CN106789758B - A method of realizing that IP terminal multiple domain shares with more logon modes - Google Patents
A method of realizing that IP terminal multiple domain shares with more logon modes Download PDFInfo
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- CN106789758B CN106789758B CN201611114836.XA CN201611114836A CN106789758B CN 106789758 B CN106789758 B CN 106789758B CN 201611114836 A CN201611114836 A CN 201611114836A CN 106789758 B CN106789758 B CN 106789758B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
- H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Abstract
The shared method of IP terminal multiple domain is realized with more logon modes the invention discloses a kind of, is related to data communication field.The present invention realizes the shared method of IP terminal multiple domain with more logon modes, uses standard IP signaling agreement by IP terminal, is registered to the SoftSwitch of multiple domain;It is synchronous by the port status between IP terminal and multiple domain SoftSwitch, it completes multiple domain and the coordination of IP terminal resource is shared;Management control the method achieve multiple domain to IP terminal, enhances the reliability of disaster tolerance of system, improves the resource utilization of IP terminal, reduce scheme cost;Meanwhile the use of standard IP signaling agreement, improve networking flexibility.
Description
Technical field
The invention belongs to the methods that under data communication field more particularly to IP network environment, IP terminal is shared by multiple domain.
Background technique
It is the inexorable trend of future communications development using soft switch as the next generation network (NGN) of core.Flexible exchanging network is adopted
The technology mutually separated with Call- Control1 with carrying, has terminal device and lays simply, and business carries out the features such as quick, exists at present
It gets a lot of applications both at home and abroad.
Soft switch has mesh network, layering three kinds of soft switch, location-server networking modes.When networking plan only exists one
When soft switch domain, all IP terminals are all registered to unique SoftSwitch, receive the management control of the SoftSwitch.When networking side
For case there are when multiple soft switch domains, conventional application is that IP terminal is only registered to local domain SoftSwitch, receives the SoftSwitch
Management control;The control access of not same area IP terminal is realized in interconnection between SoftSwitch.But in certain specific applications, IP terminal
Limited amount, it is desirable that multiple domains can share same IP terminal resource.Such as emergency command, it can to improve the disaster tolerance of networking plan
By property, multiple strange land command posts can be set, the management of the same forward position emergency vehicles is controlled, be used in conjunction on motor vehicle
It amplifies and the resources such as radio station.
In the above specific application, Yao Shixian IP terminal resource is shared by multiple domain, how to solve multiple domain to IP terminal resource shape
The real time monitoring of state, the conflict for avoiding multi-zone management from controlling, becomes the key of this technology.
Summary of the invention
The object of the present invention is to provide a kind of methods that IP terminal is shared by multiple domain SoftSwitch.The present invention is with the more side of registration
Formula realizes the shared method of IP terminal multiple domain, improves terminal utilization rate, reduces scheme cost, it is reliable to enhance system disaster tolerance
Property.
The present invention uses following technical scheme, is attained in that a kind of total with more logon modes realization IP terminal multiple domain
Method includes the following steps:
S1:IP terminal construct a multiple domain SoftSwitch list and IP terminal to each domain SoftSwitch routing, often
The data parameters of the SoftSwitch configuration of IP terminal in a domain;The content of the multiple domain SoftSwitch list includes TSAP, authentication letter
Breath, registration period, the terminal prot list of occupancy, operating status and receive registration reply mark, the data parameters include mirror
Weigh information and registration period;
S2:IP terminal initiates registration request to the SoftSwitch in each domain using IP signaling agreement;
S3: the SoftSwitch in each domain is replied after receiving registration request to the transmission registration of IP terminal;
S4:IP terminal judges the SoftSwitch in the domain still to exit service into service, to enter according to reply is registered
When service, the state synchronization message of IP terminal all of the port is sent to the SoftSwitch in the domain;When to exit service, the domain is discharged
The IP terminal all of the port that occupies of SoftSwitch, and send IP terminal all of the port to other SoftSwitches for entering service
State synchronization;
S5:IP terminal enters calling, and the port of the IP terminal is occupied, and sending to all SoftSwitches for entering service should
The busy synchronizing information of port status;IP terminal terminates to call, and the port of the IP terminal is released, to all soft friendships for entering service
It changes planes and sends the synchronizing information of port status free time.
The present invention has the beneficial effect that compared to background technique
The present invention realizes the shared method of IP terminal multiple domain with more logon modes, is assisted by IP terminal using standard IP signaling
View, is registered to the SoftSwitch of multiple domain;It is synchronous by the port status between IP terminal and multiple domain SoftSwitch, complete multiple domain
The coordination of IP terminal resource is shared;Management control the method achieve multiple domain to IP terminal, the disaster tolerance for enhancing system can
By property, the resource utilization of IP terminal is improved, reduces scheme cost;Meanwhile the use of standard IP signaling agreement, it improves
Networking flexibility.
Detailed description of the invention
Fig. 1 is IP endpoint to register process flow diagram of the invention;
Fig. 2 is that IP terminal of the invention receives setup requests process flow diagram from domain SoftSwitch;
Fig. 3 is that IP terminal of the invention receives call release request process flow diagram from domain SoftSwitch;
Fig. 4 is that domain SoftSwitch of the invention receives IP terminal prot state synchronization message process flow diagram;
Fig. 5 is the schematic network structure of the embodiment of the present invention.
Specific embodiment
Below with reference to Fig. 1 to flow chart shown in Fig. 4, and embodiment as shown in Figure 5 is combined to carry out in detail the present invention
Explanation.
A method of it realizing that IP terminal multiple domain shares with more logon modes, includes the following steps:
Constructed in S1:IP terminal the list of multiple domain SoftSwitch and IP terminal to each domain SoftSwitch routing, each
The data parameters of the SoftSwitch configuration of IP terminal in domain;
Each SoftSwitch data parameters include TSAP, authentication information, registration period, the terminal prot list of occupancy, fortune
Row state replys mark with registration is received;The data parameters of IP terminal include authentication information and registration period;
S2:IP terminal starts cycle timer, sends registration request to the SoftSwitch in each domain using IP signaling agreement;
S3: SoftSwitch receives registration request in domain, sends registration to IP terminal and replys;
S4:IP terminal judges the SoftSwitch in the domain still to exit service into service, if IP is whole according to reply is registered
End detects that certain domain SoftSwitch enters service, sends IP terminal all of the port state synchronization message to the SoftSwitch;If IP
Terminal detects that certain domain SoftSwitch exits service, discharges the IP terminal all of the port of SoftSwitch occupancy, and to other institutes
Stateful normal SoftSwitch sends terminal all of the port state synchronization message;
IP terminal judges that the SoftSwitch in the domain still to exit service into service, specifically includes step according to reply is registered
It is rapid:
S41:IP terminal receives message, detects type of message, if super when message is timer, IP terminal is successively taken out
Data in multiple domain SoftSwitch list carry out operating status processing for each domain: detecting whether to have been received by the domain soft switch
The registration of machine is replied, if so, the SoftSwitch operating status for identifying the domain is normal;Otherwise, the SoftSwitch fortune in the domain is identified
Row abnormal state;If message is that registration is replied, according to TSAP data in replying, multiple domain SoftSwitch table data, mark are searched
Know the domain and has been received by registration reply;
S42:IP terminal detects that certain domain SoftSwitch operating status becomes normal from abnormal, identifies the domain and enters service;
Detect that certain domain operating status from normally becoming abnormal, identifies the domain and exits service.
S5:IP terminal enters calling, and the port of the IP terminal is occupied, and sending to all SoftSwitches for entering service should
The busy synchronizing information of port status;IP terminal terminates to call, and the port of the IP terminal is released, to all soft friendships for entering service
It changes planes and sends the synchronizing information of port status free time.
IP terminal enters calling and is divided into two kinds of situations, and a kind of call setup receiving certain domain SoftSwitch for IP terminal is asked
It asks, another kind is that IP terminal actively initiates calling;IP terminal terminates calling and is divided into two kinds of situations, and one kind is that IP terminal receives certain
The call release request of domain SoftSwitch, another kind are IP terminal prot call release.
IP terminal receives the setup requests of certain domain SoftSwitch: judge whether the port status is idle, if
It is to be successfully established to the SoftSwitch answering call, it is busy for identifying the port status, and port-mark is added to the soft switch
In the terminal prot list that machine occupies, busy the synchronizing of the port status finally is sent to the normal SoftSwitch of all states and is disappeared
Breath;Otherwise, it establishes and fails to the SoftSwitch answering call, send the busy synchronizing information of the port status.
IP terminal receives the call release request of certain domain SoftSwitch: judging whether the port is in the SoftSwitch
It occupies in port list, if so, discharging successfully to the SoftSwitch answering call, identifies the port status as the free time, and will
Port-mark is deleted from the occupancy port list of the SoftSwitch, finally sends the end to the normal SoftSwitch of all states
The synchronization message of mouth idle;Otherwise, to the SoftSwitch answering call release failure, the same of the port current state is sent
Walk information.
IP terminal prot initiates calling: the routing of multiple domain SoftSwitch, detection routing knot are 1. inquired according to called identification
Fruit sends setup requests, identifying the port status is busy, Xiang Suoyou if the SoftSwitch operating status in the domain is normal
The normal SoftSwitch of state sends the busy synchronization message of the port status, which is added to the SoftSwitch and is occupied
Terminal prot list in, execute 2.;Otherwise, call failure terminates this process.
2. purpose SoftSwitch receives the setup requests of IP terminal, query resource management, if called state is idle,
To the success of IP terminal replies call setup, terminate this process;Otherwise, fail to IP terminal replies call setup, execute 3..
3. IP terminal receives call setup and unsuccessfully replys, identify the port status for free time, and by port-mark from this
It is deleted in the occupancy port list of SoftSwitch, finally sends the port status free time to the normal SoftSwitch of all states
Synchronization message.
IP terminal prot call release: call release request 1. is sent to the SoftSwitch for occupying the port, identifies the end
Mouth state is the free time, and port-mark is deleted from the occupancy port list of the SoftSwitch, finally normal to all states
SoftSwitch send the synchronization message of port status free time.
2. purpose SoftSwitch receives the call release request of IP terminal, query resource management is set if called state is busy
Called state is the free time;
3. the SoftSwitch in each domain receives the port status synchronization message of IP terminal, by all of the port state in synchronization message
Update resource management.
IP terminal and each domain SoftSwitch all support standard IP signaling agreement.
Such as Fig. 5, shown network structure, IP terminal A, SoftSwitch A, IP terminal B, SoftSwitch B and IP terminal C are connect
Enter IP network.All devices herein all support Session Initiation Protocol, and IP terminal C has more registering functionals.Wherein IP terminal A and
SoftSwitch A belongs to the domain A, and IP terminal B and SoftSwitch B belong to the domain B.
Below using IP terminal C as multiple domain shared device, IP terminal A calls IP terminal C and establishes call, IP terminal A on-hook knot
The present invention is described in detail for beam call.
A method of it realizing that IP terminal multiple domain shares with more logon modes, includes the following steps:
S1, IP terminal A and SoftSwitch A are configured, are specifically included:
1) it is 1000 that certain portal number is configured in IP terminal A, IP address that the TSAP of server is SoftSwitch A and
SIP signaling port, registration period Ta;
2) configuration of IP terminal A portal number and registration period Ta in SoftSwitch A;IP terminal C port number and registration
Cycle T c;
S2, IP terminal B and SoftSwitch B are configured, are specifically included:
1) it is 2000 that certain portal number is configured in IP terminal B, IP address that the TSAP of server is SoftSwitch B and
SIP signaling port, registration period Tb;
2) configuration of IP terminal B portal number and registration period Tb in SoftSwitch B;IP terminal C port number and registration
Cycle T c;
S3, IP terminal C is configured, is specifically included:
1) configuring certain portal number is 3000;
2) IP address and SIP signaling port that the TSAP of configuration server 1 is SoftSwitch A, the TSAP of server 2 are soft
The IP address of switch b and SIP signaling port, registration period Tc, currently processed server index SERVER_DOING_
INDEX initial value is 0;For each server, definition mark receives the variable registered and replied as RCV_REG_RESP_FLAG;
The variable for defining identification server operating status is SERVER_STA_FLAG;
3) routing of IP terminal A and IP terminal B is respectively configured.
It is registered between S4, IP terminal C and server, detailed process includes:
A, IP terminal C create cycle timer T, respectively to SoftSwitch A and B send registration request, set SoftSwitch A and
The variable R CV_REG_RESP_FLAG of B is FALSE;
B, SoftSwitch A and B receives the registration request of IP terminal C, sends registration respectively and replys;
C, IP terminal c program blocks, and starts to receive message;After receiving message, type of message is detected, if it is circulation timing
Surpass when device T, executes following d steps;It is replied if it is registration, executes following f steps;
D, from SoftSwitch configured list, the corresponding SoftSwitch data of index SERVER_DOING_INDEX are taken out,
Its variable R CV_REG_RESP_FLAG is detected, if it is TRUE, it is normal to identify the SoftSwitch operating status, sets variable R CV_
REG_RESP_FLAG is FALSE, jumps to e step;Otherwise, the operating status for identifying the SoftSwitch is abnormal, jumps to e
Step;
E, registration request is sent to the SoftSwitch;Judge to index whether SERVER_DOING_INDEX is last in list
One, if so, setting SERVER_DOING_INDE is 0, jump to above-mentioned c step;Otherwise, SERVER_DOING_ is indexed
INDEX increases by 1, jumps to above-mentioned d step;
F, according to the TSAP information in the registration reply received, multiple domain SoftSwitch configured list is inquired, is found matched
SoftSwitch A;Setting variable R CV_REG_RESP_FLAG in the SoftSwitch data is TRUE;Jump to above-mentioned c step;
S5, IP terminal A initiate call setup to IP terminal C, and detailed process includes:
A, IP terminal A is registered to SoftSwitch A;IP terminal A utilizes portal number 1000, dials and wails code 3000, will exhale
The SIP signaling of foundation is made to be sent to SoftSwitch A;
B, SoftSwitch A receives the SIP signaling of setup requests, detects 3000 state of port of called IP terminal C, such as
Fruit is the free time, routes the call to IP terminal C, jumps to c step;Otherwise, call denial response is sent to caller IP terminal A;
C, IP terminal C receives setup requests, according to the TSAP in message, inquires local soft switch list, looks for
To matched SoftSwitch A;Detect whether called 3000 state of port is idle, if so, jumping to d step;Otherwise, it jumps
It is walked to e;
D, it is successfully established to the SoftSwitch answering call;It is busy for identifying called 3000 state of port;By called port
3000 are added in the port resource list of SoftSwitch occupancy;SoftSwitch list is inquired, it is stateful normal soft to institute
Interchanger sends the busy synchronization message of state of the called port 3000;
E, it establishes and fails to the SoftSwitch answering call;The state for sending called port 3000 to the SoftSwitch is busy same
Walk message;
S6, IP terminal A initiate calling release to IP terminal C, and detailed process includes:
A, the port 3000 of IP terminal A terminates calling, sends SoftSwitch A for the SIP signaling of calling release;
B, SoftSwitch A receives the SIP signaling of calling release, and release signaling is forwarded to IP terminal C;
C, IP terminal C receives call release request, according to the TSAP in message, inquires local soft switch list, looks for
To matched SoftSwitch A;Detection is released whether port 3000 occupies in port resource list in the SoftSwitch, if
It is to jump to d step;Otherwise, e step is jumped to;
D, it is discharged successfully to the SoftSwitch answering call;Identifying called 3000 state of port is the free time;By called port
3000 delete from the port resource list that the SoftSwitch occupies;SoftSwitch list is inquired, it is stateful normal soft to institute
Interchanger sends the idle synchronization message of the called port 3000;
E, to the SoftSwitch answering call release failure;The current state of called port 3000 is sent to the SoftSwitch
Synchronization message;
In addition to the IP terminal of the support Session Initiation Protocol in above-described embodiment and SoftSwitch, the present invention can also solve to prop up
Hold H.323, the multiple domain of the IP signalings protocol terminal such as MEGACO and MGCP or integrated access equipment (IAD) share problem.
The processing core of this method are as follows:
IP terminal initiates register flow path to multiple domain SoftSwitch, is replied by detection registration with registration request judge respectively
Counterpart device operating status.
IP terminal is when establishing and call release, the normal SoftSwitch sending port state synchronized of Xiang Suoyou operating status
Message;After SoftSwitch receives port status synchronization message, location resource allocation port status is updated.
IP terminal detects that certain domain SoftSwitch enters service, sends terminal all of the port state synchronized to the SoftSwitch
Message;It detects that certain domain SoftSwitch exits service, discharges all terminal prots of SoftSwitch occupancy, and all to other
The normal SoftSwitch of state sends terminal all of the port state synchronization message.
IP terminal is configured to the routing of multiple domain SoftSwitch, and when a call is initiated, routing is sent according to called identification selection
Signaling is to which SoftSwitch.
In conclusion being not intended to limit the scope of the present invention the above is only preferred application example of the invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement for being made etc., should be included in protection scope of the present invention
Within.
Claims (4)
1. a kind of realize the shared method of IP terminal multiple domain with more logon modes, which comprises the steps of:
S1:IP terminal construct a multiple domain SoftSwitch list and IP terminal to each domain SoftSwitch routing, each domain
SoftSwitch configuration of IP terminal data parameters;The content of the multiple domain SoftSwitch list includes TSAP, authentication information, note
Volume the period, the terminal prot list of occupancy, operating status and receive registration reply mark, the data parameters include authentication information
And registration period;
S2:IP terminal initiates registration request to the SoftSwitch in each domain using IP signaling agreement;
S3: the SoftSwitch in each domain is replied after receiving registration request to the transmission registration of IP terminal;
S4:IP terminal judges the SoftSwitch in the domain still to exit service into service, to enter service according to reply is registered
When, the state synchronization message of IP terminal all of the port is sent to the SoftSwitch in the domain;When to exit service, the soft of the domain is discharged
The IP terminal all of the port that interchanger occupies, and enter the state that the SoftSwitches serviced send IP terminal all of the port to other
Synchronizing information;
S5:IP terminal enters calling, and the port of the IP terminal is occupied, sends the port to all SoftSwitches for entering service
The busy synchronizing information of state;IP terminal terminates to call, and the port of the IP terminal is released, to all SoftSwitches for entering service
Send the synchronizing information of port status free time.
2. a kind of method for realizing that IP terminal multiple domain is shared with more logon modes according to claim 1, which is characterized in that
IP terminal described in step S5 enters calling, and the port of the IP terminal is occupied, sends to all SoftSwitches for entering service
The busy synchronizing information of the port status, wherein IP terminal enters calling and is divided into two kinds of situations, and one kind is that IP terminal receives certain domain
The setup requests of SoftSwitch, another kind are that IP terminal actively initiates calling,
IP terminal receives the setup requests of certain domain SoftSwitch, specifically: judge whether the port status is the free time, such as
Fruit is successfully established to the SoftSwitch answering call, and it is busy for identifying the port status, and port-mark is added to the soft friendship
In the terminal prot list for occupancy of changing planes, busy the synchronizing of the port status finally is sent to all SoftSwitches for entering service and is disappeared
Breath;Otherwise, it establishes and fails to the SoftSwitch answering call, send the busy synchronizing information of the port status to the SoftSwitch;
IP terminal actively initiates calling, comprising the following steps:
S51:IP terminal inquires its routing for arriving purpose SoftSwitch according to called identification, judges the soft friendship of purpose according to route results
Whether operating status of changing planes normal, if operating status is normal, sends setup requests, identify the port status be it is busy,
The busy synchronization message of the port status is sent to all SoftSwitches for entering service, which is added to the soft switch
In the terminal prot list that machine occupies, step S52 is executed;Otherwise, call failure terminates this process;
S52: purpose SoftSwitch receives the setup requests of IP terminal, and query resource management is set if called state is idle
It is called as talking state, terminates this process;Otherwise, fail to IP terminal replies call setup, execute step S53;
S53:IP terminal receives call setup and unsuccessfully replys, and identifies the port status as the free time, and port-mark is soft from this
It is deleted in the occupancy port list of interchanger, finally sends the same of port status free time to all SoftSwitches for entering service
Walk message.
3. a kind of method for realizing that IP terminal multiple domain is shared with more logon modes according to claim 1, which is characterized in that
IP terminal terminates to call in step S5, and the port of the IP terminal is released, and sends the end to all SoftSwitches for entering service
The synchronizing information of mouthful idle, wherein IP terminal terminates calling and is divided into two kinds of situations, and it is soft that one kind is that IP terminal receives certain domain
The call release request of interchanger, another kind are IP terminal prot call release,
IP terminal receives the call release request of certain domain SoftSwitch, specifically: judge whether the port is in the soft switch
In the occupancy port list of machine, if so, discharging successfully to the SoftSwitch answering call, identifying the port status is the free time,
And delete port-mark from the occupancy port list of the SoftSwitch, finally sent to all SoftSwitches for entering service
The synchronization message of port status free time;Otherwise, to the SoftSwitch answering call release failure, the port current state is sent
Synchronizing information;
IP terminal prot call release, specifically includes step:
S54:IP terminal sends call release request to the SoftSwitch for occupying port, identifies the port status as the free time, and will
Port-mark is deleted from the occupancy port list of the SoftSwitch, finally sends the end to all SoftSwitches for entering service
The synchronization message of mouth idle;
S55: purpose SoftSwitch receives the call release request of IP terminal, sets called state in resource management as the free time;Respectively
The SoftSwitch in domain receives the port status synchronization message of IP terminal, and all of the port state in synchronization message is updated to respective
Resource management.
4. more logon modes according to claim 1 realize the shared method of IP terminal multiple domain, which is characterized in that the step
IP terminal judges that the SoftSwitch in the domain still exits service, specific steps to enter service according to reply is registered in rapid S4 are as follows:
S41:IP terminal receives message and detects type of message, if super when message is timer, IP terminal successively takes out multiple domain
Data in SoftSwitch list carry out operating status processing for each domain;If message is that registration is replied, foundation is registered back
TSAP data in multiple search multiple domain SoftSwitch table data, identify the domain and have been received by registration reply;The message includes fixed
When device when super and registration reply;
Operating status processing is carried out for each domain, specifically: detect whether that the registration for having been received by the domain SoftSwitch is replied, such as
Fruit be identify the domain SoftSwitch operating status it is normal;Otherwise, the SoftSwitch operating status for identifying the domain is abnormal;
S42:IP terminal detects that the operating status of certain domain SoftSwitch becomes normal from abnormal, identify the SoftSwitch in the domain into
Enter service;The operating status of certain domain SoftSwitch is detected from normally becoming abnormal, the SoftSwitch for identifying the domain exits service.
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CN1545338A (en) * | 2003-11-27 | 2004-11-10 | 中兴通讯股份有限公司 | Method and system for improving reliability of soft switch using off-site backup |
CN1968429A (en) * | 2006-04-27 | 2007-05-23 | 华为技术有限公司 | Double-home implementation method and system |
CN101005431A (en) * | 2006-06-24 | 2007-07-25 | 华为技术有限公司 | Realizing device and method for multiple homing in next generation network |
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CN1545338A (en) * | 2003-11-27 | 2004-11-10 | 中兴通讯股份有限公司 | Method and system for improving reliability of soft switch using off-site backup |
CN1968429A (en) * | 2006-04-27 | 2007-05-23 | 华为技术有限公司 | Double-home implementation method and system |
CN101005431A (en) * | 2006-06-24 | 2007-07-25 | 华为技术有限公司 | Realizing device and method for multiple homing in next generation network |
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