CN103167462A - Method and device for achieving service continuity in media face renewal process - Google Patents

Method and device for achieving service continuity in media face renewal process Download PDF

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Publication number
CN103167462A
CN103167462A CN2011104063684A CN201110406368A CN103167462A CN 103167462 A CN103167462 A CN 103167462A CN 2011104063684 A CN2011104063684 A CN 2011104063684A CN 201110406368 A CN201110406368 A CN 201110406368A CN 103167462 A CN103167462 A CN 103167462A
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eventually
exhale
port numbers
exhaling
lateral terminal
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CN2011104063684A
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CN103167462B (en
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周晓云
宗在峰
李振东
谢振华
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ZTE Corp
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ZTE Corp
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Priority to CN201110406368.4A priority Critical patent/CN103167462B/en
Priority to PCT/CN2012/085193 priority patent/WO2013083004A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a method and a system for achieving service continuity in a media face renewal process. The method and the system for achieving service continuity in the media face renewal process are used for solving the technical problem that a descending media data is interrupted in the media face renewal process. According to the method and the system for achieving service continuity in the media face renewal process, an end call side gateway can be used for opening port numbers of an end call side terminal before and after the renewal in the media face renewal process. When the renewal process is finished, the end call side gateway can be used for closing the port numbers of the end call side terminal before and after the renewal so that the descending media data is prevented form being interrupted in the media face renewal process. Data transmission efficiency can be improved and user experience can be enhanced.

Description

Realize method and the device of business continuance in a kind of medium surface renewal process
Technical field
The present invention relates to the communications field, relate more specifically to realize in a kind of medium surface renewal process method and the device of business continuance.
Background technology
Access irrelevant based on IP (network interconnection agreement, Internet Protocol, IP) communication network comprises next generation network (Next Generation Network, GN), IP Multimedia System (IP Multimedia Core Network Subsystem, IMS), based on real-time communication net (the Real Time Communication on Web of Web, the network such as RTCWeb), network provides professional ability for the user, comprise the real-time communication business such as speech communication, video communication, belong to the business network category.Access Network comprises the access of circuit CS territory and grouping PS territory access, and CS territory Access Network comprises the networks such as GSM, CDMA, and PS territory access comprises the networks such as LTE, HSPA, EDGE, EVDO.
Business carry out process, because the movement of user equipment (UE) or the renewal of business etc. need to be upgraded medium surface.Communicating pair need to upgrade medium surface by the IMS signaling, in the process of upgrading, may cause ongoing media communication interrupt, affects user's experience.
Fig. 1 existingly carries out in process in business, upgrades the port numbers of medium surface, realizes the flow chart of business continuance, and it is described below:
Step 101, UE-1 send the IMS updating message to Proxy Call Session Control Function P-CSCF1, be SDP (session description protocol, session statement agreement) offer, the port numbers of notifying its medium surface to receive changes to Port12 from port Port11.P-CSCF1 further is transmitted to message Proxy Call Session Control Function P-CSCF2;
Step 102, P-CSCF2 further are transmitted to UE-2 with message;
Step 103, UE-2 return to IMS OK message (be SDP Answer, also claim response message) to P-CSCF2 and notify its port numbers to change to Port22 from Port21;
Step 104, P-CSCF2 provide the business information of renewal to PCRF2, carry the medium surface information of renewal, the port numbers Port12 of renewal, Port22;
Step 105, policy charging rule function PCRF2 exhale side gateway P-GW2 that strategy and the charging control PCC rule of renewal are provided to end, wherein carry stream description information Port12 and the Port22 of renewal in the PCC rule;
Step 106, P-GW2 initiate the bearing modification flow process, and the stream description information after upgrading is notified to UE2;
After this, it is IP Address11 that P-GW2 will not allow purpose IP address, the upstream data of destination slogan Port11, and destination address is IP Address21, the destination slogan is that the downlink data of Port22 passes through.
Step 107, UE2 adopt IP Address21, Port22 to send media information to IP Address11, Port12;
Step 108, P-CSCF2 return to IMS OK message to P-CSCF1, and the port numbers of carrying UE2 changes to the information of Port22 from Port21;
Step 108 and step 104 are carried out simultaneously.
Step 109, P-CSCF2 return to IMS OK message to UE1, carry the new port numbers Port22 of UE2;
Step 110, P-CSCF1 provide the business information of renewal to PCRF1, carry the medium surface information of renewal, the port numbers Port12 of renewal, Port22;
Step 109 and step 110 are carried out simultaneously.
Step 111, PCRF1 wherein carry new stream description information Port12 and Port22 to the PCC rule that P-GW1 provides renewal in the PCC rule;
Step 112, P-GW1 initiate the bearing modification flow process, and the stream description information after upgrading is notified to UE1;
After this, it is IP Address11 that P-GW1 will not allow destination address, the downlink data of destination slogan Port11, and destination address is IP Address21, the destination slogan is that the upstream data of Port21 passes through.
In above-mentioned flow process, when step 105, because P-GW2 has been modified to Port22 to Port12, therefore, the downlink data of Port12 can't arrive UE2 this moment.And UE1 is until step 109 is known the port numbers that UE2 is new, thus step 105 to step 109 in the time interval UE1 send to the data of UE2 to be dropped.Consideration is when cross-domain, and the IMS signaling delay is larger, causes the packet that is dropped more, causes business to occur interrupting, and has affected user's experience.
In other scenes, such as UE1 upgraded the IP address, or UE1 upgraded IP address and port numbers simultaneously, the problem that data service is interrupted all can occur.
Summary of the invention
In view of this, main purpose of the present invention is to provide in a kind of medium surface renewal process and realizes business continuance implementation method and system, is used for solving the descending media data interrupt techniques of medium surface renewal process problem.
For achieving the above object, technical scheme of the present invention is achieved in that
Realize the method for business continuance in a kind of medium surface renewal process, described method comprises:
In the IP address of the medium surface in the IP-based communication network that access has nothing to do and/or the renewal process of port numbers, exhale eventually the side gateway exhale before side completes corresponding bearer update rising, open simultaneously the port numbers before and after the renewal of exhaling eventually lateral terminal, when rise exhale side to complete corresponding bearer update after, the front port numbers of renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal.
Further, exhale eventually the side gateway exhale before side completes corresponding bearer update rising, the step of opening simultaneously the port numbers before and after the renewal of exhaling eventually lateral terminal is specially:
After exhaling eventually the side Proxy Call Session Control Function to receive to exhale the response message of lateral terminal update notifications medium surface port numbers eventually, exhale side policy charging rule function PCRF that the business information of carrying new stream description information is provided to end;
Exhale eventually side policy charging rule function PCRF indication to exhale the side gateway to open new port described end;
To exhale eventually the side gateway to allow simultaneously destination interface be before exhaling eventually lateral terminal to upgrade and the downlink service data stream of the port numbers after upgrading or source port for before exhaling eventually lateral terminal to upgrade and the uplink business data stream of the port numbers after upgrading pass through.
Based on the present invention's one specific embodiment, when rise exhale side to complete corresponding bearer update after, the step of the port numbers that the renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal is front is specially:
After eventually exhaling the side Proxy Call Session Control Function to receive to exhale the confirmation message of side Proxy Call Session Control Function feedback, exhale side policy charging rule function PCRF to send to end and carry the business information that the front port numbers of lateral terminal renewal is exhaled in deletion eventually;
Exhale eventually side policy charging rule function PCRF indication to exhale the side gateway to close the port numbers of exhaling eventually before lateral terminal upgrades described end, exhaling eventually the side gateway only to allow destination interface is to exhale eventually the downlink service data stream of the port numbers after lateral terminal upgrades or source port to pass through for the uplink business data stream of exhaling eventually the port numbers after lateral terminal upgrades.
Based on another specific embodiment of the present invention, when rise exhale side to complete corresponding bearer update after, the step of the port numbers that the renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal is front is specially:
When exhaling eventually the side gateway when exhaling the indication of side PCRF to open new port described end, exhale eventually side gateways and starting one back off timer;
In described back off timer timing, exhale eventually the side gateway allow destination interface for before exhaling eventually lateral terminal to upgrade and the downlink service data stream of the port numbers after upgrading or source port for before exhaling eventually lateral terminal to upgrade and the uplink business data stream of the port numbers after upgrading pass through;
After described back off timer is overtime, exhale eventually the side gateway to close the port numbers of exhaling eventually before lateral terminal upgrades.
Based on another specific embodiment of the present invention, when rise exhale side to complete corresponding bearer update after, the port numbers that the renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal is front step be specially:
Exhale eventually the side gateway to detect and whether receive exhaling the new port numbers of lateral terminal as the business data flow of destination interface eventually, when the business data flow that detects take new port numbers as destination interface, exhale eventually the port numbers before the side gateway is closed the renewal of exhaling eventually lateral terminal.
Based on another specific embodiment of the present invention, when rise exhale side to complete corresponding bearer update after, the step of the port numbers that the renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal is front is specially:
When exhaling side PCRF indication to exhale the side gateway to open new port the described end described end, exhale described end side PCRF to start a back off timer;
After described back off timer is overtime, exhale described end side PCRF indication to exhale the side gateway to close the port numbers of exhaling eventually before lateral terminal upgrades described end.
Further, exhale eventually the method that side policy charging rule function PCRF indication exhales the side gateway to open new port the described end to be specially: to exhale described end side policy charging rule function PCRF exhale the policy, billing of the renewal that the side gateway provides and control the stream description information that the PCC rule comprises new port to described end.
Further, exhaling eventually side policy charging rule function PCRF indication to exhale the side gateway to close the described end exhales the method for the port numbers before lateral terminal upgrades to be specially eventually: exhale described end side policy charging rule function PCRF to exhale the policy, billing of the renewal that the side gateway provides and control the PCC rule to described end and do not comprise the stream description information of upgrading front port.
The present invention also provides the system that realizes business continuance in a kind of medium surface renewal process, IP address and/or the port numbers renewal process of the medium surface of this system applies in the IP-based communication network that access has nothing to do, comprised and exhaled side gateway, policy charging rule function, Proxy Call Session Control Function, and exhaled eventually gateway, policy charging rule function, the Proxy Call Session Control Function of side;
Exhale eventually the side Proxy Call Session Control Function, be used for receive exhale the response message of lateral terminal update notifications medium surface port numbers eventually after, exhale side policy charging rule function PCRF that the business information of carrying new stream description information is provided to end;
Exhale eventually side policy charging rule function, be used to indicate eventually and exhale the side gateway to open new port;
Exhale eventually the side gateway, be used for exhaling before side completes corresponding bearer update rising, to allow simultaneously destination interface be before exhaling eventually lateral terminal to upgrade and the downlink service data stream of the port numbers after upgrading or source port for before exhaling eventually lateral terminal to upgrade and the uplink business data stream of the port numbers after upgrading pass through; And rise exhale side to complete corresponding bearer update after, the front port numbers of renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal.
Based on the present invention's one specific embodiment, exhale eventually the side Proxy Call Session Control Function also to be used for after having received the confirmation message of exhaling side Proxy Call Session Control Function feedback, exhale side policy charging rule function PCRF to send to end and carry the business information that the port numbers before lateral terminal upgrades is exhaled in deletion eventually; Exhale eventually side policy charging rule function also to be used to indicate and exhale described end the side gateway to close the port numbers of exhaling eventually before lateral terminal upgrades;
Exhale eventually the side gateway after closing the port numbers of exhaling eventually before lateral terminal upgrades, only allowing destination interface is to exhale eventually the downlink service data stream of the port numbers after lateral terminal upgrades or source port to pass through for the uplink business data stream of exhaling eventually the port numbers after lateral terminal upgrades.
Based on another specific embodiment of the present invention, exhale eventually the side gateway also to be used for starting a back off timer when exhaling the indication of side PCRF to open new port described end; In described back off timer timing, exhale eventually the side gateway allow destination interface for before exhaling eventually lateral terminal to upgrade and the downlink service data stream of the port numbers after upgrading or source port for before exhaling eventually lateral terminal to upgrade and the uplink business data stream of the port numbers after upgrading pass through; After described back off timer is overtime, exhale eventually the side gateway also to be used for closing the port numbers of exhaling eventually before lateral terminal upgrades.
Based on another specific embodiment of the present invention, exhale eventually the side gateway also for detection of whether receiving to exhale the new port numbers of lateral terminal as the business data flow of destination interface eventually, when the business data flow that detects take new port numbers as destination interface, close the port numbers before the renewal of exhaling eventually lateral terminal.
The present invention is in the medium surface renewal process, exhale eventually the side gateway to open simultaneously port numbers before and after the renewal of exhaling eventually lateral terminal, after renewal process is completed, exhale eventually the port numbers before the side gateway is closed the renewal of exhaling eventually lateral terminal, thereby avoided the interruption of descending media data in the medium surface renewal process, improved data transmission efficiency, promoted user's experience.
Description of drawings
Fig. 1 realizes business continuance realization flow figure in existing medium surface renewal process;
Fig. 2 is the flow chart of the embodiment of the present invention 1;
Fig. 3 is the flow chart of the embodiment of the present invention 2;
Fig. 4 is the flow chart of the embodiment of the present invention 3;
Fig. 5 is the flow chart of the embodiment of the present invention 4;
Fig. 6 is the flow chart of the embodiment of the present invention 5;
Fig. 7 is the flow chart of the embodiment of the present invention 6.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Embodiment 1
Fig. 2 of the present inventionly carries out in process in business, upgrades the port numbers of medium surface, realizes the flow chart of business continuance, and it is described below:
Rise and exhale lateral terminal UE1 and exhale lateral terminal UE2 to communicate eventually, its medium surface address and port numbers are as follows: rise and exhale lateral terminal receiver address Address11, port numbers Port11 exhales lateral terminal receiver address Address21, port numbers Port21 eventually.Certain the time, UE1 determines that change medium surface receiving port number is Port12.
Step 201, P-CSCF receive the IMS updating message, and namely SDP provides (SDP offer) message, rise and exhale lateral terminal UE1 request change medium surface receiving port number, change to Port12 from Port11;
The stream description information that normally, can comprise one or more business data flows in business information.Receiving port number and transmitting terminal slogan are identical.
Step 202, P-CSCF with message forwarding to UE2;
Step 203, UE2 return to IMS OK message to P-CSCF, and the medium surface receiving port number of (be SDPAnswer, also claim response message) notice opposite end UE2 changes to Port22 from Port21;
Step 204, P-CSCF provide business information to PCRF, wherein carry new stream description information, and Port11 changes to Port12, and port21 changes to Port22;
Step 205, PCRF exhale side gateway P-GW to send the PCC rule to end and give information, wherein carry the port Port22 of renewal, upgrade the PCC rule, namely add the receiving port Port22 of UE2 in the stream description information of PCC rule corresponding to this business data flow.
Step 206, P-GW carry out corresponding bearing modification operation according to the PCC rule after upgrading;
After this will to allow simultaneously destination interface be the downlink service data stream of Port21 and Port22 to P-GW, or source port number is that the uplink business data stream of Port21 and Port22 passes through.
Step 207, UE2 adopt IPAddress21, and Port22 is to the Address11 of UE1, and Port12 sends data;
Step 208, P-CSCF forward IMS OK message have been given the Proxy Call Session Control Function of exhaling side, wherein carry the new port numbers Port22 of UE2;
Step 204 and step 208 are synchronous.
Step 209, P-CSCF have received the IMS ACK message (also claiming acknowledge message) of the P-CSCF transmission of exhaling side;
Step 210, P-CSCF are to UE2 forward IMS ACK message;
Step 211, P-CSCF provide business information to PCRF, and notice PCRF deletion UE2 is original receives port Port21;
Step 212, PCRF provide the PCC rule of renewal to PCEF, the i.e. receiving port Port21 of deletion UE2 in the stream description information of PCC rule corresponding to this business data flow, and give information to the PCC rule that P-GW sends the receiving port Port21 information carry deletion UE2;
Step 213, P-GW carry out corresponding bearing modification operation according to the PCC rule after upgrading.
After this, it is the downlink service data stream of Port21 that P-GW will not allow destination interface, or source port number is that the uplink business data stream of Port21 passes through.
Embodiment 2
Fig. 3 of the present inventionly carries out in process in business, upgrades the port numbers of medium surface, realizes the flow chart of business continuance, and it is described below:
Rise and exhale lateral terminal UE1 and exhale lateral terminal UE2 to communicate eventually, its medium surface address and port numbers are as follows: rise and exhale lateral terminal receiver address Address11, port numbers Port11 exhales lateral terminal receiver address Address21, port numbers Port21 eventually.Certain the time, UE1 determines that change medium surface receiving port number is Port12.
Step 301-step 306 is identical with step 201-step 206.
Step 307, P-GW start timer, and the timing length of this back off timer depends on network configuration;
Step 308, UE2 adopt IPAddress2, and Port22 is to the Address1 of UE1, and Port12 sends data;
Step 309, P-CSCF forward IMS OK message
Step 304 and step 309 are synchronous.
The timer that step 310, step 307 start expires, and P-GW deletes the receiving port Port21 of UE2 from the stream description information of PCC rule corresponding to this business data flow;
After this, it is the downlink service data stream of Port21 that P-GW will not allow destination interface, or source port number is that the uplink business data stream of Port21 passes through.
In other embodiments, when PCRF provides the PCC rule in step 305 to P-GW, P-GW starts timer (timing length of this back off timer depends on network configuration), when the timer that starts expires, PCRF provides the PCC rule of renewal to P-GW, the PCC rule of wherein upgrading does not comprise the stream description information of exhaling eventually the port numbers before lateral terminal upgrades, and includes only the stream description information (being that PCRF indication P-GW closes the port numbers of exhaling eventually before lateral terminal upgrades) of exhaling eventually the port numbers after lateral terminal upgrades.P-GW carries out the carrying operation.
Embodiment 3
Fig. 3 of the present inventionly carries out in process in business, upgrades the port numbers of medium surface, realizes the flow chart of business continuance, and it is described below:
Rise and exhale lateral terminal UE1 and exhale lateral terminal UE2 to communicate eventually, its medium surface address and port numbers are as follows: rise and exhale lateral terminal receiver address Address11, port numbers Port11 exhales lateral terminal receiver address Address21, port numbers Port21 eventually.Certain the time, UE1 determines that change medium surface receiving port number is Port12.
Step 401-step 408 is identical with step 201-step 208.
Step 409, P-GW detect the business data flow that the destination slogan is Port22, and P-GW deletes the receiving port Port21 of UE2 from the stream description information of PCC rule corresponding to this business data flow;
After this, it is the downlink service data stream of Port21 that P-GW will not allow destination interface, or source port number is that the uplink business data stream of Port21 passes through.
Embodiment 4
Fig. 5 of the present inventionly carries out in process in business, upgrades the IP address of medium surface, realizes the flow chart of business continuance, and it is described below:
Rise and exhale lateral terminal UE1 and exhale lateral terminal UE2 to communicate eventually, its medium surface address and port numbers are as follows: rise and exhale lateral terminal receiver address Address11, port numbers Port11 exhales lateral terminal receiver address Address21, port numbers Port21 eventually.Certain the time, UE1 determines that the address of change medium surface is Address12, receiving port number is Port12.
Step 501, P-CSCF receive the IMS updating message, i.e. SDP offer, rise exhale lateral terminal UE1 request change medium surface the address from Address11 to Address12, the change receiving port number changes to Port12 from Port11;
Step 502, P-CSCF with message forwarding to UE2;
Step 503, UE2 return to IMS OK message to P-CSCF, and namely SDP Answer, notify the medium surface receiving port number of opposite end UE2 to change to Port22 from Port21;
Step 504, P-CSCF provide business information to PCRF, wherein carry new stream description information, and Address11 changes to Address12, and Port11 changes to Port12, and Port21 changes to Port22;
Step 505-step 511 is identical with step 205-step 211.
Embodiment 5
Fig. 6 of the present inventionly carries out in process in business, upgrades the IP address of medium surface, realizes the flow chart of business continuance, and it is described below:
Rise and exhale lateral terminal UE1 and exhale lateral terminal UE2 to communicate eventually, its medium surface address and port numbers are as follows: rise and exhale lateral terminal receiver address Address11, port numbers Port11 exhales lateral terminal receiver address Address21, port numbers Port21 eventually.Certain the time, UE1 determines that the address of change medium surface is Address12, receiving port number is Port12.
Step 601-step 604 is identical with step 501-step 504;
Step 605-step 610 is identical with step 305-step 310.
In other embodiments, when PCRF provides the PCC rule in step 605 to P-GW, P-GW starts timer (timing length of this back off timer depends on network configuration), when the timer that starts expires, PCRF provides the PCC rule of renewal to P-GW, the PCC rule of wherein upgrading does not comprise the stream description information of exhaling eventually the port numbers before lateral terminal upgrades, and includes only the stream description information (being that PCRF indication P-GW closes the port numbers of exhaling eventually before lateral terminal upgrades) of exhaling eventually the port numbers after lateral terminal upgrades.P-GW carries out the carrying operation.
Embodiment 6
Fig. 7 of the present inventionly carries out in process in business, upgrades the IP address of medium surface, realizes the flow chart of business continuance, and it is described below:
Rise and exhale lateral terminal UE1 and exhale lateral terminal UE2 to communicate eventually, its medium surface address and port numbers are as follows: rise and exhale lateral terminal receiver address Address11, port numbers Port11 exhales lateral terminal receiver address Address21, port numbers Port21 eventually.Certain the time, UE1 determines that the address of change medium surface is Address12, receiving port number is Port12.
Step 701-step 704 is identical with step 501-step 504;
Step 705-step 709 is identical with step 405-step 409.
In above-mentioned all embodiment, exhaling eventually side joint networking system is example with EPS (Evolved Packet System, the grouping system of evolution).Because IMS is irrelevant with access, therefore access net system can be for any grouping system (as GPRS (General Packet Radio System, General Packet Radio System), UMTS (Universal Mobile Telecommunications System, Universal Mobile Telecommunications System).Therefore the P-GW in above-described embodiment, can be also other packet data gateway (as GGSN (GRPS Gateway Supporting Node, GGSN), PDG (Packet Data Gateway, packet data gateway) etc.).
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (12)

1. realize the method for business continuance in a medium surface renewal process, it is characterized in that, described method comprises:
In the IP address of the medium surface in the IP-based communication network that access has nothing to do and/or the renewal process of port numbers, exhale eventually the side gateway exhale before side completes corresponding bearer update rising, open simultaneously the port numbers before and after the renewal of exhaling eventually lateral terminal, when rise exhale side to complete corresponding bearer update after, the front port numbers of renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal.
2. method according to claim 1, is characterized in that, exhales eventually the side gateway exhale before side completes corresponding bearer update rising, and the step of opening simultaneously the port numbers before and after the renewal of exhaling eventually lateral terminal is specially:
After exhaling eventually the side Proxy Call Session Control Function to receive to exhale the response message of lateral terminal update notifications medium surface port numbers eventually, exhale side policy charging rule function PCRF that the business information of carrying new stream description information is provided to end;
Exhale eventually side policy charging rule function PCRF indication to exhale the side gateway to open new port described end;
To exhale eventually the side gateway to allow simultaneously destination interface be before exhaling eventually lateral terminal to upgrade and the downlink service data stream of the port numbers after upgrading or source port for before exhaling eventually lateral terminal to upgrade and the uplink business data stream of the port numbers after upgrading pass through.
3. method according to claim 2, is characterized in that, when rise exhale side to complete corresponding bearer update after, the step of the port numbers that the renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal is front is specially:
After eventually exhaling the side Proxy Call Session Control Function to receive to exhale the confirmation message of side Proxy Call Session Control Function feedback, exhale side policy charging rule function PCRF to send to end and carry the business information that the front port numbers of lateral terminal renewal is exhaled in deletion eventually;
Exhale eventually side policy charging rule function PCRF indication to exhale the side gateway to close the port numbers of exhaling eventually before lateral terminal upgrades described end, exhaling eventually the side gateway only to allow destination interface is to exhale eventually the downlink service data stream of the port numbers after lateral terminal upgrades or source port to pass through for the uplink business data stream of exhaling eventually the port numbers after lateral terminal upgrades.
4. method according to claim 2, is characterized in that, when rise exhale side to complete corresponding bearer update after, the step of the port numbers that the renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal is front is specially:
When exhaling eventually the side gateway when exhaling the indication of side PCRF to open new port described end, exhale eventually side gateways and starting one back off timer;
In described back off timer timing, exhale eventually the side gateway allow destination interface for before exhaling eventually lateral terminal to upgrade and the downlink service data stream of the port numbers after upgrading or source port for before exhaling eventually lateral terminal to upgrade and the uplink business data stream of the port numbers after upgrading pass through;
After described back off timer is overtime, exhale eventually the side gateway to close the port numbers of exhaling eventually before lateral terminal upgrades.
5. method according to claim 2, is characterized in that, when rise exhale side to complete corresponding bearer update after, the port numbers that the renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal is front step be specially:
Exhale eventually the side gateway to detect and whether receive exhaling the new port numbers of lateral terminal as the business data flow of destination interface eventually, when the business data flow that detects take new port numbers as destination interface, exhale eventually the port numbers before the side gateway is closed the renewal of exhaling eventually lateral terminal.
6. method according to claim 2, is characterized in that, when rise exhale side to complete corresponding bearer update after, the step of the port numbers that the renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal is front is specially:
When exhaling side PCRF indication to exhale the side gateway to open new port the described end described end, exhale described end side PCRF to start a back off timer;
After described back off timer is overtime, exhale described end side PCRF indication to exhale the side gateway to close the port numbers of exhaling eventually before lateral terminal upgrades described end.
7. method as claimed in claim 2, it is characterized in that, exhale eventually the method that side policy charging rule function PCRF indication exhales the side gateway to open new port the described end to be specially: exhale described end side policy charging rule function PCRF exhale the policy, billing of the renewal that the side gateway provides and control the stream description information that the PCC rule comprises new port to described end.
8. method as claimed in claim 3, it is characterized in that, exhale eventually side policy charging rule function PCRF indication to exhale the side gateway to close the described end and exhale eventually the method for the port numbers before lateral terminal upgrades to be specially: exhale described end side policy charging rule function PCRF to exhale the policy, billing of the renewal that the side gateway provides and control the PCC rule to described end and do not comprise the stream description information of upgrading front port.
9. realize the system of business continuance in a medium surface renewal process, IP address and/or the port numbers renewal process of the medium surface of this system applies in the IP-based communication network that access has nothing to do, comprised and exhaled side gateway, policy charging rule function, Proxy Call Session Control Function, and whole gateway, policy charging rule function, Proxy Call Session Control Function of exhaling side, it is characterized in that
Exhale eventually the side Proxy Call Session Control Function, be used for receive exhale the response message of lateral terminal update notifications medium surface port numbers eventually after, exhale side policy charging rule function PCRF that the business information of carrying new stream description information is provided to end;
Exhale eventually side policy charging rule function, be used to indicate eventually and exhale the side gateway to open new port;
Exhale eventually the side gateway, be used for exhaling before side completes corresponding bearer update rising, to allow simultaneously destination interface be before exhaling eventually lateral terminal to upgrade and the downlink service data stream of the port numbers after upgrading or source port for before exhaling eventually lateral terminal to upgrade and the uplink business data stream of the port numbers after upgrading pass through; And rise exhale side to complete corresponding bearer update after, the front port numbers of renewal of exhaling eventually the side gateway to close again to exhale eventually lateral terminal.
10. system according to claim 9, is characterized in that,
Exhale eventually the side Proxy Call Session Control Function, also be used for after having received the confirmation message of exhaling side Proxy Call Session Control Function feedback, exhale side policy charging rule function PCRF to send to end and carry the business information that the port numbers before lateral terminal upgrades is exhaled in deletion eventually;
Exhale eventually side policy charging rule function, also be used to indicate and exhale described end the side gateway to close the port numbers of exhaling eventually before lateral terminal upgrades;
Exhale eventually the side gateway after closing the port numbers of exhaling eventually before lateral terminal upgrades, only allowing destination interface is to exhale eventually the downlink service data stream of the port numbers after lateral terminal upgrades or source port to pass through for the uplink business data stream of exhaling eventually the port numbers after lateral terminal upgrades.
11. system according to claim 9 is characterized in that,
Exhale eventually the side gateway, also be used for starting a back off timer when exhaling the indication of side PCRF to open new port described end; In described back off timer timing, exhale eventually the side gateway allow destination interface for before exhaling eventually lateral terminal to upgrade and the downlink service data stream of the port numbers after upgrading or source port for before exhaling eventually lateral terminal to upgrade and the uplink business data stream of the port numbers after upgrading pass through; After described back off timer is overtime, exhale eventually the side gateway also to be used for closing the port numbers of exhaling eventually before lateral terminal upgrades.
12. system according to claim 9 is characterized in that,
Exhale eventually the side gateway, also for detection of whether receiving to exhale the new port numbers of lateral terminal as the business data flow of destination interface eventually, when the business data flow that detects take new port numbers as destination interface, close the port numbers before the renewal of exhaling eventually lateral terminal.
CN201110406368.4A 2011-12-08 2011-12-08 The method and device of business continuance is realized in a kind of medium surface renewal process Expired - Fee Related CN103167462B (en)

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