CN103139148B - The method and system of business continuance are realized in a kind of medium surface renewal process - Google Patents
The method and system of business continuance are realized in a kind of medium surface renewal process Download PDFInfo
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- CN103139148B CN103139148B CN201110380478.8A CN201110380478A CN103139148B CN 103139148 B CN103139148 B CN 103139148B CN 201110380478 A CN201110380478 A CN 201110380478A CN 103139148 B CN103139148 B CN 103139148B
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- exhaling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/25—Maintenance of established connections
Abstract
The present invention discloses a kind of method that business continuance is realized in medium surface renewal process, including：In medium surface renewal process, rise and exhale the CSCF proxy server (P CSCF) of side after receiving and carrying the message that Session Description Protocol provides (SDP offer), by acting the strategy for exhaling side and charging regulation function entity (PCRF) has notified to exhale the gateway of side by the port opening after renewal；After the completion of medium surface updates, the port for exhaling the gateway of side to close before updating is acted；The present invention also provides the system that business continuance is realized in a kind of medium surface renewal process.Technique according to the invention scheme, the interruption of downstream media data when can avoid carrying out port switching in medium surface renewal process.
Description
Technical field
The present invention relates to a kind of method that business continuance is realized in the communications field, more particularly to medium surface renewal process and
System.
Background technology
The communication network based on network interconnection agreement (IP, Internet Protocol) of access gateway includes the next generation
Network (NGN, Next Generation Network), IP multimedia subsystem (IMS, IPMultimedia Core
Network Subsystem), the real-time communication net (RTCWeb, RealTime Communication on Web) based on Web
Deng network, providing the user the network of professional ability includes the real-time communication business such as speech communication, video communication, belongs to service network
Network category.Access network includes circuit commutative field (CS domains, Circuit Switched Domain) access network and packet-switched domain
(ps domain, Packet SwitchingDomain) access network, CS domains access network includes global system for mobile communications (GSM, Global
System ofMobile communication), CDMA (CDMA, Code Division Multiple Access) etc.
Network, ps domain access network includes Long Term Evolution (LTE, Long Term Evolution), high speed uplink downlink packet access skill
Art (HSPA, High Speed Uplink Packet Access), strong type Data for GSM Evolution (EDGE,
Enhanced Data Rate for GSM Evolution), the network such as (EV-DO, Evolution-Data Only).
During the progress of business, because UE movement or the renewal etc. of business to medium surface, it is necessary to be updated.It is logical
Letter both sides need to be updated medium surface by IMS signalings, during renewal, it will cause ongoing media to be sent out
It is raw to interrupt, influence Consumer's Experience.
Fig. 1 be in the prior art business carry out during update medium surface port numbers schematic flow sheet, specifically include
Following steps：
Step 101, UE 1 is to CSCF proxy server (P-CSCF, Proxy-CallSession
Control Function) 1 transmission IMS new informations, for notifying the port numbers that the medium surfaces of P-CSCF 1 are received by Port 11
It is changed to Port 22；IMS new informations are transmitted to P-CSCF2 by P-CSCF 1.
Step 102, IMS new informations are transmitted to UE 2 by P-CSCF 2.
Step 103, UE 2 returns to IMS OK message to P-CSCF 2, for notifying the port numbers of P-CSCF 2 by Port 21
It is changed to Port 22.
Step 104, P-CSCF 2 to strategy with charging regulation function entity (PCRF, Policy and
ChargingRules Function) 2 provide update business information, carry update medium surface information, the port numbers of renewal
Port 12 and Port 22.
Step 105, PCRF 2 is carried to grouped data network gateway (P-GW, Packet Data NetworkGateway) 2
For charging policy control (PCC, the Policy Charging Control) rule of renewal, carry what is updated in wherein PCC rules
Stream description information Port 12 and Port 22.
Step 106, P-GW2 initiates bearing modification flow, and the stream description information after renewal is notified to UE 2.Hereafter, P-
It is that IP Address 1, destination slogan Port 11 upstream data, and destination address are that GW2, which would not allow for destination address,
IP Address 2, destination slogan is that Port 22 downlink data passes through.
Step 107, UE 2 sends media letter using IP Address 2, Port 22 to IP Address 1, Port 12
Breath.
Step 108, P-CSCF 2 to P-CSCF 1 return IMS OK message, carry UE 2 port numbers by Port 21 more
It is changed to Port 22.
Step 108 and step 104 are to carry out simultaneously.
Step 109, P-CSCF 2 returns to IMS OK message to UE 1, carries UE 2 new port numbers Port22.
Step 110, P-CSCF 1 provides the business information updated to PCRF 1, carries the medium surface information updated, updates
Port numbers Port 12, Port 22.
Step 109 and step 110 are to carry out simultaneously.
Step 111, PCRF 1 is provided to P-GW 1 carries new stream description letter in the PCC rules updated, wherein PCC rules
Cease Port 12 and Port 22.
Step 112, P-GW 1 initiates bearing modification flow, and the stream description information after renewal is notified to UE 1.Hereafter, P-
It is that IP Address 1, destination slogan Port 11 downlink data, and destination address are that GW1, which would not allow for destination address,
IP Address 2, destination slogan is that Port 22 upstream data passes through.
In above-mentioned flow, for step 107, UE 2 sends data to UE 1 new port numbers Port 12, and until step
The ability of P-GW 1 opens Port 12 port when rapid 112, so UE 2 is sent in the time interval of step 107 to step 112
Data to UE 1 will be dropped.Consider when cross-domain, the delay of IMS signalings is larger, and the packet being dropped is more, causes industry
Business is interrupted, and influences Consumer's Experience.
In other scenes, such as more new IP address of UE 1, or UE 1 is while number, can all occur in more new IP address and port numbers
The problem of according to service disconnection.
The content of the invention
In view of this, it is a primary object of the present invention to provide in a kind of medium surface renewal process to realize business continuance
Method and system, the interruption of downstream media data when can avoid carrying out port switching in medium surface renewal process.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The present invention provides a kind of method that business continuance is realized in medium surface renewal process, including：
In medium surface renewal process, a P-CSCF for exhaling side exhales side after the message for carrying SDP offer is received by rising
PCRF notified to exhale the gateway of side to open the port after renewal；After the completion of medium surface updates, rise and exhale the gateway of side to close more
Port before new.
In the above method, described is exhaled the P-CSCF of side after the message for carrying SDP offer is received, and side is exhaled by rising
PCRF has notified to exhale the gateway of side to be opened for the port after renewal：
Rise and exhale the UE of side to send the IMS new informations for carrying SDP offer to the P-CSCF, ask the end of medium surface
Mouth is changed to second port by first port；
The P-CSCF provides the business information for carrying new stream description information to the PCRF, by port by first port
It is changed to second port；
The PCRF is according to the new stream description information updating PCC rules, in the stream description information of PCC rules
The second port for the UE for exhaling side has been added, and the PCC rules after renewal are sent to gateway, wherein carrying new stream description letter
Breath.
In the above method, this method also includes：
According to the PCC rules after renewal, the gateway allows that destination interface is first port and destination interface is the simultaneously
The downlink service data stream of Two-port netwerk passes through, or the gateway allows that source port is first port and source port is the second end simultaneously
The uplink business data stream of mouth passes through.
In the above method, this method also includes：
The P-CSCF carries SDP Answer message from exhaling side to receive eventually, and providing the new stream of carrying to the PCRF retouches
The business information of information is stated, the port of side will be exhaled to be changed to the 4th port by the 3rd port eventually；
New stream description information of the PCRF in the business information received, updates PCC rules, in PCC rules
The UE of side port will be exhaled to be changed to the 4th port by the 3rd port in stream description information eventually；The PCRF advises the PCC after renewal
The gateway is then sent to, wherein carrying new stream description information；
The gateway performs bearing modification operation.
In the above method, after the completion of the medium surface updates, acting the port for exhaling the gateway of side to close before updating is：
The P-CSCF has received the IMS ACK messages for exhaling the UE of side to send, and notifies PCRF to delete the UE's that exhales side
First port；
The PCRF indicates that the gateway has closed the first port for the UE for exhaling side；
The gateway has closed the first port for the UE for exhaling side, and the downlink business number that destination interface is first port is not allowed
Pass through according to stream, or the uplink business data stream that not allow source port be first port passes through.
In the above method, after the completion of the medium surface updates, acting the port for exhaling the gateway of side to close before updating is：
The timer that gateways and starting is pre-set；
Then, gateway has closed the first port for the UE for exhaling side to the timer of startup, and it is first end that destination interface is not allowed
Mouthful downlink service data stream pass through, or the uplink business data stream that not allow source port be first port passes through.
In the above method, after the completion of the medium surface updates, acting the port for exhaling the gateway of side to close before updating is：
Gateway detects the uplink business data stream that source port is second port, and the gateway has closed the of the UE that exhales side
Single port, the downlink service data stream that destination interface is not allowed is first port passes through, or does not allow source port to be first port
Uplink business data stream pass through.
In the above method, after the completion of the medium surface updates, acting the port for exhaling the gateway of side to close before updating is：
The PCRF starts the timer pre-set；
The timer of startup then after, the PCRF indicates the port that the gateway is closed before updating；
The gateway has closed the first port for the UE for exhaling side, and the downlink business number that destination interface is first port is not allowed
Pass through according to stream, or the uplink business data stream that not allow source port be first port passes through.
The present invention also provides the system that business continuance is realized in a kind of medium surface renewal process, including：Act the P- for exhaling side
CSCF, rise and exhale the PCRF of side, rise and exhale the gateway of side；Wherein,
The P-CSCF for exhaling side is acted, SDP offer message is carried in medium surface renewal process, receiving, by rising
The PCRF of side is exhaled to notify to exhale the gateway of side to open the port after renewal；
The gateway for exhaling side is acted, after the completion of being updated in medium surface, the port closed before updating.
The method and system of business continuance, medium surface renewal process are realized in the medium surface renewal process that the present invention is provided
In, a P-CSCF for exhaling side exhales the PCRF of side to notify to exhale the gateway of side after the message for carrying SDP offer is received by rising
Port after renewal is opened；After the completion of medium surface updates, the port for exhaling the gateway of side to close before updating is acted, i.e., first opens and updates
Port afterwards, two ports work simultaneously, then delete the port before updating, so as to avoid carrying out in medium surface renewal process
The interruption of downstream media data when port switches.
Brief description of the drawings
Fig. 1 be in the prior art business carry out during update medium surface port numbers schematic flow sheet；
Fig. 2 is that the flow for the embodiment one that the present invention realizes the method that business continuance is realized in medium surface renewal process is shown
It is intended to；
Fig. 3 is that the flow for the embodiment two that the present invention realizes the method that business continuance is realized in medium surface renewal process is shown
It is intended to；
Fig. 4 is that the flow for the embodiment three that the present invention realizes the method that business continuance is realized in medium surface renewal process is shown
It is intended to；
Fig. 5 is that the flow for the example IV that the present invention realizes the method that business continuance is realized in medium surface renewal process is shown
It is intended to；
Fig. 6 is the structural representation for the system that business continuance is realized in medium surface renewal process of the present invention.
Embodiment
The present invention basic thought be：In medium surface renewal process, rise and exhale the P-CSCF of side receiving carrying SDP offer
Message after, the gateway for exhaling the PCRF of side to notify to exhale side by rising is by the port opening after renewal；After the completion of medium surface updates,
Act the port for exhaling the gateway of side to close before updating.
The present invention is described in further detail again below by drawings and the specific embodiments.
The present invention provides a kind of method that business continuance is realized in medium surface renewal process, and this method includes：Medium surface
In renewal process, rise and exhale the P-CSCF of side receiving carrying Session Description Protocol (SDP, SessionDescription
Protocol after the message for) providing (offer), the PCRF of side is exhaled to notify to exhale the gateway of side to beat the port after renewal by rising
Open；After the completion of medium surface updates, the port for exhaling the gateway of side to close before updating is acted.
Embodiment one
Fig. 2 is that the flow for the embodiment one that the present invention realizes the method that business continuance is realized in medium surface renewal process is shown
It is intended to, as shown in Fig. 2 this method comprises the following steps：
Act the UE 1 for exhaling side and exhale side UE 2 to be communicated eventually, the medium surface address being related to and port are：Rise and exhale side UE 1
Reception address be Address 11, port be Port 11, exhale eventually side UE2 reception address be Address 21, port is
Port21；Sometime, UE 1 determines the port of medium surface being changed to Port12；Wherein, due in the present embodiment, pertaining only to
The interaction for exhaling side is acted, therefore, following PGW, PCRF, P-CSCF, UE 1 is to be located at the equipment for exhaling side.
Step 201, P-CSCF receives the IMS new informations that UE 1 is sent, wherein carrying SDP offer, side is exhaled for rising
UE 1 ask the port of medium surface being changed to Port 12 by Port 11；In practical application, IMS new informations can be IMS
Update message or IMS Re-invite message.
Step 202, the IMS new informations received are transmitted to and exhale side eventually by P-CSCF.
Step 203, P-CSCF provides business information to PCRF, and wherein business information includes new stream description information, i.e.,
Port is changed to Port 12 by Port 11；Wherein, the stream that one or more business data flows can be included in business information is retouched
State information, the port of business data flow and sending port are identicals.
Step 204, new stream description information of the PCRF in the business information received, updates local PCC rules, i.e.,
UE 1 port Port 12 is added in the stream description information of the corresponding PCC rules of business data flow of the business information；PCRF
PCC rules after renewal are sent to P-GW；New stream description information is wherein carried, that is, adds UE 1 port Port 12.
Step 205, according to the PCC rules after renewal, P-GW can allow destination interface to be Port 11 and destination simultaneously
Mouthful it is that Port 12 downlink service data stream passes through, or P-GW can allow that source port is Port 11 and source port is simultaneously
Port 12 uplink business data stream passes through；In addition, P-GW can also perform bearer update operation according to PCC rules.
Step 206, P-CSCF from exhaling side to receive IMS OK message eventually, wherein carrying the SDP parameters after consulting, i.e. SDP should
Answer (SDP Answer)；P-CSCF forwards the IMS OK message received to UE 1.
Step 207, P-CSCF provides business information to PCRF, wherein carrying new stream description information, side will be exhaled eventually
Port is changed to Port 22 by Port 21.
Step 208, new stream description information of the PCRF in the business information received, updates local PCC rules, i.e.,
UE 2 port is changed to by Port 21 in the stream description information of the corresponding PCC rules of business data flow of the business information
Port 22；PCC rules after renewal are sent to P-GW by PCRF；New stream description information is wherein carried, i.e., by UE 2 port
Port 22 is changed to by Port 21.
Step 209, according to the PCC rules after renewal, P-GW performs bearing modification operation.
Step 210, UE 1 is sent out using IP Address 21 from IP Address 11 and Port 12 to UE 2 and Port22
Send business data flow.
Step 211, P-CSCF receives the IMS ACK messages of the transmissions of UE 1, exhales side to forward the IMSOK message to end.
Step 212, P-CSCF provides business information to PCRF, for notifying PCRF to delete the original port Port of UE 1
11。
Step 213, according to the business information received, PCRF updates local PCC rules, the i.e. business in the business information
UE 1 port Port 11 is deleted in the stream description information of the corresponding PCC rules of data flow；PCRF is regular by the PCC after renewal
P-GW is sent to, wherein carrying new stream description information, that is, UE 1 port Port 11 is deleted.
Step 214, P-GW performs corresponding bearing modification according to the PCC rules after renewal and operated, that is, deletes UE 1 end
Mouth Port 11 (i.e. close port Port11)；Hereafter, P-GW would not allow for the downlink service data that destination interface is Port 11
Stream passes through, or would not allow for the uplink business data stream that source port is Port 11 and pass through.
Embodiment two
Fig. 3 is that the flow for the embodiment two that the present invention realizes the method that business continuance is realized in medium surface renewal process is shown
It is intended to, as shown in figure 3, this method comprises the following steps：
Act the UE 1 for exhaling side and exhale the UE 2 of side to be communicated eventually, the medium surface address being related to and port：Rise and exhale side UE 1
Reception address be Address 11, port be Port 11, exhale eventually side UE 2 reception address be Address 21, port
For Port 21；Sometime, UE 1 determines the port of medium surface being changed to Port 12.
Step 301~step 310 is with step 201~step 210.
Step 311, P-GW starts the timer pre-set.
Step 312, then, P-GW is in the stream description information of the corresponding PCC rules of the business information for the timer of startup
Delete UE 1 port Port 11 (i.e. close port Port11)；Hereafter, it is Port 11 that P-GW, which would not allow for destination interface,
Downlink service data stream passes through, or the uplink business data stream that not allow source port be Port 11 passes through.
Embodiment three
Fig. 4 is that the flow for the embodiment three that the present invention realizes the method that business continuance is realized in medium surface renewal process is shown
It is intended to, as shown in figure 4, this method comprises the following steps：
Act the UE 1 for exhaling side and exhale the UE 2 of side to be communicated eventually, the medium surface address being related to and port：Rise and exhale side UE 1
Reception address be Address 11, port be Port 11, exhale eventually side UE 2 reception address be Address 21, port
For Port 21；Sometime, UE 1 determines the port of medium surface being changed to Port 12.
Step 401~step 407 is with step 201~step 207.
Step 408, new stream description information of the PCRF in the business information received, updates local PCC rules, i.e.,
UE 2 port is changed to by Port 21 in the stream description information of the corresponding PCC rules of business data flow of the business information
Port 22；PCC rules after renewal are sent to P-GW by PCRF, wherein carrying new stream description information, i.e., by UE 2 port
Port 22 is changed to by Port 21, while PCRF starts the timer pre-set, the duration of the timer is matched somebody with somebody depending on network
Put.
Step 409, according to the PCC rules after renewal, P-GW performs bearing modification operation.
Step 410, UE 1 is sent out using IP Address 21 from IP Address 11 and Port 12 to UE 2 and Port22
Send business data flow.
Step 411, then, PCRF provides the PCC rules updated to P-GW to the timer of startup, wherein the PCC rule updated
Do not include the stream description information of the port before the renewal for the UE for exhaling side then, only include the port after the renewal for the UE for exhaling side
Stream description information (i.e. PCRF indicates the port that P-GW has been closed before the renewal for the UE for exhaling side)；
Step 412, the port Port 11 that P-GW has been closed before the renewal for the UE for exhaling side, hereafter, P-GW would not allow for purpose
Port is that Port 11 downlink service data stream passes through, or does not allow the uplink business data circulation that source port is Port 11
Cross.
Example IV
Fig. 5 is that the flow for the example IV that the present invention realizes the method that business continuance is realized in medium surface renewal process is shown
It is intended to, as shown in figure 5, this method comprises the following steps：
Act the UE 1 for exhaling side and exhale the UE 2 of side to be communicated eventually, the medium surface address being related to and port：Rise and exhale side UE 1
Reception address be Address 11, port be Port 11, exhale eventually side UE 2 reception address be Address 21, port
For Port 21；Sometime, UE 1 determines the port of medium surface being changed to Port12.
Step 501~step 510 is with step 501~step 510.
Step 511, P-GW detects the uplink business data stream that source port is Port12, and P-GW is in the business data flow pair
UE 1 port Port 11 (i.e. close port Port 11) is deleted in the stream description information for the PCC rules answered；Hereafter, P-GW will
The downlink service data stream that not allow destination interface be Port 11 passes through, or does not allow the uplink service that source port is Port 11
Data flow passes through.
To realize the above method, the present invention also provides the system that business continuance is realized in a kind of medium surface renewal process,
Fig. 6 is the structural representation for the system that business continuance is realized in medium surface renewal process of the present invention, as shown in fig. 6, the system
Including：Rise and exhale the P-CSCF 61 of side, rise and exhale the PCRF 62 of side, act the gateway 63 for exhaling side；Wherein,
The P-CSCF 61 for exhaling side is acted, SDP offer message is carried in medium surface renewal process, receiving, is passed through
The gateway 63 for exhaling the PCRF 62 of side to notify to exhale side is acted to open the port after renewal；
The gateway 63 for exhaling side is acted, after the completion of being updated in medium surface, the port closed before updating.
Described is exhaled the P-CSCF 61 of side after the message for carrying SDP offer is received, and the PCRF 62 of side is exhaled by rising
Notify to exhale the gateway 63 of side to be opened for the port after renewal：The IMS renewals for acting the UE transmission carrying SDP offer for exhaling side disappear
Cease to the P-CSCF, the port of medium surface is changed to second port by request by first port；The P-CSCF is to the PCRF
The business information for carrying new stream description information is provided, port is changed to second port by first port；The PCRF is according to institute
New stream description information updating PCC rules are stated, the second end for the UE for exhaling side has been added in the stream description information of PCC rules
Mouthful, and the PCC rules after renewal are sent to gateway, wherein carrying new stream description information；According to the PCC rules after renewal,
The gateway allows that destination interface is first port and destination interface is that the downlink service data stream of second port passes through simultaneously, or
The gateway allows that source port is first port and source port is that the uplink business data stream of second port passes through simultaneously；The P-
CSCF carries SDP Answer message from exhaling side to receive eventually, and the business letter for carrying new stream description information is provided to the PCRF
Breath, will exhale the port of side to be changed to the 4th port by the 3rd port eventually；New streams of the PCRF in the business information received
Description information, updates PCC rules, the UE of side port will be exhaled to be changed to by the 3rd port eventually in the stream description information of PCC rules
4th port；PCC rules after renewal are sent to the gateway by the PCRF, wherein carrying new stream description information；It is described
Gateway performs bearing modification operation.
After the completion of the medium surface updates, acting the port for exhaling the gateway 63 of side to close before updating is：The PCRF indicates institute
State the first port that gateway has closed the UE for exhaling side；The gateway has closed the first port for the UE for exhaling side, does not allow destination
Mouth is that the downlink service data stream of first port passes through, or does not allow the uplink business data circulation that source port is first port
Cross.
Or, after the completion of the medium surface updates, acting the port for exhaling the gateway 63 of side to close before updating is：Gateways and starting is advance
The timer of setting；Then, gateway has closed the first port for the UE for exhaling side to the timer of startup, and it is that destination interface is not allowed
The downlink service data stream of Single port passes through, or the uplink business data stream that not allow source port be first port passes through.
Or, after the completion of the medium surface updates, acting the port for exhaling the gateway 63 of side to close before updating is：Gateway detects source
Port is the uplink business data stream of second port, and the gateway has closed the first port for the UE for exhaling side, do not allowed destination
Mouth is that the downlink service data stream of first port passes through, or does not allow the uplink business data circulation that source port is first port
Cross.
Or, after the completion of the medium surface updates, acting the port for exhaling the gateway 63 of side to close before updating is：The PCRF starts
The timer pre-set；The timer of startup then after, the PCRF indicates the port that the gateway is closed before updating；It is described
Gateway has closed the first port for the UE for exhaling side, and the downlink service data stream that destination interface is not allowed is first port passes through, or
The uplink business data stream that not allow source port be first port passes through.
In above-described embodiment, rise and exhale the access net system of side with grouping system (EPS, the EvolvedPacket of evolution
System exemplified by).Because IMS is unrelated with access, therefore access net system can be any grouping system (such as general packet
Wireless system (GPRS, General Packet Radio System), Universal Mobile Telecommunications System (UMTS, Universal
Mobile Telecommunications System), therefore P-GW or other grouped datas in above-described embodiment
Gateway (such as GPRS gateway support node (GGSN, GRPS Gateway Supporting Node), packet data gateway (PDG,
Packet DataGateway)。
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., should be included in the protection of the present invention
Within the scope of.
Claims (9)
1. the method for business continuance is realized in a kind of medium surface renewal process, it is characterised in that this method includes：
In medium surface renewal process, rise and exhale the CSCF proxy server (P-CSCF) of side to exhale side having received
The carrying Session Description Protocol that UE is sent is provided after IP multimedia subsystem (IMS) new information of the message of (SDP offer),
The PCRF for exhaling side to rising provides the business information for carrying new stream description information, and port is changed into second port by first port；
Notify to exhale the gateway of side to open the port after renewal by acting the strategy for exhaling side and charging regulation function entity (PCRF)；Matchmaker
After the completion of dignity updates, the port for exhaling the gateway of side to close before updating is acted.
2. according to the method described in claim 1, it is characterised in that described to exhale the PCRF of side to notify to exhale the gateway of side by rising
Port after renewal is opened for：
The PCRF is according to new stream description information updating charging policy control (PCC) rule, in the stream of PCC rules
The second port for the UE for exhaling side has been added in description information, and the PCC rules after renewal are sent to gateway, wherein carrying newly
Stream description information.
3. method according to claim 2, it is characterised in that this method also includes：
According to the PCC rules after renewal, the gateway allows that destination interface is first port and destination interface is the second end simultaneously
Mouthful downlink service data stream pass through, or the gateway allows that source port is first port and source port is second port simultaneously
Uplink business data stream passes through.
4. method according to claim 3, it is characterised in that this method also includes：
The P-CSCF carries the message that Session Description Protocol provides response (SDP Answer) from exhaling side to receive eventually, to described
PCRF provides the business information for carrying new stream description information, and the port of side will be exhaled to be changed to the 4th port by the 3rd port eventually；
New stream description information of the PCRF in the business information received, updates PCC rules, is retouched in the stream of PCC rules
The port for stating the UE that will exhale side in information eventually is changed to the 4th port by the 3rd port；The PCRF sends out the PCC rules after renewal
The gateway is given, wherein carrying new stream description information；
The gateway performs bearing modification operation.
5. according to the method described in claim 1, it is characterised in that after the completion of the medium surface updates, rise and exhale the gateway of side to close
The port closed before updating is：
The P-CSCF has received the IMS ACK messages for exhaling the UE of side to send, and notifies PCRF to delete the first of the UE for exhaling side
Port；
The PCRF indicates that the gateway has closed the first port for the UE for exhaling side；
The gateway has closed the first port for the UE for exhaling side, and the downlink service data stream that destination interface is first port is not allowed
Pass through, or the uplink business data stream that not allow source port be first port passes through.
6. according to the method described in claim 1, it is characterised in that after the completion of the medium surface updates, rise and exhale the gateway of side to close
The port closed before updating is：
The timer that gateways and starting is pre-set；
Then, gateway has closed the first port for the UE for exhaling side to the timer of startup, and it is first port that destination interface is not allowed
Downlink service data stream passes through, or the uplink business data stream that not allow source port be first port passes through.
7. according to the method described in claim 1, it is characterised in that after the completion of the medium surface updates, rise and exhale the gateway of side to close
The port closed before updating is：
Gateway detects the uplink business data stream that source port is second port, and the gateway has closed the first end for the UE for exhaling side
Mouthful, the downlink service data stream that destination interface is not allowed is first port passes through, or does not allow source port to be the upper of first port
Row business data flow passes through.
8. according to the method described in claim 1, it is characterised in that after the completion of the medium surface updates, rise and exhale the gateway of side to close
The port closed before updating is：
The PCRF starts the timer pre-set；
The timer of startup then after, the PCRF indicates the port that the gateway is closed before updating；
The gateway has closed the first port for the UE for exhaling side, and the downlink service data stream that destination interface is first port is not allowed
Pass through, or the uplink business data stream that not allow source port be first port passes through.
9. the system of business continuance is realized in a kind of medium surface renewal process, it is characterised in that the system includes：Rise and exhale side
P-CSCF, rise and exhale the PCRF of side, act the gateway for exhaling side and rise and exhale the UE of side；Wherein,
The P-CSCF for exhaling side is acted, the carrying conversation description association for having exhaled the UE of side to send in medium surface renewal process, having received
View is provided after SDP offer IP multimedia subsystem (IMS) new information, is retouched to a stream for exhaling the PCRF offer carryings of side new
The business information of information is stated, port is changed to second port by first port；The PCRF of side is exhaled to notify to exhale the net of side by rising
Close and open the port after renewal；
The gateway for exhaling side is acted, after the completion of being updated in medium surface, the port closed before updating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110380478.8A CN103139148B (en) | 2011-11-25 | 2011-11-25 | The method and system of business continuance are realized in a kind of medium surface renewal process |
| PCT/CN2012/083940 WO2013075576A1 (en) | 2011-11-25 | 2012-11-01 | Method and system for achieving service continuation during update of medium plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110380478.8A CN103139148B (en) | 2011-11-25 | 2011-11-25 | The method and system of business continuance are realized in a kind of medium surface renewal process |
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| CN103139148A CN103139148A (en) | 2013-06-05 |
| CN103139148B true CN103139148B (en) | 2017-10-17 |
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| CN201110380478.8A Expired - Fee Related CN103139148B (en) | 2011-11-25 | 2011-11-25 | The method and system of business continuance are realized in a kind of medium surface renewal process |
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| WO (1) | WO2013075576A1 (en) |
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| JP6501084B2 (en) * | 2013-09-24 | 2019-04-17 | 日本電気株式会社 | Method and apparatus for facilitating P-CSCF recovery when a P-CSCF failure occurs |
| CN110324240A (en) * | 2018-03-29 | 2019-10-11 | 华为技术有限公司 | Communication means and communication device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291453A (en) * | 2007-04-17 | 2008-10-22 | 华为技术有限公司 | Method and apparatus for implementing voice continuity of conversation |
| CN101646256A (en) * | 2009-09-04 | 2010-02-10 | 华为技术有限公司 | Method, equipment and network system for switching voice in cross wireless access technology |
| CN101997847A (en) * | 2009-08-14 | 2011-03-30 | 中兴通讯股份有限公司 | Method and system for realizing service continuity in the case of switching circuit switch multi-session to packet switch |
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| US8107593B2 (en) * | 2008-06-12 | 2012-01-31 | Alcatel Lucent | Method and apparatus for testing new copper connections during migration from analog network elements to next generation network (NGN) elements |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291453A (en) * | 2007-04-17 | 2008-10-22 | 华为技术有限公司 | Method and apparatus for implementing voice continuity of conversation |
| CN101997847A (en) * | 2009-08-14 | 2011-03-30 | 中兴通讯股份有限公司 | Method and system for realizing service continuity in the case of switching circuit switch multi-session to packet switch |
| CN101646256A (en) * | 2009-09-04 | 2010-02-10 | 华为技术有限公司 | Method, equipment and network system for switching voice in cross wireless access technology |
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| Publication number | Publication date |
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| CN103139148A (en) | 2013-06-05 |
| WO2013075576A1 (en) | 2013-05-30 |
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