CN105763669B - Method and device for supporting host name mapping of edge device - Google Patents
Method and device for supporting host name mapping of edge device Download PDFInfo
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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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- 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
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/255—Maintenance or indexing of mapping tables
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
Abstract
The invention discloses a method and a device for supporting host name mapping of edge equipment. The technical scheme provided by the invention expands the mapping registration message and the mapping response message sent by the edge device in the LISP network, the relation mapping device and the edge device can store and maintain the mapping relation among the endpoint identifier, the RLOC address and the host name of the edge device, and the network management system can obtain the EID-RLOC mapping relation and the device name of the edge device connected with the EID address, thereby facilitating the management of the LISP network.
Description
Technical Field
the present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for supporting host name mapping of edge devices in a LISP network.
Background
location/Identity Separation Protocol (LISP) is a networking concept with location and Identity Separation, forming two independent address spaces of Endpoint Identity (EID) and Routing IDentifier (RLOC). The RLOC is the address of the LISP router, is routed and forwarded in the existing Internet, can be globally routed and aggregated according to the network topology condition. The EID is a host address (including a Virtual Machine (VM) or a physical host) of a communication endpoint, and has an independent address space. In LISP networks, EID addresses may be migrated independently of RLOC addresses. And the message communicated between the EIDs is packaged in the tunnel between the RLOCs for forwarding. For a detailed description of the LISP protocol, see RFC 6830.
Fig. 1 is a schematic diagram of LISP networking, which mainly includes:
The edge device (xTR) is responsible for packaging and disassembling the data message; the xTR device is divided into an Ingress Tunnel Router (ITR) and an Egress Tunnel Router (ETR), where the ITR is responsible for encapsulating the data packet and the ETR is responsible for decapsulating the data packet.
Mapping relationship (Map) DataBase (DataBase, DB): the mapping relationship including the EID address and the RLOC address may be issued by a Map Server (MS)/Map solver (Map Resolver), and hereinafter, the MS and the MR are collectively referred to as a relationship mapping device.
In the LISP networking shown in fig. 1, VMs (VM a, VM B, VM D) access xTR, and the mapping relationship of EID-RLOC addresses is registered in the mapping database through xTR.
because the mapping relationship maintained by the LISP network is the mapping relationship between the EID and the RLOC address, for a network management device or a network administrator, the mapping relationship between the EID and the RLOC address can only be seen, and the host name of the edge device xTR connected to each EID cannot be intuitively known, which brings inconvenience to the management of the LISP network.
disclosure of Invention
In view of this, the present invention provides a method and an apparatus for supporting mapping of host names of edge devices, which are used for supporting mapping registration of host names of edge devices in a LISP network, so as to facilitate management of the LISP network and improve management efficiency of the LISP network.
Based on one aspect of the embodiments of the present invention, the present invention provides a method for supporting edge device hostname mapping, where the method includes:
The first edge device sends a mapping registration message carrying an Endpoint Identifier (EID), a routing identifier (RLOC) address having a mapping relation with the EID and a host name of the first edge device to a relation mapping device, so that the relation mapping device stores the registration information in the mapping registration message in a mapping relation database.
further, when the first edge device receives the mapping request message, a mapping response message carrying the EID, the RLOC address having the mapping relationship with the EID, and the host name of the first edge device is responded.
further, after the first edge device serving as a requester of the mapping relationship sends a mapping request message to the relationship mapping device, a mapping response message is received, which carries the requested EID, the RLOC address having the mapping relationship with the requested EID, and the host name of the second edge device to which the requested EID is accessed.
Furthermore, the mapping registration message and the mapping response message are provided with an identification bit indicating whether the message supports the host name carrying the edge device.
Further, when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of the compound address cluster.
Correspondingly, the present invention also provides an apparatus for supporting edge device hostname mapping, the apparatus is applied to a first edge device, and the apparatus includes:
and the mapping registration module is used for sending a mapping registration message carrying an Endpoint Identifier (EID), a routing identifier (RLOC) address having a mapping relation with the EID and a host name of the first edge device to the relational mapping device so that the relational mapping device stores the registration information in the mapping registration message in a mapping relation database.
further, the apparatus further comprises: and the mapping response module is used for responding a mapping response message which simultaneously carries the EID, the RLOC address having a mapping relation with the EID and the host name of the first edge equipment when receiving the mapping request message.
further, the apparatus further comprises: and the mapping request module is used for sending a mapping request message to the relational mapping equipment and receiving a mapping response message which simultaneously carries the requested EID, the RLOC address having the mapping relation with the requested EID and the host name of the second edge equipment accessed by the requested EID.
Furthermore, the mapping registration message and the mapping response message are provided with an identification bit indicating whether the message supports the host name carrying the edge device; and when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of a compound address cluster.
Based on another aspect of the embodiments of the present invention, the present invention further provides a method for supporting edge device hostname mapping, where the method includes:
The method comprises the steps that a relation mapping device receives a mapping registration message which is sent by an edge device and carries an end point identifier (EID), a routing identifier (RLOC) address having a mapping relation with the EID and a host name of the edge device, and registration information in the mapping registration message is stored in a mapping relation database;
when receiving a mapping request message sent by an edge device, a relationship mapping device sends a mapping response message to the edge device initiating the mapping request, wherein the mapping response message carries a requested EID, an RLOC having a mapping relationship with the requested EID, and a host name of the edge device accessed by the requested EID.
furthermore, the mapping registration message and the mapping response message are provided with an identification bit indicating whether the message supports the host name carrying the edge device; and when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of a compound address cluster.
corresponding to the above method, the present invention further provides a device for supporting host name mapping of an edge device, where the device is applied to a relational mapping device, and the device includes:
a registration processing module, configured to receive a mapping registration message sent by an edge device and carrying an endpoint identifier EID, a routing identifier RLOC address having a mapping relationship with the EID, and a host name of the edge device, and store registration information in the mapping registration message in a mapping relationship database;
And the mapping processing module is used for sending a mapping response message to the edge device initiating the mapping request when receiving the mapping request message sent by the edge device, wherein the mapping response message carries the requested EID, the RLOC having a mapping relation with the requested EID, and the host name of the edge device accessed by the requested EID.
Furthermore, the mapping registration message and the mapping response message are provided with an identification bit indicating whether the message supports the host name carrying the edge device; and when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of a compound address cluster.
The technical scheme provided by the invention expands the mapping registration message and the mapping response message sent by the edge device, the relationship mapping device and the edge device can store and maintain the mapping relationship among the endpoint identifier, the RLOC address and the host name of the edge device, and the network management system can obtain the EID-RLOC mapping relationship and the device name of the edge device connected with the EID address, thereby facilitating the management of the LISP network.
drawings
FIG. 1 is a schematic diagram of LISP networking;
Fig. 2 is a flowchart of method steps for supporting edge device host name mapping in a LISP network provided from the edge device perspective according to an embodiment of the present invention;
fig. 3 is a flowchart of method steps for supporting host name mapping of edge devices in a LISP network provided from the perspective of a relational mapping device according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating an address structure of a compound address cluster according to an embodiment of the present invention;
Fig. 5 is a format of a Map registration Map-Register message after expansion according to an embodiment of the present invention;
Fig. 6 is a diagram illustrating a format of a Map registration Map-Reply packet after expansion according to an embodiment of the present invention;
Fig. 7 is a schematic structural diagram of an apparatus for supporting edge device host name mapping in a LISP network provided from the perspective of an edge device according to an embodiment of the present invention;
Fig. 8 is a schematic structural diagram of an apparatus for supporting host name mapping of an edge device in a LISP network according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the solutions of the present application are further described in detail below with reference to the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
The invention provides a method for supporting edge device host name mapping in a LISP network, which is applied to edge devices, and is used for facilitating LISP network managers to know the xTR accessed by a VM (virtual machine identifier) so that a network management system can more intuitively reflect the mapping relation between the VM and the edge device and the RLOC (radio link control protocol), and a step flow of the method is illustrated in figure 2, and the method comprises the following steps:
step 201, a first edge device sends a mapping registration message carrying an EID, an RLOC address having a mapping relationship with the EID, and a host name of the first edge device to a relational mapping device, so that the relational mapping device stores registration information in the mapping registration message in a mapping relationship database;
after a first host accessed to a first edge device is online, the first edge device sends a Map-Register mapping registration message to the MS/MR, wherein the mapping registration message simultaneously carries the EID of the first host, the hostname of the first edge device and the RLOC address having a mapping relation with the EID of the first host.
further, the Map-Register mapping registration message carries an identification bit indicating that the host name of the edge device is supported to be carried, and in the RLOC Address portion, the host name and the RLOC Address of the edge device are indicated to be carried at the same time by an Address Family Identifier (AFI).
Step 202, when the first edge device receives the mapping request message, responding to a mapping response message carrying an EID, an RLOC address having a mapping relation with the EID, and a host name of the first edge device;
The Map-Request mapping Request message received by the first edge device may be initiated by the second edge device and forwarded through the mapping device MS/MR, and at this time, the first edge device may directly send a Map-Reply mapping response message carrying an EID, an RLOC address, and a first edge device name to the second edge device according to the address information in the message.
furthermore, the mapping response message carries an identification bit indicating that the host name of the edge device is supported to be carried, and in the RLOC address portion, the host name and the RLOC address of the edge device are indicated to be carried at the same time through a composite address cluster identification AFI.
In another embodiment of the present invention, if the first edge device also serves as an ingress edge device ITR, the method may further include the following step 203:
Step 203, after the first edge device serving as a mapping relation requester sends a mapping request message to the relation mapping device, receiving a mapping response message carrying the requested EID, the RLOC address having a mapping relation with the requested EID, and the host name of the second edge device accessed by the requested EID.
When a first host hung under a first edge device sends a message to a second host hung under a second edge device for the first time, the first edge device sends a Map Request Map-Request message to a relationship mapping device MS/MR because the first edge device does not have an EID of the second host and RLOC address information having a mapping relationship with the EID of the second host.
After the MS/MR receives the mapping request message, if the MS/MR supports the proxy forwarding function, the MS/MR may directly send a Map-Reply message to the first edge device based on the mapping relationship between the EID, the RLOC address, and the edge device stored in the mapping relationship database. If the MS/MR does not support the proxy forwarding function, the MS/MR can forward the mapping request message to the corresponding second edge device based on the registration information stored in the mapping relation database, and the second edge device directly sends a mapping response Map-Reply message to the first edge device.
And when the first edge equipment receives the Map-Reply message, locally storing the mapping relation between the EID, the RLOC address and the edge equipment carried in the Map-Reply message.
Furthermore, the Map-Reply message in this step carries an identification bit indicating that the Map-Reply message supports carrying the host name of the edge device, and in the RLOC address portion, the Map-Reply message indicates that the Map-Reply message simultaneously carries the host name and the RLOC address of the edge device through the composite address cluster identification AFI.
Another embodiment of the present invention provides a method for supporting edge device hostname mapping from another device perspective, the method is applied to a relational mapping device MS/MR, fig. 3 illustrates a flow of steps of the method, and the method includes:
301, a relational mapping device receives a mapping registration message which is sent by an edge device and carries an EID, an RLOC address having a mapping relation with the EID, and a host name of the edge device, and stores registration information in the mapping registration message in a mapping relation database;
the registration information includes, but is not limited to, the EID, the RLOC address, the host name of the edge device, and their mapping relationship with each other.
Step 302, when receiving a mapping request message sent by an edge device, a relational mapping device sends a mapping response message to the edge device initiating the mapping request, where the mapping response message carries the requested EID, the RLOC having a mapping relationship with the requested EID, and the host name of the edge device to which the requested EID is accessed.
in this step, it is assumed that the relational mapping device MS/MR configures an agent response function, and when receiving a mapping request message sent by an edge device, directly sends a mapping response message to the edge device that initiated the mapping request. And for the condition that the proxy response function is not configured, the MS/MR directly responds a mapping response message to the request end.
the following describes, in a specific example, implementation steps of the method for supporting edge device host name mapping in a LISP network provided by the present invention in detail with reference to fig. 1.
taking xTR B as an example, first configure the Hostname of xTR B, i.e. the Hostname, through lisp-name command, for example: hostname of lisp-name xTRB. For the case that the same virtual machine VM is simultaneously accessed to multiple edge devices for load sharing, for example, VM B is simultaneously accessed to xTR B and xTR C, host names of other ETR of the same VM may be configured by commanding lisp-name map x.x.x.x name, where x.x.x is the address of xTR and name is the host name of xTR.
after VM B is accessed to xTR B, xTR B sends a Map-Register mapping registration message to MS/MR, and at this time, if the host name of the edge device is configured on the edge device xTR through lisp-name, the mapping registration message sent by xTR B to the relationship mapping device MS/MR simultaneously carries the EID of VM B, the RLOC address having a mapping relationship with the EID of VM B and the host name hostname of xTR B.
In order to realize the purpose of simultaneously carrying the host name of the edge device and the corresponding RLOC address, the invention expands the Map-Register message and the Map-Reply message, and simultaneously carries the hostname and the RLOC address of the edge device by adopting the address structure of the compound address cluster.
Fig. 4 is a schematic diagram of an address structure of a compound address cluster according to an embodiment of the present invention. The Address cluster identifier AFI 16387 indicates that a composite Address cluster Address is currently carried, the hostname of the edge device is carried in the JSON data structure corresponding to the AFI 16387, and the RLOC Address is carried in the Optional Address corresponding to the AFI x. The B flag bit is used to identify whether binary numbers or text are carried. The AFI of the RLOC Address is 1 for the IPv4 Address, and the corresponding Optional Address is a 4-byte IPv4 Address.
Fig. 5 shows the format of the Map-Register message after the extension according to the embodiment of the present invention, where reference is made to RFC6830, and an identification bit H is added to indicate that the registration message supports a hostname carrying an edge device. Wherein the Loc structure part is used to fill the RLOC address, and the Loc-AFI and Locator parts fill the structure of the compound address cluster as shown in fig. 4.
After receiving the Map-Register message sent by the xTR B, the MS/MR analyzes the message, if the message carries an H mark, acquires the host name of the edge device and the corresponding RLOC address from the LOC address structure, and stores the mapping relation of the EID, the RLOC and the hostname of the edge device into a mapping database. When the registration information of the LISP site EID needs to be displayed on the MS/MR or through a network management system, the host name of the edge device corresponding to the EID can be directly obtained from the mapping database, so that the hostname of the corresponding edge device can be directly displayed, and management and maintenance of the LISP network are facilitated.
if VM A sends data message to VM B for the first time, when the message reaches xTR A, xTR A sends Map-Request message of mapping Request to MS/MR, and requests EID-RLOC mapping relation of VM B. When the MS/MR receives the Map-Request message, two options are available, one is the case of configuring proxy response, and the other is the case of not configuring proxy response. And if the agent response is configured, the MS/MR directly responds the Map-Reply mapping response message according to the EID, the RLOC and the edge mapping registration information of the VM B in the mapping database. If the agent response is not configured, the MS/MR forwards the Map-Request message to the corresponding ETR for processing, assuming that the MS/MR performs load balancing on the flow to the VM B and selects a route from the xTR B to the VM B, the MS/MR forwards the mapping Request message to the xTR B, and after receiving the Request message, the xTR B directly responds to the xTR A for mapping response Map-Reply message.
The Map-Reply response message directly responded by the MS/MR and the Map-Reply message responded by the edge device both carry the EID of the VM B, the RLOC address having a mapping relation with the EID of the VM B and the host name hostname of the xTR B accessed by the VM B.
Fig. 6 is a format of an extended Map registration Map-Reply message according to an embodiment of the present invention, where reference is made to RFC6830, and an identification bit H is added to indicate that the registration message supports a hostname carrying an edge device. Wherein the Loc structure part is used to fill the RLOC address and the Loc-AFI and Locator parts fill the composite address structure as shown in fig. 4.
After the xTR A obtains the mapping registration information such as EID, RLOC and host name of the VM B, the mapping registration information of the VM B is locally stored, and the data message sent by the VM A is forwarded to the VM B according to the obtained mapping registration information.
As can be seen from the description of the above embodiment, when Site information is displayed on the relational mapping device MS/MR, the hostname of the edge device corresponding to the RLOC can be directly obtained according to the hostname mapping relationship between the RLOC and the edge device that is maintained, and the networking situation of the LISP network can be more intuitively understood through the network management system. When Map-Cache mapping information of local Cache is displayed on an ingress edge device ITR, according to the maintained hostname mapping relation between the RLOC and the edge device, the hostname of all egress edge device ETRs which have interactive relation with the ingress edge device is directly obtained, so that the path of data flow and the condition of the edge device to which each virtual machine is accessed can be more intuitively known, and the network management efficiency is improved.
Based on the method embodiment provided by the present invention, another embodiment of the present invention provides an apparatus 700 for supporting host name mapping of an edge device in a LISP network, where the apparatus is applied to a first edge device, and a hardware environment of the first edge device usually includes at least a CPU, a memory, and a nonvolatile memory, and may also include various forwarding chips, I/O interfaces, and other hardware. Referring to fig. 7, taking a software implementation as an example, in this embodiment, a CPU of the first edge device reads corresponding computer program instructions in a non-volatile memory into a memory for running, so that the first edge device forms the apparatus 700 in the memory, where the apparatus includes: a mapping registration module 701 and a mapping response module 702. In one embodiment of the invention:
A mapping registration module 701, configured to send a mapping registration packet carrying an endpoint identifier EID, a routing identifier RLOC address having a mapping relationship with the EID, and a host name of a first edge device to a relationship mapping device;
The mapping response module 702 is configured to respond to a mapping response packet that simultaneously carries the EID, the RLOC address having a mapping relationship with the EID, and the host name of the first edge device when receiving the mapping request packet.
Further, when the first edge device acts as a requester of the mapping relationship, the apparatus 700 further includes: the mapping request module 703 is configured to send a mapping request packet to the relational mapping device, and receive a mapping response packet that simultaneously carries the requested EID, the RLOC address having a mapping relationship with the requested EID, and the hostname of the second edge device to which the requested EID is accessed.
the mapping registration message sent by the mapping registration module 701, the mapping response message sent by the mapping response module 702, and the mapping response message received by the mapping request module 703 are provided with an identification bit indicating whether the message supports a host name carrying edge devices. And when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of a compound address cluster.
Based on the method embodiment provided by the present invention, another embodiment of the present invention provides an apparatus 800 for supporting host name mapping of an edge device in an LISP network, where the apparatus is applied to a relational mapping device, and a hardware environment of the relational mapping device usually includes at least a CPU, a memory, and a nonvolatile memory, and may also include various forwarding chips, I/O interfaces, and other hardware. Referring to fig. 8, taking a software implementation as an example, in this embodiment, a CPU of the relational mapping apparatus reads corresponding computer program instructions in a nonvolatile memory into a memory for running, so that the relational mapping apparatus forms the apparatus 800 in the memory, where the apparatus includes: a registration processing module 801 and a mapping processing module 802. In one embodiment of the invention:
A registration processing module 801, configured to receive a mapping registration packet that is sent by an edge device and carries an endpoint identifier EID, a routing identifier RLOC address having a mapping relationship with the EID, and a host name of the edge device, and store registration information in the mapping registration packet in a mapping relationship database;
the mapping processing module 802 is configured to send a mapping response message to the edge device initiating the mapping request when receiving the mapping request message sent by the edge device, where the mapping response message carries the requested EID, the RLOC having a mapping relationship with the requested EID, and the host name of the edge device to which the requested EID is accessed.
further, the mapping registration message received by the registration processing module 801 and the mapping response message sent by the mapping processing module 802 are provided with an identification bit indicating whether the message supports the host name carrying the edge device. And when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of a compound address cluster.
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (13)
1. A method for supporting edge device hostname mapping, the method comprising:
the method comprises the steps that a first edge device sends a mapping registration message carrying an end point identifier (EID), a routing identifier (RLOC) address having a mapping relation with the EID and a host name of the first edge device to a relation mapping device, so that the relation mapping device stores registration information in the mapping registration message in a mapping relation database;
Wherein the registration information includes the EID, the RLOC address, the hostname of the first edge device, and a mapping relationship between the EID, the RLOC address, and the hostname of the first edge device.
2. The method of claim 1,
When the first edge device receives the mapping request message, the mapping response message which simultaneously carries the EID, the RLOC address having the mapping relation with the EID and the host name of the first edge device is responded.
3. The method of claim 1,
And after the first edge device serving as a mapping relation requester sends a mapping request message to the relation mapping device, receiving a mapping response message which simultaneously carries the requested EID, the RLOC address having the mapping relation with the requested EID and the host name of the second edge device accessed by the requested EID.
4. The method according to claim 1, 2 or 3, wherein the mapping registration message and the mapping response message are provided with an identification bit indicating whether the message supports the host name carrying the edge device.
5. The method according to claim 4, wherein when the mapping registration packet and the mapping response packet support the host name carrying the edge device, the RLOC address portion in the mapping registration packet and the mapping response packet adopts an address structure of a compound address cluster.
6. A method for supporting edge device hostname mapping, comprising:
The method comprises the steps that a relation mapping device receives a mapping registration message which is sent by an edge device and carries an end point identifier (EID), a routing identifier (RLOC) address having a mapping relation with the EID and a host name of the edge device, and registration information in the mapping registration message is stored in a mapping relation database;
When receiving a mapping request message sent by edge equipment, a relationship mapping equipment sends a mapping response message to the edge equipment initiating the mapping request, wherein the mapping response message carries a requested EID, an RLOC having a mapping relationship with the requested EID and a host name of the edge equipment accessed by the requested EID;
wherein the registration information includes the EID, the RLOC address, the host name of the edge device, and a mapping relationship between the EID, the RLOC address, and the host name of the edge device.
7. The method according to claim 6, wherein the mapping registration message and the mapping response message are provided with an identification bit indicating whether the message supports the host name carrying the edge device; and when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of a compound address cluster.
8. An apparatus for supporting edge device host name mapping, the apparatus being applied to a first edge device, the apparatus comprising:
The mapping registration module is used for sending a mapping registration message carrying an Endpoint Identifier (EID), a routing identifier (RLOC) address having a mapping relation with the EID and a host name of the first edge device to the relational mapping device so that the relational mapping device stores the registration information in the mapping registration message in a mapping relation database;
Wherein the registration information includes the EID, the RLOC address, the hostname of the first edge device, and a mapping relationship between the EID, the RLOC address, and the hostname of the first edge device.
9. the apparatus of claim 8, further comprising:
And the mapping response module is used for responding a mapping response message which simultaneously carries the EID, the RLOC address having a mapping relation with the EID and the host name of the first edge equipment when receiving the mapping request message.
10. the apparatus of claim 8, further comprising:
And the mapping request module is used for sending a mapping request message to the relational mapping equipment and receiving a mapping response message which simultaneously carries the requested EID, the RLOC address having the mapping relation with the requested EID and the host name of the second edge equipment accessed by the requested EID.
11. The apparatus according to claim 8, 9 or 10, wherein the mapping registration message and the mapping response message are provided with an identification bit indicating whether the message supports the host name carrying the edge device; and when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of a compound address cluster.
12. An apparatus for supporting host name mapping of an edge device, the apparatus being applied to a relational mapping device, the apparatus comprising:
A registration processing module, configured to receive a mapping registration message sent by an edge device and carrying an endpoint identifier EID, a routing identifier RLOC address having a mapping relationship with the EID, and a host name of the edge device, and store registration information in the mapping registration message in a mapping relationship database;
the mapping processing module is used for sending a mapping response message to the edge device initiating the mapping request when receiving the mapping request message sent by the edge device, wherein the mapping response message carries the requested EID, the RLOC having the mapping relation with the requested EID and the host name of the edge device accessed by the requested EID;
wherein the registration information includes the EID, the RLOC address, the host name of the edge device, and a mapping relationship between the EID, the RLOC address, and the host name of the edge device.
13. the apparatus according to claim 12, wherein the mapping registration message and the mapping response message are provided with an identification bit indicating whether the message supports a host name carrying an edge device; and when the mapping registration message and the mapping response message support the host name carrying the edge device, the RLOC address parts in the mapping registration message and the mapping response message adopt the address structure of a compound address cluster.
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| CN201610118817.8A CN105763669B (en) | 2016-03-02 | 2016-03-02 | Method and device for supporting host name mapping of edge device |
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| CN102546375A (en) * | 2010-12-29 | 2012-07-04 | 中兴通讯股份有限公司 | Method and system for displaying host names of tunnel nodes, and nodes |
| CN103166856A (en) * | 2011-12-19 | 2013-06-19 | 中国科学院声学研究所 | Dynamic movability management method based on LISP protocol and system |
| CN105357336A (en) * | 2015-12-08 | 2016-02-24 | 重庆金美通信有限责任公司 | Mapping relation obtaining method and apparatus |
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| CN102546375A (en) * | 2010-12-29 | 2012-07-04 | 中兴通讯股份有限公司 | Method and system for displaying host names of tunnel nodes, and nodes |
| CN103166856A (en) * | 2011-12-19 | 2013-06-19 | 中国科学院声学研究所 | Dynamic movability management method based on LISP protocol and system |
| CN105357336A (en) * | 2015-12-08 | 2016-02-24 | 重庆金美通信有限责任公司 | Mapping relation obtaining method and apparatus |
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