CN101207409A - Method for taking business turns and single board - Google Patents

Method for taking business turns and single board Download PDF

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Publication number
CN101207409A
CN101207409A CNA2006101705359A CN200610170535A CN101207409A CN 101207409 A CN101207409 A CN 101207409A CN A2006101705359 A CNA2006101705359 A CN A2006101705359A CN 200610170535 A CN200610170535 A CN 200610170535A CN 101207409 A CN101207409 A CN 101207409A
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veneer
switching services
network element
data
message
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CN101207409B (en
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杨胜强
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The invention belongs to the communication technical field, and provides an operation shifting method and veneers. The method is realized by that: during shifting operation among veneers, when the veneers undergoing the operation shift is an interface veneer, the data sent to the interface veneer is cached into a cache unit of an opposite-end network element which is connected with the interface veneer; when the veneer undergoing the operation shift is of another operation veneer except for the interface veneer, the data sent to the operation veneer undergoing operation shift is cached into a cache unit which is in the same network element with the operation shift veneer; when the operation shift is completed among the veneers, the cached data is sent back to the veneer which finishes the operation shift. Using the invention can avoid operational interrupt during the fault or the update of the operation veneer, and the shifting among the operations.

Description

A kind of method of switching services and a kind of veneer
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and a kind of veneer of switching services.
Background technology
The continuous development of telecommunication technology, many telecommunication apparatus are for expanded function and Added Business, and perhaps telecommunication apparatus is pinpointed the problems in running, all needs upgrading.Than higher, but general telecommunication apparatus all requires 99.999% reliability to telecommunication apparatus to reliability requirement, just the annual break period that only allows 5 minutes.Service outage duration when how to reduce device upgrade, or even non-interrupting service is the thing that telecom equipment manufacturers and operator pay special attention to always in the device upgrade process.
Prior art one: be to guarantee key network element fault or in-service upgrade, network element is carried out the dual system back mechanism, have only main system at ordinary times in work, when the main system fault or when carrying out edition upgrading, system switches to back-up system work.But, need an idle cover back-up system at ordinary times, resource is caused waste.
Prior art two: adopt masterslave switchover mechanism, under normal circumstances, the master is responsible for finishing miscellaneous service with veneer, and key state information is saved on the standby board with the backup path between veneer and standby board by main.When leading with single board default or carrying out edition upgrading, system switches to standby board, and original standby board becomes the master and uses veneer, and original master reduces to standby board with veneer, and the former former head moves on newly leading with veneer with the business of veneer.But, usually the slave unit fault is subjected to the restriction of each side to the time that equipment normally puts into operation during switching, and generally break period is at hundreds of extremely more than several thousand milliseconds, the call request that reports during this period, will abandon, so masterslave switchover can not guarantee that business is unaffected fully.
Summary of the invention
The technical problem that the embodiment of the invention will solve provides a kind of method and a kind of veneer of switching services, obliterated data not in the time of can being implemented in the service board fault or carrying out edition upgrading, thereby non-interrupting service.
For solving the problems of the technologies described above, the objective of the invention is to be achieved through the following technical solutions: the embodiment of the invention provides a kind of method of switching services, comprise: the switching services that receives between first veneer and second veneer begins message, and the data that send to described first veneer are carried out buffer memory;
Receive the switching services end between described first veneer and second veneer, with described data cached described second veneer of finishing switching services that sends to.
The embodiment of the invention also provides a kind of veneer, comprising: receiving element, transmitting element, buffer unit;
Receiving element, when being used to receive switching services between first veneer and second veneer and beginning message, the data forwarding that will send to described first veneer is to buffer unit;
Buffer unit is used to receive data that described receiving element the sends row cache of going forward side by side;
Transmitting element when being used to receive the switching services end between first veneer and second veneer, obtains described data cached and send to described second veneer of finishing switching services from described buffer unit.
Above technical scheme as can be seen, because the present invention has increased buffer unit on service board, when carrying out switching services between veneer, will send to the metadata cache that carries out on the switching services veneer to buffer unit, when finishing switching services between veneer, with described data cached re-sending on the veneer of finishing switching services, prevented in the process of switching services, send to losing of data on the service board.
If it is interface board that the veneer of switching services takes place, with send on the interface board metadata cache to the buffer unit of the opposite end network element of described interface board relevant interface in; If the veneer of generation switching services is other service board except that interface board, with send to the metadata cache that takes place on the switching services service board to described switching services veneer in the buffer unit of same network element, so just guaranteed in same system, veneer breaks down or when upgrading in each network element, do not lose signaling message, thus non-interrupting service, and, the present invention increases buffer unit on the veneer in each network element, so realize simple and reliable.
Description of drawings
Fig. 1 is a flow chart of the present invention;
Fig. 2 is the flow chart of the embodiment of the invention one;
Fig. 3 is the flow chart of the embodiment of the invention two;
The device block diagram of Fig. 4 position a kind of veneer provided by the invention;
Fig. 5 is the device block diagram of the embodiment of the invention one;
Fig. 6 is the device block diagram of the embodiment of the invention two.
Embodiment
The embodiment of the invention provides a kind of method and system of switching services, for making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
With reference to the accompanying drawings, embodiments of the present invention are described in detail:
Referring to Fig. 1, be the flow chart of the embodiment of the invention, specific as follows:
101: broadcast first veneer and second single board service is switched beginning message;
102: the switching services that receives between first veneer and second veneer begins message, and the data that send to described first veneer are carried out buffer memory;
103: the switching services of described first veneer is arrived described second veneer, and broadcasting service was switched end after the switching services between described first veneer and second veneer was finished;
104: receive the switching services end, with described data cached described second veneer that sends to.
Wherein, described network element is retransmitted the signaling buffer memory in order to support, at the network element deployment buffer unit, can manage concentratedly for a plurality of buffer units in the network element, also can bind together with interface separately, realizes Decentralization.
Wherein, the buffer memory duration in buffer unit is a bit larger tham the switching services duration between described first veneer and second veneer, and the duration of switching of veneer can be definite by the maximum duration under the test limits situation.
Wherein, described scheme comprises two kinds of situations, is elaborated with regard to this situation respectively below:
Referring to Fig. 2, be the flow chart of the embodiment of the invention one:
201: broadcast first veneer and second single board service is switched beginning message;
202: the switching services that receives between first veneer and second veneer begins message, will send to the metadata cache of described first veneer in the network element at the described first service board place;
203: with the switching services of described first veneer to described second veneer, finish switching services between described first veneer and second veneer after, broadcasting service is switched end in the network element at the described first veneer place;
204: receive the switching services end, send to described second veneer with being buffered in the data of described first veneer in same network element.
Wherein, described network element is retransmitted the signaling buffer memory in order to support, at the network element deployment buffer unit, can manage concentratedly for a plurality of buffer units in the network element, also can bind together with interface separately, realizes Decentralization.
Wherein, described first veneer is deployed in the system after the buffer unit, message from the interface arrives before this veneer earlier through buffer unit, switch beginning message by broadcasting in the network element before the described first veneer generation switching services, with the buffer unit of the described first veneer relevant interface, the buffer unit of these relevant interfaces enters the activation operating state in the reporting system.
Wherein, the beginning message of switching in the network element comprises: the numbering of switching services veneer and the buffer memory duration in buffer unit take place.The numbering of described veneer can be the slot number that the switching services veneer takes place, and also can be CPUID or the IP address that the switching services veneer takes place, and also can be other signs of the veneer of the described generation switching services of unique identification in system; Buffer memory duration in buffer unit is a bit larger tham the switching services duration between described first veneer and second veneer, and the duration of switching of veneer can be definite by the maximum duration under the test limits situation.
Wherein, after described generation switching services veneer finishes, switch in the end reporting system buffer unit with described generation switching services veneer relevant interface in the network element by broadcasting, the buffer unit of described relevant interface needs at once described data cached sending on the described veneer of finishing switching services entered its idle state after forwarding is finished.
Wherein, described buffer unit is handled according to the principle of first in first out when buffer memory and forwarding data.
Wherein, switch the numbering that end comprises veneer in the described network element, described numbering can be the slot number that the switching services veneer takes place, also can be CPUID or the IP address that the switching services veneer takes place, also can be other signs of the veneer of the described generation switching services of unique identification in system;
Referring to Fig. 3, be the flow chart of the embodiment of the invention two:
301: broadcast first veneer and second single board service is switched beginning message;
302: the switching services that receives between first veneer and second veneer begins message, with the metadata cache that sends to described first veneer to network element that described first service board is connected in;
303: with the switching services of described first veneer to described second veneer, finish switching services between described first veneer and second veneer after, broadcasting service is switched end between network element;
304: receive the switching services end, the data that are buffered in the network element that is connected with described first veneer are sent to described second veneer.
Wherein, described network element is retransmitted the signaling buffer memory in order to support, at the network element deployment buffer unit, can manage concentratedly for a plurality of buffer units in the network element, also can bind together with interface separately, realizes Decentralization.
Wherein, first veneer of described generation switching services and second veneer are deployed in the system before the buffer unit, and the message of coming from interface is without buffer unit, such as interface board.In this case, between described first veneer and second veneer switching services takes place before, by switching the network element that the beginning message informing is connected with described generation switching services veneer between network element, the network element that described and described generation switching services veneer is connected receives after switching services begins message, activate with network element that described generation switching services veneer is connected in buffer unit, buffer memory mails to the described data that the switching services veneer is taking place.
Wherein, switching beginning message between described network element comprises: the numbering between network element, interface index tabulation and buffer memory duration.The numbering of described network element can be the IP address or the signalling point numbering of described generation switching services veneer place network element, also can be other signs of the network element at the described generation switching services of unique expression veneer place in the whole network.
May exist a plurality of interfaces to connect between described two network elements, business in the network element is switched wherein certain some interface of only influence, if the message of broadcasting is not carried the interface index tabulation, then expression is all influenced with the total interface of described generation switching services veneer place network element; Described buffer memory duration is a bit larger tham the duration of described generation switching services, and the described duration of switching can be determined by the maximum duration under the test limits situation.
Wherein, after network element interface is switched end, switch between network element in end notice the whole network and the network element interface affected network element of upgrading by broadcasting, the buffer unit of these network element relevant interfaces needs at once described data cached sending on the described veneer of finishing switching services entered its idle state after forwarding is finished.
Wherein, described buffer unit is handled according to the principle of first in first out when buffer memory and forwarding data.
Wherein, the end of switching between described first network element and second network element comprises: the numbering of network element and interface index tabulation.The numbering of described network element can be the IP address of first network element and second network element or signalling point numbering, also can be in the whole network unique expression first network element and second network element; May exist a plurality of interfaces to connect between described two network elements, the business in the network element is switched wherein certain some interface of only influence, if the message of broadcasting is not carried the interface index tabulation, represents that then the total interface of first network element and second network element is all influenced.
Referring to Fig. 4, the installation drawing for a kind of veneer provided by the invention comprises: receiving element 401, transmitting element 403, buffer unit 402;
Receiving element 401, when being used to receive switching services between first veneer and second veneer and beginning message, the data forwarding that will send to described first veneer is to buffer unit 402;
Buffer unit 402 is used to receive data that described receiving element 401 the sends row cache of going forward side by side;
Transmitting element 403 when being used to receive the switching services end between first veneer and second veneer, obtains described data cached and send to described second veneer of finishing switching services from described buffer unit 402.
Wherein, when first veneer of described generation switching services and second veneer are interface board, with described veneer not in same network element; When first veneer of described generation switching services and second veneer are service board except that interface board, with described veneer in same network element.Be interface board to described first veneer and second veneer below, perhaps described first veneer and second veneer are other business board except that interface board, enumerate embodiment respectively and are elaborated:
Referring to Fig. 5, when described first veneer and second veneer are other service boards except that interface board, the block diagram that the embodiment of the invention two provides, specific as follows:
Described device comprises: first interface 501, first veneer 503, second veneer 504, and described first interface 501 comprises first buffer unit 502;
Described first veneer 503 is used for receiving data by first interface 501, and the industry of going forward side by side is engaged in handling, and in the time can not receiving data, switches the business to second veneer 504;
First buffer unit 502, when being used for first veneer 503 and first veneer, 504 generation switching services, the data that will send to first veneer 503 by first interface 501 are carried out buffer memory, first veneer 503 and second veneer 504 are switched when finishing, and more described data in buffer are sent to second veneer 504.
Wherein, described first veneer 503 and second veneer 504 are deployed in the system after first buffer unit 502, message from the interface arrives before described first veneer 503 and second veneer 504 earlier through first buffer unit 502, described first veneer 503 and second veneer 504 take place to switch beginning message by broadcasting service before the switching services, the buffer unit 502 of first interface 501 that is connected with described first veneer 503 in the reporting system, described first buffer unit 502 enters the activation operating state.
Wherein, the described beginning message of switching comprises: first veneer 503 of switching services and the numbering and the buffer memory duration in first buffer unit 502 of second veneer 504 take place.The numbering of described first veneer 503 and second veneer 504 can be the slot number of self, also can be the CPUID or the IP address of first veneer 503 and second veneer 504, also can be in system described first veneer 503 of unique identification and second veneer 504; Described buffer memory duration in first buffer unit 502 is a bit larger tham the switching services duration between described first veneer 503 and second veneer 504, and the switching services duration of first veneer 503 and second veneer 504 can be determined by the maximum duration under the test limits situation.
Wherein, after described first veneer 503 and the 504 generation switching services end of second veneer, switch the buffer unit 502 of first interface 501 that is connected with second veneer 504 with described first veneer 503 in the end reporting system by broadcasting, the buffer unit 502 of described first interface 501 needs at once will be described data cached sending on described second veneer 504 of finishing switching services, and described first buffer unit 502 enters its idle state being sent completely afterwards.
Wherein, describedly switch the numbering that end comprises first veneer 503 and second veneer 504, described numbering can be the slot number of described first veneer 503 and second veneer 504, also can be the CPUID or the IP address of described first veneer 503 and second veneer 504, also can be in system described first veneer 503 of unique identification and second veneer 504;
Referring to Fig. 6, when described first veneer and second veneer are interface, the block diagram that the embodiment of the invention one provides, specific as follows:
Described system comprises: first network element 604, second network element 603;
Described first network element 604 comprises: first veneer 503, second veneer 504; Described second network element 603 comprises: second buffer unit 601 of second interface 602;
First veneer 503 is used to receive data, and the industry of going forward side by side is engaged in handling, and in the time can not receiving data, switches the business to second veneer 504;
Second buffer unit 601, when being used for first veneer 503 and first veneer, 504 generation switching services, the data that will send to first veneer 503 by second interface 602 are carried out buffer memory, when first veneer 503 and second veneer, 504 switching services finish, more described data in buffer is sent to second veneer 504.
Wherein, when described first veneer 503 and second veneer, 504 operate as normal, second buffer unit 601 of described second interface 602 places idle condition.
Wherein, first veneer 503 of described generation switching services and second veneer 504 are interface board, in this case, before described first veneer 503 and 504 generations of second veneer switching services, switch described second network element 603 of beginning message informing by broadcasting first network element 604 and 603 of second network elements, described second network element notifies second buffer unit 601 of second interface 602 to enter the activation operating state after receiving and switching beginning message between network element, and buffer memory mails to the described data that the switching services veneer is taking place.
Wherein, the beginning message of switching between described first network element 604 and second network element 603 comprises: the numbering between network element, interface index tabulation and buffer memory duration.The numbering of described network element can be the IP address of described first network element 604 and second network element 603 or signalling point numbering, also can be in the whole network described first network element 604 of unique expression and second network element 603.
Wherein, may exist a plurality of interfaces to connect between described first network element 604 and second network element 603, business in the network element is switched wherein certain some interface of only influence, if the message of broadcasting is not carried the interface index tabulation, represent that then the total interface of first network element 604 and second network element 603 is all influenced; Described buffer memory duration is a bit larger tham the duration that switching services takes place between described first veneer 603 and second veneer 504, can determine by the maximum duration under the test limits situation.
Wherein, after switching end between described first veneer 503 and second veneer 504, switch second network element 603 in the end reporting system by broadcasting, 601 quarters of second buffer unit of second interface 602 in second network element 603, second buffer unit 601 entered its idle state then with described data cached sending on described second veneer 504.
Wherein, the end of switching between described first network element 604 and second network element 603 comprises: the numbering of network element and interface index tabulation.The numbering of described network element can be the IP address of described first network element 604 and second network element 603 or signalling point numbering, also can be in the whole network described first network element 604 of unique expression and second network element 603; May exist a plurality of interfaces to connect between described first network element 604 and second network element 603, business in the network element is switched wherein certain some interface of only influence, if the message of broadcasting is not carried the interface index tabulation, then expression is all influenced with the total interface of described generation switching services veneer place network element.
Wherein, first veneer 503 of the present invention and the service board of second veneer 504 for having the master-slave redundancy function on the same veneer, under normal circumstances, first veneer 503 is the main veneer of using, second veneer 504 is a standby board, breaks down or upgrades with veneer when main, between described first veneer 503 and second veneer 504 switching services takes place, former first veneer 503 becomes new standby board after finishing switching services, and former second veneer 504 becomes new master and uses veneer.
More than method and a kind of veneer of a kind of switching services provided by the present invention is described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (9)

1. the method for a switching services is characterized in that, comprising:
The switching services that receives between first veneer and second veneer begins message, and the data that send to described first veneer are carried out buffer memory;
Receive the switching services end between described first veneer and second veneer, with described data cached described second veneer of finishing switching services that sends to.
2. method according to claim 1 is characterized in that, the switching services between described reception first veneer and second veneer begins to comprise before the message:
The switching services of broadcasting between first veneer and second veneer begins message.
3. method according to claim 1, it is characterized in that, the described data that will send to described first veneer are carried out buffer memory, comprising: will send to the data of described first veneer, and be cached in the adjacent network element with described first veneer and the second veneer place network element.
4. method according to claim 1 is characterized in that, the described data that will send to described first veneer are carried out buffer memory, comprising: will send to the data of described first veneer, and be cached in the network element at described first veneer and the second veneer place.
5. method according to claim 1 is characterized in that, described switching services begins message and the message of switching services end for broadcasting, the message of perhaps broadcasting between network element in network element.
6. a veneer is characterized in that, described veneer comprises: receiving element, transmitting element, buffer unit;
Receiving element, when being used to receive switching services between first veneer and second veneer and beginning message, the data forwarding that will send to described first veneer is to buffer unit;
Buffer unit is used to receive data that described receiving element the sends row cache of going forward side by side;
Transmitting element when being used to receive the switching services end between first veneer and second veneer, obtains described data cached and send to described second veneer of finishing switching services from described buffer unit.
7. veneer according to claim 6 is characterized in that, described veneer is interface board or the service board except that interface board.
8. veneer according to claim 6, it is characterized in that described first veneer and second veneer are provided with numbering, when switching services takes place, according to the numbering identification path of described first veneer and second veneer, the message that mails to described first veneer is carried out buffer memory.
9. veneer according to claim 6 is characterized in that, described being numbered: slot number or CPUID or IP address or with described generation switching services veneer place system in unique sign.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010148775A1 (en) * 2009-06-25 2010-12-29 中兴通讯股份有限公司 Method for communication system service upgrade and upgrade container device thereof
CN102035671A (en) * 2010-10-15 2011-04-27 中兴通讯股份有限公司 Method and system for hot backup
CN102546252A (en) * 2012-01-04 2012-07-04 华为技术服务有限公司 Network element upgrading method, device and network management system
WO2017101567A1 (en) * 2015-12-17 2017-06-22 中兴通讯股份有限公司 Signalling tracking method and device

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Publication number Priority date Publication date Assignee Title
CN100362757C (en) * 2003-09-01 2008-01-16 华为技术有限公司 Master stand-by inkage switching method of cascade one-board
CN100342666C (en) * 2004-05-10 2007-10-10 华为技术有限公司 Rearrangement method in communication system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010148775A1 (en) * 2009-06-25 2010-12-29 中兴通讯股份有限公司 Method for communication system service upgrade and upgrade container device thereof
CN102035671A (en) * 2010-10-15 2011-04-27 中兴通讯股份有限公司 Method and system for hot backup
CN102035671B (en) * 2010-10-15 2016-05-25 中兴通讯股份有限公司 A kind of method and system of Hot Spare
CN102546252A (en) * 2012-01-04 2012-07-04 华为技术服务有限公司 Network element upgrading method, device and network management system
CN102546252B (en) * 2012-01-04 2015-04-29 华为技术服务有限公司 Network element upgrading method, device and network management system
WO2017101567A1 (en) * 2015-12-17 2017-06-22 中兴通讯股份有限公司 Signalling tracking method and device

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