CN104683238B - The transmission method and equipment of a kind of data message in LISP network - Google Patents
The transmission method and equipment of a kind of data message in LISP network Download PDFInfo
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- CN104683238B CN104683238B CN201510036045.9A CN201510036045A CN104683238B CN 104683238 B CN104683238 B CN 104683238B CN 201510036045 A CN201510036045 A CN 201510036045A CN 104683238 B CN104683238 B CN 104683238B
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Abstract
The invention discloses the transmission methods and equipment of the data message in a kind of LISP network, this method comprises: tunnel portal router receives the first data message from terminal device, the corresponding precedence information of the terminal device is carried in first data message, the first tunnel head of the precedence information is carried for the encapsulation of the first data message, and the first data message is sent to tunnel outlet router；Tunnel outlet router decapsulates first tunnel head, and the first data message is sent to service server；The tunnel portal router receives the second data message that the terminal device is sent to from tunnel outlet router, second data message encapsulates the second tunnel head for carrying the precedence information, second tunnel head is decapsulated, and the second data message is sent to the terminal device.In the embodiment of the present invention, it is ensured that the message of high priority is preferentially forwarded, and guarantees the message of high priority not packet loss.
Description
Technical field
The present invention relates to field of communication technology, transmission method more particularly, to the data message in a kind of LISP network and
Equipment.
Background technique
As shown in Figure 1, for LISP (Location/ID Separation Protocol, position and identity separated protocol)
The networking schematic diagram of network, the LISP network network ip address can be divided into EID (Endpoint ID, end mark) and
RLOC (Routing Locator, route locating).Wherein, the mapping relations of EID-to-RLOC can be introduced in LISP network,
The EID does not have global routing function, and the RLOC is routed for the whole network for identifying host.In LISP network, IPv4 or
Person IPv6 host only identifies its ID, and position is by ITR (Ingress Tunnel Router, tunnel portal router)/ETR
(Egress Tunnel Router, tunnel outlet router) identifies, ITR and ETR be it is opposite, determined according to message direction
ITR and ETR.For example, in the 1 place domain LISP of host is ITR, the 2 place domain LISP of host when host 1 sends message to host 2
That interior is ETR；When host 2 sends message to host 1, that in the 2 place domain LISP of host is ITR, in the 1 place domain LISP of host
It is ETR.It include data plane and control plane in LISP network, data plane is mainly used for encapsulation/decapsulation of message and turns
Hair, control plane mainly complete the mapping of EID and RLOC.
In LISP network, when there are the messages of priority difference to need through ISP (Internet Service
Provider, Internet Service Provider) network transmission when, then each forwarding device in ISP network does not perceive these messages
Priority difference.Based on this, when congestion occurs in link, do not ensure that the message of high priority is preferentially forwarded, thus
Lead to the message of high priority also to will appear packet loss.
Summary of the invention
The embodiment of the present invention provides the transmission method of a kind of position and the data message in identity separated protocol LISP network,
It the described method comprises the following steps:
Tunnel portal router receives the first data message from terminal device, carries in first data message
The corresponding precedence information of the terminal device；The first tunnel of the precedence information is carried for the encapsulation of the first data message
Head, and the first data message is sent to tunnel outlet router, first tunnel head is decapsulated by tunnel outlet router,
And the first data message is sent to service server；
The tunnel portal router receives the mapping request message from tunnel outlet router, and goes out to the tunnel
Mouth router sends mapping response message, described to map the address information that the terminal device is carried in response message, the tunnel
Mapping relations between the address information of road ingress router, the precedence information；The tunnel portal router, which receives, to be come
The second data message of the terminal device is sent to from tunnel outlet router, second data message is routed by tunnel exit
It is described preferential that device encapsulates carrying after receiving the second data message from the service server, using the mapping relations
Second tunnel head of grade information；The tunnel portal router de-encapsulates fill second tunnel head, and the second data message is sent out
Give the terminal device.
The tunnel portal router is the first tunnel head that the encapsulation of the first data message carries the precedence information
Process specifically includes:
The tunnel portal configuration of routers internal layer service code point DSCP that checks the mark is mapped to the service quality of outer layer DSCP
Qos policy, the qos policy are used for the precedence information for the dscp field for making tunnel portal router using the first data message
Obtain the precedence information of the dscp field of the first tunnel head；
The tunnel portal router is after receiving the first data message, from the dscp field of first data message
The corresponding precedence information of the terminal device is obtained, and adds the precedence information in the dscp field of the first tunnel head,
And first tunnel head is encapsulated for first data message.
The method further includes: the tunnel portal router sends mapping logon message to mapping server；Its
In, address information, the institute of all terminal devices of the tunnel portal router administration are carried in the mapping logon message
State the address information of tunnel portal router；By the mapping server in end mark EID, route locating RLOC mapping table
Record the mapping relations between the address information of each terminal device, the address information of the tunnel portal router.
The embodiment of the present invention provides the transmission method of a kind of position and the data message in identity separated protocol LISP network,
It the described method comprises the following steps:
Tunnel outlet router receives the first data message from tunnel portal router, the first data message quilt
Tunnel portal router is receiving the first datagram for carrying the corresponding precedence information of terminal device from terminal device
Wen Hou encapsulates the first tunnel head for carrying the precedence information；The tunnel outlet router decapsulates first tunnel
First data message is sent to service server by trace header；
The tunnel outlet router receives the second datagram that the terminal device is sent to from the service server
Text, and determine that the address information, the address information of the tunnel portal router, the terminal device of the terminal device are corresponding
Precedence information between mapping relations；
The tunnel outlet router is that second data message encapsulation carries the terminal using the mapping relations
Second tunnel head of the corresponding precedence information of equipment, and the second data message is sent to the tunnel portal router；By
The tunnel portal router de-encapsulates fill second tunnel head, and the second data message is sent to the terminal device.
The tunnel outlet router determines the address of the address information of the terminal device, the tunnel portal router
The process of mapping relations between information, the corresponding precedence information of the terminal device, specifically includes: the tunnel exit road
By device after receiving the second data message, judges that end identifies EID, whether record described second in route locating RLOC mapping table
The corresponding record of the destination address of data message；If it is, obtaining the terminal device in RLOC mapping table from the EID
Address information, the address information of the tunnel portal router, reflecting between the corresponding precedence information of the terminal device
Penetrate relationship；If it is not, then the tunnel outlet router sends mapping request message to the tunnel portal router, and receive
The mapping response message that the tunnel portal router is sent to the tunnel outlet router is taken in the mapping response message
Address information with the terminal device, the address information of the tunnel portal router, the terminal device are corresponding preferential
Mapping relations between grade information；The tunnel outlet router obtains the terminal device from the mapping response message
Address information, the address information of the tunnel portal router, the mapping between the corresponding precedence information of the terminal device
Relationship.
The embodiment of the present invention provides the tunnel portal router in a kind of position and identity separated protocol LISP network, described
Tunnel portal router specifically includes:
Receiving module, for receiving the first data message from terminal device；Wherein, it is taken in first data message
With the corresponding precedence information of the terminal device；Sending module, described in being carried for first data message encapsulation
First tunnel head of the corresponding precedence information of terminal device, and first data message is sent to tunnel exit routing
Device decapsulates first tunnel head by the tunnel outlet router, and first data message is sent to business clothes
Business device；
The receiving module is also used to receive the mapping request message from the tunnel outlet router；The transmission
Module is also used to send mapping response message to the tunnel outlet router；Wherein, it is carried in the mapping response message
The address information of the terminal device, the address information of the tunnel portal router, the corresponding priority of the terminal device
Mapping relations between information；
The receiving module is also used to receive the second datagram that the terminal device is sent to from tunnel outlet router
Text, second data message by tunnel outlet router after receiving the second data message from the service server,
The the second tunnel head for carrying the precedence information is encapsulated using the mapping relations；The sending module is also used to unseal
Second tunnel head is filled, and the second data message is sent to the terminal device.
The sending module, be specifically used for for first data message encapsulation carrying terminal device it is corresponding excellent
During first tunnel head of first grade information, the configuration internal layer service code point DSCP that checks the mark is mapped to the Service Quality of outer layer DSCP
Qos policy is measured, the priority that the qos policy is used for the dscp field for making tunnel portal router using the first data message is believed
Breath obtains the precedence information of the dscp field of the first tunnel head；After receiving the first data message, from first data
The dscp field of message obtains the corresponding precedence information of the terminal device, and adds institute in the dscp field of the first tunnel head
Precedence information is stated, and encapsulates first tunnel head for first data message.
The sending module is also used to send mapping logon message to mapping server；Wherein, the mapping logon message
In carry the address information of all terminal devices of the tunnel portal router administration, the ground of the tunnel portal router
Location information；EID is identified in end by the mapping server, the address of each terminal device is recorded in route locating RLOC mapping table
Mapping relations between information, the address information of the tunnel portal router.
The embodiment of the present invention provides the tunnel outlet router in a kind of position and identity separated protocol LISP network, described
Tunnel outlet router specifically includes:
Receiving module, for receiving the first data message from tunnel portal router, the first data message quilt
Tunnel portal router is receiving the first datagram for carrying the corresponding precedence information of terminal device from terminal device
Wen Hou encapsulates the first tunnel head for carrying the precedence information；Sending module, for decapsulating first tunnel head,
And the first data message is sent to service server；
The receiving module is also used to receive the second datagram that the terminal device is sent to from the service server
Text, and determine that the address information, the address information of the tunnel portal router, the terminal device of the terminal device are corresponding
Precedence information between mapping relations；
The sending module is also used to be that second data message encapsulation carries the terminal using the mapping relations
Second tunnel head of the corresponding precedence information of equipment, and the second data message is sent to the tunnel portal router；By
The tunnel portal router de-encapsulates fill second tunnel head, and the second data message is sent to the terminal device.
The receiving module, specifically for determine the terminal device address information, the tunnel portal router
Address information, during the mapping relations between the corresponding precedence information of the terminal device, receiving the second data
After message, judges that end identifies EID, the destination address of second data message whether is recorded in route locating RLOC mapping table
Corresponding record；If it is, from the EID, the address information of the acquisition terminal device, the tunnel in RLOC mapping table
Mapping relations between the address information of ingress router, the corresponding precedence information of the terminal device；If it is not, then to institute
It states tunnel portal router and sends mapping request message, and receive the mapping response message from the tunnel portal router,
The address information of the terminal device, the address information of the tunnel portal router, institute are carried in the mapping response message
State the mapping relations between the corresponding precedence information of terminal device；The terminal device is obtained from the mapping response message
Address information, the address information of the tunnel portal router, reflecting between the corresponding precedence information of the terminal device
Penetrate relationship.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, when the message of different priorities is transmitted by ISP network,
If congestion occurs in link, it can guarantee that the message of high priority is preferentially forwarded, it is high preferential so as to avoid
There is packet loss in the message of grade, i.e. the message of guarantee high priority not packet loss.
Detailed description of the invention
Fig. 1 is the networking schematic diagram of LISP network；
Fig. 2 is a kind of transmission method flow diagram of data message provided in an embodiment of the present invention；
Fig. 3 is the form schematic diagram of the mapping response message after the extension proposed in the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of tunnel portal router provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of tunnel outlet router provided in an embodiment of the present invention.
Specific embodiment
Aiming at the problems existing in the prior art, the embodiment of the present invention provides a kind of biography of the data message in LISP network
Transmission method, using Fig. 1 as the application scenarios schematic diagram of the embodiment of the present invention, this method is applied to the LISP net including multiple domains LISP
In network, the domain LISP S is communicated by ISP network with the domain LISP D.With in the S of the domain LISP terminal device (such as host A, host B,
Host C) need to access service server (such as server A, server B) in the D of the domain LISP for, then include tunnel in the S of the domain LISP
Road ingress router (such as ITR1, ITR2), the domain LISP D interior includes tunnel outlet router (such as ETR1, ETR2).In addition, ISP net
Further include MS (Map Server, mapping server) in network, safeguards EID on the mapping server, RLOC mapping table, the EID,
RLOC mapping table is used to record the mapping relations between the IP address of terminal device, the IP address of tunnel portal router, and remembers
Record the mapping relations between the address information of service server, the address information of tunnel outlet router.
In the embodiment of the present invention, in initial registration procedure, tunnel portal router sends mapping note to mapping server
Volume message (Map-Register) carries all terminal devices of tunnel portal router administration in the mapping logon message
The address information of address information, tunnel portal router；Mapping server reflects after receiving mapping logon message in EID, RLOC
The mapping relations between the address information of each terminal device, the address information of tunnel portal router are recorded in firing table.Tunnel goes out
Mouth router sends mapping logon message to mapping server, carries tunnel outlet router management in the mapping logon message
All service servers address information, the address information of tunnel outlet router；Mapping server is receiving mapping registration
After message, the address information of each service server, the address information of tunnel outlet router are recorded in EID, RLOC mapping table
Between mapping relations.
As shown in Figure 1, the ITR1 in the S of the domain LISP carries following letter into the mapping logon message that mapping server is sent
Breath: the mapping relations between the IP address (1.0.1.1/24) of host A, the IP address (10.0.0.1) of ITR1；The IP of host B
Location (1.0.2.1/24), ITR1 IP address (10.0.0.1) between mapping relations；IP address (the 1.0.3.1/ of host C
24), the mapping relations between the IP address (10.0.0.1) of ITR1.Mapping server receive mapping logon message after,
The following list item of maintenance in EID, RLOC mapping table: (1.0.1.1,10.0.0.1), (1.0.2.1,10.0.0.1), (1.0.3.1,
10.0.0.1).Further, the ETR1 in the D of the domain LISP carries following letter into the mapping logon message that mapping server is sent
Breath: the mapping relations between the IP address (2.0.1.2/24) of server A, the IP address (12.0.0.2) of ETR1；Server B
Mapping relations between IP address (2.0.2.2/24), the IP address (12.0.0.2) of ETR1.Mapping server is receiving mapping
, can be in EID after logon message, the following list item of maintenance in RLOC mapping table: (2.0.1.2,12.0.0.2) and (2.0.2.2,
12.0.0.2)。
Host A, host B, host C in the S of the domain LISP need to access in the D of the domain LISP service server (such as server A,
Server B), host A is located at President Office, and priority with higher needs to guarantee the data-message transmission of host A, no
Allow packet loss, host B, the priority of host C are slightly lower, allow part time delay or packet loss.In addition, host A, host B, host
C is separately connected Port1 (port 1), Port2 and the Port3 of Router X (router X).Based on above-mentioned application scenarios, the present invention
In embodiment, port priority can be configured, to distinguish the priority for the data message that different hosts issue.For example, in port1
Lower configuration QoS (Quality of Services, service quality) strategy 1, so that Router X is the data received from port1
Message adds priority 60；Qos policy 2 is configured at port2, so that Router X is that the data message received from port2 adds
Add priority 45；Qos policy 3 is configured at port3, so that Router X is that the data message received from port3 adds preferentially
Grade 40.
Under above-mentioned application scenarios, as shown in Fig. 2, the transmission method of the data message in the LISP network includes following step
It is rapid:
Step 201, tunnel portal router receives the first data message from terminal device, in first data message
Carry the corresponding precedence information of the terminal device.For example, for the first data message that host A issues, first data
The precedence information (such as 60) of Router X addition is carried in message.
Wherein, the precedence information that Router X is added in the first data message can be added to the first data message
In DSCP (Differentiated Services Code Point, service code point of checking the mark) field.
Step 202, tunnel portal router is that the first data message encapsulates the corresponding precedence information of carried terminal equipment
The first tunnel head, and first data message is sent to tunnel outlet router.
In the embodiment of the present invention, tunnel portal router is that the first data message encapsulation carried terminal equipment is corresponding preferential
The process of first tunnel head of grade information, is specifically including but not limited to such as under type: tunnel portal configuration of routers internal layer DSCP
It is mapped to the qos policy of outer layer DSCP, the DSCP word which is used to that tunnel portal router to be made to utilize the first data message
The precedence information of section obtains the precedence information of the dscp field of the first tunnel head.Based on this qos policy, tunnel portal routing
Device obtains the corresponding priority letter of terminal device after receiving the first data message, from the dscp field of the first data message
Breath, and the precedence information is added in the dscp field of the first tunnel head, and encapsulate the first tunnel head for the first data message.By
The corresponding precedence information of terminal device is carried in the first tunnel head of the first data message, therefore each in ISP network
Forwarding device can be with the priority of perception data message, and the priority based on data message E-Packets, to guarantee Gao You
The message of first grade is preferentially forwarded.
As shown in Figure 1, ITR1 is received since the first data message is the data message that host A is sent to server A
After first data message, judges EID, destination address (the i.e. server A of the first data message whether is had recorded in RLOC mapping table
IP address 2.0.1.2) corresponding record.If it is not, then ITR1 sends mapping request message to mapping server, taken by mapping
Mapping request message is sent to ETR1 by device of being engaged in, and ETR1 is after receiving mapping request message, to ITR1 return mapping response message,
The mapping between the IP address 12.0.0.2 of the IP address 2.0.1.2 and ETR1 of server A is carried in the mapping response message
Relationship.Later, the IP address of ITR1 IP address 2.0.1.2 and ETR1 of record server A in EID, RLOC mapping table
12.0.0.2 the mapping relations between.Based on this mapping relations, ITR1 can will encapsulate the first tunnel head and (carry priority letter
Breath) the first data message be sent to ETR1.
Step 203, tunnel outlet router receives the first data message from tunnel portal router, decapsulation first
First tunnel head of data message, and the first data message is sent to service server.
Step 204, tunnel outlet router receives that be sent to terminal device (i.e. above-mentioned to business service from service server
Device send the first data message terminal device) the second data message (response of the first data message), and determine terminal set
Standby address information (i.e. the destination address of the second data message), the address information of tunnel portal router, terminal device are corresponding
Precedence information between mapping relations.
In the embodiment of the present invention, tunnel outlet router determines the address information of terminal device, tunnel portal router
The process of mapping relations between the corresponding precedence information of address information, terminal device, is specifically including but not limited to such as lower section
Formula: tunnel outlet router judges EID, whether records the second datagram in RLOC mapping table after receiving the second data message
The corresponding record of destination address of text.If so, tunnel outlet router obtains terminal device out of EID, RLOC mapping table
Address information, the address information of tunnel portal router, the mapping relations between the corresponding precedence information of terminal device.If
No, tunnel outlet router sends mapping request message to tunnel portal router, and tunnel portal router, which receives, comes from tunnel
The mapping request message of egress router, and mapping response message is sent to tunnel outlet router, tunnel outlet router connects
The mapping response message from tunnel portal router is received, the address information of carried terminal equipment, tunnel in the mapping response message
Mapping relations between the address information of road ingress router, precedence information；Tunnel outlet router from mapping response message
The middle acquisition address information of terminal device, the address information of tunnel portal router, the corresponding precedence information of terminal device it
Between mapping relations.
Wherein, the mapping response message sent for tunnel portal router to tunnel outlet router, needs to existing
Mapping response message (Map-Reply message) be extended so that can be with carried terminal equipment pair in the mapping response message
The precedence information answered.Based on this, tunnel portal router is receiving the mapping request message from tunnel outlet router
After (Map-Request message), tunnel portal router can be with into the mapping response message that tunnel outlet router is sent
The corresponding precedence information of the terminal device is carried, such as priority 60.As shown in figure 3, for the mapping response message after extension
Form schematic diagram is extended, i.e., after use by the Reserved field of the part Record to existing mapping response message
8bit is the precedence field of terminal device, for identifying the corresponding precedence information of terminal device.
As shown in Figure 1, since the second data message is the data message that server A is sent to host A, ETR1 exists
After receiving the second data message, judges EID, the destination address of the second data message whether is had recorded in RLOC mapping table
(i.e. the IP address 1.0.1.1 of host A) corresponding record.If it is not, then ETR1 sends mapping request message to mapping server,
The mapping request message is sent to ITR1 by mapping server, ITR1 connects after receiving mapping request message, returns to ETR1
Map response message, carry in the mapping response message IP address 1.0.1.1, ITR1 of host A IP address 10.0.0.1,
Mapping relations between the corresponding precedence information 60 of host A.Later, ETR1 record host A in EID, RLOC mapping table
Mapping relations between the corresponding precedence information 60 of IP address 10.0.0.1, the host A of IP address 1.0.1.1, ITR1, that is, remember
It records (1.0.1.1,10.0.0.1,60).
Step 205, tunnel outlet router is that the second data message encapsulation carried terminal equipment is corresponding using mapping relations
Precedence information the second tunnel head, and the second data message is sent to tunnel portal router.For example, Intrusion Detection based on host A
IP address 1.0.1.1, ITR1 the corresponding precedence information 60 of IP address 10.0.0.1, host A between mapping relations,
ETR1 is the second tunnel head that the encapsulation of the second data message carries precedence information 60, and the second number that will encapsulate the second tunnel head
ITR1 is sent to according to message.
Step 206, tunnel portal router receives the second data message from tunnel outlet router, decapsulation second
Second tunnel head of data message, and the second data message is sent to terminal device.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, when the message of different priorities is transmitted by ISP network,
If congestion occurs in link, it can guarantee that the message of high priority is preferentially forwarded, it is high preferential so as to avoid
There is packet loss in the message of grade, i.e. the message of guarantee high priority not packet loss.
Based on inventive concept same as the above method, a kind of position is additionally provided in the embodiment of the present invention and is separated with identity
Tunnel portal router in agreement LISP network, as shown in figure 4, the tunnel portal router specifically includes:
Receiving module 11, for receiving the first data message from terminal device；Wherein, in first data message
Carry the corresponding precedence information of the terminal device；Sending module 12, for being carried for first data message encapsulation
First tunnel head of the corresponding precedence information of the terminal device, and first data message is sent to tunnel exit road
By device, first tunnel head is decapsulated by the tunnel outlet router, and first data message is sent to business
Server；
The receiving module 11 is also used to receive the mapping request message from the tunnel outlet router；The hair
Module 12 is sent, is also used to send mapping response message to the tunnel outlet router；Wherein, it is taken in the mapping response message
It is corresponding excellent with the address information of the terminal device, the address information of the tunnel portal router, the terminal device
Mapping relations between first grade information；
The receiving module 11 is also used to receive the second data that the terminal device is sent to from tunnel outlet router
Message, second data message are receiving the second data message from the service server by tunnel outlet router
Afterwards, the second tunnel head for carrying the precedence information is encapsulated using the mapping relations；The sending module 12, is also used to
The second tunnel head is decapsulated, and the second data message is sent to the terminal device.
The sending module 12, be specifically used for for first data message encapsulation carrying terminal device it is corresponding
During first tunnel head of precedence information, the configuration internal layer service code point DSCP that checks the mark is mapped to the service of outer layer DSCP
Quality Q oS strategy, the qos policy are used for the priority for the dscp field for making tunnel portal router using the first data message
Information obtains the precedence information of the dscp field of the first tunnel head；After receiving the first data message, from first number
The corresponding precedence information of the terminal device is obtained according to the dscp field of message, and is added in the dscp field of the first tunnel head
The precedence information, and first tunnel head is encapsulated for first data message.
The sending module 12 is also used to send mapping logon message to mapping server；Wherein, the mapping registration report
The address informations of all terminal devices of the tunnel portal router administration, the tunnel portal router are carried in text
Address information；EID is identified in end by the mapping server, the ground of each terminal device is recorded in route locating RLOC mapping table
Mapping relations between location information, the address information of the tunnel portal router.
Wherein, the modules of apparatus of the present invention can integrate in one, can also be deployed separately.Above-mentioned module can close
And be a module, multiple submodule can also be further split into.
Based on inventive concept same as the above method, a kind of position is additionally provided in the embodiment of the present invention and is separated with identity
Tunnel outlet router in agreement LISP network, as shown in figure 5, the tunnel outlet router specifically includes:
Receiving module 21, for receiving the first data message from tunnel portal router, first data message
The first data for carrying the corresponding precedence information of terminal device from terminal device are being received by tunnel portal router
After message, the first tunnel head for carrying the precedence information is encapsulated；Sending module 22, for decapsulating the first tunnel head,
And the first data message is sent to service server；
The receiving module 21 is also used to receive the second data that the terminal device is sent to from the service server
Message, and determine address information, the address information of the tunnel portal router, the terminal device pair of the terminal device
The mapping relations between precedence information answered；
The sending module 22 is also used to be that second data message encapsulation carries the end using the mapping relations
Second tunnel head of the corresponding precedence information of end equipment, and the second data message is sent to the tunnel portal router；
Second tunnel head is filled by the tunnel portal router de-encapsulates, and the second data message is sent to the terminal device.
The receiving module 21, specifically for determine the terminal device address information, the tunnel portal route
During mapping relations between the address information of device, the corresponding precedence information of the terminal device, the second number is being received
After message, judges that end identifies EID, the destination of second data message whether is recorded in route locating RLOC mapping table
The corresponding record in location；If it is, from the EID, the address information of the acquisition terminal device, the tunnel in RLOC mapping table
Mapping relations between the address information of road ingress router, the corresponding precedence information of the terminal device；If it is not, then to
The tunnel portal router sends mapping request message, and receives the mapping from the tunnel portal router and respond report
Text, carry in the mapping response message address information of the terminal device, the address information of the tunnel portal router,
Mapping relations between the corresponding precedence information of the terminal device；The terminal is obtained from the mapping response message to set
Between the address information of standby address information, the tunnel portal router, the corresponding precedence information of the terminal device
Mapping relations.
Wherein, the modules of apparatus of the present invention can integrate in one, can also be deployed separately.Above-mentioned module can close
And be a module, multiple submodule can also be further split into.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required general hardware platform to realize, naturally it is also possible to which by hardware, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which is stored in a storage medium, if including
Dry instruction is used so that a computer equipment (can be personal computer, server or the network equipment etc.) executes this hair
Method described in bright each embodiment.It will be appreciated by those skilled in the art that attached drawing is the schematic diagram of a preferred embodiment,
Module or process in attached drawing are not necessarily implemented necessary to the present invention.It will be appreciated by those skilled in the art that in embodiment
Device in module can according to embodiment describe be distributed in the device of embodiment, corresponding change position can also be carried out
In the one or more devices for being different from the present embodiment.The module of above-described embodiment can be merged into a module, can also be with
It is further split into multiple submodule.The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.With
Upper disclosed several specific embodiments only of the invention, still, the present invention is not limited to this, any those skilled in the art
Member can think of variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of transmission method of the data message in position and identity separated protocol LISP network, which is characterized in that the side
Method the following steps are included:
Tunnel portal router receives the first data message from terminal device, carries in first data message described
The corresponding precedence information of terminal device；The first tunnel head of the precedence information is carried for the encapsulation of the first data message, and
First data message is sent to tunnel outlet router, first tunnel head is decapsulated by tunnel outlet router, and will
First data message is sent to service server；
The tunnel portal router receives the mapping request message from tunnel outlet router, and to the tunnel exit road
Mapping response message is sent by device, carries the address information of the terminal device in the mapping response message, the tunnel enters
Mapping relations between the address information of mouthful router, the precedence information；The tunnel portal router, which receives, comes from tunnel
Road egress router is sent to the second data message of the terminal device, and second data message is existed by tunnel outlet router
After receiving the second data message from the service server, is encapsulated using the mapping relations and carry the priority letter
Second tunnel head of breath；The tunnel portal router de-encapsulates fill second tunnel head, and the second data message is sent to
The terminal device.
2. the method as described in claim 1, which is characterized in that the tunnel portal router is that the encapsulation of the first data message is taken
The process of the first tunnel head with the precedence information, specifically includes:
The tunnel portal configuration of routers internal layer differentiated services code points DSCP is mapped to the service quality QoS plan of outer layer DSCP
Slightly, the qos policy is for obtaining tunnel portal router using the precedence information of the dscp field of the first data message
The precedence information of the dscp field of first tunnel head；
The tunnel portal router obtains after receiving the first data message from the dscp field of first data message
The corresponding precedence information of the terminal device, and the precedence information is added in the dscp field of the first tunnel head, and be
First data message encapsulates first tunnel head.
3. the method as described in claim 1, which is characterized in that further comprise before the method:
The tunnel portal router sends mapping logon message to mapping server；Wherein, it is taken in the mapping logon message
Address letter with the address information of all terminal devices of the tunnel portal router administration, the tunnel portal router
Breath；EID is identified in end by the mapping server, the address letter of each terminal device is recorded in route locating RLOC mapping table
It ceases, the mapping relations between the address information of the tunnel portal router.
4. a kind of transmission method of the data message in position and identity separated protocol LISP network, which is characterized in that the side
Method the following steps are included:
Tunnel outlet router receives the first data message from tunnel portal router, and first data message is by tunnel
Ingress router after receiving the first data message for carrying the corresponding precedence information of terminal device from terminal device,
Encapsulate the first tunnel head for carrying the precedence information；The tunnel outlet router decapsulates first tunnel head,
First data message is sent to service server；
The tunnel outlet router receives the second data message that the terminal device is sent to from the service server, and
Determine that the address information of the terminal device, the address information of the tunnel portal router, the terminal device are corresponding excellent
Mapping relations between first grade information；
The tunnel outlet router is that second data message encapsulation carries the terminal device using the mapping relations
Second tunnel head of corresponding precedence information, and the second data message is sent to the tunnel portal router；By described
Tunnel portal router de-encapsulates fill second tunnel head, and the second data message is sent to the terminal device.
5. method as claimed in claim 4, which is characterized in that the tunnel outlet router determines the ground of the terminal device
Location information, the address information of the tunnel portal router, the mapping between the corresponding precedence information of the terminal device are closed
The process of system, specifically includes:
The tunnel outlet router judges that end identifies EID, route locating RLOC mapping table after receiving the second data message
Inside whether record the corresponding record of destination address of second data message；If it is, from the EID, RLOC mapping table
The interior address information for obtaining the terminal device, the address information of the tunnel portal router, the terminal device are corresponding
Mapping relations between precedence information；
If it is not, then the tunnel outlet router sends mapping request message to the tunnel portal router, and receive institute
The mapping response message that tunnel portal router is sent to the tunnel outlet router is stated, is carried in the mapping response message
The address information of the terminal device, the address information of the tunnel portal router, the corresponding priority of the terminal device
Mapping relations between information；The tunnel outlet router obtains the ground of the terminal device from the mapping response message
Location information, the address information of the tunnel portal router, the mapping between the corresponding precedence information of the terminal device are closed
System.
6. the tunnel portal router in a kind of position and identity separated protocol LISP network, which is characterized in that the tunnel enters
Mouth router specifically includes:
Receiving module, for receiving the first data message from terminal device；Wherein, it is carried in first data message
The corresponding precedence information of the terminal device；Sending module, for carrying the terminal for first data message encapsulation
First tunnel head of the corresponding precedence information of equipment, and first data message is sent to tunnel outlet router, by
The tunnel outlet router decapsulates first tunnel head, and first data message is sent to service server；
The receiving module is also used to receive the mapping request message from the tunnel outlet router；The sending module,
It is also used to send mapping response message to the tunnel outlet router；Wherein, it is carried in the mapping response message described
The address information of terminal device, the address information of the tunnel portal router, the corresponding precedence information of the terminal device
Between mapping relations；
The receiving module is also used to receive the second data message that the terminal device is sent to from tunnel outlet router,
Second data message after receiving the second data message from the service server, is utilized by tunnel outlet router
The mapping relations encapsulate the second tunnel head for carrying the precedence information；The sending module is also used to decapsulate institute
The second tunnel head is stated, and the second data message is sent to the terminal device.
7. tunnel portal router as claimed in claim 6, which is characterized in that
The sending module is specifically used for carrying the corresponding priority of the terminal device for first data message encapsulation
During first tunnel head of information, configuration internal layer differentiated services code points DSCP is mapped to the service quality of outer layer DSCP
Qos policy, the qos policy are used for the precedence information for the dscp field for making tunnel portal router using the first data message
Obtain the precedence information of the dscp field of the first tunnel head；After receiving the first data message, from first datagram
The dscp field of text obtains the corresponding precedence information of the terminal device, and described in the addition of the dscp field of the first tunnel head
Precedence information, and first tunnel head is encapsulated for first data message.
8. tunnel portal router as claimed in claim 6, which is characterized in that
The sending module is also used to send mapping logon message to mapping server；Wherein, it is taken in the mapping logon message
Address letter with the address information of all terminal devices of the tunnel portal router administration, the tunnel portal router
Breath；EID is identified in end by the mapping server, the address letter of each terminal device is recorded in route locating RLOC mapping table
It ceases, the mapping relations between the address information of the tunnel portal router.
9. the tunnel outlet router in a kind of position and identity separated protocol LISP network, which is characterized in that the tunnel goes out
Mouth router specifically includes:
Receiving module, for receiving the first data message from tunnel portal router, first data message is by tunnel
Ingress router after receiving the first data message for carrying the corresponding precedence information of terminal device from terminal device,
Encapsulate the first tunnel head for carrying the precedence information；Sending module, for decapsulating first tunnel head, and by
One data message is sent to service server；
The receiving module is also used to receive the second data message that the terminal device is sent to from the service server,
And determine that the address information, the address information of the tunnel portal router, the terminal device of the terminal device are corresponding
Mapping relations between precedence information；
The sending module is also used to be that second data message encapsulation carries the terminal device using the mapping relations
Second tunnel head of corresponding precedence information, and the second data message is sent to the tunnel portal router；By described
Tunnel portal router de-encapsulates fill second tunnel head, and the second data message is sent to the terminal device.
10. tunnel outlet router as claimed in claim 9, which is characterized in that
The receiving module, specifically on the ground of the address information, the tunnel portal router that determine the terminal device
During mapping relations between location information, the corresponding precedence information of the terminal device, the second data message is being received
Afterwards, judge that end identifies EID, the destination address that second data message whether is recorded in route locating RLOC mapping table is corresponding
Record；If it is, from the EID, the address information of the acquisition terminal device, the tunnel portal in RLOC mapping table
Mapping relations between the address information of router, the corresponding precedence information of the terminal device；If it is not, then to the tunnel
Road ingress router sends mapping request message, and receives the mapping response message from the tunnel portal router, described
The address information of the terminal device, the address information of the tunnel portal router, the end are carried in mapping response message
Mapping relations between the corresponding precedence information of end equipment；The ground of the terminal device is obtained from the mapping response message
Location information, the address information of the tunnel portal router, the mapping between the corresponding precedence information of the terminal device are closed
System.
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| CN102088448A (en) * | 2009-12-02 | 2011-06-08 | 中兴通讯股份有限公司 | Transmitting method of Internet protocol (IP) message and boundary tunnel router |
| CN102065013A (en) * | 2010-12-17 | 2011-05-18 | 北京邮电大学 | Locator information optimal selection system and method based on ID (Identity) and Locator separation |
| CN104168223A (en) * | 2013-04-19 | 2014-11-26 | 国际商业机器公司 | Method and system for determining the priority of groups |
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