CN102271369A - Method and system for obtaining communication time delay between network entities by Keep-alive mechanism - Google Patents
Method and system for obtaining communication time delay between network entities by Keep-alive mechanism Download PDFInfo
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Abstract
The invention relates to a method and a system for obtaining communication time delay between network entities by a Keep-alive mechanism. The method comprises the following steps that: a source network entity NE 1 sends a Keep-alive Req message carrying a first Time Stamp filed to an object network entity NE2; NE2 receives the Keep-alive Req message carrying the first Time Stamp filed and obtains link time delay from NE1 to NE2 according to a value of the first Time Stamp filed; NE2 sends a Keep-alive Req message carrying a second Time Stamp filed to the NE1; and NE1 receives the Keep-alive Req message carrying the second Time Stamp filed and obtains link time delay from NE2 to NE1 according to a value of the second Time Stamp filed. According to the invention, a present network entity link mechanism is expanded, so that a link with the shortest link time delay can be selected among all network entities for communication; and therefore, a basis for an optimal link selection between entities is provided; a switching success rate can be improved; and network performances and service qualities for customers are further improved.
Description
Technical field
The present invention relates to field of wireless communication, relate in particular to the method and system of obtaining communication delay between network entity in a kind of Wimax (WorldwideInteroperability for Microwave Access, micro-wave access global inter communication) system by Keep-alive mechanism.
Background technology
In the WiMAX network, exist terminal (MS, Mobile Station), base station (BS, BaseStation), IAD (AGW, ASN GateWay) waits each network element (NE, Network Entities).Increased the handshake mechanism between network element in the NWG1.5 agreement, i.e. Keep-alive mechanism by the handshake mechanism between network element, can be learnt link between network element information such as whether communicate accurately.
But, in actual applications, need not only to know whether the link between network element communicates, but also need further know the chain-circuit time delay between network element, such as: connect at BS under the scene of a plurality of AGW, how to select best AGW as current service AGW; Is and under all available situation of R6 (interface of BS and AGW) link and R8 (interface between BS and BS) link, when switching, how determining to adopt R6 to switch be to adopt R8 to switch? can which kind of switching accomplish that handover delay is the shortest? or the like.To this, prior art does not have solution at present.
Because prior art does not have to realize obtaining the method for chain-circuit time delay between each network element, when causing selecting to switch between each network element, can not select the shortest link of chain-circuit time delay to communicate, and influences network performance and customer service quality.Therefore, technology how to obtain the chain-circuit time delay between network element remains research and development.
Summary of the invention
Main purpose of the present invention is to provide a kind of method and system of obtaining communication delay between network entity by Keep-alive mechanism, be intended to realize obtaining the chain-circuit time delay between network element, be applied to by this chain-circuit time delay under the scene such as switching to improve network performance and customer service quality.
The present invention proposes a kind ofly obtains the method for communication delay between network entity by Keep-alive mechanism, may further comprise the steps:
Source network element NE1 sends the Keep-alive Req message that carries very first time stamp Time Stamp field to purpose network element NE2;
NE2 receives and to carry the Keep-alive Req message that the very first time stabs, and obtains chain-circuit time delay from NE1 to NE2 according to the value that the very first time is stabbed field;
NE2 sends the Keep-alive Rsp message that carries the second timestamp field to NE1;
NE1 receives the Keep-alive Rsp message carry the second timestamp field, and obtains chain-circuit time delay from NE2 to NE1 according to the value of the second timestamp field.
Preferably, described source network element NE1 specifically comprises to the step that purpose network element NE2 sends the Keep-alive Req message that carries very first time stamp TimeStamp field:
When NE2 sends Keep-alive Req message, obtain the current time that NE1 sends Keep-alive Req message at NE1;
The current time assignment that NE1 is sent Keep-alive Req message is stabbed field to the very first time in the Keep-alive Req message;
NE1 sends to NE2 and carries the Keep-alive Req message of stabbing field through the very first time after the assignment.
Preferably, described NE2 specifically comprises to the step that NE1 sends the Keep-alive Rsp message that carries the second timestamp field:
When NE1 sends Keep-alive Rsp message, obtain the current time that NE2 sends Keep-alive Rsp message at NE2;
The current time assignment that NE2 is sent Keep-alive Rsp message is to the second timestamp field;
NE2 sends the Keep-alive Rsp message that carries through the second timestamp field after the assignment to NE1.
Preferably, described NE2 receives and carries the very first time and stab the Keep-alive Req message of field, and specifically comprises according to the step that the value that the very first time is stabbed field is obtained the chain-circuit time delay from NE1 to NE2:
NE2 receives the Keep-alive Req message that carries very first time stamp field;
NE2 obtains the current time that NE2 receives Keep-alive Req message;
NE2 stabs the field from the very first time and obtains the current time that NE1 sends Keep-alive Req message;
NE1 is sent the current time of Keep-alive Req message to NE2 and the current time of NE2 reception Keep-aliveReq message compares calculating, obtains the chain-circuit time delay from NE1 to NE2.
Preferably, described NE1 receives the Keep-alive Rsp message that carries the second timestamp field, and specifically comprises according to the step that the value of the second timestamp field is obtained the chain-circuit time delay from NE2 to NE1:
NE1 receives the Keep-alive Rsp message that carries the second timestamp field;
NE1 obtains the current time that NE1 receives Keep-alive Rsp message;
NE1 obtains the current time that NE2 sends Keep-alive Rsp message from the second timestamp field;
NE2 is sent the current time of Keep-alive Rsp message to NE1 and the current time of NE1 reception Keep-aliveRsp message compares calculating, obtains the chain-circuit time delay from NE2 to NE1.
The present invention proposes a kind ofly to obtain the system of communication delay between network entity by Keep-alive mechanism, comprises source network element NE1 and purpose network element NE2, wherein:
Described NE1 comprises:
First sends processing module, is used for sending the Keep-aliveReq message that carries very first time stamp field to NE2;
First receiving processing module is used to receive the Keep-alive Rsp message that carries the second timestamp field, and obtains chain-circuit time delay from NE2 to NE1 according to the value of the second timestamp field;
Described NE2 comprises:
Second sends processing module, is used for sending the Keep-aliveRsp message that carries the second timestamp field to NE1;
Second receiving processing module is used to receive and carries the very first time and stab the Keep-alive Req message of field, and obtains chain-circuit time delay from NE1 to NE2 according to the value that the very first time is stabbed field.
Preferably, the described first transmission processing module specifically comprises:
First acquiring unit is used at NE1 obtaining the current time that NE1 sends Keep-alive Req message when NE2 sends Keep-alive Req message;
The first assignment unit is used for NE1 is sent the very first time stamp field of the current time assignment of Keep-alive Req message to Keep-alive Req message;
First transmitting element is used for sending the Keep-alive Req message that carries through the stamp field of the very first time after the assignment to NE2.
Preferably, the described second transmission processing module specifically comprises:
Second acquisition unit is used at NE2 obtaining the current time that NE2 sends Keep-alive Rsp message when NE1 sends Keep-alive Rsp message;
The second assignment unit is used for NE2 is sent the second timestamp field of the current time assignment of Keep-alive Rsp message to Keep-alive Rsp message;
Second transmitting element is used for sending the Keep-alive Rsp message that carries through the second timestamp field after the assignment to NE1.
Preferably, described second receiving processing module specifically comprises:
Second receiving element is used to receive the Keep-alive Req message that carries very first time stamp field;
The 3rd acquiring unit is used to obtain the current time that NE2 receives Keep-alive Req message; And be used for stabbing the current time that field is obtained NE1 transmission Keep-alive Req message from the very first time;
Second computing unit is used for that NE1 is sent the current time of Keep-alive Req message and the current time of NE2 reception Keep-alive Req message compares calculating, obtains the chain-circuit time delay from NE1 to NE2.
Preferably, described first receiving processing module specifically comprises:
First receiving element is used to receive the Keep-alive Rsp message that carries the second timestamp field;
The 4th acquiring unit is used to obtain the current time that NE1 receives Keep-alive Rsp message; And be used for obtaining the current time that NE2 sends Keep-alive Rsp message from the second timestamp field;
First computing unit is used for that NE2 is sent the current time of Keep-alive Rsp message and the current time of NE1 reception Keep-alive Rsp message compares calculating, obtains the chain-circuit time delay from NE2 to NE1.
The present invention obtains the method and system of communication delay between network entity by Keep-alive mechanism, by expanding current network element link mechanism, the mode that increases the timestamp field in Keep-alive Req message and Keep-alive Rsp message is obtained chain-circuit time delay, can communicate for selecting the shortest link of chain-circuit time delay between each network element, thereby change selection for optimum link between network element foundation is provided, improve handover success rate, further improved network performance and customer service quality.
Description of drawings
Fig. 1 is the present invention obtains communication delay between network entity by Keep-alive mechanism method one an embodiment schematic flow sheet;
Fig. 2 is the idiographic flow schematic diagram that Keep-alive mechanism is obtained step 101 in the method for communication delay between network entity that passes through shown in Figure 1;
Fig. 3 is the idiographic flow schematic diagram that Keep-alive mechanism is obtained step 102 in the method for communication delay between network entity that passes through shown in Figure 1;
Fig. 4 is the idiographic flow schematic diagram that Keep-alive mechanism is obtained step 103 in the method for communication delay between network entity that passes through shown in Figure 1;
Fig. 5 is the idiographic flow schematic diagram that Keep-alive mechanism is obtained step 104 in the method for communication delay between network entity that passes through shown in Figure 1;
Fig. 6 is the present invention obtains communication delay between network entity by Keep-alive mechanism system's one example structure schematic diagram;
Fig. 7 is the first concrete structure schematic diagram that sends processing module in the system that obtains communication delay between network entity by Keep-alive mechanism shown in Figure 6;
Fig. 8 is the concrete structure schematic diagram of first receiving processing module in the system that obtains communication delay between network entity by Keep-alive mechanism shown in Figure 6;
Fig. 9 is the second concrete structure schematic diagram that sends processing module in the system that obtains communication delay between network entity by Keep-alive mechanism shown in Figure 6;
Figure 10 is the concrete structure schematic diagram of second receiving processing module in the system that obtains communication delay between network entity by Keep-alive mechanism shown in Figure 6.
In order to make technical scheme of the present invention clearer, clear, be described in further detail below in conjunction with accompanying drawing.
Embodiment
Solution for embodiment of the invention mainly is by expanding current network element link mechanism, the mode that increases timestamp in Keep-alive Req message (handshake request message) and Keep-alive Rsp message (response message of shaking hands) is obtained chain-circuit time delay, thereby for selecting the shortest link of chain-circuit time delay to communicate between each network element, to improve handover success rate, shorten handover delay, further improve customer satisfaction.
In the prior art, the structure of Keep-alive Req message and Keep-alive Rsp message is shown in following table 1 and table 2.The embodiment of the invention increases the mode of time stamp T ime Stamp field and obtains chain-circuit time delay in Keep-alive Req message and Keep-alive Rsp message, its Keep-alive Req message and Keep-alive Rsp message structure are shown in following table 3 and table 4.
| IE | Reference | M/O | Notes |
| Last?Reset?Time | 5.3.2.442 | M | The timestamp of the Keep-alive REQ Sender’s last boot up(the value generated during NE last boot up). |
| Health?status | 5.3.2.443 | O | Zero?or?more?TLVs?MAY?be?included. |
| >Status | 5.3.2.444 | CM | SHALL be ineluded if Health Status TLV is included.It provides the reported NE/Function status(as identified by Functional Entity ID of the Reported Node if present，or by originat or of the message if Reported Node ID is not present). |
| >Reported?Node?ID | 5.3.2.445 | O | MAY be ineluded if the report is on behalf of another reported Node. Identifies the Functional Entity ID(the addressable ID which can be presented by IPv4， IPv6 or IEEE 6-octect address)of the reported node. |
| >Referenoe?Last?Reset?Time | 5.3.2.446 | O | SHALL be included if Reported Node ID TLV is included.Provides the LRT value of the reported NE(as identified by Functional Entity ID of the reported node). |
| >Function?ID | 5.3.2.447 | O | MAY be included to indicate the specific WiMAX ASN GW Functional Entity as defined for WiMAX ASN GW-Authenticator，Ancher GW or PC.If missing，the Default value(ALL)is assumed. |
Table 1 (Table-Keep-alive Req)
| IE | Reference | ?M/O | Notes |
| Failure?Indication | 5.3.2.69 | ?O | |
| Last?Reset?Time | 5.3.2.442 | ?M | The timestamp of the Keep-alive RSP Sender’slast boot up(the value generated during NE lastboot up). |
Table 2 (Table-Keep-alive Rsp)
| IE | Reference | M/O | Notes |
| Last?Reset?Time | 5.3.2.442 | M | The timestamp of the Keep-alive REQ Sender‘s last boot up(the value generated during the NE last boot up) |
| Health?status | 5.3.2.443 | O | Zero?or?more?TLVs?MAY?be?included. |
| >Status | 5.3.2.444 | CM | SHALL be included if Health Status TLV is included.It provides the reported NE/Function status(as identified by Functional Entity ID of the Reported Node if present，or by originator of the message if Reported Node ID is not present). |
| >Reported?Node?ID | 5.3.2.445 | O | MAY be included if the report is on behalf of another reported Node. Identifies the Functional Entity ID(the addressable ID which can be presented by IPv4， IPv6 or IEEE 6-octect address)of the reported node. |
| >Reference?Last?Reset?Time | 5.3.2.446 | O | SHALL be included if Reported Node ID TLV is included.Provides the LRT value of the reported NE(as identified by Functional Entity ID of the reported node). |
| >Function?ID | 5.3.2.447 | O | MAY be included to indicate the specific WiMAX ASN GW Functional Entity as defined for WiMAX ASN GW-Authenticator.Anchor GW or PC.If missing，the Default value(ALL)is assumed |
| Time?Stamp | 5.3.2.358 | O | Transmission time for Keep-alive Req.May be include in order for the destination NE to calculate the transmission delay between the two NEs. |
Table 3 (Table-Keep-alive Req)
| IE | Reference | M/O | Notes |
| Failure?Indication | 5.3.2.69 | O | |
| Last?Reset?Time | 5.3.2.442 | M | The timestamp of the Keep-alive REQ Sender‘s last boot up(the value generated during the NE last boot up) |
| Time?Stamp | 5.3.2.358 | O | Transmission time for Keep-alive Rsp..May be include in order for the destination NE to calculate the transmission delay between the two NEs. |
Table 4 (Table-Keep-alive Rsp)
As shown in Figure 1, present embodiment proposes a kind ofly to obtain the method for communication delay between network entity by Keep-alive mechanism, comprising:
In the present embodiment, NE1 is the source network element, and NE2 is the purpose network element, and time stamp T ime Stamp is a voucher document that forms after encrypting, and it comprises three parts:
(1) need add the summary (digest) of the file of timestamp;
(2) authenticated unit DTS receives the date and time of file;
(3) digital signature of authenticated unit DTS.
In general, the process that timestamp produces is: the file that the user at first adds needs timestamp forms summary with Hash (hash) coding encrypting, then this summary is sent to DTS, DTS encrypts (digital signature) to this document again after having added the date and time information of receiving document, send the user then back to.
As shown in Figure 2, wherein step 101 specifically comprises:
As shown in Figure 3, wherein step 102 specifically comprises:
As shown in Figure 4, wherein step 103 specifically comprises:
As shown in Figure 5, wherein step 104 specifically comprises:
In the present embodiment, when needs switch, can obtain NE1 in the following manner between NE1 and NE2 to NE2 and NE2 to the chain-circuit time delay between the NE1:
When sending to NE2, NE1 carries the very first time when stabbing the Keep-alive Req message of field, obtain the current time of NE1 transmission Keep-alive Req message, and the current time assignment that NE1 is sent Keep-alive Req message is stabbed field to the very first time in the Keep-alive Req message, afterwards, NE1 sends to NE2 and carries the Keep-alive Req message of stabbing field through the very first time after the assignment, NE2 receives the Keep-alive Req message that carries very first time stamp field, and obtain the current time that NE2 receives Keep-alive Req message, simultaneously, NE2 stabs the field from the very first time and obtains the current time that NE1 sends Keep-alive Req message, NE1 is sent the current time of Keep-alive Req message to NE2 and the current time of NE2 reception Keep-alive Req message compares calculating, obtain the chain-circuit time delay from NE1 to NE2, thereby realize obtaining the purpose of NE1 to the chain-circuit time delay of NE2.
After NE2 receives the Keep-alive Req message of NE1 transmission, when the NE1 transmission carries the Keep-alive Rsp message of the second timestamp field, obtain the current time that NE2 sends Keep-alive Rsp message by NE1, and the current time assignment that NE2 is sent Keep-alive Rsp message is to the second timestamp field in the Keep-alive Rsp message, afterwards, NE2 sends the Keep-alive Rsp message that carries through the second timestamp field after the assignment to NE1, when NE1 receive that NE2 sends carry the Keep-alive Rsp message of the second timestamp field time, obtain the current time of NE1 reception Keep-alive Rsp message, from the second timestamp field, obtain the current time of NE2 transmission Keep-alive Rsp message simultaneously, NE2 is sent the current time of Keep-alive Rsp message to NE1 and the current time of NE1 reception Keep-alive Rsp message compares calculating, obtain the chain-circuit time delay from NE2 to NE1, thereby realize obtaining the purpose of the chain-circuit time delay from NE2 to NE1.
Present embodiment is by increasing time stamp T ime Stamp field in Keep-alive Req message and Keep-alive Rsp message, NE1 receive Keep-alive Req message and and when NE2 receives Keep-alive Rsp message, current time when value by timestamp separately and NE1 and NE2 receive message respectively compares, the chain-circuit time delay of acquisition between from NE1 to NE2 and from NE2 to NE1, thus for after NE between optimum link select to provide foundation.
In practice, can adopt the mode that in Keep-alive Req message and Keep-alive Rsp message, increases timestamp to obtain chain-circuit time delay, thereby select the shortest link of chain-circuit time delay to communicate by expansion current network link mechanism.Such as under many AGW, can select the shortest AGW of chain-circuit time delay between BS and AGW is current service AGW; In decision is when adopting R6 switching or employing R8 to switch, can compare the time delay of BS and AGW and the time delay of BS and BS, adopt the shortest approach of time delay to do switching, thereby can improve handover success rate, shorten handover delay, further improve network performance and customer satisfaction.
As shown in Figure 6, the present invention proposes a kind ofly to obtain the system of communication delay between network entity by Keep-alive mechanism, comprises source network element NE1 501 and purpose network element NE2 502, wherein:
First sends processing module 5011, is used for sending the Keep-alive Req message that carries very first time stamp field to NE2 502;
First receiving processing module 5012 is used to receive the Keep-aliveRsp message that carries the second timestamp field, and obtains from the chain-circuit time delay of NE2 502 to NE1501 according to the value of second timestamp.
NE2502 comprises that second sends the processing module 5021 and second receiving processing module 5022;
Second sends processing module 5021, is used for sending the Keep-alive Rsp message that carries the second timestamp field to NE1 501;
Second receiving processing module 5022 is used to receive the Keep-aliveReq message that carries very first time stamp field, and obtains from the chain-circuit time delay of NE1 501 to NE2 502 according to the value that the very first time stabs.
As shown in Figure 7, the first transmission processing module 5011 specifically comprises:
First acquiring unit 50111 is used at NE1 501 obtaining the current time that NE1501 sends Keep-alive Req message when NE2 502 sends Keep-alive Req message;
The first assignment unit 50112 is used for NE1 501 is sent the very first time stamp field of the current time assignment of Keep-alive Req message to Keep-alive Req message;
First transmitting element 50113 is used for sending the Keep-alive Req message that carries through the stamp field of the very first time after the assignment to NE2 502.
As shown in Figure 8, first receiving processing module 5012 specifically comprises:
First receiving element 50121 is used to receive the Keep-alive Rsp message that carries the second timestamp field;
The 4th acquiring unit 50122 is used to obtain the current time that NE1 501 receives Keep-alive Rsp message; And be used for obtaining the current time that NE2502 sends Keep-alive Rsp message from the second timestamp field;
As shown in Figure 9, the second transmission processing module 5021 specifically comprises:
Second acquisition unit 50211 is used at NE2 502 obtaining the current time that NE2 502 sends Keep-alive Rsp message when NE1 501 sends Keep-alive Rsp message;
The second assignment unit 50212 is used for NE2 502 is sent the current time assignment of Keep-alive Rsp message to the second timestamp field;
Second transmitting element 50213 is used for sending the Keep-alive Rsp message that carries through the second timestamp field after the assignment to NE1 501.
As shown in figure 10, second receiving processing module 5022 specifically comprises:
Second receiving element 50221 is used to receive the Keep-alive Req message that carries very first time stamp field;
The 3rd acquiring unit 50222 is used to obtain the current time that NE2 502 receives Keep-alive Req message; And be used for stabbing the current time that field is obtained NE1 501 transmission Keep-alive Req message from the very first time;
In the present embodiment, when needs switch between NE1 501 and NE2 502, sending in the processing modules 5,011 first transmitting element 50113 by NE1 501 first sends to NE2 502 and carries the very first time when stabbing the Keep-alive Req message of field, and the current time of obtaining NE1 501 transmission Keep-alive Req message by first acquiring unit 50111, NE1 501 is sent the current time assignment of Keep-alive Req message to the stamp field of the very first time in the Keep-alive Req message by the first assignment unit 50112 again, afterwards, send the Keep-alive Req message that carries through the stamp field of the very first time after the assignment to NE2 502 by first transmitting element 50113, second receiving element 50221 receives the Keep-alive Req message that carries very first time stamp field in NE2 502 second receiving processing modules 5022, obtain the current time that NE2 502 receives Keep-alive Req message by the 3rd acquiring unit 50222, stab from the very first time simultaneously and obtain the field current time that NE1 501 sends Keep-alive Req message, by second computing unit 50223 current time of NE1 501 transmission Keep-alive Req message and the current time of NE2 502 reception Keep-alive Req message are compared calculating, obtain from the chain-circuit time delay of NE1 501 to NE2 502, thereby realize obtaining the purpose that NE1 501 arrives the chain-circuit time delay of NE2 502.
After NE2 502 receives the Keep-alive Req message of NE1 501 transmissions, when NE1 501 transmissions carry the Keep-alive Rsp message of the second timestamp field, send the current time of Keep-alive Rsp message to NE1 501 by second acquisition unit 50211, by the second assignment unit 50212 NE2 502 is sent the current time assignment of Keep-alive Rsp message to the second timestamp field in the Keep-alive Rsp message again, afterwards, second transmitting element 50213 sends the Keep-alive Rsp message that carries through the second timestamp field after the assignment to NE1 501, receive the Keep-alive Rsp message that carries the second timestamp field that NE2 502 sends by first receiving element 50121 in NE1 501 first receiving processing modules 5012, and the current time of obtaining NE1 501 reception Keep-aliveRsp message by the 4th acquiring unit 50122, from the second timestamp field, obtain the current time of NE2 502 transmission Keep-aliveRsp message simultaneously, by first computing unit 50123 current time of NE2 502 transmission Keep-alive Rsp message and the current time of NE1 501 reception Keep-alive Rsp message are compared calculating, obtain from the chain-circuit time delay of NE2 502 to NE1 501, thereby realize obtaining from the purpose of the chain-circuit time delay of NE2 502 to NE1501.
Present embodiment is by increasing time stamp T ime Stamp field in Keep-alive Req message and Keep-alive Rsp message, receive Keep-alive Req message and when NE2 502 receives Keep-alive Rsp message at NE1 501, current time when value by timestamp separately and NE1 501 and NE2 502 receive message respectively compares, acquisition is from NE1 501 to NE2 502 and from the chain-circuit time delay the NE2 502 to NE1 501, thus for after NE between optimum link select to provide foundation.
The embodiment of the invention is by the current network element link mechanism of expansion, the mode that increases timestamp in Keep-alive Req message and Keep-alive Rsp message is obtained chain-circuit time delay, select to provide foundation for switching fast between the network element, thereby realize selecting between each network element the shortest link of chain-circuit time delay to communicate, improve handover success rate, further improved network performance and customer service quality.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. one kind is obtained the method for communication delay between network entity by Keep-alive mechanism, it is characterized in that, may further comprise the steps:
Source network element NE1 sends the handshake request Keep-alive Req message that carries very first time stamp Time Stamp field to purpose network element NE2;
NE2 receives and to carry the Keep-alive Req message that the very first time stabs, and obtains chain-circuit time delay from NE1 to NE2 according to the value that the very first time is stabbed field;
NE2 carries shaking hands of the second timestamp field to the NE1 transmission and replys Keep-alive Rsp message;
NE1 receives the Keep-alive Rsp message carry the second timestamp field, and obtains chain-circuit time delay from NE2 to NE1 according to the value of the second timestamp field.
2. method according to claim 1 is characterized in that, described source network element NE1 comprises to the step that purpose network element NE2 sends the Keep-alive Req message that carries very first time stamp Time Stamp field:
When NE2 sends Keep-alive Req message, obtain the current time that NE1 sends Keep-alive Req message at NE1;
The current time assignment that NE1 is sent Keep-alive Req message is stabbed field to the very first time in the Keep-alive Req message;
NE1 sends to NE2 and carries the Keep-alive Req message of stabbing field through the very first time after the assignment.
3. method according to claim 1 is characterized in that, described NE2 comprises to the step that NE1 sends the Keep-alive Rsp message that carries the second timestamp field:
When NE1 sends Keep-alive Rsp message, obtain the current time that NE2 sends Keep-alive Rsp message at NE2;
The current time assignment that NE2 is sent Keep-alive Rsp message is to the second timestamp field;
NE2 sends the Keep-alive Rsp message that carries through the second timestamp field after the assignment to NE1.
4. method according to claim 1 and 2 is characterized in that, described NE2 receives and carries the very first time and stab the Keep-alive Req message of field, and comprises according to the step that the value that the very first time is stabbed field is obtained the chain-circuit time delay from NE1 to NE2:
NE2 receives the Keep-alive Req message that carries very first time stamp field;
NE2 obtains the current time that NE2 receives Keep-alive Req message;
NE2 stabs the field from the very first time and obtains the current time that NE1 sends Keep-alive Req message;
NE1 is sent the current time of Keep-alive Req message to NE2 and the current time of NE2 reception Keep-aliveReq message compares calculating, obtains the chain-circuit time delay from NE1 to NE2.
5. according to claim 1 or 3 described methods, it is characterized in that described NE1 receives the Keep-alive Rsp message that carries the second timestamp field, and comprise according to the step that the value of the second timestamp field is obtained the chain-circuit time delay from NE2 to NE1:
NE1 receives the Keep-alive Rsp message that carries the second timestamp field;
NE1 obtains the current time that NE1 receives Keep-alive Rsp message;
NE1 obtains the current time that NE2 sends Keep-alive Rsp message from the second timestamp field;
NE2 is sent the current time of Keep-alive Rsp message to NE1 and the current time of NE1 reception Keep-aliveRsp message compares calculating, obtains the chain-circuit time delay from NE2 to NE1.
6. one kind is obtained the system of communication delay between network entity by Keep-alive mechanism, comprises source network element NE1 and purpose network element NE2, it is characterized in that,
Described NE1 comprises:
First sends processing module, is used for sending the Keep-aliveReq message that carries very first time stamp field to NE2;
First receiving processing module is used to receive the Keep-alive Rsp message that carries the second timestamp field, and obtains chain-circuit time delay from NE2 to NE1 according to the value of the second timestamp field;
Described NE2 comprises:
Second sends processing module, is used for sending the Keep-aliveRsp message that carries the second timestamp field to NE1;
Second receiving processing module is used to receive and carries the very first time and stab the Keep-alive Req message of field, and obtains chain-circuit time delay from NE1 to NE2 according to the value that the very first time is stabbed field.
7. system according to claim 6 is characterized in that, described first sends processing module comprises:
First acquiring unit is used at NE1 obtaining the current time that NE1 sends Keep-alive Req message when NE2 sends Keep-alive Req message;
The first assignment unit is used for NE1 is sent the very first time stamp field of the current time assignment of Keep-alive Req message to Keep-alive Req message;
First transmitting element is used for sending the Keep-alive Req message that carries through the stamp field of the very first time after the assignment to NE2.
8. system according to claim 6 is characterized in that, described second sends processing module comprises:
Second acquisition unit is used at NE2 obtaining the current time that NE2 sends Keep-alive Rsp message when NE1 sends Keep-alive Rsp message;
The second assignment unit is used for NE2 is sent the second timestamp field of the current time assignment of Keep-alive Rsp message to Keep-alive Rsp message;
Second transmitting element is used for sending the Keep-alive Rsp message that carries through the second timestamp field after the assignment to NE1.
9. according to claim 6 or 7 described systems, it is characterized in that described second receiving processing module comprises:
Second receiving element is used to receive the Keep-alive Req message that carries very first time stamp field;
The 3rd acquiring unit is used to obtain the current time that NE2 receives Keep-alive Req message; And be used for stabbing the current time that field is obtained NE1 transmission Keep-alive Req message from the very first time;
Second computing unit is used for that NE1 is sent the current time of Keep-alive Req message and the current time of NE2 reception Keep-alive Req message compares calculating, obtains the chain-circuit time delay from NE1 to NE2.
10. according to claim 6 or 8 described systems, it is characterized in that described first receiving processing module comprises:
First receiving element is used to receive the Keep-alive Rsp message that carries the second timestamp field;
The 4th acquiring unit is used to obtain the current time that NE1 receives Keep-alive Rsp message; And be used for obtaining the current time that NE2 sends Keep-alive Rsp message from the second timestamp field;
First computing unit is used for that NE2 is sent the current time of Keep-alive Rsp message and the current time of NE1 reception Keep-alive Rsp message compares calculating, obtains the chain-circuit time delay from NE2 to NE1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370677A (en) * | 2016-05-12 | 2017-11-21 | 西安三星电子研究有限公司 | The method and apparatus that node determines path life span |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055427A (en) * | 1996-07-18 | 2000-04-25 | Nokia Telecommunications Oy | Hard handoff and a radio system |
| CN1845636A (en) * | 2005-04-07 | 2006-10-11 | 华为技术有限公司 | Switching method based on distributed wireless access network |
| CN1848778A (en) * | 2005-04-04 | 2006-10-18 | 安捷伦科技有限公司 | Method of monitoring progress of a signalling message and network monitoring apparatus |
-
2010
- 2010-06-01 CN CN2010101892690A patent/CN102271369A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055427A (en) * | 1996-07-18 | 2000-04-25 | Nokia Telecommunications Oy | Hard handoff and a radio system |
| CN1848778A (en) * | 2005-04-04 | 2006-10-18 | 安捷伦科技有限公司 | Method of monitoring progress of a signalling message and network monitoring apparatus |
| US20060250988A1 (en) * | 2005-04-04 | 2006-11-09 | Garcia Francisco J | Method of monitoring progress of a singalling message and network monitoring apparatus |
| CN1845636A (en) * | 2005-04-07 | 2006-10-11 | 华为技术有限公司 | Switching method based on distributed wireless access network |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370677A (en) * | 2016-05-12 | 2017-11-21 | 西安三星电子研究有限公司 | The method and apparatus that node determines path life span |
| CN107370677B (en) * | 2016-05-12 | 2021-01-26 | 西安三星电子研究有限公司 | Method and equipment for determining path survival time by node |
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