CN107087288B - Method, device and system for implementing DIAMETER signaling gateway - Google Patents

Method, device and system for implementing DIAMETER signaling gateway Download PDF

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CN107087288B
CN107087288B CN201610085965.4A CN201610085965A CN107087288B CN 107087288 B CN107087288 B CN 107087288B CN 201610085965 A CN201610085965 A CN 201610085965A CN 107087288 B CN107087288 B CN 107087288B
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protocol
diameter
analysis
message
response message
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CN107087288A (en
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郑敏
官丹
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/08—Load balancing or load distribution
    • H04W28/088—Load balancing or load distribution among core entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1664—Details of the supervisory signal the supervisory signal being transmitted together with payload signals; piggybacking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application provides a method, a device and a system for realizing a DIAMETER signaling gateway, which relate to the field of mobile communication and comprise the following steps: carrying out routing analysis on the received load sharing data to obtain an analysis outlet; and determining a flow outlet for sending the load sharing data according to the congestion degree of the analysis outlet. The signaling between the LTE network and the 2G/3G network is smoothly communicated, the complexity of direct connection between the prior DIAMETER network elements is reduced, the IP network better meets the requirements on service and flow control in the future, and the network monitoring difficulty is greatly reduced.

Description

Method, device and system for implementing DIAMETER signaling gateway
Technical Field
The invention relates to the field of mobile communication, in particular to a method, a device and a system for realizing a DIAMETER signaling gateway.
Background
Under The background of The rapid development of an LTE (Long Term Evolution) network, a future core network is a network based on all-IP (Internet Protocol) and all-interconnection, and in The deployment of The LTE core network, a Diameter Protocol is used as a next-generation AAA Protocol standard by an AAA (Authentication, Authorization, Accounting) working group of IETF (Internet Engineering Task Force), which overcomes many defects of RADIUS, is an AAA Protocol most suitable for a future mobile communication system and an IMS/LTE (IP Multimedia Subsystem) network, is widely applied to services of Authentication, Authorization and Accounting in a mobile IP network, and is a main communication Protocol in The future communication network. However, as networks continue to expand and build, the following problems exist:
1. in LTE networks, when a user roams to a 2G/3G network, the user's location registration, authentication, charging policy and charging messages need to be communicated between the home network and the roaming network.
Network elements in an IMS/LTE network such as: mobility management entities (MME, mobile management node) and home subscriber servers (HSS, home subscriber server) need to communicate directly, and they need to process tasks related to the whole Session, such as routing, flow control, data redundancy, and the like.
3. With the expansion of the network, the networking becomes very complex, the fault is not easy to locate, and the expansibility is also restricted.
Disclosure of Invention
The invention provides a method, a device and a system for realizing a DIAMETER signaling gateway, which aim to solve the problems of expansibility of an LTE network and interconnection and intercommunication among networks.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
a method for implementing a DIAMETER signaling gateway, comprising:
carrying out routing analysis on the received load sharing data to obtain an analysis outlet;
and determining a flow outlet for sending the load sharing data according to the congestion degree of the analysis outlet.
Optionally, determining a traffic egress for sending the load sharing data according to the congestion degree of the analysis egress includes:
sending a request message to the analysis outlet;
when the analysis outlet feeds back a response message, determining the analysis outlet as a flow outlet for sending load sharing data;
and when the analysis outlet feeds back the congestion response message, sending a request message to one or more peer outlets corresponding to the analysis outlet, and determining the peer outlets feeding back one or more response messages as flow outlets for sending load sharing data.
Optionally, after analyzing the egress feedback congestion response message, the method further includes: and setting a congestion mark for the analysis outlet.
Optionally, after analyzing the egress feedback congestion response message, the method further includes: a congestion control timer is started.
The invention also provides a method for realizing the DIAMETER signaling gateway, which comprises the following steps:
carrying out routing analysis on the received DIAMETER message to obtain an analysis outlet, and configuring a first protocol for the analysis outlet;
decoding the received DIAMETER message to obtain a data field, and carrying out first protocol coding on the data field according to configured target information corresponding to the DIAMETER message and the target information;
and obtaining an outgoing link, and forwarding the data field subjected to the first protocol coding to the outgoing.
Optionally, the method further comprises:
receiving a response message of the DIAMETER message;
decoding the received response message to obtain the signing data, and carrying out DIAMETER coding on the signing data;
the DIAMETER encoded response message is transmitted.
Optionally, performing routing analysis on the received DIAMETER message to obtain an analysis exit comprises:
and carrying out routing analysis, and obtaining an analysis outlet according to the IMSI analysis of the international mobile subscriber identity.
Optionally, the purpose information includes one or more of the following: destination code type, destination code, mobile communication application part MAP version, MAP negotiation flag.
Optionally, the first protocol includes a MAP protocol or a communication protocol of a DIAMETER signaling gateway, and when the first protocol is the MAP protocol, performing first protocol coding on the data field according to the destination information includes:
and according to the MAP version, setting the source MAP address as the global title GT of the local office, and carrying out MAP protocol coding on the data field.
Optionally, decoding the received response message to obtain subscription data, and performing DIAMETER encoding on the subscription data includes:
GT decoding is carried out on the received response message;
calling an address mapping table to obtain a Host/domain Host/real of a destination office, setting the Host/real of the office according to the local identification of the link configuration corresponding to the incoming uniform resource locator (ULR) message,
and carrying out DIAMETER message encoding on the cached subscription data according to the sufficient hop identification HByH and the end-to-end identification E2E of the response message.
Optionally, the method further comprises releasing the DIAMETER message and the cache data area of the response message of the DIAMETER message.
The invention also provides a device for realizing the DIAMETER signaling gateway, which comprises:
the analysis module is used for carrying out routing analysis on the received load sharing data to obtain an analysis outlet;
and the flow module is used for determining a flow outlet for sending the load sharing data according to the congestion degree of the analysis outlet.
Optionally, the determining, by the traffic module, the peer egress for sending the load sharing data according to the congestion degree of the analysis egress includes:
sending a request message to the analysis outlet;
when the analysis outlet feeds back a response message, determining the analysis outlet as a flow outlet for sending load sharing data;
and when the analysis outlet feeds back the congestion response message, sending a request message to one or more peer outlets corresponding to the analysis outlet, and determining the peer outlets feeding back one or more response messages as flow outlets for sending load sharing data.
Optionally, the apparatus further comprises: and the setting module is used for setting a congestion sign for the analysis outlet.
Optionally, the apparatus further comprises: and the timing module is used for starting the congestion control timer.
The invention also provides a device for realizing the DIAMETER signaling gateway, which comprises:
the protocol module is used for carrying out routing analysis on the received DIAMETER message to obtain an analysis outlet and configuring a first protocol for the analysis outlet;
the encoding module is used for decoding the received DIAMETER message to obtain a data field, and performing first protocol encoding on the data field according to configured target information corresponding to the DIAMETER message and the target information;
and the forwarding module is used for obtaining an outgoing link and forwarding the data field subjected to the first protocol coding to the outgoing.
Optionally, the apparatus further comprises:
a communication module for receiving a response message of the DIAMETER message;
a decoding module, configured to decode the received response message to obtain subscription data, and perform DIAMETER encoding on the subscription data;
a response module for transmitting the DIAMETER encoded response message.
Optionally, the protocol module performs routing analysis on the received DIAMETER message to obtain an analysis exit by:
and carrying out routing analysis, and obtaining an analysis outlet according to the IMSI analysis of the international mobile subscriber identity.
Optionally, the first protocol includes a MAP protocol or a DIAMETER protocol, and when the first protocol is the MAP protocol, the encoding module performs first protocol encoding on the data field according to the destination information:
and according to the MAP version, setting the source MAP address as GT of the local office, and carrying out MAP protocol coding on the data field.
Optionally, the decoding module decodes the received response message to obtain subscription data, and performing DIAMETER encoding on the subscription data refers to:
GT decoding is carried out on the received response message;
calling an address mapping table to obtain the Host/real of the destination office, setting the Host/real of the office according to the local identification of the link configuration corresponding to the incoming ULR message,
and carrying out DIAMETER message encoding on the cached subscription data according to HByH and E2E of the response message.
Optionally, the apparatus further comprises a releasing module configured to release the DIAMETER message and the cache data area of the response message of the DIAMETER message.
The invention also provides a system for implementing the DIAMETER signaling gateway, which comprises: the device for implementing the signaling gateway is described above.
Compared with the prior art, the invention has the following beneficial effects:
the scheme provided by the invention introduces DIAMETER signaling gateway DSG (DIAMETER Signal gateway), all DAIMETER network elements are interconnected through DSG, and DSG realizes flow control and load sharing, routing analysis and protocol translation mapping functions, so that signaling between LTE network and 2G/3G network is smoothly communicated, the complexity of direct connection between DIAMETER network elements is reduced, the IP network better meets the requirements of future service and flow control, and the network monitoring difficulty is greatly reduced.
Drawings
FIG. 1 is a flow chart of a method for implementing a DIAMETER-based signaling gateway according to an embodiment of the present invention;
figure 2 is a flow diagram of another method for implementing a DIAMETER signaling gateway in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an implementation apparatus based on a DIAMETER signaling gateway according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of another implementation apparatus based on a DIAMETER signaling gateway according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a networking architecture of an implementation system of a DIAMETER signaling gateway according to an embodiment of the present invention;
FIG. 6 is a schematic interface diagram of each network element of an implementation system of a DIAMETER signaling gateway according to an embodiment of the present invention;
FIG. 7 is a flow chart of flow control according to an embodiment of the present invention;
fig. 8 is a flow diagram of protocol translation according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the embodiments of the present invention with reference to the accompanying drawings is provided, and it should be noted that, in the case of conflict, features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other.
As shown in fig. 1, an embodiment of the present invention provides a method for implementing a DIAMETER signaling gateway, including:
carrying out routing analysis on the received load sharing data to obtain an analysis outlet;
and determining a flow outlet for sending the load sharing data according to the congestion degree of the analysis outlet.
Wherein, determining the peer-to-peer outlet for sending the load sharing data according to the congestion degree of the analysis outlet comprises:
sending a request message to the analysis outlet;
when the analysis outlet feeds back a response message, determining the analysis outlet as a flow outlet for sending load sharing data;
and when the analysis outlet feeds back the congestion response message, sending a request message to one or more peer outlets corresponding to the analysis outlet, and determining the peer outlets feeding back one or more response messages as flow outlets for sending load sharing data.
After analyzing the egress feedback congestion response message, the method further comprises: setting a congestion flag and/or starting a congestion control timer for the analysis egress.
As shown in fig. 2, an embodiment of the present invention further provides a method for implementing a DIAMETER signaling gateway, including:
carrying out routing analysis on the received DIAMETER message to obtain an analysis outlet, and configuring a first protocol for the analysis outlet;
decoding the received DIAMETER message to obtain a data field, and carrying out first protocol coding on the data field according to configured target information corresponding to the DIAMETER message and the target information;
and obtaining an outgoing link, and forwarding the data field subjected to the first protocol coding to the outgoing.
The first protocol includes: MAP protocol or the communication protocol of the DIAMETER signaling gateway of the embodiments of the present invention.
The method further comprises the following steps:
receiving a response message of the DIAMETER message;
decoding the received response message to obtain the signing data, and carrying out DIAMETER coding on the signing data;
the DIAMETER encoded response message is transmitted.
Wherein, the process of carrying out route analysis on the received DIAMETER message to obtain an analysis outlet comprises the following steps:
and carrying out routing analysis, and obtaining an analysis outlet according to the IMSI analysis of the international mobile subscriber identity.
The purpose information includes one or more of the following: destination code type, destination code, Mobile Application Part (MAP) version, and MAP negotiation flag.
Wherein performing a first protocol encoding on the data field according to the destination information comprises:
and according to the MAP version, setting the source MAP address as the global title GT (global title) of the local office, and carrying out MAP protocol coding on the data field.
Decoding the received response message to obtain the source transaction information, and encoding according to the subscription data comprises:
decoding the received response message to obtain the subscription data, wherein the DIAMETER coding of the subscription data comprises the following steps:
GT decoding is carried out on the received response message;
calling address mapping table to obtain Host/domain Host/real of destination office, setting Host/real of the office according to the local identification of link configuration corresponding to incoming ULR (Uniform Resource Locator) message,
and carrying out DIAMETER message encoding on the cached subscription data according to the sufficient hop identification HByH and the end-to-end identification E2E of the response message.
As shown in fig. 3, an embodiment of the present invention further provides an apparatus for implementing a DIAMETER signaling gateway, including:
the analysis module is used for carrying out routing analysis on the received load sharing data to obtain an analysis outlet;
and the flow module is used for determining a flow outlet for sending the load sharing data according to the congestion degree of the analysis outlet.
The traffic module determines a peer outlet for sending the load sharing data according to the congestion degree of the analysis outlet, which means that:
sending a request message to the analysis outlet;
when the analysis outlet feeds back a response message, determining the analysis outlet as a flow outlet for sending load sharing data;
and when the analysis outlet feeds back the congestion response message, sending a request message to one or more peer outlets corresponding to the analysis outlet, and determining the peer outlets feeding back one or more response messages as flow outlets for sending load sharing data.
The device further comprises: the system comprises a setting module and a timing module, wherein the setting module is used for setting a congestion sign for the analysis outlet; the timing module is used for starting a congestion control timer.
As shown in fig. 4, an embodiment of the present invention further provides an apparatus for implementing a DIAMETER signaling gateway, including:
the protocol module is used for carrying out routing analysis on the received DIAMETER message to obtain an analysis outlet and configuring a first protocol for the analysis outlet;
the encoding module is used for decoding the received DIAMETER message to obtain a data field, and performing first protocol encoding on the data field according to configured target information corresponding to the DIAMETER message and the target information;
and the forwarding module is used for obtaining an outgoing link and forwarding the data field subjected to the first protocol coding to the outgoing.
The device further comprises:
a communication module for receiving a response message of the DIAMETER message;
a decoding module, configured to decode the received response message to obtain subscription data, and perform DIAMETER encoding on the subscription data;
a response module for transmitting the DIAMETER encoded response message.
The protocol module performs routing analysis on the received DIAMETER message to obtain an analysis outlet, and the analysis outlet refers to the following steps:
and carrying out routing analysis, and obtaining an analysis outlet according to the IMSI analysis of the international mobile subscriber identity.
The first protocol comprises a MAP protocol or a DIAMETER protocol, and when the first protocol is the MAP protocol, the encoding module performs first protocol encoding on the data field according to the destination information, wherein the first protocol encoding is that:
and according to the MAP version, setting the source MAP address as GT of the local office, and carrying out MAP protocol coding on the data field.
The decoding module decodes the received response message to obtain the subscription data, and the DIAMETER coding of the subscription data refers to:
GT decoding is carried out on the received response message;
calling an address mapping table to obtain the Host/real of the destination office, setting the Host/real of the office according to the local identification of the link configuration corresponding to the incoming ULR message,
and carrying out DIAMETER message encoding on the cached subscription data according to HByH and E2E of the response message.
The device also comprises a releasing module used for releasing the DIAMETER message and the cache data area of the response message of the DIAMETER message.
As shown in fig. 5, an implementation system of a DIAMETER signaling gateway according to an embodiment of the present invention includes the above-mentioned implementation apparatus of the DIAMETER signaling gateway.
A DIAMETER signaling gateway DSG is introduced into an LTE network, a networking diagram is shown as figure 5, and various DAIMETER network elements are interconnected through the DSG. The interface of the DSG and each network element is shown in figure 6, and supports Gx, Rx, S6a/S6d, S9, Gy/Ro, Cx/Dx, Gz/Rf, Sh/Dh, S13/S13Bis and Sy interfaces.
The inflow flow control scheme of the invention comprises the following steps:
the DSG is used as a convergence node of the network, and supports overload control according to system resources and the quantity of Diameter messages forwarded:
system resources: DSG monitors the use condition of system resource, such as CPU, memory and message processing queue, and starts the overload control function when the use of system resource exceeds the preset overload threshold.
Diameter message quantity: DSG counts the received Diameter message transmitting quantity in real time, when the transmitted message packet quantity exceeds the preset overload threshold, the overload control function is started
The flow chart of the outflow control of the present invention is shown in fig. 7.
The first step is as follows: the local DEP sends a Request to Peer1 through route analysis, and at the moment, Peer1 is not in the congestion control period.
The second step is that: peer1 returns a response message with a failure code DIAMETER _ TOO _ BUSY, DEP informs GREG module Peer1 of congestion. And reselects the route Peer2, DEP resends the request to Peer 2.
The third step: GREG sets Peer1 congestion flag and sets DB flag bit and then starts the congestion control timer.
The fourth step: during the congestion control timer period, the congestion flag bit of Peer1 is set, and during this period, no route analysis will select Peer1.
The fifth step: when the congestion control timer on the GREG is up, the GREG releases the congestion control flag bit and informs the DB.
And a sixth step: the DEP then attempts to resend the subsequent request message to Peer1.
The seventh step: at this point Peer1 is still BUSY, or replies to a response message of DIAMETER _ TOO _ BUSY.
Eighth step: and (4) repeating the steps (2), (3) and (4).
The ninth step: until Peer1 no longer returns a DIAMETER _ TOO _ BUSY response message, at which point DEP send messages may be re-load-shared between Peer1 and Peer 2.
The protocol translation flow chart of the invention is shown in figure 8
The first step is as follows: the DEP sends the received DIAMETER message to the DRP;
the second step is that: when the DRP receives the data, flexible route analysis is carried out, an analysis outlet is obtained according to IMSI analysis, an MAP protocol is configured at the outlet and forwarded to an ADP process, and the ADP process carries an original code stream.
The third step: ADP decodes DIAMETER message completely, obtain the type of the destination code, MAP version, MAP consult the sign according to IMSI label, ADP sets up GT of the local office according to MAP version, source MAP address, carry on MAP code, when the message is sent to SCCP layer, SCCP carries on GT translation and obtains the outgoing link, transmit the message out.
The fourth step: and the SCCP process receives the message response and carries out GT turning to the local office according to the SCCP. And decoding the source transaction ID to obtain a module of the ADP process and forwarding the message to the ADP.
The fifth step: and the ADP process calls an address mapping table to obtain the Host/Realm of the destination office. And setting the local station identifier as the Host/real of the DSC according to the link configuration corresponding to the incoming ULR message. ADP encodes the DIAMETER message of the cached signing data according to HByH, E2E and the like of the response message, transmits the encoded signing data to DRP and releases an ADP data area;
and a sixth step: the DRP sends a response message to the DEP (MME) and releases the DRP data area.
The advantages of DSG are embodied as:
1) as DCC relay, DSG reduces complexity of SCTP interconnection and reduces burden of network element on maintenance of routing table and routing state. The MME and the HSS are interconnected through the DSG, if a new DCC network element is added in the network, the intercommunication of the DCC network element can be conveniently realized only by modifying DSG route configuration, so that the OPEX of an operator is reduced, and the operator network is more flexible.
2) The DSG is deployed to realize the intercommunication with other network DCC network elements, and the DSG can intensively perform the flow control of the outgoing network and the incoming network. Meanwhile, as a network element positioned at the network boundary, the DSG can effectively prevent potential network overload risks and network attack risks for operators. By the mode, the DSG simplifies the intercommunication complexity among different networks, does not need to expose the network structure of the network, and improves the network security.
3) The DSG is used as a gateway to provide Diameter/MAP intercommunication, thereby realizing roaming of LTE users. Through message mapping, DSG can realize mutual mapping between address/Point Code and Diameter node IDs in SS 7. Therefore, the evolution of the LTE network is simplified, and the seamless roaming function from the LTE user to the 2G/3G network is realized.
4) The DSG may provide centralized network monitoring functions. Through DSG, operators can collect network flow and user information, conveniently perform flow control, service analysis, problem location and the like, thereby improving OoS and QoE (quality of experience) of the network.
Although the embodiments of the present invention have been described above, the contents thereof are merely embodiments adopted to facilitate understanding of the technical aspects of the present invention, and are not intended to limit the present invention. It will be apparent to persons skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (13)

1. A method for implementing DIAMETER signaling gateway is characterized in that: the method comprises the following steps:
carrying out routing analysis on the received DIAMETER message to obtain an analysis outlet, and configuring a first protocol for the analysis outlet;
decoding the received DIAMETER message to obtain a data field, and carrying out first protocol coding on the data field according to configured target information corresponding to the DIAMETER message and the target information;
and obtaining an outgoing link, and forwarding the data field subjected to the first protocol coding to the outgoing.
2. The method of claim 1, further comprising:
receiving a response message of the DIAMETER message;
decoding the received response message to obtain the signing data, and carrying out DIAMETER coding on the signing data;
the encoded response message is sent DIANIETER.
3. The method of claim 1, wherein: performing routing analysis on the received DIAMETER message to obtain an analysis exit comprises:
and carrying out routing analysis, and obtaining an analysis outlet according to the IMSI analysis of the international mobile subscriber identity.
4. The method of claim 1, wherein: the purpose information includes one or more of the following: destination code type, destination code, mobile communication application part MAP version, MAP negotiation flag.
5. The method of claim 4, wherein: the first protocol comprises a MAP protocol or a communication protocol of a DlAMETER signaling gateway, and when the first protocol is the MAP protocol, performing first protocol coding on the data field according to the destination information comprises:
and according to the MAP version, setting the source MAP address as the global title GT of the local office, and carrying out MAP protocol coding on the data field.
6. The method of claim 2, wherein: decoding the received response message to obtain the subscription data, wherein the DIAMETER coding of the subscription data comprises the following steps:
GT decoding is carried out on the received response message;
calling an address mapping table to obtain a Host/domain Host/real of a destination office, setting the Host/real of the office according to the local identification of the link configuration corresponding to the incoming uniform resource locator (ULR) message,
and carrying out DIAMETER message encoding on the cached subscription data according to the sufficient hop identification HByH and the end-to-end identification E2E of the response message.
7. The method of claim 2, wherein: and a cache data area for releasing the DIAMETER message and the response message of the DIAMETER message.
8. An apparatus for implementing a DIAIETER signaling gateway, comprising: the method comprises the following steps:
the protocol module is used for carrying out routing analysis on the received DIAMETER message to obtain an analysis outlet and configuring a first protocol for the analysis outlet;
the encoding module is used for decoding the received DIAMETER message to obtain a data field, and performing first protocol encoding on the data field according to configured target information corresponding to the DIAMETER message and the target information;
and the forwarding module is used for obtaining an outgoing link and forwarding the data field subjected to the first protocol coding to the outgoing.
9. The apparatus of claim 8, further comprising:
a communication module for receiving a response message of the DIAMETER message;
the decoding module is used for decoding the received response message to obtain subscription data and performing D1AMETER coding on the subscription data;
a response module for transmitting the DIAMETER encoded response message.
10. The apparatus of claim 8, wherein: the protocol module performs routing analysis on the received DIAMETER message to obtain an analysis outlet, and the analysis outlet refers to the following steps:
and carrying out routing analysis, and obtaining an analysis outlet according to the IMSI analysis of the international mobile subscriber identity.
11. The apparatus of claim 8, wherein: the first protocol comprises a MAP protocol or a DIAMETER protocol, and when the first protocol is the MAP protocol, the encoding module performs first protocol encoding on the data field according to the destination information, wherein the first protocol encoding is that:
and according to the MAP version, setting the source MAP address as GT of the local office, and carrying out MAP protocol coding on the data field.
12. The apparatus of claim 9, wherein: the decoding module decodes the received response message to obtain the subscription data, and the DIAMETER coding of the subscription data refers to:
GT decoding is carried out on the received response message;
calling an address mapping table to obtain the Host/real of the destination office, setting the Host/real of the office according to the local identification of the link configuration corresponding to the incoming ULR message,
and carrying out DIAMETER message encoding on the cached subscription data according to HByH and E2E of the response message.
13. The apparatus of claim 9, wherein: the device also comprises a releasing module used for releasing the DIAMETER message and the cache data area of the response message of the DIAMETER message.
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