CN101304366A - Method, apparatus and system for implementing load balance in packet network - Google Patents
Method, apparatus and system for implementing load balance in packet network Download PDFInfo
- Publication number
- CN101304366A CN101304366A CNA2007101067263A CN200710106726A CN101304366A CN 101304366 A CN101304366 A CN 101304366A CN A2007101067263 A CNA2007101067263 A CN A2007101067263A CN 200710106726 A CN200710106726 A CN 200710106726A CN 101304366 A CN101304366 A CN 101304366A
- Authority
- CN
- China
- Prior art keywords
- network element
- target network
- load condition
- collecting unit
- cscf
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a method for realizing load balance in packet networks, which comprises the following steps: loaded states of at least two target network elements which can be substituted mutually; a load balance strategy is utilized according to the obtained loaded states and at least one target network element is chosen from non-fault target network elements; one target network element is chosen from at least one chosen target network element and the service is routed to the target network element. The invention also discloses a system for realizing the load balance in the packet networks. The scheme of the invention does not depend on the specific network element, can be widely deployed in each part of the packet network to realize the load balance and has high practical value.
Description
Technical field
The present invention relates to the packet switching network technical field, realize the methods, devices and systems of load balancing in particularly a kind of packet network.
Background technology
At present, continuous maturation along with group technology, develop based on Circuit-switched conventional telecommunication network towards broadband telecommunication net based on packet switching, and use conversation initialized protocol (SessionInitiation Protocol, SIP) call control signalling as the grouping telecommunications core network then is one of current technology trends, as International Telecommunications Union's Standardization Sector (International TelecommunicationUnion-T Sector, ITU-T) and (the European TelecommunicationsStandards Institute of ETSI, ETSI) etc. normal structure is to next generation network (Next GenerationNetwork, NGN) research, these two normal structures are current all adopt the 3rd generation partner program (3
RdGeneration Partnership Project, 3GPP) IP Multimedia System (IMS) network architecture of normal structure definition is as the core net of NGN.
Whether load condition can characterize the usage degree that network element is handled the request resource requirement, also can indicate network element available, and for example, if load condition indication network element is in malfunction, then this network element is unavailable; If load condition indication network element is in normal condition, then this network element can be used.When the inadequate resource of certain network element in the network when admitting new service request, claim this network element to enter overload.Described resource can be this network element be used to handle a request have the ability, comprise central processing unit (CPU) disposal ability, internal memory, I/O resource, storage capacity or the like; The resource that also can comprise expansion sometimes is as the employed database of this network element or domain name system (Domain Name System, DNS) server (with reference to " draft-rosenberg-sipping-overload-reqs-02 ").
Quick growth along with raising, visit capacity and the data traffic of traffic carrying capacity, the situation that the unbalanced distribution of network element load in the network may occur: some in the network/a plurality of network elements at a time between load overweight, even enter overload, and the other network element is in light-load state, Internet resources fail to be fully utilized, and also may cause the network congestion problem.
Prior art has provided load-balancing method and has solved the problems referred to above.So-called load-balancing method is exactly the load condition according to network element, judges the whether overweight or underload of load of network element, and allocating task between the network element that substitutes mutually is roughly suitable to realize these network element loads, assurance network equipment high-efficiency operation.
The specific practice of load-balancing method of the prior art is: with the corresponding same domain names of some station servers, use dns server that task balance is distributed on these servers in packet network, thereby realize load balancing.But this method has significant limitation: at first, can only realize the load balancing in the same domain name, can not realize the load balancing between a plurality of domain names; Secondly, the existing this scheme of utilizing dns server to realize the equilibrium of domain name internal burden, only solved the problem of load balancing of a very little part in the packet network, needed not rely on dns server under many circumstances and realize load balancing, and do not have corresponding solution in the prior art.
Summary of the invention
In view of this, the embodiment of the invention proposes in a kind of packet network to realize the method for load balancing, can be widely used in the situation that various needs in the packet network carry out load balancing.
This method comprises the steps:
Obtain the load condition of at least two the target network element that can substitute mutually;
According to the load condition application load balancing strategy that is obtained, the target network element of fixing a breakdown is selected at least one target network element from the target network element of all non-faults;
From described at least one target network element of selecting, select a target network element, route traffic toward this target network element.
The embodiment of the invention also proposes to realize in a kind of packet network the system of load balancing, comprising:
At least two target network element that can substitute mutually;
Collecting unit is used to obtain the load condition of each target network element, and the load condition that is obtained is sent to state processing unit;
State processing unit is used for the load condition of basis from the target network element of collecting unit, selects the lighter target network element of at least one load, and the sign of selected target network element is sent to selected cell;
Selected cell is used for routing traffic toward corresponding target network element and handling according to the target network element sign from state processing unit.
The embodiment of the invention also proposes to realize in a kind of packet network the device of load balancing, comprising: collecting unit, state processing unit and selected cell;
Described collecting unit is used for obtaining the load condition of each target network element of packet network, and the load condition that is obtained is sent to state processing unit;
Described state processing unit is used for the load condition of basis from the target network element of collecting unit, selects the lighter non-fault target network element of at least one load, and the sign of selected target network element is sent to selected cell;
Described selected cell is used for routing traffic toward corresponding target network element according to the target network element sign from state processing unit.
As can be seen from the above technical solutions, target network element reports the load condition of self, can select the lighter target network element of load to carry out business according to described load condition, thereby realizes the load balance process to target network element.The present invention program does not rely on special network element, can be widely deployed in the various piece of packet network, has very high practical value.
Description of drawings
Figure 1 shows that the logical architecture figure of the embodiment of the invention;
Fig. 2 realizes the flow chart of load balance process for the present invention;
Fig. 3 is the realization flow figure of the embodiment of the invention one;
Fig. 4 is the realization flow figure of the embodiment of the invention two;
Fig. 5 is the realization flow figure of the embodiment of the invention three.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is further elaborated below in conjunction with accompanying drawing.
The logical architecture of embodiment of the invention system comprises target network element 101, collecting unit 102, state processing unit 103 and selected cell 104 as shown in Figure 1.
Described target network element 101 is used to provide the load condition of this network element, target network element can be the network element that needs to consider load balancing in the packet network arbitrarily, as (the Proxy-Call Session Control Function of the proxy call conversation control function entity in the IMS network, P-CSCF), service call session control function entity (S-CSCF), query call conversation control function entity (I-CSCF), application server (Application Server, AS), MGCF entity (Media GatewayControl Function, MGCF), Breakout Gateway Control Function entity (Breakout Gateway ControlFunction, BGCF), and interconnection boundary Control functional entity (Interconnection Border ControlFunction, IBCF), Multimedia resource function controller (MRFC) (Multimedia Resource FunctionController, MRFC), or emergency call session controlled function entity (Emergency-CSCF E-CSCF) waits network element.In embodiment of the invention system, the number of the target network element 101 that can substitute mutually should be P-CSCF such as target network element 101 greater than 1, and then the number of P-CSCF should be greater than 1.
Collecting unit 102 is responsible for gathering load condition from target network element 101, and gives state processing unit 103 with load condition and handle.In actual applications, collecting unit 102 can be arranged in network element or the subscriber equipment (UE) outside target network element 101 or the target network element.
As when considering the load balancing of P-CSCF, be about to P-CSCF as the target network element among Fig. 1 101, collecting unit 102 can be positioned at, DHCP (Dynamic Host ConfigurationProtocol, DHCP) server, GPRS gateway service node (GGSN), home subscriber server (HSS) or NM server.
The adoptable agreement of E1 interface communication between target network element 101 and the collecting unit 102 includes but not limited to: Session Initiation Protocol, Diameter, DHCP, HTML (Hypertext Markup Language) (Hypertext TransferProtocol, HTTP), network management protocol, internal interface agreement.
The adoptable agreement of E2 interface communication between collecting unit 102 and the state processing unit 103 includes but not limited to: Session Initiation Protocol, Diameter, network management protocol and internal interface agreement.
Selected cell 104 is used for user request is routed to the specified target network element of state processing unit 103.In actual applications, selected cell 104 can be arranged in the network element at state processing unit 103 places or lay respectively at different network elements with state processing unit 103, perhaps is arranged in subscriber equipment (UE).Described user's request can be the user's request from other network element that selected cell 104 receives, and also can be user's request that selected cell 104 self produces.
The adoptable agreement of E3 interface communication between selected cell 104 and the state processing unit 103 includes but not limited to: Session Initiation Protocol, Diameter, DHCP agreement, http protocol, network management protocol and internal interface agreement.
In embodiments of the present invention, collecting unit 102, state processing unit 103 or selected cell 104 can be arranged in same network element, are arranged in more than one network element or are arranged in more than one network element and subscriber equipment simultaneously.
According to logical architecture shown in Figure 1, the method flow of embodiment of the invention realization load balancing comprises the steps: as shown in Figure 2
Step 201: collecting unit is gathered load condition from target network element, and state processing unit obtains load condition from collecting unit.
As described in step 201, the load condition of collecting unit derives from target network element.Specifically can be following any mode or its combination in any:
Target network element regularly reports the load condition of self to collecting unit;
Target network element judges whether self load condition surpasses the threshold values that sets in advance, if then report the load condition of self to give collecting unit;
Collecting unit is regularly to target network element request load condition, and when perhaps the load requests of register requirement/conversation request/state processing unit arrived, the triggering collection unit was to target network element request load condition.
As described in step 201, the load condition that state processing unit is received derives from collecting unit, specifically can be following any mode or its combination in any:
Collecting unit regularly reports the load condition of target network element to state processing unit;
Collecting unit judges whether the load condition of being received surpasses the threshold values that sets in advance, if then this load condition is reported state processing unit;
Report load condition to give state processing unit according to the specific events trigger collecting unit; For example, when registration/conversation request arrived target network element, the triggering collection unit reported load condition to give state processing unit;
State processing unit is regularly to collecting unit request load condition, perhaps according to the specific events trigger state processing unit to collecting unit request load condition, for example when registration/conversation request arrives up network element, then trigger state processing unit to collecting unit request load condition.
Step 202: state processing unit is carried out load balance process according to the load condition of the target network element of receiving.
State processing unit is carried out load balance process, promptly according to the load condition of each target network element of reporting, selects the lower target network element of load in the target network element of non-fault, and selected target network element sign is returned to selected cell.Here, the sign of target network element can be target network element URL(uniform resource locator) (Uniform Resource Locator, URL) or domain name.
Step 203: selected cell is according to the specified target network element of receiving of state processing unit, routing user request.
If the target network element of described appointment is more than one target network element, then selected cell is selected a target network element from the target network element of described appointment, and request is transmitted to this target network element.
What selected cell was received is the target network element address/domain name, then user's request is sent to the pairing target network element of this target network element address/domain name.
Below by three specific embodiments the present invention program is further elaborated.
Embodiment one: the load balancing scheme of S-CSCF.
S-CSCF is mainly used in the IMS network system according to the user's request from subscriber equipment, and business is triggered to corresponding AS.In order to solve the problem of load balancing of S-CSCF, can when registering, the user select suitable S-CSCF by the load condition according to S-CSCF, and user's subsequent session request is undertaken by selected S-CSCF, thereby realizes the load balancing of the S-CSCF of user's service.
Contrast logical construction shown in Figure 1, in the present embodiment, target network element is S-CSCF, and collecting unit, state processing unit and selected cell all are positioned at I-CSCF.When the user initiates register requirement to I-CSCF, I-CSCF inquiry HSS obtains the capability set that the user serves desired S-CSCF, and I-CSCF selects to satisfy the S-CSCF of capability set requirement; If it is a plurality of that the S-CSCF that satisfies the capability set requirement has, I-CSCF selects suitable S-CSCF according to the load condition of these S-CSCF, register requirement is routed to this S-CSCF again.
Fig. 3 shows the process that present embodiment UE initiates S-CSCF to be carried out after the register requirement load balance process, and before UE initiated registration, I-CSCF obtained the load state of each optional S-CSCF.I-CSCF can obtain the load condition of S-CSCF by request mode, and perhaps S-CSCF reports the load condition of self to I-CSCF.On give the correct time, S-CSCF can obtain the address of I-CSCF in the network by the mode of configuration, and according to this I-CSCF reporting address load condition.As can passing through sip message (as expansion OPTIONS) or non-sip message, I-CSCF regular request or S-CSCF regularly/surpass threshold values to trigger and report load condition; Perhaps subscribe to the load condition of S-CSCF by sip subscribe message (SIP SUBSCRIBE), load condition returns in SIP notice (SIP NOTIFY) message; Perhaps I-CSCF will be sent to S-CSCF from registration request from user or conversation request, and S-CSCF returns load condition in registration reply message or conversational response message (as 100Trying).
Aforesaidly return load condition in conversational response message, the embodiment of the invention is as follows to the sip message expansion:
1. be carried in the sip message header field,, increase the load-status parameter, be exemplified below at Via header field as Via header field:
Via：SIP/2.0/UDP[5555:1:2:3:4]：1357；load-status＝70
Wherein, to provide the loading level of current server be 70% to " load-status " parameter;
Or, the new header field Load-Status of expansion in sip message is exemplified below:
Load-Status：80
Wherein, to provide the loading level of current server be 80% to the Load-Status header field;
After UE initiates register requirement, then comprise the steps:
Step 301:UE initiates register requirement, routes to I-CSCF through P-CSCF.Fig. 3 and following flow process are all omitted P-CSCF in describing.
Step 302 is served desired S-CSCF capability set to step 303:I-CSCF to HSS request user, and HSS returns the capability set of S-CSCF to I-CSCF.
In the present embodiment, I-CSCF to HSS request S-CSCF capability set be by user-authorization-request (User Authority Request, UAR) order realizes; And HSS to return the S-CSCF capability set be that (User Authority Answer, UAA) order realizes by user-authorization-answer.
Step 304:I-CSCF is according to the S-CSCF capability set of being received, the S-CSCF of the capability set of customer requirements is satisfied in selection, if satisfying the S-CSCF of the capability set of customer requirements has a plurality of, I-CSCF is again according to the load condition of the S-CSCF that receives, implement certain load balancing strategy, the S-CSCF that fixes a breakdown selects at least one S-CSCF from non-fault S-CSCF.
Perhaps, I-CSCF also can implement certain load balancing strategy earlier according to the load condition of the S-CSCF that receives, and the S-CSCF that fixes a breakdown selects the lighter S-CSCF of load from non-fault S-CSCF; And then according to the S-CSCF capability set of being received, the S-CSCF of the capability set of customer requirements is satisfied in selection from the lighter S-CSCF of load.
Wherein, the load balancing strategy depends on the strategy and the specific implementation of operator, and basic principle is to choose the lighter S-CSCF of load in the non-fault network element.
Step 305:I-CSCF is forwarded to register requirement according to the selected S-CSCF that goes out of load balancing strategy.
Step 306 is returned registration reply message to step 307:S-CSCF, and the forwarding through I-CSCF finally is sent to UE.
After step 308 is received registration reply message to step 309:UE, send second register requirement to S-CSCF, routing procedure is identical with step 301-305, and only wherein HSS only returns the routing iinformation of the S-CSCF of appointment to I-CSCF;
Step 310-311.S-CSCF returns 200 (OK) response to UE, succeeds in registration with indication.
What above flow process was described is the situation that collecting unit and state processing unit are positioned at I-CSCF.In fact, collecting unit and state processing unit can be positioned at other network elements, for example, collecting unit and state processing unit can also all be positioned at HSS, then by the load condition of HSS according to collection, and implement certain load balancing strategy, select the lighter S-CSCF of load, and return the message of the capability set of the S-CSCF that carries lighter S-CSCF address designation of described load and customer requirements to I-CSCF simultaneously; Further share the S-CSCF that the family requires capability set by I-CSCF according to ability selector in the S-CSCF address designation that receives.The message that described HSS returns to I-CSCF can be in Diameter the extended attribute value to (Attribute Value Pair AVP) carries the S-CSCF address information, and this AVP parameter comprises the address designation of S-CSCF.
Collecting unit and state processing unit also can not concentrate on the same network element, and for example, collecting unit can be positioned at HSS, and state processing unit is positioned at I-CSCF.Then HSS returns load condition and the capability set of S-CSCF to I-CSCF.For reaching this purpose, can in Diameter, expand AVP and carry load state information.This AVP parameter comprises the address designation of target network element, the load condition value of target network element.
In the present embodiment, I-CSCF has just obtained the load condition of S-CSCF before receiving register requirement, in fact, also can trigger load condition when arriving as register requirement and obtain operation by I-CSCF when needs be made the S-CSCF selection.
Present embodiment can obtain S-CSCF all in the present networks, also can obtain the load of certain relevant several S-CSCF as required.
Embodiment two: the load balance process of P-CSCF.
In the present embodiment, target network element is P-CSCF, and collecting unit and state processing unit all are positioned at DHCP (Dynamic Host Configuration Protocol, DHCP) server, selected cell are UE.The handling process of present embodiment comprises the steps: as shown in Figure 4
Step 401:DHCP server is collected the load condition of each P-CSCF.
The mode of collecting is divided into two classes, be respectively that P-CSCF reports Dynamic Host Configuration Protocol server to load condition, and Dynamic Host Configuration Protocol server is asked its load condition to P-CSCF.P-CSCF can regularly report load condition to give Dynamic Host Configuration Protocol server by the mode or the alternate manner address that obtain Dynamic Host Configuration Protocol server of configuration, when perhaps load condition surpasses predefined threshold values, triggers reporting load condition to Dynamic Host Configuration Protocol server.Perhaps, Dynamic Host Configuration Protocol server can be according to the load condition of the P-CSCF address regular request P-CSCF that has disposed on it.P-CSCF supports Session Initiation Protocol, and Dynamic Host Configuration Protocol server adopts the DHCP agreement.The E1 interface communication can adopt SIP or DHCP, perhaps other agreement.
Step 402:UE initiates the Dynamic Host Configuration Protocol server request.
Step 403:DHCP server is according to the load balancing strategy, and the P-CSCF that fixes a breakdown selects suitable P-CSCF from non-fault P-CSCF.
Step 404:DHCP server returns to UE with suitable P-CSCF.
Described herein is that Dynamic Host Configuration Protocol server is the situation of state processing unit, and in fact UE also can be state processing unit, and what return in above-mentioned message is the load condition of P-CSCF.This message need be in the DHCP agreement scaling option (OPTION) XX, wherein XX represents to be without loss of generality the code that is not used as yet, supposes XX=47 here.This scaling option kind comprises the description of domain name/address and load condition.When UE sends the DHCP request in above-mentioned steps 402, should be in options request option (Option Request Option, ORO) the middle option code 47 that increases request.When dhcp response, will return the OPTION 47 that comprises load condition.
Step 405:UE initiates register requirement according to the P-CSCF that receives.
Described herein is that Dynamic Host Configuration Protocol server is the situation of state processing unit, in fact when UE is state processing unit, when UE receives the tabulation of the domain name/address of a plurality of P-CSCF and load condition,, select suitable P-CSCF to initiate register requirement according to the load balancing principle.
In the present embodiment, collecting unit and state processing unit all are Dynamic Host Configuration Protocol server.In fact, collecting unit and state processing unit can be positioned at other network elements, and can not concentrate on the same network element.Be positioned at NM server as collecting unit, state processing unit is positioned at UE or NM server.
In the present embodiment, Dynamic Host Configuration Protocol server has just obtained the load condition of P-CSCF before receiving the DHCP request.In fact, also can by Dynamic Host Configuration Protocol server when needs be made the P-CSCF selection, trigger the P-CSCF load condition during as the DHCP request comes and obtain operation.
Present embodiment can obtain P-CSCF all in the present networks, also can obtain the load of certain relevant several P-CSCF as required.
Embodiment three: the load balance process of I-CSCF.
In the present embodiment, target network element is I-CSCF, and collecting unit is positioned at, state processing unit is positioned at and selected cell all is positioned at P-CSCF.The handling process of present embodiment comprises the steps: as shown in Figure 5
Step 501:P-CSCF collects the load condition of each I-CSCF.
The mode of collecting is divided into two classes, and being respectively P-CSCF asks its load condition or I-CSCF that the load condition of self is reported P-CSCF to I-CSCF.In the mode that reports, I-CSCF can obtain the address of P-CSCF by the mode of configuration, load condition itself is reported regularly or when surpassing threshold values the P-CSCF of this address.In the request mode, P-CSCF can obtain the address of I-CSCF, the load condition of request I-CSCF when regular or registration/conversation request arrives by the DNS inquiry.As can passing through sip message (as expansion OPTIONS) or non-sip message, P-CSCF regular request or I-CSCF regularly/surpass threshold values to report load condition; Perhaps by the load condition of SIP SUBSCRIBE message subscribing I-CSCF, load condition returns to P-CSCF in NOTIFY; Perhaps return load condition to P-CSCF in conversational response message (as 100Trying).
Step 502:P-CSCF receives registration/conversation request;
Step 503:P-CSCF is according to the load condition of collecting, and in conjunction with the load balancing strategy, the I-CSCF that fixes a breakdown selects suitable I-CSCF from non-fault I-CSCF;
Step 504:P-CSCF will register/and conversation request routes to selected I-CSCF.
In the present embodiment, collecting unit and state processing unit all are P-CSCF.In fact, collecting unit and state processing unit can be positioned at other network elements, and can not concentrate on the same network element.Be positioned at NM server as collecting unit, state processing unit is positioned at P-CSCF or NM server.
In the present embodiment, P-CSCF receives the load condition that has just obtained I-CSCF before registration/conversation request.In fact, also can by P-CSCF when needs be made the I-CSCF selection, trigger the I-CSCF load condition when arriving and obtain operation as registration/conversation request.
Present embodiment can obtain I-CSCF all in the present networks, also can obtain the load of certain relevant several I-CSCF as required.
Only described the load balancing of P-CSCF to I-CSCF in the present embodiment, the network element outside the S-CSCF/MGCF/AS/ target network element is similar to the load balancing situation of I-CSCF.The similar I-CSCF in IBCF position in network, the also similar I-CSCF of its load balancing.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (21)
1, a kind of method that realizes load balancing in packet network is characterized in that this method comprises the steps:
Obtain the load condition of at least two the target network element that can substitute mutually;
According to the load condition application load balancing strategy that is obtained, from the target network element of non-fault, select at least one target network element;
From described at least one target network element of selecting, select a target network element, route traffic toward this target network element.
2, method according to claim 1 is characterized in that, described load condition indicating target network element is handled the usage degree of request resource requirement, and/or whether the indicating target network element is available.
3, method according to claim 1 is characterized in that, obtains the load condition of target network element by collecting unit, and the described load condition that obtains at least two the target network element that can substitute mutually comprises following any one mode or its combination in any:
Target network element regularly reports the load condition of self to collecting unit;
Target network element judges whether self load condition surpasses the threshold values that sets in advance, if then report self load condition to collecting unit;
Collecting unit is regularly to target network element request load condition;
Collecting unit according to specific events trigger to target network element request load condition.
4, method according to claim 3, it is characterized in that, describedly to target network element request load condition be: collecting unit sends the session initiation protocol sip subscribe message to target network element, and target network element is returned the SIP notification message that carries load state information to collecting unit.
5, method according to claim 3, it is characterized in that, describedly to target network element request load condition be: collecting unit sends register requirement or conversation request to target network element, and target network element is returned the registration reply message or the conversational response message of carrying load state information to collecting unit.
6, method according to claim 1 is characterized in that, described at least one target network element of selecting from the target network element of non-fault comprises:
According to the load condition of each target network element that reports, select the lower non-fault target network element of wherein load, return to selected cell according to selected target network element sign;
Describedly route traffic toward selected target network element and be: selected cell is sent to the corresponding target network element of described target network element sign according to the target network element sign of being received with user's request.
7, method according to claim 6 is characterized in that, described target network element is designated the URL(uniform resource locator) or the domain name of target network element.
8, according to each described method of claim 1 to 7, it is characterized in that, described according to the load condition application load balancing strategy that is obtained, from the target network element of non-fault, select at least one target network element and comprise:
Selection can be satisfied the non-fault target network element of the capability set of described customer requirements;
According to the load condition of target network element,, select at least one target network element to satisfying the target network element application load balancing strategy of customer requirements;
Perhaps,
According to the load condition application load balancing strategy of target network element, select the lighter target network element of load from the target network element of non-fault;
From the lighter target network element of described load, select the target network element that at least one satisfies described customer requirements.
9, method according to claim 8 is characterized in that, described user's request is register requirement, and then described routing traffic toward after the selected target network element further comprises:
Described selected target network element is returned registration reply message to UE;
UE initiates register requirement for the second time, and described second time, register requirement routed to described selected target network element, and target network element is returned registration reply message to UE.
10, realize the system of load balancing in a kind of packet network, comprise at least two target network element that can substitute mutually, it is characterized in that this system also comprises:
Collecting unit is used to obtain the load condition of each target network element, and the load condition that is obtained is sent to state processing unit;
State processing unit is used for the load condition of basis from the target network element of collecting unit, selects the lighter non-fault target network element of at least one load, and the sign of selected target network element is sent to selected cell;
Selected cell is used for routing traffic toward corresponding target network element according to the target network element sign from state processing unit.
11, system according to claim 10 is characterized in that, described target network element is used for regularly reporting to collecting unit the load condition of self;
Perhaps, target network element judges whether self load condition surpasses the threshold values that sets in advance, if then report the load condition of self to give collecting unit.
12, system according to claim 10 is characterized in that, the load condition that described collecting unit obtains each target network element is:
Collecting unit is regularly to target network element request load condition; Perhaps,
When the load requests of register requirement/conversation request/state processing unit arrived, the triggering collection unit was to target network element request load condition.
13, system according to claim 10 is characterized in that, described collecting unit regularly reports the load condition of target network element to state processing unit; And/or,
Collecting unit judges whether the load condition of being received surpasses the threshold values that sets in advance, if then this load condition is reported state processing unit; And/or,
Collecting unit reports load condition to give state processing unit according to specific events trigger.
14, system according to claim 10 is characterized in that, described state processing unit is used for regularly to collecting unit request load condition, and/or, according to specific events trigger to collecting unit request load condition.
15, system according to claim 10, it is characterized in that described target network element comprises at least one in the following functional entity: proxy call conversation control function entity P-CSCF, service call session control function entity S-CSCF, query call conversation control function entity I-CSCF, application server AS, MGCF entity MGCF, Breakout Gateway Control Function entity B GCF, interconnection boundary Control functional entity IBCF, Multimedia resource function controller (MRFC) MRFC and emergency call session controlled function entity E-CSCF.
16, system according to claim 10 is characterized in that, described collecting unit is arranged in network element or the UE outside target network element, the target network element;
And/or described state processing unit is arranged in the network element at collecting unit place, perhaps is arranged in different network elements with collecting unit, or is arranged in UE;
And/or described selected cell is arranged in the network element at state processing unit place, perhaps is arranged in different network elements with state processing unit, perhaps is arranged in UE.
17, system according to claim 10 is characterized in that, the interface communication between described target network element and the collecting unit adopts Session Initiation Protocol, Diameter, dynamic host configuration protocol DHCP, HTML (Hypertext Markup Language) HTTP and/or network management protocol.
18, according to each described system of claim 10 to 17, it is characterized in that the interface communication between described collecting unit and the state processing unit adopts Session Initiation Protocol, Diameter, DHCP agreement, http protocol, network management protocol and/or internal interface agreement.
19, according to each described system of claim 10 to 17, it is characterized in that the interface communication between described state processing unit and the selected cell adopts Session Initiation Protocol, Diameter, DHCP agreement, http protocol, network management protocol and/or internal interface agreement.
20, system according to claim 10, it is characterized in that, described target network element is a proxy call conversation control function entity, and described collecting unit is positioned at dynamic host configuration protocol DHCP server, GPRS gateway service node, home subscriber server or NM server.
21, realize the device of load balancing in a kind of packet network, it is characterized in that this device comprises collecting unit, state processing unit and selected cell;
Described collecting unit is used for obtaining the load condition of each target network element of packet network, and the load condition that is obtained is sent to state processing unit;
Described state processing unit is used for the load condition of basis from the target network element of collecting unit, selects the lighter non-fault target network element of at least one load, and the sign of selected target network element is sent to selected cell;
Described selected cell is used for routing traffic toward corresponding target network element according to the target network element sign from state processing unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101067263A CN101304366A (en) | 2007-05-08 | 2007-06-15 | Method, apparatus and system for implementing load balance in packet network |
| PCT/CN2008/070772 WO2008134959A1 (en) | 2007-05-08 | 2008-04-22 | Method and system for realizing load balancing in packet network |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710108029.1 | 2007-05-08 | ||
| CN200710108029 | 2007-05-08 | ||
| CNA2007101067263A CN101304366A (en) | 2007-05-08 | 2007-06-15 | Method, apparatus and system for implementing load balance in packet network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101304366A true CN101304366A (en) | 2008-11-12 |
Family
ID=40114083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101067263A Pending CN101304366A (en) | 2007-05-08 | 2007-06-15 | Method, apparatus and system for implementing load balance in packet network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101304366A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102918813A (en) * | 2010-06-08 | 2013-02-06 | 阿尔卡特朗讯公司 | Device and method for data load balancing |
| CN103108019A (en) * | 2011-10-17 | 2013-05-15 | 株式会社日立制作所 | Service providing system |
| WO2013170751A1 (en) * | 2012-05-15 | 2013-11-21 | Huawei Technologies Co., Ltd. | System and method for network detection and selection |
| WO2014059582A1 (en) | 2012-10-15 | 2014-04-24 | Telefonaktiebolaget L M Ericsson (Publ) | A ue, a bm-sc, a status management server, a load balancing server and a file repair server and respective methods therein are provided for file repair procedure |
| CN104717148A (en) * | 2013-12-12 | 2015-06-17 | 中国电信股份有限公司 | Method and system for returning user registration address according to load dynamic of BACs |
| CN104935598A (en) * | 2015-06-18 | 2015-09-23 | 国网智能电网研究院 | Scalability method and system for implementing IMS-based presence service |
| WO2015149604A1 (en) * | 2014-04-01 | 2015-10-08 | 华为技术有限公司 | Load balancing method, apparatus and system |
| CN105812437A (en) * | 2014-12-31 | 2016-07-27 | 中国移动通信集团公司 | Business distribution method, system and related device |
| CN105868011A (en) * | 2016-03-29 | 2016-08-17 | 上海斐讯数据通信技术有限公司 | Method and device for improving running efficiency of software system |
| CN106034040A (en) * | 2015-03-13 | 2016-10-19 | 阿里巴巴集团控股有限公司 | Scanning node control method, scanning node control device and scanning node control system |
| CN106254526A (en) * | 2016-09-13 | 2016-12-21 | 国网天津市电力公司 | A kind of design and optimization method of distributed IMS architectural framework based on load balancing |
| CN106464693A (en) * | 2015-06-29 | 2017-02-22 | 华为技术有限公司 | P-CSCF load management method and PGW |
| CN106933671A (en) * | 2015-12-29 | 2017-07-07 | 华为技术有限公司 | A kind of methods, devices and systems for carrying out flexible treatment |
| CN108307442A (en) * | 2017-01-13 | 2018-07-20 | 中兴通讯股份有限公司 | Method for transmitting service and device |
| CN108989284A (en) * | 2018-06-07 | 2018-12-11 | 深圳震有科技股份有限公司 | A kind of service trigger method, storage medium and application server |
| CN109039826A (en) * | 2018-08-29 | 2018-12-18 | 南京星邺汇捷网络科技有限公司 | Collecting method, device and electronic equipment |
| CN111698454A (en) * | 2019-03-12 | 2020-09-22 | 浙江宇视科技有限公司 | Inter-domain resource pushing method and device for dynamically selecting optimal path |
| CN113242141A (en) * | 2021-03-31 | 2021-08-10 | 联想(北京)有限公司 | Fault detection method and device for user plane network element |
| CN114615698A (en) * | 2020-12-09 | 2022-06-10 | 中国移动通信集团四川有限公司 | IBCF interworking gateway load adjustment method and device |
-
2007
- 2007-06-15 CN CNA2007101067263A patent/CN101304366A/en active Pending
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102918813B (en) * | 2010-06-08 | 2015-11-25 | 阿尔卡特朗讯公司 | For equipment and the method for data load balance |
| CN102918813A (en) * | 2010-06-08 | 2013-02-06 | 阿尔卡特朗讯公司 | Device and method for data load balancing |
| CN103108019A (en) * | 2011-10-17 | 2013-05-15 | 株式会社日立制作所 | Service providing system |
| US9071612B2 (en) | 2011-10-17 | 2015-06-30 | Hitachi, Ltd. | Service providing system |
| WO2013170751A1 (en) * | 2012-05-15 | 2013-11-21 | Huawei Technologies Co., Ltd. | System and method for network detection and selection |
| CN104303464A (en) * | 2012-05-15 | 2015-01-21 | 华为技术有限公司 | System and method for network detection and selection |
| US9100852B2 (en) | 2012-05-15 | 2015-08-04 | Futurewei Technologies, Inc. | System and method for network detection and selection |
| CN104303464B (en) * | 2012-05-15 | 2018-01-02 | 华为技术有限公司 | The system and method for detecting and selecting for network |
| WO2014059582A1 (en) | 2012-10-15 | 2014-04-24 | Telefonaktiebolaget L M Ericsson (Publ) | A ue, a bm-sc, a status management server, a load balancing server and a file repair server and respective methods therein are provided for file repair procedure |
| EP2907264B1 (en) * | 2012-10-15 | 2021-08-11 | Telefonaktiebolaget LM Ericsson (publ) | A ue, a bm-sc, a status management server, a load balancing server and a file repair server and respective methods therein are provided for file repair procedure |
| CN104717148A (en) * | 2013-12-12 | 2015-06-17 | 中国电信股份有限公司 | Method and system for returning user registration address according to load dynamic of BACs |
| WO2015149604A1 (en) * | 2014-04-01 | 2015-10-08 | 华为技术有限公司 | Load balancing method, apparatus and system |
| US10686874B2 (en) | 2014-04-01 | 2020-06-16 | Huawei Technologies Co., Ltd. | Load balancing method, apparatus and system |
| US11336715B2 (en) | 2014-04-01 | 2022-05-17 | Huawei Technologies Co., Ltd. | Load balancing method, apparatus and system |
| CN104980361B (en) * | 2014-04-01 | 2018-09-21 | 华为技术有限公司 | A kind of load-balancing method, apparatus and system |
| CN104980361A (en) * | 2014-04-01 | 2015-10-14 | 华为技术有限公司 | Load balancing method, device, and system |
| CN105812437A (en) * | 2014-12-31 | 2016-07-27 | 中国移动通信集团公司 | Business distribution method, system and related device |
| CN106034040B (en) * | 2015-03-13 | 2019-07-02 | 阿里巴巴集团控股有限公司 | The control method of scan node, apparatus and system |
| CN106034040A (en) * | 2015-03-13 | 2016-10-19 | 阿里巴巴集团控股有限公司 | Scanning node control method, scanning node control device and scanning node control system |
| CN104935598B (en) * | 2015-06-18 | 2018-08-14 | 国网智能电网研究院 | It is a kind of to realize the scalability approach and system that business is presented based on IMS |
| CN104935598A (en) * | 2015-06-18 | 2015-09-23 | 国网智能电网研究院 | Scalability method and system for implementing IMS-based presence service |
| CN106464693A (en) * | 2015-06-29 | 2017-02-22 | 华为技术有限公司 | P-CSCF load management method and PGW |
| CN106464693B (en) * | 2015-06-29 | 2019-09-20 | 华为技术有限公司 | A kind of P-CSCF load management method and PGW |
| CN106933671A (en) * | 2015-12-29 | 2017-07-07 | 华为技术有限公司 | A kind of methods, devices and systems for carrying out flexible treatment |
| CN106933671B (en) * | 2015-12-29 | 2019-09-20 | 华为技术有限公司 | A kind of methods, devices and systems carrying out flexible processing |
| CN105868011A (en) * | 2016-03-29 | 2016-08-17 | 上海斐讯数据通信技术有限公司 | Method and device for improving running efficiency of software system |
| CN106254526A (en) * | 2016-09-13 | 2016-12-21 | 国网天津市电力公司 | A kind of design and optimization method of distributed IMS architectural framework based on load balancing |
| CN108307442A (en) * | 2017-01-13 | 2018-07-20 | 中兴通讯股份有限公司 | Method for transmitting service and device |
| CN108989284B (en) * | 2018-06-07 | 2021-04-20 | 深圳震有科技股份有限公司 | Service triggering method, storage medium and application server |
| CN108989284A (en) * | 2018-06-07 | 2018-12-11 | 深圳震有科技股份有限公司 | A kind of service trigger method, storage medium and application server |
| CN109039826B (en) * | 2018-08-29 | 2019-06-25 | 南京星邺汇捷网络科技有限公司 | Collecting method, device and electronic equipment |
| CN109039826A (en) * | 2018-08-29 | 2018-12-18 | 南京星邺汇捷网络科技有限公司 | Collecting method, device and electronic equipment |
| CN111698454A (en) * | 2019-03-12 | 2020-09-22 | 浙江宇视科技有限公司 | Inter-domain resource pushing method and device for dynamically selecting optimal path |
| CN114615698A (en) * | 2020-12-09 | 2022-06-10 | 中国移动通信集团四川有限公司 | IBCF interworking gateway load adjustment method and device |
| CN114615698B (en) * | 2020-12-09 | 2023-07-18 | 中国移动通信集团四川有限公司 | IBCF interworking gateway load adjustment method and device |
| CN113242141A (en) * | 2021-03-31 | 2021-08-10 | 联想(北京)有限公司 | Fault detection method and device for user plane network element |
| CN113242141B (en) * | 2021-03-31 | 2022-07-26 | 联想(北京)有限公司 | Fault detection method and device for user plane network element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101304366A (en) | Method, apparatus and system for implementing load balance in packet network | |
| US7974295B2 (en) | Optimized routing between communication networks | |
| US7742421B2 (en) | Systems, methods, and computer program products for distributing application or higher layer communications network signaling entity operational status information among session initiation protocol (SIP) entities | |
| CN101379799B (en) | Intelligent media gateway selection for multimedia communication sessions | |
| RU2496247C2 (en) | System and method for communication session control function (cscf) entity fault tolerance and load balancing | |
| US20130194910A1 (en) | Failure recovery in an ip multimedia subsystem network | |
| EP2705647B1 (en) | Method and network entity for s-cscf server allocation in an ims based multimedia over ip network | |
| EP2491702B1 (en) | Method and system of transferring a message in a session initiation protocol based communications network | |
| US20100093284A1 (en) | Method and apparatus for collecting user activity in a telecommunications system | |
| EP2090066A1 (en) | Methods and apparatuses for transporting signalling connectivity status information relating to the signalling connection between a terminal and p-cscf in ims | |
| CN103975566A (en) | Service domain selection service indicator | |
| US8339956B2 (en) | Method and apparatus for providing a centralized subscriber load distribution | |
| CN105027528B (en) | The premature beats of session establishment | |
| US20120166621A1 (en) | Sharing the Status of S-CSCF Nodes Across I-CSCF Nodes in a Communications Network | |
| CN102148739B (en) | IMS (IP (Internet Protocol) Multimedia Subsystem) session routing control method and system | |
| CN101374247A (en) | Method, apparatus for processing business of NGN, and NGN | |
| CN102027768A (en) | Handling Enum queries in a communication network | |
| CN101141483B (en) | Method and device of implementing called non-login service | |
| CN105959274B (en) | Communication method and network element used in communication method | |
| CN101483581A (en) | Method, system and device for non-SIP resource access | |
| EP2283628A1 (en) | Ims performance monitoring | |
| JP5212363B2 (en) | COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND DIRECTION CONTROL METHOD IN CONCERN | |
| US9237076B2 (en) | Obtaining signaling information in a packet switched network | |
| US12010154B2 (en) | Support for IMS virtual clients in multi-operator environment | |
| KR100807863B1 (en) | Service provisioning in a communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081112 |