CN101697517A - Device, system and method for reducing call loss in on-line billing - Google Patents
Device, system and method for reducing call loss in on-line billing Download PDFInfo
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- CN101697517A CN101697517A CN200910190261A CN200910190261A CN101697517A CN 101697517 A CN101697517 A CN 101697517A CN 200910190261 A CN200910190261 A CN 200910190261A CN 200910190261 A CN200910190261 A CN 200910190261A CN 101697517 A CN101697517 A CN 101697517A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1453—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network
- H04L12/1467—Methods or systems for payment or settlement of the charges for data transmission involving significant interaction with the data transmission network involving prepayment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/62—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP based on trigger specification
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/64—On-line charging system [OCS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/70—Administration or customization aspects; Counter-checking correct charges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/70—Administration or customization aspects; Counter-checking correct charges
- H04M15/725—Administration or customization aspects; Counter-checking correct charges by the operator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/70—Administration or customization aspects; Counter-checking correct charges
- H04M15/74—Backing up
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Abstract
The invention discloses a device, a system and a method for reducing call loss in on-line billing, which belong to the field of communication. The device can be connected and communicated with an on-line billing client and a server respectively, and can comprise an internal communication module connected and communicated with the client to carry out information interaction, a call loss reducing module which receives information sent by the internal communication module, identifies a session message of the information to generate a session identifier and carries out session management, and an external communication module connected and communicated with the call loss reducing module and the server respectively to carry out information interaction. The system and the method can separately manage service logic control and session maintenance by arranging access equipment, and utilizes various mechanisms, such as redundance, dynamic load feedback, resending overtime, abnormal link and notification on busy, to protect service message security to reduce the call loss.
Description
Technical field
The present invention relates to communication field, specially refer to device, system and method that a kind of online charging reduces call loss.
Background technology
(Online Charging System OCS) can be used for realizing online charging to Online Charging System, and functions such as pre-payment and account's processing in real time are provided.Existing online charging system can be separated client's traffic controlled function and billing function, sets up the directly mutual of billing mechanism and session/service control, and charging can be participated in the use of service.So, the great ability that both can utilize independent counting can utilize the real-time characteristic that participates in use again so that the flexibility that approaches the quasi real time charging system to be provided, and drops to the arrearage cost minimum.
At present, insert the online charging agreement (OCP) of Online Charging System employing usually based on Diameter.The Diameter basic agreement provides framework safe, reliable and that be easy to expand for various authentication business.Defining Diameter based on this uses, only need the definition application protocol application identities, participate in message content and protocol procedures between the functional entity of the network functional entity of communication and intercommunication mutually, just can rely on the Diameter basic agreement fully and finish specific access and applied business.
But, insert the node (online charging client) of online charging server end in the prior art, such as Service Control Point of intelligent network (SCP), it all is direct access, service logic control and session control bundle, coupling is stronger, easily because session control influences user call proceeding or produces arrearage risk etc.
Summary of the invention
One of purpose of the present invention reduces device, the system and method for call loss for a kind of online charging is provided, and can reduce the percent of call lost.
The present invention proposes the device that a kind of online charging reduces call loss, is connected communication with the client and the service end of online charging respectively, and described device comprises:
The intercommunication module is connected communication with described client, carries out information interaction;
Reduce the call loss module, receive the information that described intercommunication module transmits, wherein conversation message is identified with differentiating sessions the guild's words management of going forward side by side;
External communication module is connected communication with described reduction call loss module and service end respectively, carries out information interaction.
Preferably, described reduction call loss module comprises:
The session identification unit identifies to produce session identification, differentiating sessions conversation message;
Load Balance Unit detects the business load situation of described service end, and carries out session according to described business load situation and distribute; Described business load situation comprises service traffics, response time and/or expired times.
Preferably, described reduction call loss module also comprises:
The link management submodule detects management to link, and is unimpeded with the maintenance link by the maintenance to link.
Preferably, described link management submodule comprises emergent flow process unit and/or dynamic link unit;
Described emergent flow process unit is checked and is handled link, carry out in the session transmissions overtime repeating transmission, meet busy notice and/or masterslave switchover;
Described dynamic link unit is revised configuration and is upgraded link, allows to carry out the replacing of dynamic client or service end.
Preferably, described configuration comprises:
The configuration of relevant information and Diameter relevant information.
Preferably, described device also comprises:
The upgrading protection module is used for the information protection during upgrading of described device; The reception of refusal new session before upgrading, and after the message of finishing dealing with, carry out the upgrading of described device.
Preferably, described upgrading protection module comprises:
Message sending unit sends upgrading message to described client, the rejection new session;
Whether the session detecting unit detects session and finishes dealing with, and sends the message of finishing dealing with;
The chain rupture transmitting element receives the described message of finishing dealing with, and sends chain rupture message to described client and service end;
The starting and upgrading unit receives the feedback message of described client and service end, closes described device, upgrades.
Preferably, described device also comprises:
The service end protection module is used for the information protection that described service end is restarted, and whether detect has standby service end to carry out switching services, the reception of control new session before restarting.
Preferably, described service end protection module comprises:
Receive and detecting unit, receive the chain rupture message that service end sends, and whether detection there is standby service end to carry out switching services;
Second transmitting element will send service end and restart message to above-mentioned client, the rejection new session;
Whether second detecting unit detects session and finishes dealing with, and sends the message of finishing dealing with;
The link establishment unit receives service end link setup message, rebulids with service end to link, and sends the message of recovering new session to client.
The present invention also proposes the method that a kind of online charging reduces call loss, is applied to comprise the client of carrying out the service logic management, carries out the access device of session management and carry out in the Online Charging System of service end of accounting management, and described method comprises step:
Described access device receives the information that client sends;
Conversation message in the described information is identified with differentiating sessions the guild's words management of going forward side by side;
Conversation message after sign and the management is sent to service end.
Preferably, described conversation message after will identifying and manage is sent to and comprises step before the step of service end:
Link is detected and maintenance management.
The present invention proposes the system that a kind of online charging reduces call loss again, and client and service end that it comprises online charging also comprise the access device that carries out session control;
Described client is carried out control and management to service logic;
Described access device is connected communication, interactive information with described client and service end respectively; Receive the information that described client transmits, wherein conversation message is identified with differentiating sessions the guild's words management of going forward side by side;
Described service end receives described conversation message and carries out accounting management.
Preferably, described client comprises:
The service logic control module loads and the control service logic, and business information is packaged and identifies;
First communication module is connected communication with described service logic control module and access device respectively, carries out information interaction.
Preferably, described access device comprises:
The intercommunication module is connected communication with described client, carries out information interaction;
Reduce the call loss module, receive the information that described intercommunication module transmits, wherein conversation message is identified with differentiating sessions the guild's words management of going forward side by side;
External communication module is connected communication with described reduction call loss module and service end respectively, carries out information interaction.
Preferably, described reduction call loss module comprises:
The session identification unit identifies to produce session identification, differentiating sessions conversation message;
Load Balance Unit detects the business load situation of described service end, and carries out session according to described business load situation and distribute; Described business load situation comprises service traffics, response time and/or expired times.
Preferably, described reduction call loss module comprises the link management submodule, and link is detected and manages, and is unimpeded with the maintenance link by the maintenance to link; Described link management submodule comprises emergent flow process unit and/or dynamic link unit;
Described emergent flow process unit is checked and is handled link, carry out in the session transmissions overtime repeating transmission, meet busy notice and/or masterslave switchover;
Described dynamic link unit is revised configuration and is upgraded link, allows to carry out the replacing of dynamic client or service end.
The present invention reintroduces the method that a kind of online charging reduces call loss, is applied to comprise the client of carrying out the service logic management, carries out the access device of session management and carry out in the Online Charging System of service end of accounting management, and described method comprises step:
By described client service logic is controlled;
The conversation message in the described client transmission information is identified with differentiating sessions the guild's words management of going forward side by side by described access device.
Preferably, comprise step after the described step of service logic being controlled by described client:
Heartbeat detection by described client is to carrying out choosing of access device.
Online charging of the present invention reduces device, the system and method for call loss, manages by the control of the service logic in the online charging is separated with session control, avoids having reduced rate of lost call owing to both bundle each other the harmful effect of causing; Simultaneously, can utilize redundancy, dynamic load feedback, overtime repeating transmission, link unusual and meet mechanism protection service message safety such as busy notice, make the percent of call lost reduce.
Description of drawings
Fig. 1 is the structural representation of the described device of one embodiment of the invention;
Fig. 2 is the structural representation that the described device of one embodiment of the invention reduces the call loss module;
Fig. 3 is another structural representation that the described device of one embodiment of the invention reduces the call loss module;
Fig. 4 is the structural representation of the described device link management of one embodiment of the invention submodule;
Fig. 5 is another structural representation of the described device of one embodiment of the invention;
Fig. 6 is the structural representation of the upgrading protection module of the described device of one embodiment of the invention;
Fig. 7 is the structural representation of the service end protection module of the described device of one embodiment of the invention;
Fig. 8 is the steps flow chart schematic diagram of the described method of another embodiment of the present invention;
Fig. 9 is the steps flow chart schematic diagram of method described in another embodiment of the present invention one execution mode;
Figure 10 is the structural representation of the described system of another embodiment of the present invention;
Figure 11 is another structural representation of the described system of another embodiment of the present invention;
Figure 12 is the structural representation of the reduction call loss module of the described system of another embodiment of the present invention;
Figure 13 is the structural representation of the described system link management of another embodiment of the present invention submodule;
Figure 14 is the structural representation of the access device of the described system of another embodiment of the present invention;
Figure 15 is the structural representation of the upgrading protection module of the described system of another embodiment of the present invention;
Figure 16 is the handling process schematic diagram of access device in the upgrading protection of the described system of another embodiment of the present invention;
Figure 17 is the handling process schematic diagram of client in the upgrading protection of the described system of another embodiment of the present invention;
Figure 18 is the structural representation of the service end protection module of the described system of another embodiment of the present invention;
Figure 19 is the handling process schematic diagram of service end in restarting protection of the described system of another embodiment of the present invention;
Figure 20 is the handling process schematic diagram of access device in restarting protection of the described system of another embodiment of the present invention;
Figure 21 is the handling process schematic diagram of client in restarting protection of the described system of another embodiment of the present invention;
Figure 22 is the steps flow chart schematic diagram of the described method of another embodiment of the present invention;
Figure 23 is another steps flow chart schematic diagram of the described method of another embodiment of the present invention;
Figure 24 is the another steps flow chart schematic diagram of the described method of another embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Access device is connected between the client and service end of OCS (Online Charging System) by inciting somebody to action independently in the present invention.This access device can be to using that layer conversation is controlled and the link between itself and the service end being safeguarded.This client (business control nodes) can be controlled and the link between itself and the access device is safeguarded service logic.
Can adopt the self-defined message interface to be connected communication between above-mentioned client and the access device; Can adopt Diameter Extended Protocol interface to be connected communication between the service end of this access device and OCS.
Set up physical connection earlier between above-mentioned access device and the above-mentioned service end, carrying out capabilities exchange (Capabilities-Exchange, CE) after, carry out the application layer link establishment again, after link is stable, notify above-mentioned client to send CC (Credit Control) message, avoid the unripe call drop that causes of link.
Above-mentioned access device can dynamically be adjusted the distribution policy of message according to above-mentioned service end (a plurality of service end) loading condition in the process of handling CC message, avoid service end to cross busy and cause message congestion.
Above-mentioned access device also can pass through Device-Watchdog message detection link, and client is notified in the discovery chain rupture immediately, and it is unreachable to avoid message to send.
Above-mentioned access device also can detect reply overtime after, message is retransmitted, avoid call drop.
Above-mentioned access device can be after receiving the DP of OCS (Disconnect-Peer) request, and according to the reason of DP, the strategy that notice client correction message sends is avoided because service end is crossed busy or restarted and cause call loss.
Above-mentioned access device is by to the session managements such as load balancing management of session, and its link with service end is carried out link managements such as contingency management, link configuration and detection, the reduction call drop.
With reference to Fig. 1, the present invention proposes the device 30 of a kind of online charging reduction call loss of an embodiment, is connected communication with the client 20 and the service end 40 of online charging respectively, and this device 30 comprises:
Reduce call loss module 32, receive the information that this intercommunication module 31 transmits, wherein conversation message is identified with differentiating sessions the guild's words management of going forward side by side;
Communicating by letter between above-mentioned intercommunication module 31 and the above-mentioned client 20 can be carried out according to custom protocol, and this custom protocol can be formulated according to concrete needs.
Above-mentioned reduction call loss module 32 can communicate with above-mentioned client 20 by above-mentioned intercommunication module 31, receives the information that this client 20 transmits.This reduction call loss module 32 can identify and manage conversation message, produces session identification.Above-mentioned information can comprise conversation message, event information, heartbeat message, upgrading message and chain rupture message etc.Above-mentioned session management can comprise load balancing etc., the service logic management is separated with session management carry out, to reduce call loss.
Said external communication module 33 can connect above-mentioned reduction call loss module 32 and service end 40, makes both can carry out information interaction.Between this external communication module 33 and this service end 40, can communicate by Diameter.
With reference to Fig. 2, in an execution mode of present embodiment, above-mentioned reduction call loss module 32 comprises session identification unit 321 and Load Balance Unit 322.This session identification unit 321 can identify to produce session identification, differentiating sessions conversation message; This Load Balance Unit 322 can detect the business load situation of this service end 40, and carry out session according to this business load situation and distribute; This business load situation can comprise service traffics, response time and/or expired times.
The conversation message of the 321 pairs of receptions in above-mentioned session identification unit identifies, and produces session identification, guarantees the integrality and the uniqueness of session.
Above-mentioned Load Balance Unit 322 can detect the business load situation of its service end that connects 40, according to business load situation assign sessions.So can give the light service end 40 of business load with the new session priority allocation.Above-mentioned service traffics can be that online charging reduces the device 30 of call loss and the communication flows of service end 40; This response time can be the response time to conversation request; These expired times can be to the expired times of conversation request response etc.The service end 40 that this business load is light, can be itself and online charging reduce device 30 communication flowss of call loss few, to the conversation request response time the short and/or service end 40 few to conversation request response timeout number of times.This Load Balance Unit 322 can be sent to the best service end of loading condition 40 with the service groups package informatin in the session and handle by detection and the selection to service end 40, can guarantee quality of the conversation, reduces the percent of call lost.For guaranteeing the integrality of above-mentioned session, the service groups package informatin of same session mails to same service end 40 only to be handled.
Above-mentioned selection to service end 40 also can be decided by client 20.This client 20 can be selected service end 40 by the load balancing by concrete professional decision.Can carry out Business Processing according to telephone number type selecting service end 40 such as client 20.
With reference to Fig. 3 and Fig. 4, above-mentioned reduction call loss module 32 also comprises link management submodule 325, and link is detected management, and is unimpeded with the maintenance link by the maintenance to link.Wherein, described link management submodule 325 comprises emergent flow process unit 323 and/or dynamic link unit 324; Emergent flow process unit 323 can be checked and handles link, carry out in the session transmissions overtime repeating transmission, meet busy notice and/or masterslave switchover.
Above-mentioned emergent flow process unit 323 can carry out the emergent flow process of Diameter regulation.Above-mentioned overtime repeating transmission can be the expansion of retransmitting mode on Diameter, comprises repeating transmission modes such as original link repeating transmission and the repeating transmission of congenerous link, realizes the integrality of session; Should can notify above-mentioned client 20 in emergent flow process unit 323, and make the time-out time of 20 pairs of sessions of this client do suitable adjustment, prevent the service groups package informatin that abandons session because of overtime.Above-mentioned notice to client 20 (inside story) can be undertaken by sending CER (Capabilities-Exchange-Request, ability interaction message) message.
The busy notice of above-mentioned chance be when the return results of service end 40 when busy, can carry out OCS and replace, and when notifying end, refund automatically when busy.
Above-mentioned masterslave switchover is that the service end 40 with same function is divided into one group, each other can be active and standby each other.
Communicating by letter between above-mentioned emergent flow process unit 323 and the service end 40, after can being DWR/DWA (Device-Watchdog-Request/Device-Watchdog-Answer) flow process of when link establishment, carrying out repeatedly, just allow to send application layer messages, prevent that nonsynchronous phenomenon from appearring in link and concrete operation flow, reduces the percent of call lost.This repeatedly can be about 3 times.
Above-mentioned dynamic link unit 324 is revised configuration and is upgraded link, allows to carry out the replacing of dynamic client 20 or service end 40.
Above-mentioned dynamic link unit 324 can be configured modification after the increase and decrease of carrying out dynamic link.This configuration modification comprises the configuration modification of relevant information and Diameter relevant information.After above-mentioned modification is finished, can carry out the renewal of link, send message to client 20 and service end 40 then, notify both to recover communication.This message that sends to client 20 can be the accurate message of sending out; This message that sends to service end 40 can be CER message.
With reference to Fig. 5, in another execution mode of present embodiment, the device 30 that above-mentioned online charging reduces call loss also comprises upgrading protection module 34, is used for said apparatus 30 information protection during upgrading; The reception of refusal new session before upgrading, and after the message of finishing dealing with, carry out the upgrading of said apparatus 30.
With reference to Fig. 6, above-mentioned upgrading protection module 34 comprises message sending unit 341, session detecting unit 342, chain rupture transmitting element 343 and starting and upgrading unit 344.This message sending unit 341 sends upgrading message to above-mentioned client 20, the rejection new session; Whether this session detecting unit 342 detects session and finishes dealing with, and sends the message of finishing dealing with; This chain rupture transmitting element 343 receives the above-mentioned message of finishing dealing with, and sends chain rupture message to above-mentioned client 20 and service end 40; This starting and upgrading unit 344 receives the feedback message of above-mentioned client 20 and service end, closes said apparatus 30, upgrades.
Above-mentioned message sending unit 341 sends upgrading message to above-mentioned client 20, notify this client 20 its will reject new session; This client 20 will be sought other network element (online charging reduces the device 30 of call loss) by heartbeat detection and communicate.Whether the session in above-mentioned session detecting unit 342 checkout gears 30 finishes dealing with; Do not finish if handle, can proceed to handle; If finish dealing with, above-mentioned chain rupture transmitting element 343 will send chain rupture message, and (DPR Disconnect-Peer-Request) to client 20 and service end 40, upgrades.Above-mentioned client 20 is untreated when finishing in the session of need update device 30, continues to send the session of being untreated and finishing to this device 30, up to the chain rupture message that receives these device 30 transmissions; Simultaneously, this client 20 can be sent to new session the network element of other searching.Above-mentioned starting and upgrading unit 344 receive 20 pairs of above-mentioned clients and 40 pairs of DPR message of service end feedback message (DPA, Disconnect-Peer-Answer) after, close said apparatus 30 and upgrade, prevent the information dropout in the escalation process.After upgrading was finished, above-mentioned message sending unit 341 can send the upgrading end to above-mentioned client 20, restarts communication.
With reference to Fig. 5; in another execution mode of present embodiment; the device 30 that above-mentioned online charging reduces call loss also comprises service end protection module 35; be used for the information protection that described service end 40 is restarted; whether have standby service end 40 carry out switching services, can control the reception of new session before restarting if detecting.
With reference to Fig. 7, above-mentioned service end protection module 35 can comprise reception and detecting unit 351, second transmitting element 352, second detecting unit 353 and link establishment unit 354; This receives and detecting unit 351, receives the chain rupture message (DPR) that service end 40 sends, and detects whether standby service end 40 is arranged; This second transmitting element 352 will send service end 40 and restart message to above-mentioned client 20, the rejection new session; Whether this second detecting unit 353 detects session and finishes dealing with, and sends the message of finishing dealing with; This link establishment unit 354 receives service end 40 link setup message, rebulids with service end 40 to link, and sends the message of recovering new session to client 20.
Above-mentioned reception and detecting unit 351 receive the chain rupture message (DPR) that service end 40 sends, and detect whether standby service end 40 is arranged; When standby service end 40 was arranged, said apparatus 30 can directly be switched business to standby service end 40; When not having standby service end 40, above-mentioned second transmitting element 352 will send service end 40 and restart message to above-mentioned client 20, the rejection new session; Second detecting unit 353, whether the session in the checkout gear 30 finishes dealing with, and sends the message of finishing dealing with; Finish if be untreated, then continue to detect by above-mentioned reception and detecting unit 351 whether standby service end 40 is arranged; If finish dealing with, then this second detecting unit 353 will send DPA message to service end 40, and this service end 40 restarts after receiving DPA message, prevents the information dropout in the restarting process.This service end 40 restart finish after, will install 30 to this and send the link setup message.
After above-mentioned link establishment unit 354 receives above-mentioned link setup message, will send CER message to this service end 40, this service end 40 will be returned CEA (Capabilities-Exchange-Answer) message; Then, this link establishment unit 354 sends DWR message to service end 40 again, and this service end 40 is returned DWA message; After continuing three DWR/DWA processes, set up link.Be that this link establishment unit 354 will send the message of recovery new session to this client 20, recover the processing of new session again.
With reference to Fig. 8, the present invention proposes the method for a kind of online charging reduction call loss of another embodiment, be applied to comprise the client of carrying out service logic management, carry out the access device of session management and carry out in the Online Charging System of service end of accounting management that described method comprises:
Step S21, described access device receive the information that client sends;
Step S22, the conversation message in the described information is identified with differentiating sessions the guild's words management of going forward side by side;
Step S23, the conversation message after will identifying and manage are sent to service end.
As described in above-mentioned step S21, this client can load and control service logic, and business information is packaged and identifies; This client can load one or more at least service logics, control practical business flow process, finish deduct fees, business function such as authentication; And issue above-mentioned access device after each service logic information group bag, sign (for identification code of each traffic assignments) distinguished.And this client also can be managed the link between itself and the access device; This client can self-defined intercommunication mechanism, filters non-loaded with traffic, encrypt concrete business information (giving the information distribution password) and detection link activity state (employing heartbeat detection).
As described in above-mentioned step S22, above-mentioned access device can identify and manage conversation message, produces session identification.Above-mentioned information can comprise conversation message etc.Above-mentioned session management can comprise load balancing etc., the service logic management is separated with session management carry out, to reduce call loss.
Above-mentioned load balancing is meant that above-mentioned access device can be by detecting the business load situation of its service end that connects (a plurality of service end), according to business load situation assign sessions to the respective service end.So can give the light service end of business load with new session message priority allocation.The service end that this business load is light can be that itself and access device communication flows are few, short and/or to the few service end of conversation request response timeout number of times to the conversation request response time.This access device can be sent to the best service end of loading condition with the service groups package informatin in the session and handle by detection and the selection to service end, can guarantee quality of the conversation, reduces the percent of call lost.For guaranteeing the integrality of above-mentioned session, the service groups package informatin of same session mails to same service end only to be handled.
As described in above-mentioned step S23, described access device will send to service end through the session after the load balance process, the processing of chargeing.
With reference to Fig. 9, in an execution mode of present embodiment, comprise before the described step S23:
Step S24, link is detected and maintenance management.
As described in above-mentioned step S24, above-mentioned access device can also detect the link of access device and service end and maintenance management; Described detection and maintenance management to link comprises contingency management, link configuration and detection etc., reduces call drop.
Contingency management is meant that above-mentioned access device can check and handle the link of itself and service end, carry out in the session transmissions overtime repeating transmission, meet busy notice and/or masterslave switchover.
This access device can carry out the emergent flow process of Diameter regulation.Above-mentioned overtime repeating transmission can be the expansion of retransmitting mode on Diameter, comprises repeating transmission modes such as original link repeating transmission and the repeating transmission of congenerous link, realizes the integrality of session; This access device can be notified above-mentioned client, makes this client do suitable adjustment to the time-out time of session, prevents the service groups package informatin that abandons session because of overtime.Above-mentioned notice to client can be undertaken by sending CER message.The busy notice of above-mentioned chance be when the return results of service end when busy, can carry out OCS and replace, and when notifying end, refund automatically when busy.Above-mentioned masterslave switchover is that the service end with same function is divided into one group, each other can be active and standby each other.
Communicating by letter between above-mentioned access device and the service end, can be the DWR/DWA flow process of when link establishment, carrying out repeatedly after, just allow to send application layer messages, prevent that nonsynchronous phenomenon from appearring in link and concrete operation flow, reduces the percent of call lost.This repeatedly can be about 3 times.
Above-mentioned link configuration and detection are meant that above-mentioned access device can revise configuration and upgrade link, allow to carry out the replacing of dynamic client or service end.This access device can be configured modification after the increase and decrease of carrying out dynamic link.This configuration modification comprises the configuration modification of relevant information and Diameter relevant information.After above-mentioned modification is finished, can carry out the renewal of link, send message to client and service end then, notify both to recover communication.This message that sends to client can be the accurate message of sending out; This message that sends to service end can be CER message.
With reference to Figure 10, the present invention proposes the system of a kind of online charging reduction call loss of another embodiment, and client 20 and service end 40 that it comprises online charging also comprise the access device 50 that carries out session control; Above-mentioned client 20 is carried out control and management to service logic; Above-mentioned access device 50 is connected communication, interactive information with above-mentioned client 20 and service end 40 respectively; Receive the information that this client 20 transmits, wherein conversation message is identified with differentiating sessions the guild's words management of going forward side by side; Above-mentioned service end receives described conversation message and carries out accounting management.
But above-mentioned access device 50 handle link maintenances, session control and interface conversion etc.The client 20 and the access device 50 of online charging can use self-defining inside story interface, partable on the physical connection.Above-mentioned client 20 can be any access service end 40 that needs and carries out the business control client 20 that online charging is handled.Above-mentioned access device 50 and service end 40 all can be provided with a plurality of, and the quantity of above-mentioned client 20 can be decided according to the maximum load of this access device 50 and service end 40.
Above-mentioned access device 50 can be safeguarded separate management to service logic control and session, by equipment redundancy, dynamic load feedback, overtime repeating transmission, link is unusual and meet mechanism such as busy notice and protect service message safety.
With reference to Figure 11, in an execution mode of present embodiment, above-mentioned client 20 can comprise service logic control module 21 and first communication module 22; This service logic control module 21 loads and the control service logic, and business information is packaged and identifies; This first communication module 22 is connected communication with above-mentioned service logic control module 21 and access device 50 respectively, carries out information interaction.
Above-mentioned service logic control module 21 is used for loading one or more at least service logics, may command practical business flow process, finish deduct fees, business function such as authentication; And issue first communication module 22 after each service logic information group bag, sign (for identification code of each traffic assignments) distinguished.
But the link between above-mentioned first communication module 22 administrative clients 20 and the access device 50; When a plurality of access device 50 is arranged, can realize the redundancy of multiple access equipment 50, and with access device 50 between communicate by letter.Can self-defined intercommunication mechanism in this first communication module 22, filter non-loaded with traffic, encrypt concrete business information (giving the information distribution password) and detection link activity state (employing heartbeat detection).
Above-mentioned access device 50 comprises intercommunication module 51, reduces call loss module 52 and external communication module 53; This intercommunication module 51 is connected communication with the first communication module 22 of above-mentioned client 20, carries out information interaction; This reduces call loss module 52, receives the information that above-mentioned intercommunication module 51 transmits, and wherein conversation message is identified to produce session identification the guild's words management of going forward side by side; This external communication module 53 is connected communication with above-mentioned reduction call loss module 52 and service end 40 respectively, carries out information interaction.
With reference to Figure 12 and 13, above-mentioned reduction call loss module 52 comprises session identification unit 521, Load Balance Unit 522, link management submodule 525; This session identification unit 521 identifies generation session identification, differentiating sessions to conversation message; This Load Balance Unit 522 detects the business load situation of above-mentioned service end 40, and carries out session according to this business load situation and distribute; Above-mentioned business load situation comprises service traffics, response time and/or expired times; This link management submodule 525 comprises emergent flow process unit 523 and/or dynamic link unit 524, and this emergent flow process unit 523 is checked and handled link, carry out in the session transmissions overtime repeating transmission, meet busy notice and/or masterslave switchover; This dynamic link unit 524 is revised configuration and is upgraded link, allows to carry out the replacing of dynamic client 20 or service end 40.
In another execution mode of present embodiment, above-mentioned access device 50 also comprises upgrading protection module 54 with reference to Figure 14, is used for above-mentioned access device 50 information protection during upgrading; The reception of refusal new session before upgrading, and after the message of finishing dealing with, carry out the upgrading of above-mentioned access device 50.This upgrading protection module 54 comprises message sending unit 541, session detecting unit 542, chain rupture transmitting element 543 and starting and upgrading unit 544.(with reference to Figure 15)
In escalation process, the handling process of above-mentioned access device 50 is (with reference to Figure 16):
Steps A, send upgrading message to client 20;
Earlier send upgrading message to above-mentioned client 20 by above-mentioned message sending unit 541, notify this client 20 its will reject new session.
Whether step B, detection have the session of being untreated;
Whether the session in 542 pairs of above-mentioned access devices 50 of above-mentioned session detecting unit finishes dealing with; Do not finish if handle, carry out step B1; Otherwise, carry out step B2.
Step B1, above-mentioned access device 50 can be proceeded session and handle, and finish dealing with until session;
Step B2, transmission DPR message are upgraded to client 20 and service end 40;
Send DPR message to client 20 and service end by above-mentioned chain rupture transmitting element 543,, start upgrading by above-mentioned starting and upgrading unit 544 with this client 20 and service end break link.
Step C, transmission upgrading end are to client 20;
Send the upgrading end to client 20 by above-mentioned message sending unit 541, notify the upgrading of its access device 50 to finish.
In escalation process, the handling process of above-mentioned client 20 is (with reference to Figure 17):
The upgrading message that step D, the above-mentioned access device 50 of reception send is utilized the access device 50 that heartbeat detection is sought heartbeat in addition;
Step e, judge the session that receives whether be new session, in this way, carry out step e 1; Otherwise, carry out step e 2;
Step e 2, session is sent to the access device 50 that needs upgrading continue to handle;
Step F, judge whether to receive the DPR message that above-mentioned access device 50 sends; Carry out step F 1 in this way, otherwise carry out step F 2;
The link of the access device 50 of step F 1, disconnection and need upgrading returns DPA message, carries out step F 11;
Step F 11, the access device 50 that session is sent to searching is handled;
Step F 2, judge whether to receive the upgrading end, in this way, carry out step G; Otherwise return step F 11;
Step G, return feedback message, refund the access device 50 that upgrading finishes and communicate.
With reference to Figure 14; in another execution mode of present embodiment, above-mentioned access device 50 also comprises service end protection module 55, is used for the information protection that described service end 40 is restarted; whether have standby service end 40 carry out switching services, can control the reception of new session before restarting if detecting.This service end protection module 55 can comprise reception and detecting unit 551, second transmitting element 552, second detecting unit 553 and link establishment unit 554.(with reference to Figure 18)
In the process that service end 40 is restarted, the handling process of above-mentioned service end 40 is (with reference to Figure 19):
Step a, when restarting, send the DPR message to access device 50; The reason of this DPR message (Casue) can be written as Rebooting;
Step b, receive the DPA message that access device 50 sends, restart;
The CER message that step c, reception access device 50 send sends CEA message to this access device 50;
3 DWR message that steps d, reception access device 50 send send 3 DWA message to this access device 50, set up with this access device 50 to link.
In the process that service end 40 is restarted, the handling process of above-mentioned access device 50 is (with reference to Figure 20):
Step e, this access device 50 receive the DPR message that above-mentioned service end 40 sends;
Receive the DPR message that above-mentioned service end 40 sends by above-mentioned reception and detecting unit 551.
Step f, judge whether standby service end 40; In this way, carry out step f1; Otherwise, carry out step f2;
Above-mentioned reception and detecting unit 551 detect this access device 50 and whether are connected with standby service end 40 after receiving this DPR message.
Step f1, send service ends to client 20 and restart message, the rejection new session;
Send service end by above-mentioned second transmitting element 552 and restart message, notice client 20 rejection new sessions to client 20.
Step f2, switch to standby service end 40 and handle;
Whether step g, detection have session to be untreated; In this way, return step f; Otherwise, carry out step g 1;
Detect in this access device 50 whether also have untreated session by above-mentioned second detecting unit 553.
Step h, this access device 50 send CER message to service end 40, finish and will carry out step c if service end 40 is restarted, and this access device 50 can receive the CEA message that service end 40 is returned;
This access device 50 sends CER message by above-mentioned link establishment unit 554 to service end 40, confirms communication capacity.
Step I, this access device 50 send 3 DWR message to service end 40, and receive 3 DWA message that service end 40 is returned, and set up with service end 40 to link; And send recovery message to client 20, recover to receive new session.
This access device 50 is set up with service end 40 by above-mentioned link establishment unit 554 and is linked, and notice client 20 is recovered the new session reception.
In the process that service end 40 is restarted, the handling process of above-mentioned client 20 is (with reference to Figure 21):
The service end that step j, reception access device 50 send is restarted message, the rejection new session;
Session is not finished in step k, processing;
The recovery message that step l, reception access device 50 send recovers to receive new session.
With reference to Figure 22, the present invention proposes the method for a kind of online charging reduction call loss of another embodiment, be applied to comprise the client of carrying out service logic management, carry out the access device of session management and carry out in the Online Charging System of service end of accounting management that said method comprises:
Step S10, service logic is controlled by above-mentioned client;
Step S11, the conversation message in the described client transmission information is identified with differentiating sessions the guild's words management of going forward side by side by above-mentioned access device.
As described in above-mentioned step S10, this client can load and control service logic, and business information is packaged and identifies; This client can load one or more at least service logics, control practical business flow process, finish deduct fees, business function such as authentication; And issue above-mentioned access device after each service logic information group bag, sign (for identification code of each traffic assignments) distinguished.And this client also can be managed the link between itself and the access device; This client can self-defined intercommunication mechanism, filters non-loaded with traffic, encrypt concrete business information (giving the information distribution password) and detection link activity state (employing heartbeat detection).
As described in above-mentioned step S11, above-mentioned access device can identify and manage conversation message, produces session identification.Above-mentioned information can comprise conversation message etc.Above-mentioned session management can comprise load balancing etc., the service logic management is separated with session management carry out, to reduce call loss.
Above-mentioned access device can also detect the link of access device and service end and maintenance management; Described detection and maintenance management to link comprises contingency management, link configuration and detection etc.
Above-mentioned load balancing is meant that above-mentioned access device can be by detecting the business load situation of its service end that connects (a plurality of service end), according to business load situation assign sessions to the respective service end.So can give the light service end of business load with new session message priority allocation.The service end that this business load is light can be that itself and access device communication flows are few, short and/or to the few service end of conversation request response timeout number of times to the conversation request response time.This access device can be sent to the best service end of loading condition with the service groups package informatin in the session and handle by detection and the selection to service end, can guarantee quality of the conversation, reduces the percent of call lost.For guaranteeing the integrality of above-mentioned session, the service groups package informatin of same session mails to same service end only to be handled.
Above-mentioned access device can also detect the link of access device and service end and maintenance management; Described detection and maintenance management to link comprises contingency management, link configuration and detection etc., can reduce call drop.
Contingency management is meant that above-mentioned access device can check and handle the link of itself and service end, carry out in the session transmissions overtime repeating transmission, meet busy notice and/or masterslave switchover.
This access device can carry out the emergent flow process of Diameter regulation.Above-mentioned overtime repeating transmission can be the expansion of retransmitting mode on Diameter, comprises repeating transmission modes such as original link repeating transmission and the repeating transmission of congenerous link, realizes the integrality of session; This access device can be notified above-mentioned client, makes this client do suitable adjustment to the time-out time of session, prevents the service groups package informatin that abandons session because of overtime.Above-mentioned notice to client can be undertaken by sending CER message.The busy notice of above-mentioned chance be when the return results of service end when busy, can carry out OCS and replace, and when notifying end, refund automatically when busy.Above-mentioned masterslave switchover is that the service end with same function is divided into one group, each other can be active and standby each other.
Communicating by letter between above-mentioned access device and the service end, can be the DWR/DWA flow process of when link establishment, carrying out repeatedly after, just allow to send application layer messages, prevent that nonsynchronous phenomenon from appearring in link and concrete operation flow, reduces the percent of call lost.This repeatedly can be about 3 times.
Above-mentioned link configuration and detection are meant that above-mentioned access device can revise configuration and upgrade link, allow to carry out the replacing of dynamic client or service end.This access device can be configured modification after the increase and decrease of carrying out dynamic link.This configuration modification comprises the configuration modification of relevant information and Diameter relevant information.After above-mentioned modification is finished, can carry out the renewal of link, send message to client and service end then, notify both to recover communication.This message that sends to client can be the accurate message of sending out; This message that sends to service end can be CER message.
With reference to Figure 23, can comprise behind the above-mentioned steps S10:
Step 100, the heartbeat detection by above-mentioned client are to carrying out choosing of access device.
As described in above-mentioned step S100, when a plurality of access device is arranged, can realize redundancy to multiple access equipment, utilize the heartbeat detection mode that these a plurality of access devices are chosen.
With reference to Figure 24, can comprise behind the above-mentioned steps S11:
Step S110, by the protection of upgrading of above-mentioned access device.
As described in above-mentioned step S110, above-mentioned upgrading protection flow process can be: at first send upgrading message to above-mentioned client by above-mentioned access device, notify this client its will reject new session; This client will be sought other network element (access device) by heartbeat detection and communicate.Then, whether the above-mentioned access device detection session that needs to upgrade finishes dealing with; Do not finish if handle, this access device can be proceeded to handle; If finish dealing with, it will send DPR message to client and service end, upgrade.Above-mentioned client is untreated when finishing in the session of access device, continues to send the session of being untreated and finishing to this access device, up to receiving the chain rupture message that this access device sends; Simultaneously, this client can be sent to new session the network element of other searching.The access device that needs upgrading receive above-mentioned client to and the feedback message (DPA) of service end to DPR message after, close above-mentioned access device and upgrade, prevent the information dropout in the escalation process.At last, after upgrading was finished, the access device that upgrading is finished can send the upgrading end to above-mentioned client, restarts communication.
Also can comprise behind the above-mentioned steps S11:
Step S111, carry out service end by above-mentioned access device and restart protection.
As described in above-mentioned step S111, above-mentioned service end is restarted the protection flow process and be can be: this service end was being restarted forward direction access device transmission chain rupture message before this.Detect whether standby service end is arranged after the chain rupture message that this access device reception service end sends; When standby service end was arranged, this access device can directly be switched business to standby service end; When not having standby service end, this access device will send service end and restart message to above-mentioned client, the rejection new session; And whether this access device can detect its session and finish dealing with, and finishes if be untreated, and continues then to detect whether standby service end is arranged; If finish dealing with, then will send DPA message to service end, this service end restarts after receiving DPA message, prevents the information dropout in the restarting process.This service end restart finish after, will send link setup message to this access device.
After above-mentioned access device receives above-mentioned link setup message, will send CER message to this service end, this service end will be returned CEA message; Then, this access device sends DWR message to service end again, and this service end is returned DWA message; After continuing three DWR/DWA processes, set up link.Be that this access device will send and recover message to this client, recover the processing of new session again.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (18)
1. the device of an online charging reduction call loss is connected communication with the client and the service end of online charging respectively, it is characterized in that described device comprises:
The intercommunication module is connected communication with described client, carries out information interaction;
Reduce the call loss module, receive the information that described intercommunication module transmits, wherein conversation message is identified with differentiating sessions the guild's words management of going forward side by side;
External communication module is connected communication with described reduction call loss module and service end respectively, carries out information interaction.
2. online charging according to claim 1 reduces the device of call loss, it is characterized in that described reduction call loss module comprises:
The session identification unit identifies to produce session identification, differentiating sessions conversation message;
Load Balance Unit detects the business load situation of described service end, and carries out session according to described business load situation and distribute; Described business load situation comprises service traffics, response time and/or expired times.
3. online charging according to claim 1 and 2 reduces the device of call loss, it is characterized in that described reduction call loss module also comprises:
The link management submodule detects management to link, and is unimpeded with the maintenance link by the maintenance to link.
4. online charging according to claim 3 reduces the device of call loss, it is characterized in that, described link management submodule comprises emergent flow process unit and/or dynamic link unit;
Described emergent flow process unit is checked and is handled link, carry out in the session transmissions overtime repeating transmission, meet busy notice and/or masterslave switchover;
Described dynamic link unit is revised configuration and is upgraded link, allows to carry out the replacing of dynamic client or service end.
5. online charging according to claim 4 reduces the device of call loss, it is characterized in that described configuration comprises:
The configuration of relevant information and Diameter relevant information.
6. online charging according to claim 1 and 2 reduces the device of call loss, it is characterized in that described device also comprises:
The upgrading protection module is used for the information protection during upgrading of described device; The reception of refusal new session before upgrading, and after the message of finishing dealing with, carry out the upgrading of described device.
7. online charging according to claim 6 reduces the device of call loss, it is characterized in that described upgrading protection module comprises:
Message sending unit sends upgrading message to described client, the rejection new session;
Whether the session detecting unit detects session and finishes dealing with, and sends the message of finishing dealing with;
The chain rupture transmitting element receives the described message of finishing dealing with, and sends chain rupture message to described client and service end;
The starting and upgrading unit receives the feedback message of described client and service end, closes described device, upgrades.
8. online charging according to claim 1 and 2 reduces the device of call loss, it is characterized in that described device also comprises:
The service end protection module is used for the information protection that described service end is restarted, and whether detect has standby service end to carry out switching services, the reception of control new session before restarting.
9. online charging according to claim 8 reduces the device of call loss, it is characterized in that described service end protection module comprises:
Receive and detecting unit, receive the chain rupture message that service end sends, and whether detection there is standby service end to carry out switching services;
Second transmitting element will send service end and restart message to above-mentioned client, the rejection new session;
Whether second detecting unit detects session and finishes dealing with, and sends the message of finishing dealing with;
The link establishment unit receives service end link setup message, rebulids with service end to link, and sends the message of recovering new session to client.
10. an online charging reduces the method for call loss, it is characterized in that, is applied to comprise the client of carrying out the service logic management, carries out the access device of session management and carry out in the Online Charging System of service end of accounting management, and described method comprises step:
Described access device receives the information that client sends;
Conversation message in the described information is identified with differentiating sessions the guild's words management of going forward side by side;
Conversation message after sign and the management is sent to service end.
11. online charging according to claim 10 reduces the method for call loss, it is characterized in that, described conversation message after will identifying and manage is sent to and comprises step before the step of service end:
Link is detected and maintenance management.
12. an online charging reduces the system of call loss, client and service end that it comprises online charging is characterized in that, also comprise the access device that carries out session control;
Described client is carried out control and management to service logic;
Described access device is connected communication, interactive information with described client and service end respectively; Receive the information that described client transmits, wherein conversation message is identified with differentiating sessions the guild's words management of going forward side by side;
Described service end receives described conversation message and carries out accounting management.
13. online charging according to claim 12 reduces the system of call loss, it is characterized in that described client comprises:
The service logic control module loads and the control service logic, and business information is packaged and identifies;
First communication module is connected communication with described service logic control module and access device respectively, carries out information interaction.
14. the system according to claim 12 or 13 described online chargings reduction call losses is characterized in that described access device comprises:
The intercommunication module is connected communication with described client, carries out information interaction;
Reduce the call loss module, receive the information that described intercommunication module transmits, wherein conversation message is identified with differentiating sessions the guild's words management of going forward side by side;
External communication module is connected communication with described reduction call loss module and service end respectively, carries out information interaction.
15. online charging according to claim 14 reduces the system of call loss, it is characterized in that described reduction call loss module comprises:
The session identification unit identifies to produce session identification, differentiating sessions conversation message;
Load Balance Unit detects the business load situation of described service end, and carries out session according to described business load situation and distribute; Described business load situation comprises service traffics, response time and/or expired times.
16. online charging according to claim 14 reduces the system of call loss, it is characterized in that described reduction call loss module comprises the link management submodule, and link is detected and manages, and is unimpeded with the maintenance link by the maintenance to link; Described link management submodule comprises emergent flow process unit and/or dynamic link unit;
Described emergent flow process unit is checked and is handled link, carry out in the session transmissions overtime repeating transmission, meet busy notice and/or masterslave switchover;
Described dynamic link unit is revised configuration and is upgraded link, allows to carry out the replacing of dynamic client or service end.
17. an online charging reduces the method for call loss, it is characterized in that, is applied to comprise the client of carrying out the service logic management, carries out the access device of session management and carry out in the Online Charging System of service end of accounting management, described method comprises step:
By described client service logic is controlled;
The conversation message in the described client transmission information is identified with differentiating sessions the guild's words management of going forward side by side by described access device.
18. online charging according to claim 14 reduces the method for call loss, it is characterized in that, comprises step after the described step of service logic being controlled by described client:
Heartbeat detection by described client is to carrying out choosing of access device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101902613A CN101697517B (en) | 2009-09-24 | 2009-09-24 | Device, system and method for reducing call loss in on-line billing |
| PCT/CN2009/074881 WO2010145117A1 (en) | 2009-09-24 | 2009-11-10 | Apparatus, system and method for reducing call loss of online charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101902613A CN101697517B (en) | 2009-09-24 | 2009-09-24 | Device, system and method for reducing call loss in on-line billing |
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| Publication Number | Publication Date |
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| CN101697517A true CN101697517A (en) | 2010-04-21 |
| CN101697517B CN101697517B (en) | 2012-06-06 |
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| CN2009101902613A Expired - Fee Related CN101697517B (en) | 2009-09-24 | 2009-09-24 | Device, system and method for reducing call loss in on-line billing |
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| WO (1) | WO2010145117A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375064A (en) * | 2016-08-31 | 2017-02-01 | 福建联迪商用设备有限公司 | Password keyboard USB communication anomaly recovery method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1119887C (en) * | 1999-04-07 | 2003-08-27 | 华为技术有限公司 | Automatic distribution method of session mark for network equipment |
| CN1309233C (en) * | 2004-07-20 | 2007-04-04 | 华为技术有限公司 | Method for supporting PPPoA on wideband switch-in equipment |
| KR20080078430A (en) * | 2007-02-23 | 2008-08-27 | 엘지노텔 주식회사 | Radius client and method of managing transmission of subscriber's accounting information |
| CN101207550B (en) * | 2007-03-16 | 2010-09-15 | 中国科学技术大学 | Load balancing system and method for multi business to implement load balancing |
| CN101534244A (en) * | 2009-02-09 | 2009-09-16 | 华为技术有限公司 | Method, device and system for load distribution |
| CN101662390B (en) * | 2009-09-24 | 2012-10-10 | 中兴通讯股份有限公司 | Upgrade protecting method and device thereof |
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2009
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106375064A (en) * | 2016-08-31 | 2017-02-01 | 福建联迪商用设备有限公司 | Password keyboard USB communication anomaly recovery method and system |
| CN106375064B (en) * | 2016-08-31 | 2019-08-02 | 福建联迪商用设备有限公司 | A kind of code keyboard usb communication abnormal restoring method and system |
Also Published As
| Publication number | Publication date |
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| CN101697517B (en) | 2012-06-06 |
| WO2010145117A1 (en) | 2010-12-23 |
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