CN106059928A - Host migration method and device - Google Patents
Host migration method and device Download PDFInfo
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- CN106059928A CN106059928A CN201610382951.9A CN201610382951A CN106059928A CN 106059928 A CN106059928 A CN 106059928A CN 201610382951 A CN201610382951 A CN 201610382951A CN 106059928 A CN106059928 A CN 106059928A
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- main frame
- xtr
- eid
- device identification
- moved
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/60—Router architectures
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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
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention provides a host migration method and device. The method comprises the following steps that: a first xTR receives an online message sent by a host to be immigrated; a first notification message is sent to a MS; attribute information of the host to be immigrated is carried in the first notification message; the attribute information comprises a first address identifier EID of the host to be immigrated; according to a feedback message received from the MS, whether the host to be immigrated is an emigrated host of a second xTR or not can be judged; judgement information used for judging whether the host to be immigrated is the emigrated host of the second xTR or not is carried in the feedback message; and the first xTR immigrates the host to be immigrated if the fact that the host to be immigrated is the emigrated host of the second xTR is determined. By means of the embodiment, the problem that a false host is immigrated due to a false online message can be solved.
Description
Technical field
The present invention relates to communication technical field, particularly to a kind of LISP (Locator Identity Separation
Protocol, station location marker separated protocol) host migration method and device in network.
Background technology
LISP is a kind of position and the procotol of mark separation.LISP network defines two independent ground
Space, location, i.e. EID (Endpoint Identifier, Endpoint ID) address and RLOC (Routing Locator,
Router position) address.Wherein, EID is the host address of communication end point, for showing the identity of main frame；
RLOC is the address of LISP router, for showing the position of router.Tunnel router xTR is ITR
(Engress Tunnel Router, goes out for (Ingress Tunnel Router, enter to tunnel router) and ETR
To tunnel router) general designation, represent router possess ITR and/or ETR ability.XTR preserves
EID-RLOC corresponding relation, safeguards in MS (Map Server, mapping server) and has more fully
EID-RLOC corresponding relation.
In LISP network, main frame can migrate independent of RLOC；In transition process, main frame
EID address is constant.When host migration, can be along with the change of EID-RLOC corresponding relation, therefore
XTR needs to register new EID-RLOC corresponding relation on MS/MR.
Summary of the invention
The purpose of the embodiment of the present invention there are provided a kind of host migration method and device, it is possible to solve due to
The problem that there is the false main frame of moving into that false message of reaching the standard grade causes.
In order to achieve the above object, the invention discloses a kind of host migration method, be applied to station location marker and divide
The first tunnel router xTR in agreement LISP network, a described xTR pass through mapping server
The second tunnel router xTR in MS with LISP network is connected, and described method includes:
Receive the message of reaching the standard grade that main frame to be moved into sends；
Sending the first notice message to described MS, described first notice message carries the genus of the main frame that needs to be moved into
Property information；Described attribute information include described in main frame to be moved into first address mark EID；
According to the feedback message received from MS, it is judged that described in main frame to be moved into whether be moving out of the 2nd xTR
Main frame, described feedback message carries whether main frame to be moved into described in judge is moving out of the 2nd xTR
The judgement information of main frame；
Main frame to be moved into described in if it is determined that is the main frame of moving out of the 2nd xTR, and the most described xTR moves into institute
State main frame to be moved into.
In order to achieve the above object, the invention discloses a kind of host migration device, be applied to station location marker and divide
The first tunnel router xTR in agreement LISP network, a described xTR pass through mapping server
The second tunnel router xTR in MS with LISP network is connected, and described device includes:
Receiver module, for receiving the message of reaching the standard grade that main frame to be moved into sends；
Sending module, for sending the first notice message to described MS, described first notice message carries
The attribute information of main frame to be moved into；Described attribute information include described in main frame to be moved into first address mark
EID；
Judge module, for according to the feedback message received from MS, it is judged that described in main frame to be moved into be whether
The main frame of moving out of the 2nd xTR, whether described feedback message carries described in judge main frame to be moved into and is
The judgement information of the main frame of moving out of the 2nd xTR；
Move into module, for if it is determined that described in main frame to be moved into be the main frame of moving out of the 2nd xTR, then described
Oneth xTR move into described in main frame to be moved into.
As seen from the above technical solution, in the embodiment of the present invention, an xTR sends out receiving main frame to be moved into
Send reach the standard grade message time, to MS send carry an EID first notice message, according to receive feedback report
Literary composition judges that whether main frame to be moved into is the main frame of moving out of the 2nd xTR, if it is, main frame to be moved into of moving into,
I.e. register this main frame to be moved into MS.It is to say, in the present embodiment, before main frame to be moved into of moving into,
First according to an EID of main frame to be moved into and by sending the first notice message to MS, it is judged that this master to be moved into
Whether machine is real main frame to be moved into, if it is, this main frame of moving into.And in prior art, xTR exists
Receive when reaching the standard grade message, directly register main frame to be moved into.Therefore, the application embodiment of the present invention can solve the problem that
Due to the problem that there is the false main frame of moving into that false message of reaching the standard grade causes.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described.It should be evident that describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of principle schematic of host migration in LISP network；
A kind of schematic flow sheet of the host migration method that Fig. 2 provides for the embodiment of the present invention；
A kind of structural representation of the host migration device that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
Fig. 1 is a kind of principle schematic of host migration in LISP network, in Fig. 1, in data center DC2
Main frame VMB migrates at the xTR1 in data center DC1 from xTR2, xTR1 perceive existence newly move into
Main frame VMB time, self adding the routing iinformation of this main frame, and registering this main frame to MS.In reality
In application, xTR may receive the message of reaching the standard grade of falseness, and the EID in message that reaches the standard grade according to this falseness
The false main frame moved into is registered, but the main frame really in reality with this EID is not moved into.This
In the case of Zhong, when the main frame really with this EID is moved into, then can be somebody's turn to do due to cause influences such as address conflicts
The communication of real main frame.
For this problem, present applicant proposes a kind of host migration method and device, it is possible to solve owing to depositing
Reach the standard grade in falseness the problem of false main frame of moving into that message causes.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, complete description.Obviously, described embodiment is only a part of embodiment of the present invention, and not
It it is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained on the premise of the property made work, broadly falls into the scope of protection of the invention.
The schematic flow sheet of a kind of host migration method that Fig. 2 provides for the embodiment of the present invention, is applied to position
The first tunnel router xTR, an xTR in mark separated protocol LISP network are by mapping server MS
It is connected with the second tunnel router xTR in LISP network.Wherein, an xTR is side main frame of moving into, the
Two xTR are side main frame of moving out.Described method includes:
Step S201: receive the message of reaching the standard grade that main frame to be moved into sends.
This message of reaching the standard grade can be gratuitous ARP packet or IP datagram literary composition etc..Reach the standard grade and message generally carries
Need to be moved into first address mark EID and some parameter informations of main frame itself of main frame.
It should be noted that a kind of situation is, if message of reaching the standard grade is message of reaching the standard grade really, to move
Before shifting, main frame to be moved into and the 2nd xTR are connected, and i.e. move out from the 2nd xTR；Another kind of
Situation is, message of reaching the standard grade is false message, and main frame to be moved into not is main frame to be moved into, the most also
Do not move out at the 2nd xTR.In order to determine whether main frame to be moved into is main frame to be moved into,
Following steps can be continued executing with.
In actual applications, when main frame migrates between the xTR of local data center, or from data
When the xTR at center migrates to the xTR of another data center, main frame can be sent out to its xTR moved into
Serve report from a liner literary composition.Therefore, the xTR described in the present embodiment and the 2nd xTR may belong to same
Data center, it is also possible to belong to different data centers, this is not specifically limited by the present invention.
Step S202: send the first notice message to MS, the first notice message carries and needs main frame of moving into
Attribute information.
Wherein, this attribute information includes the first address mark EID of main frame to be moved into.First notice message is used
In the judgement information obtaining the main frame of moving out judging that whether main frame to be moved into be the 2nd xTR.
Above-mentioned judgement information can be that MS determines according to the first notice message received, it is also possible to is MS
After first notice message is forwarded to the 2nd xTR, the 2nd xTR determines.This process includes multiple reality
Executing mode, this is not limited by the present embodiment.
Step S203: according to the feedback message received from MS, it is judged that whether main frame to be moved into is the 2nd xTR
Main frame of moving out.Feedback message carries for judging that whether main frame to be moved into is the master that moves out of the 2nd xTR
The judgement information of machine.
Corresponding with step S202, this step can also include numerous embodiments.
The judgement information that feedback message carries can include polytype, could be for judging main frame to be moved into
It is whether that the 2nd xTR moves out the equipment identification information (the i.e. second device identification) of main frame, it is also possible to be to confirm
Information etc., this is not limited by the present embodiment.The acquisition of feedback message can also include numerous embodiments,
Can be that MS obtains according to the first notice message (such as, according to the EID in the first notice message)
, it is also possible to it is that the 2nd xTR according to the first notice Receive message and is forwarded by MS.
Step S204: if it is determined that the main frame of moving out that main frame to be moved into is the 2nd xTR, then an xTR moves into
Main frame to be moved into.
Further, however, it is determined that main frame to be moved into is not the main frame of moving out of the 2nd xTR, then an xTR is not
Move into main frame to be moved into.
Oneth xTR moves into main frame to be moved into, and the i.e. the oneth xTR self is adding the EID of this main frame to be moved into,
And it is corresponding to register EID-RLOC according to an EID and the RLOC of self of main frame to be moved into MS
Relation.Concrete, xTR main frame of moving into belongs to prior art, and here is omitted for its detailed process.
As shown in the above, in the present embodiment, an xTR is receiving the upper of main frame to be moved into transmission
During report from a liner literary composition, sending the first notice message carrying an EID to MS, the feedback message according to receiving is sentenced
Whether disconnected main frame to be moved into is the main frame of moving out of the 2nd xTR, if it is, main frame to be moved into of moving into, i.e.
This main frame to be moved into is registered to MS.It is to say, in the present embodiment, before main frame to be moved into of moving into,
First according to an EID of main frame to be moved into and by sending the first notice message to MS, it is judged that this waits to move into
Whether main frame is real main frame to be moved into, if it is, this main frame of moving into.And in prior art, xTR
Receive reach the standard grade message time, directly register main frame to be moved into.Therefore, the application embodiment of the present invention can solve
Certainly due to the problem that there is the false main frame of moving into that false message of reaching the standard grade causes
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 2, when feedback message is taken
The judgement information of band is the second device identification, and the second device identification is main frame of moving out in the 2nd xTR
During device identification, step S203, according to the feedback message received from MS, it is judged that whether main frame to be moved into is
The main frame of moving out of the 2nd xTR, specifically may include that
Step 1 a: xTR judges whether to exist in the second device identification the first device identification.First equipment
It is designated in message of reaching the standard grade the device identification of the main frame to be moved into carried.If existing, then perform step 2.
Wherein, device identification can be the media access address MAC Address of main process equipment, it is also possible to be pre-
It is first the Unique Device numbering etc. of each main frame setting, naturally it is also possible to be other marks, as long as be used for marking
Showing the mark of main process equipment, can serve as the device identification of the present embodiment, the present embodiment is to its concrete form
Do not limit.
It should be noted that in the present embodiment, the possible more than one of the second device identification, if the second equipment
Mark exists the first device identification, the main frame of moving out that main frame to be moved into is the 2nd xTR is i.e. described.
Step 2: main frame to be moved into described in determining is the main frame of moving out of the 2nd xTR.
In the present embodiment, the step obtaining the second device identification may include that according in the first notice message
The EID carried, and the device identification of the EID of the main frame of moving out of the 2nd xTR and main frame of moving out
Corresponding relation, obtains the second device identification.This process specifically can include numerous embodiments, is exemplified below
Explanation.
A kind of embodiment is:
When MS receives the first notice message, obtaining an EID from the first notice message, MS sentences
Whether disconnected described corresponding relation existing the 2nd EID mated with an EID, if existing, then obtaining described
The second device identification corresponding for EID with the 2nd in corresponding relation, carries second to an xTR transmission and sets
The feedback message of standby mark.
In this embodiment, described corresponding relation is stored in MS.Described corresponding relation is permissible
It is pre-configured in MS, it is also possible to be that MS is obtaining and preserving in the interaction of the 2nd xTR
's.After MS receives the first notice, according to the described corresponding relation of self storage, send to an xTR
Carrying the feedback message of the second device identification, an xTR judges main frame to be moved into according to the second device identification
It it is whether the main frame of moving out of the 2nd xTR.
It is understood that except preserving the EID of the main frame of moving out of the 2nd xTR and main frame of moving out in MS
Device identification corresponding relation outside, it is also possible to the main frame EID preserving other multiple xTR sets with main frame
The corresponding relation of standby mark, when there is multiple corresponding relation, MS can utilize in the first notice message
Multiple corresponding relations are judged by attribute information respectively.
Another embodiment is:
When the 2nd xTR receives the first notice message that MS forwards, from the first notice message, obtain the
One EID, the 2nd xTR judge whether there is the 2nd EID mated with an EID in described corresponding relation,
If existing, obtaining the second device identification corresponding for EID with the 2nd in described corresponding relation, and sending to MS
Carry the feedback message of the second device identification, so that feedback message is transmitted to an xTR by MS.
In this embodiment, during described corresponding relation is stored in the 2nd xTR.Described corresponding pass
System can be pre-configured in the 2nd xTR, it is also possible to is that the 2nd xTR is in the interaction with main frame
Middle acquisition also preserves.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 2, when feedback message is taken
Confirmation (this confirmation that judgement information is the main frame of moving out confirming that main frame to be moved into is the 2nd xTR of band
Information can use the character specified to identify) time, step S203, according to the feedback message received from MS,
Judging that whether main frame to be moved into is the main frame of moving out of the 2nd xTR, if specifically may include that, an xTR exists
Receive feedback message in preset time period, then determine that main frame to be moved into is the 2nd xTR according to confirmation
Main frame of moving out.
If it is to say, an xTR is not received by feeding back message in preset time period, or such as
Really but an xTR have received feedback message in preset time period do not carries corresponding in feedback message
Confirmation, then illustrate that main frame to be moved into is not the main frame of moving out of the 2nd xTR.
In the present embodiment, the attribute information in the first notice message can also include the first device identification, the
One device identification is the device identification of the main frame to be moved into carried in message of reaching the standard grade.
When also carrying the first device identification in the first notice message, the step obtaining confirmation may include that
According to the EID that carries and the first device identification in the first notice message, and the moving out of the 2nd xTR
The EID of main frame and the corresponding relation of the device identification of main frame of moving out, obtain confirmation.This process specifically may be used
To include numerous embodiments, it is exemplified below explanation.
A kind of embodiment is:
When MS receives the first notice message, from the first notice message, obtain an EID and first set
Standby mark, MS judges whether to exist in described corresponding relation the right of a described EID and the first device identification
Should being related to, if existing, then obtaining the confirmation of the main frame of moving out confirming that main frame to be moved into is the 2nd xTR,
And the feedback message of confirmation is carried to an xTR transmission.
In this embodiment, described corresponding relation is stored in MS.Above-mentioned judge process is concrete
May include that MS judges whether to there is the 2nd EID mated with an EID in described corresponding relation, if
Exist, then obtain in described corresponding relation with described 2nd the second corresponding for EID device identification, then judge
Whether the second device identification exists the first device identification, if existing, then obtains and confirm that main frame to be moved into is the
The confirmation of the main frame of moving out of two xTR.
If it is understood that MS judges to exist in described corresponding relation an EID and the first equipment
The corresponding relation of mark, then illustrate the main frame of moving out that main frame to be moved into is the 2nd xTR, at this moment, to first
XTR feedback acknowledgment information.When oneth xTR receives this confirmation, can confirm that master to be moved into
Machine is the main frame of moving out of the 2nd xTR, and message of i.e. reaching the standard grade is real, moves into and waits main frame to be moved into.
Another embodiment is:
When the 2nd xTR receives the first notice message that MS forwards, from the first notice message, obtain the
One EID and the first device identification, the 2nd xTR judges whether there is a described EID in described corresponding relation
With the corresponding relation of the first device identification, if existing, then obtain and confirm that main frame to be moved into is the 2nd xTR's
Move out the confirmation of main frame, and send the feedback message carrying confirmation to MS, so that MS will
Feedback message is transmitted to an xTR.
In this embodiment, during described corresponding relation is stored in the 2nd xTR.Above-mentioned judged
Whether journey specifically may include that the 2nd xTR to judge in described corresponding relation to exist mates with an EID
2nd EID, if existing, then obtains the second device identification corresponding for EID with the 2nd in described corresponding relation,
And judge whether the second device identification exists the first device identification, if existing, then obtain and confirm master to be moved into
Machine is the confirmation of the main frame of moving out of the 2nd xTR.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 2, when described corresponding relation
When being stored in MS, for the described corresponding relation that upgrades in time, in order to make the corresponding relation of storage on equipment
More accurate, described method can also include:
When an xTR determine wait main frame of moving into be the 2nd xTR move out main frame time, according to an EID and
First device identification, notice MS updates described corresponding relation.
Concrete, an xTR can carry the in logon message when registering an EID to MS
One device identification, MS, when receiving logon message, updates an EID and the RLOC of an xTR
Corresponding relation while, update an EID and the corresponding relation of the first device identification.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 2, when described corresponding relation
When being stored in the 2nd xTR, for the described corresponding relation that upgrades in time, in order to make on equipment the right of storage
It is more accurate to be related to, described method can also include:
When an xTR determine wait main frame of moving into be the 2nd xTR move out main frame time, according to an EID and
By MS, first device identification, notifies that the 2nd xTR updates described corresponding relation.
Concrete, an xTR can carry the in logon message when registering an EID to MS
One device identification, MS, when receiving logon message, updates an EID and the RLOC of an xTR
Corresponding relation while, the corresponding relation of an EID and the first device identification is sent to the 2nd xTR,
2nd xTR is updated operation after receiving this corresponding relation.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 2, described method is all right
Including:
When an xTR determine wait main frame of moving into be the 2nd xTR move out main frame time, preserve an EID with
The corresponding relation of the first device identification.So, when this is moved out from an xTR again wait main frame of moving into,
Oneth xTR can send device identification or confirmation to the new side xTR that moves into, in order to main frame to be moved into
Again occur to be able to confirm that whether message of reaching the standard grade is message of reaching the standard grade really when migrating.
The the first notice message and the feedback message that relate in each embodiment above-mentioned all can be by existing skills
Message in art improves and realizes.Concrete, the first notice message can use the notice report after improvement
Literary composition Map-Notify is transmitted, and wherein carries an EID and the RLOC of an xTR, optionally,
Map-Notify message can also carry the first device identification.After feedback message can also use improvement
Map-Notify message is transmitted, and wherein carries the second device identification or confirmation.When this message by
When MS sends, Map-Notify message can carry the mark of MS, maybe be sent out by the 2nd xTR when this message
Send, when being transmitted to an xTR by MS, Map-Notify message can carry the RLOC of the 2nd xTR,
So, an xTR can determine this message according to these marks carried in Map-Notify message
Source.
A kind of structural representation of the host migration device that Fig. 3 provides for the embodiment of the present invention, is applied to position
The first tunnel router xTR in mark separated protocol LISP network, an xTR passes through mapping server
The second tunnel router xTR in MS with LISP network is connected.Described device is real with method described in Fig. 2
Executing example corresponding, described device includes receiver module 301, sending module 302, judge module 303 and moves
Enter module 304.
Wherein, receiver module 301, for receiving the message of reaching the standard grade that main frame to be moved into sends；
Sending module 302, for sending the first notice message to described MS, described first notice message is taken
Band needs to be moved into the attribute information of main frame；Described attribute information include described in the first address label of main frame to be moved into
Know EID；
Judge module 303, for according to from MS receive feedback message, it is judged that described in main frame to be moved into be
No is the main frame of moving out of the 2nd xTR, and described feedback message carries main frame to be moved into described in judge and is
The judgement information of the no main frame of moving out being the 2nd xTR；
Move into module 304, for if it is determined that described in main frame to be moved into be the main frame of moving out of the 2nd xTR, then institute
State an xTR move into described in main frame to be moved into.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 3, when feedback message is taken
The judgement information of band is the second device identification, and described second device identification is main frame of moving out in the 2nd xTR
During device identification, described judge module, specifically may be used for an xTR and judge described second device identification
In whether there is the first device identification, described first device identification be described in reach the standard grade waiting of carrying in message move into
The device identification of main frame；If existing, it is determined that described in main frame to be moved into be the main frame of moving out of the 2nd xTR.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 3, described device is all right
Including the first acquisition module (not shown), for according to first carried in described first notice message
EID, and the EID of the main frame of moving out of the 2nd xTR and the corresponding relation of the device identification of main frame of moving out, obtain
Take described second device identification, specifically include:
When described MS receives the first notice message, from described first notice message, obtain an EID；
Judge whether described corresponding relation exists the 2nd EID mated with a described EID；If existing, then obtain
Take in described corresponding relation with described 2nd the second corresponding for EID device identification, to the oneth xTR send take
Feedback message with described second device identification；Or,
When described 2nd xTR receives the first notice message that described MS forwards, from described first notice
Message obtains an EID；Judge whether described corresponding relation exists mated with a described EID
Two EID；If exist, obtain in described corresponding relation with described 2nd the second corresponding for EID device identification,
And send to described MS and to carry the feedback message of described second device identification, so that described MS is by described
Feedback message is transmitted to a described xTR.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 3, when described feedback message
In the judgement information carried be main frame to be moved into described in confirming be the confirmation of main frame of moving out of the 2nd xTR
Time, described judge module, if specifically may be used for an xTR receive in preset time period described instead
Feedback message, then according to described confirmation determine described in main frame to be moved into be the main frame of moving out of the 2nd xTR.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 3, described attribute information is also
Can include that the first device identification, described first device identification are reached the standard grade the master to be moved into carried in message described in being
The device identification of machine；
So, described device can also include the second acquisition module (not shown), for according to described
The EID carried in first notice message and the first device identification, and the main frame of moving out of the 2nd xTR
EID and the corresponding relation of the device identification of main frame of moving out, obtain described confirmation, specifically include:
When described MS receives the first notice message, from described first notice message, obtain described first
EID and the first device identification；Judge whether described corresponding relation exists a described EID and the first equipment
The corresponding relation of mark；If existing, then obtain the master that moves out that main frame to be moved into described in confirming is the 2nd xTR
The confirmation of machine, and the feedback message carrying described confirmation is sent to a described xTR；Or
Person,
When described 2nd xTR receives the first notice message that described MS forwards, from described first notice
Message obtains a described EID and the first device identification；Judge whether described corresponding relation exists described
Oneth EID and the corresponding relation of the first device identification；If existing, then obtaining main frame to be moved into described in confirming is
The confirmation of the main frame of moving out of the 2nd xTR, and carry the anti-of described confirmation to described MS transmission
Feedback message, so that described feedback message is transmitted to a described xTR by described MS.
In another embodiment of the invention, on the basis of embodiment illustrated in fig. 3, described device is all right
Including more new module (not shown), main frame to be moved into described in determine as a described xTR is the
Two xTR move out main frame time, according to a described EID and the first device identification, notify described MS more
New described corresponding relation；Or,
For described in determining as a described xTR wait main frame of moving into be the 2nd xTR move out main frame time, according to
By described MS, a described EID and the first device identification, notify that described 2nd xTR updates described corresponding pass
System.
Owing to said apparatus embodiment obtains based on embodiment of the method, with the method, there is identical technology
Effect, therefore the technique effect of device embodiment does not repeats them here.
For device embodiment, owing to it is substantially similar to embodiment of the method, so describing to obtain ratio
Relatively simple, relevant part sees the part of embodiment of the method and illustrates.
It should be noted that in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these
Relation or the order of any this reality is there is between entity or operation.And, term " includes ", " bag
Contain " or any other variant be intended to comprising of nonexcludability, so that include a series of key element
Process, method, article or equipment not only include those key elements, but also its including being not expressly set out
His key element, or also include the key element intrinsic for this process, method, article or equipment.Do not having
In the case of having more restriction, statement " including ... " key element limited, it is not excluded that including
The process of described key element, method, article or equipment there is also other identical element.
It will appreciated by the skilled person that all or part of step in above-mentioned embodiment is can
Being completed by the hardware that programmed instruction is relevant, described program can be stored in embodied on computer readable storage
In medium.Storage medium designated herein, refers to ROM/RAM, magnetic disc, CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.
All any modification, equivalent substitution and improvement etc. done within the spirit and principles in the present invention, are all contained in
In protection scope of the present invention.
Claims (12)
1. a host migration method, it is characterised in that be applied to station location marker separated protocol LISP network
In the first tunnel router xTR, a described xTR by mapping server MS and LISP network
The second tunnel router xTR be connected, described method includes:
Receive the message of reaching the standard grade that main frame to be moved into sends；
Sending the first notice message to described MS, described first notice message carries the genus of the main frame that needs to be moved into
Property information；Described attribute information include described in main frame to be moved into first address mark EID；
According to the feedback message received from MS, it is judged that described in main frame to be moved into whether be moving out of the 2nd xTR
Main frame, described feedback message carries whether main frame to be moved into described in judge is moving out of the 2nd xTR
The judgement information of main frame；
Main frame to be moved into described in if it is determined that is the main frame of moving out of the 2nd xTR, and the most described xTR moves into institute
State main frame to be moved into.
Method the most according to claim 1, it is characterised in that the judgement carried in described feedback message
Information is the second device identification, and described second device identification is the device identification of main frame of moving out in the 2nd xTR；
The feedback message that described basis receives from MS, it is judged that described in main frame to be moved into whether be the 2nd xTR
Main frame of moving out, specifically include:
Oneth xTR judges whether to exist in described second device identification the first device identification, and described first sets
Standby be designated described in reach the standard grade the device identification of the main frame to be moved into carried in message；
If existing, it is determined that described in main frame to be moved into be the main frame of moving out of the 2nd xTR.
Method the most according to claim 2, it is characterised in that take according in described first notice message
Oneth EID of band, and the EID of the main frame of moving out of the 2nd xTR and the device identification of main frame of moving out is right
Should be related to that the method obtaining described second device identification specifically includes:
When described MS receives the first notice message, from described first notice message, obtain an EID；
Judge whether described corresponding relation exists the 2nd EID mated with a described EID；
If exist, then obtain in described corresponding relation with described 2nd the second corresponding for EID device identification, to
Oneth xTR sends the feedback message carrying described second device identification；
Or,
When described 2nd xTR receives the first notice message that described MS forwards, from described first notice
Message obtains an EID；
Judge whether described corresponding relation exists the 2nd EID mated with a described EID；
If exist, obtain in described corresponding relation with described 2nd the second corresponding for EID device identification, and to
Described MS sends the feedback message carrying described second device identification, so that described MS is by described feedback
Message is transmitted to a described xTR.
Method the most according to claim 1, it is characterised in that the judgement carried in described feedback message
Information be main frame to be moved into described in confirming be the confirmation of main frame of moving out of the 2nd xTR；
The feedback message that described basis receives from MS, it is judged that described in main frame to be moved into whether be the 2nd xTR
Main frame of moving out, specifically include:
If an xTR receives described feedback message in preset time period, then according to described confirmation
Main frame to be moved into described in determining is the main frame of moving out of the 2nd xTR.
Method the most according to claim 4, it is characterised in that described attribute information also includes that first sets
Standby mark, described first device identification be described in reach the standard grade the device identification of the main frame to be moved into carried in message；
According to the EID carried in described first notice message and the first device identification, and the 2nd xTR
The EID of main frame of moving out and the corresponding relation of the device identification of main frame of moving out, obtain the side of described confirmation
Method, specifically includes:
When described MS receives the first notice message, from described first notice message, obtain described first
EID and the first device identification；
Judge whether described corresponding relation exists a described EID and the corresponding relation of the first device identification；
If existing, then obtain the confirmation of the main frame of moving out that main frame to be moved into described in confirming is the 2nd xTR,
And the feedback message of described confirmation is carried to a described xTR transmission；
Or,
When described 2nd xTR receives the first notice message that described MS forwards, from described first notice
Message obtains a described EID and the first device identification；
Judge whether described corresponding relation exists a described EID and the corresponding relation of the first device identification；
If existing, then obtain the confirmation of the main frame of moving out that main frame to be moved into described in confirming is the 2nd xTR,
And send to described MS and to carry the feedback message of described confirmation, so that described MS is by described feedback
Message is transmitted to a described xTR.
6. according to the method described in any one of claim 3 or 5, it is characterised in that described method also includes:
When described in a described xTR determines wait main frame of moving into be the 2nd xTR move out main frame time, according to institute
State an EID and the first device identification, notify that described MS updates described corresponding relation；Or
When described in a described xTR determines wait main frame of moving into be the 2nd xTR move out main frame time, according to institute
State an EID and the first device identification, notify that described 2nd xTR updates described correspondence by described MS
Relation.
7. a host migration device, it is characterised in that be applied to station location marker separated protocol LISP network
In the first tunnel router xTR, a described xTR by mapping server MS and LISP network
The second tunnel router xTR be connected, described device includes:
Receiver module, for receiving the message of reaching the standard grade that main frame to be moved into sends；
Sending module, for sending the first notice message to described MS, described first notice message carries
The attribute information of main frame to be moved into；Described attribute information include described in main frame to be moved into first address mark
EID；
Judge module, for according to the feedback message received from MS, it is judged that described in main frame to be moved into be whether
The main frame of moving out of the 2nd xTR, whether described feedback message carries described in judge main frame to be moved into and is
The judgement information of the main frame of moving out of the 2nd xTR；
Move into module, for if it is determined that described in main frame to be moved into be the main frame of moving out of the 2nd xTR, then described
Oneth xTR move into described in main frame to be moved into.
Device the most according to claim 7, it is characterised in that the judgement carried in described feedback message
Information is the second device identification, and described second device identification is the device identification of main frame of moving out in the 2nd xTR；
Described judge module, judges whether have in described second device identification specifically for an xTR
One device identification, described first device identification be described in reach the standard grade the equipment mark of the main frame to be moved into carried in message
Know；If existing, it is determined that described in main frame to be moved into be the main frame of moving out of the 2nd xTR.
Device the most according to claim 8, it is characterised in that described device also includes the first acquisition mould
Block, is used for according to the EID carried in described first notice message, and the main frame of moving out of the 2nd xTR
EID and the corresponding relation of the device identification of main frame of moving out, obtain described second device identification；Specifically include:
When described MS receives the first notice message, from described first notice message, obtain an EID；
Judge whether described corresponding relation exists the 2nd EID mated with a described EID；If existing, then obtain
Take in described corresponding relation with described 2nd the second corresponding for EID device identification, to the oneth xTR send take
Feedback message with described second device identification；
Or,
When described 2nd xTR receives the first notice message that described MS forwards, from described first notice
Message obtains an EID；Judge whether described corresponding relation exists mated with a described EID
Two EID；If exist, obtain in described corresponding relation with described 2nd the second corresponding for EID device identification,
And send to described MS and to carry the feedback message of described second device identification, so that described MS is by described
Feedback message is transmitted to a described xTR.
Device the most according to claim 7, it is characterised in that carries in described feedback message sentences
Disconnected information be main frame to be moved into described in confirming be the confirmation of main frame of moving out of the 2nd xTR；
Described judge module, if receive described feedback report specifically for an xTR in preset time period
Literary composition, then according to described confirmation determine described in main frame to be moved into be the main frame of moving out of the 2nd xTR.
11. devices according to claim 10, it is characterised in that described attribute information also includes first
Device identification, described first device identification be described in reach the standard grade the device identification of the main frame to be moved into carried in message；
Described device also includes the second acquisition module, for according to first carried in described first notice message
EID and the first device identification, and the equipment mark of the EID of the main frame of moving out of the 2nd xTR and main frame of moving out
The corresponding relation known, obtains described confirmation；Specifically include:
When described MS receives the first notice message, from described first notice message, obtain described first
EID and the first device identification；Judge whether described corresponding relation exists a described EID and the first equipment
The corresponding relation of mark；If existing, then obtain the master that moves out that main frame to be moved into described in confirming is the 2nd xTR
The confirmation of machine, and the feedback message carrying described confirmation is sent to a described xTR；
Or,
When described 2nd xTR receives the first notice message that described MS forwards, from described first notice
Message obtains a described EID and the first device identification；Judge whether described corresponding relation exists described
Oneth EID and the corresponding relation of the first device identification；If existing, then obtaining main frame to be moved into described in confirming is
The confirmation of the main frame of moving out of the 2nd xTR, and carry the anti-of described confirmation to described MS transmission
Feedback message, so that described feedback message is transmitted to a described xTR by described MS.
12. according to the device described in any one of claim 9 or 11, it is characterised in that described device also wraps
Include more new module, be used for the master that moves out that main frame to be moved into described in determining as a described xTR is the 2nd xTR
During machine, according to a described EID and the first device identification, notify that described MS updates described corresponding relation；
Described more new module, be additionally operable to determine as a described xTR described in main frame to be moved into be the 2nd xTR
Move out main frame time, according to a described EID and the first device identification, notify described by described MS
Two xTR update described corresponding relation.
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