information publishers receives the LSP messages that S positions are 1, according further to excellent
The size of first level and MAC Address, to confirm the more qualified issue VLAN map informations of which website；If the S positions received are 1
LSP messages in priority when being higher than the priority of this equipment, then will be original in the vlan information locally preserved in the LSP messages
The covering of VLAN map informations, and the S positions in LSP messages that this equipment is sent are revised as 0；If the S positions received are 1
LSP message priorities are identical with this priority facility, and when the MAC Address in the LSP messages is larger, should locally preserving
Vlan information in LSP messages covers original VLAN map informations, and the S positions in LSP messages that this equipment is sent are repaiied
It is changed to 0.Same reason, when the ED equipment as VLAN map information recipients is received again by from assigned vlan map information
During the LSP messages of publisher, then the VLAN map informations preserved in the LSP messages cover original VLAN map informations.
Description more than, after the program, VLAN mapping functions only need a data-centric wherein
The VLAN mapping relations to each same business of data center's website are configured in the ED equipment of point, without in each data
VLAN mapping relations are configured one by one on the ED of center station point, VLAN used in data central site interworking service can be united
One management, it is easy to safeguard and runs.
Fig. 4 is referred to, in a kind of preferred embodiment of the present invention, the present invention also proposes a kind of data center's website
Between the devices 40 that map of VLAN, applied in EVI networks on any edge equipment ED；ED equipment as carrying apparatus of the present invention
In the hardware structure being related to, CPU, internal memory, nonvolatile memory, I/O interface and other hardware are generally included.It is real with software
Exemplified by existing, apparatus of the present invention 40 are it is generally understood that be carried in the computer program in internal memory, by being formed after CPU operations
The logic device that is combined of software and hardware, the device 40 includes：
Receiving module 41, for receiving the notification packet of other websites in the EVI networks, and obtain the notice report
The identity carried in text and VLAN map informations；
Wherein described VLAN map informations are the VLANID of the different same business of website and Site ID in the EVI networks
Corresponding relation；
Judge module 42, for judging whether the identity marks are default publisher's identity, if it is, by institute
The VLAN map informations in notification packet are stated in local preservation, and itself website is completed according to the VLAN map informations of preservation
VLAN ID conversion.
In the present embodiment, the receiving module 41 is further used for：Receive the same business of administrator configurations difference website
VLAN map informations；Described device also includes：Sending module, VLAN map informations and described are carried for generating
After default publisher's identity, into the EVI networks, other ED equipment send the notification packet.
In the present embodiment, the priority and MAC Address of transmitting terminal website are also included in the notification packet；
The judge module 42 is further used for：When in the notification packet for judging to receive, having in multiple notification packets and take
When the identity of band is default publisher's identity, the VLAN in the notification packet of highest priority is mapped
Information in local preservation, and according to the VLAN map informations of preservation complete itself website VLAN ID change；
It is described default when in the notification packet for judging to receive, there is the identity carried in multiple notification packets
When publisher's identity marks and priority all same, by the VLAN map informations in the maximum notification packet of MAC Address at this
Ground is preserved, and the VLAN ID conversions of itself website are completed according to the VLAN map informations of preservation.
In the present embodiment, the judge module 42 is further used for：When preferential in the notification packet for judging to receive
When level is higher than priority of this equipment as the publisher, by the VLAN map informations in the notification packet in local preservation,
And the VLAN ID that itself website is completed according to the VLAN map informations of preservation are changed；
When the priority in the notification packet for judging to receive is identical simultaneously as the priority of the publisher with this equipment
And MAC Address in the notification packet it is larger when, by the VLAN map informations in the notification packet in local preservation, and according to guarantor
The VLAN map informations deposited complete the VLAN ID conversions of itself website.
In the present embodiment, the notification packet is Intermediate System-to-Intermediate System Link State Protocol Data Unit IS-
IS LSP messages.
By the description of above example, it will be appreciated by those skilled in the art that the wooden unit in embodiment in device can close
And be a module, multiple submodule can also be further split into.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (10)
1. a kind of method that VLAN maps between data center's website, applied in EVI networks on any edge equipment ED, its feature
It is, methods described includes：
The notification packet of other websites in the EVI networks is received, and obtains the identity carried in the notification packet
And VLAN map informations；Wherein described VLAN map informations are the VLAN ID of the different same business of website in the EVI networks
With the corresponding relation of Site ID；
Judge whether the identity marks are default publisher's identity, if it is, the VLAN in the notification packet is reflected
Information is penetrated in local preservation, and the VLAN ID conversions of itself website are completed according to the VLAN map informations of preservation.
2. the method as described in claim 1, it is characterised in that methods described also includes：
Receive the VLAN map informations of the same business of different websites of administrator configurations；
After generation carries the VLAN map informations and default publisher's identity, into the EVI networks
Other ED send the notification packet.
3. method as claimed in claim 2, it is characterised in that also include the priority of transmitting terminal website in the notification packet
And MAC Address；Methods described also includes：
It is the default issue when in the notification packet for judging to receive, there is the identity carried in multiple notification packets
Person's identity, by the VLAN map informations in the notification packet of highest priority in local preservation, and according to preservation
VLAN map informations complete the VLAN ID conversions of itself website；
It is the default issue when in the notification packet for judging to receive, there is the identity carried in multiple notification packets
When person's identity and priority all same, by the VLAN map informations in the maximum notification packet of MAC Address in local guarantor
Deposit, and the VLAN ID conversions of itself website are completed according to the VLAN map informations of preservation.
4. method as claimed in claim 3, it is characterised in that methods described also includes：
When the priority in the notification packet for judging to receive is higher than priority of this equipment as the publisher, this is led to
The VLAN map informations accused in message complete itself website in local preservation, and according to the VLAN map informations of preservation
VLAN ID are changed；
When the priority in the notification packet for judging to receive is identical as the priority of the publisher with this equipment and should
When MAC Address in notification packet is larger, by the VLAN map informations in the notification packet in local preservation, and according to preservation
The VLAN map informations complete the VLAN ID conversions of itself website.
5. method as claimed in claim 4, it is characterised in that the notification packet is Intermediate System-to-Intermediate System link shape
State protocol Data Unit IS-IS LSP messages.
6. the device that VLAN maps between a kind of data center's website, applied in EVI networks on any edge equipment ED, its feature
It is, described device includes：
Receiving module, for receiving the notification packet of other websites in the EVI networks, and obtain and taken in the notification packet
The identity of band and VLAN map informations；Wherein described VLAN map informations are that different websites are same in the EVI networks
The VLAN ID of business and the corresponding relation of Site ID；
Judge module, for judging whether the identity is default publisher's identity, if it is, by the notice
VLAN map informations in message complete according to the VLAN map informations of preservation the VLAN of itself website in local preservation
ID is changed.
7. device as claimed in claim 6, it is characterised in that the receiving module is further used for：Receive administrator configurations
The same business of different websites VLAN map informations；
Described device also includes：Sending module, the VLAN map informations and the default issue are carried for generating
After person's identity, into the EVI networks, other ED send the notification packet.
8. device as claimed in claim 7, it is characterised in that also include the priority of transmitting terminal website in the notification packet
And MAC Address；
The judge module is further used for：
It is the default issue when in the notification packet for judging to receive, there is the identity carried in multiple notification packets
Person's identity marks, by the VLAN map informations in the notification packet of highest priority in local preservation, and according to preservation
VLAN map informations complete the VLAN ID conversions of itself website；
It is the default issue when in the notification packet for judging to receive, there is the identity carried in multiple notification packets
When person's identity and priority all same, by the VLAN map informations in the maximum notification packet of MAC Address in local guarantor
Deposit, and the VLAN ID conversions of itself website are completed according to the VLAN map informations of preservation.
9. device as claimed in claim 8, it is characterised in that the judge module is further used for：
When the priority in the notification packet for judging to receive is higher than priority of this equipment as the publisher, this is led to
The VLAN map informations accused in message complete itself website in local preservation, and according to the VLAN map informations of preservation
VLAN ID are changed；
When the priority in the notification packet for judging to receive is identical as the priority of the publisher with this equipment and should
When MAC Address in notification packet is larger, by the VLAN map informations in the notification packet in local preservation, and according to preservation
The VLAN map informations complete the VLAN ID conversions of itself website.
10. device as claimed in claim 9, it is characterised in that the notification packet is Intermediate System-to-Intermediate System link
Status protocol data units IS-IS LSP messages.
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| CN101453673A (en) * | 2006-08-21 | 2009-06-10 | 华为技术有限公司 | Optical network terminal, and packet process method thereof |
| CN102611634A (en) * | 2012-04-20 | 2012-07-25 | 杭州华三通信技术有限公司 | IP (Internet protocol) network access method and edge device |
| WO2013026384A1 (en) * | 2011-08-23 | 2013-02-28 | 华为技术有限公司 | Service data transmission method, network node and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589471A (en) * | 2012-03-06 | 2012-07-18 | 上海理工大学 | Parallel confocal detection system and method |
| CN102594711B (en) * | 2012-03-28 | 2014-11-26 | 杭州华三通信技术有限公司 | Message forwarding method and edge device therefor |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453673A (en) * | 2006-08-21 | 2009-06-10 | 华为技术有限公司 | Optical network terminal, and packet process method thereof |
| WO2013026384A1 (en) * | 2011-08-23 | 2013-02-28 | 华为技术有限公司 | Service data transmission method, network node and system |
| CN102611634A (en) * | 2012-04-20 | 2012-07-25 | 杭州华三通信技术有限公司 | IP (Internet protocol) network access method and edge device |
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