CN106209469A - The method and device that process is restarted - Google Patents
The method and device that process is restarted Download PDFInfo
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- CN106209469A CN106209469A CN201610589636.3A CN201610589636A CN106209469A CN 106209469 A CN106209469 A CN 106209469A CN 201610589636 A CN201610589636 A CN 201610589636A CN 106209469 A CN106209469 A CN 106209469A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The application provides the method and device that a kind of process is restarted, described method to include: when routing daemon is restarted, determine whether described routing daemon restarts due to process exception；If it is determined that described routing daemon is restarted due to process exception, preserve original routing forwarding information；According to the Routing Protocol applied, perform the smooth restarting GR process corresponding to described Routing Protocol.Application the method, it is possible to achieve when routing daemon occurs abnormal, during routing daemon is restarted, Network Abnormal can be effectively prevented from, it is achieved network traffics forward does not interrupts, and can reduce the load pressure of routing device.
Description
Technical field
The application relates to network communication technology field, the method and device that the process of particularly relating to is restarted.
Background technology
In prior art, after routing daemon occurs extremely, the following two kinds scheme can be taked, so that network recovery is just
Often.Scheme one: arrange monitoring process, when monitoring process detects routing daemon exception, then restarts routing daemon.Routing daemon
After restarting, by relearning, neighborhood can be recovered so that network recovery is normal.Scheme two: by Routing Protocol correlation-like
State information is backed up in realtime.After routing daemon occurs extremely, can be by the information backed up in advance, instant recovery route is each
Item is arranged so that network recovery is normal.
But, in such scheme one, although network recovery may finally be made normal, but owing to route relearns,
To cause within a period of time, and still can there is Network Abnormal, cause network traffic interruption；In such scheme two, due to now
Procotol is more complicated, and the quantity of information needing backup is very big, thus routing device causes great load pressure.
Summary of the invention
In view of this, the application provides the method and device that a kind of process is restarted, to realize when routing daemon occurs abnormal,
During routing daemon is restarted, Network Abnormal can be effectively prevented from, it is achieved network traffics forward does not interrupts, and permissible
Reduce the load pressure of routing device.
Specifically, the application is achieved by the following technical solution:
First aspect according to the embodiment of the present application, it is provided that a kind of method that process is restarted, described method includes:
When routing daemon is restarted, determine whether described routing daemon restarts due to process exception；
If it is determined that described routing daemon is restarted due to process exception, preserve original routing forwarding information；
According to the Routing Protocol applied, perform the smooth restarting GR process corresponding to described Routing Protocol.
Optionally, described determine whether described routing daemon restarts due to process exception, including:
Determine whether the parameter causing process to be restarted for representing process exception to be detected；
If described parameter being detected, it is determined that described routing daemon is to restart due to process exception, if being not detected by institute
State parameter, it is determined that described routing daemon is not due to process exception and restarts.
Optionally, the monitoring week pre-set according to the described parameter causing process to be restarted for representing process exception
Phase, after monitoring the generation extremely of described routing daemon, the parameter generated.
Optionally, the described monitoring cycle is less than the time-out time of described Routing Protocol；
Described method also includes:
When the time-out time of described Routing Protocol reduces, according to the first default rule, reduce the described monitoring cycle；
When the time-out time of described Routing Protocol increases, according to default Second Rule, increase the described monitoring cycle,
Or, keep the described monitoring cycle constant.
Optionally, described method also includes:
If it is determined that described routing daemon is not due to process exception and restarts, the most do not perform described smooth restarting GR process.
Second aspect according to the embodiment of the present application, it is provided that the device that a kind of process is restarted, it is characterised in that described device
Including:
Determine unit, for when routing daemon is restarted, determine whether described routing daemon restarts due to process exception；
Storage unit, for if it is determined that described routing daemon is restarted due to process exception, preserves original routing forwarding
Information；
Processing unit, for according to the Routing Protocol applied, performs the smooth restarting GR corresponding to described Routing Protocol
Process.
Optionally, described determine that unit includes:
Detection sub-unit, is used to determine whether the parameter causing process to be restarted for representing process exception to be detected；
Determine subelement, if for described parameter being detected, it is determined that described routing daemon is to open due to process exception
Dynamic, if being not detected by described parameter, it is determined that described routing daemon is not due to process exception and restarts.
Optionally, the monitoring week pre-set according to the described parameter causing process to be restarted for representing process exception
Phase, after monitoring the generation extremely of described routing daemon, the parameter generated.
Optionally, the described monitoring cycle is less than the time-out time of described Routing Protocol；
Described device also includes:
Adjustment unit, for when the time-out time of described Routing Protocol reduces, according to the first default rule, reduces institute
State the monitoring cycle；
When the time-out time of described Routing Protocol increases, according to default Second Rule, increase the described monitoring cycle,
Or, keep the described monitoring cycle constant.
Optionally, described processing unit, it is additionally operable to:
If it is determined that described routing daemon is not due to process exception and restarts, the most do not perform described smooth restarting GR process.
As seen from the above-described embodiment, it is determined by routing daemon when being to restart due to process exception, controls to forward
Aspect preserves original routing forwarding information, so that routing device still can forward network traffics normally, and
Owing to saving original routing forwarding information, then the Routing Protocol that routing device can be applied according to it, perform correspondence
Smooth restarting GR process, to realize notifying that its neighbor device keeps self constant with the neighborhood of this routing device, and assists
This routing device returns to the state before routing daemon is restarted, and does not interrupts it is achieved thereby that forward, and efficiently avoid in route
Process restarting process causes Network Abnormal；Further, owing to need not route stand-by protocol-related conditions information in real time, thus
Reduce the load pressure of routing device.
Accompanying drawing explanation
Fig. 1 illustrates an embodiment flow chart of the method that the application process is restarted；
Fig. 2 illustrates another embodiment flow chart of the method that the application process is restarted；
Fig. 3 is a kind of hardware structure diagram of the device place network equipment that the application process is restarted；
Fig. 4 illustrates an embodiment block diagram of the device that the application process is restarted；
Fig. 5 illustrates another embodiment block diagram of the device that the application process is restarted.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they are only with the most appended
The example of the apparatus and method that some aspects that described in detail in claims, the application are consistent.
It is only merely for describing the purpose of specific embodiment at term used in this application, and is not intended to be limiting the application.
" a kind of ", " described " and " being somebody's turn to do " of singulative used in the application and appended claims is also intended to include majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
Any or all containing one or more projects of listing being associated may combination.
Although should be appreciated that in the application possible employing term first, second, third, etc. to describe various information, but this
A little information should not necessarily be limited by these terms.These terms are only used for same type of information is distinguished from each other out.Such as, without departing from
In the case of the application scope, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depend on linguistic context, word as used in this " if " can be construed to " ... time " or " when ...
Time " or " in response to determining ".
When the routing daemon in routing device is restarted, this routing device can and its neighbor device between re-establish neighbour
Occupy relation, and re-start router-level topology, re-establish routing forwarding information.In this process, forwarding will be caused to interrupt, make
Become Network Abnormal.For catenet, such as a carrier network, forward interrupt and Network Abnormal will result in serious after
Really.Therefore, during restarting at routing daemon, cause forwarding to interrupt, cause Network Abnormal, can be that route sets
Standby configuration GR (Graceful Restart, smooth restarting) function.
GR is a kind of guarantee unbroken mechanism of forwarding service when agreement is restarted.By enabling GR, when certain routing device
Carry out agreement when restarting, it is possible to notify neighborhood that its neighbor device keeps self with this routing device within a certain period of time,
And routing forwarding Information invariability.After agreement has been restarted, neighbor device can also aid in this routing device, and to carry out information extensive
Multiple, within the shortest time so that this routing device returns to the state before restarting.In whole agreement restarting process, whole
Individual system still can continual E-Packet, thus does not results in Network Abnormal, such as network oscillation.
But, along with development and the complexity of network size are more and more higher, Routing Protocol, such as OSPF (Open
Shortest Path First, ospf) agreement obtained increasing application.For some reason,
Routing Protocol is operationally likely occurred exception, causes routing daemon abnormal, needs to restart.And on road like this
During being restarted due to exception by process, then cannot interrupt and Network Abnormal to avoid forwarding by enabling GR.
In order to solve the problems referred to above, the application provides the method and device that a kind of process is restarted, to realize working as routing daemon
Occur abnormal, during routing daemon is restarted, Network Abnormal can be effectively prevented from, it is achieved network traffics are not interrupted, and
And the load pressure of routing device can be reduced.
As follows, the method restarted process provided herein from following embodiment is illustrated.
Referring to Fig. 1, illustrate an embodiment flow chart of the method that the application process is restarted, this flow process can include
Following steps:
Step S101: when routing daemon is restarted, determines whether described routing daemon restarts due to process exception.
In the application, produced parameter when can be restarted by routing daemon, determine that routing daemon is owing to process is different
Often restart, be still normally carried out restarting.The detailed description of produced parameter, Ke Yican when restarting particularly with regard to routing daemon
Seeing associated description of the prior art, this is not described in detail by the application.
Step S102: if it is determined that described routing daemon is restarted due to process exception, preserves original routing forwarding information.
When determining that routing daemon is restarted due to process exception, routing device still preserves original routing forwarding information not
Become, thus, this routing device still can forward network traffics according to this routing forwarding information, interrupts to avoid producing forwarding,
Avoid result in Network Abnormal.
Step S103: according to the Routing Protocol applied, perform the smooth restarting GR process corresponding to described Routing Protocol.
Restart owing to routing daemon is because exception, then routing device still needs between original neighbor device again
Set up neighborhood.Now, then corresponding smooth restarting GR process can be performed according to the Routing Protocol applied.Such as, institute
The Routing Protocol of application is ospf protocol.When routing daemon is restarted due to exception, routing device is noticed its neighbor device and is existed
In certain time, keeping self constant with the neighborhood of this routing device, this routing device is within described certain time, still
Use the routing forwarding information preserved in step S102 to forward network traffics, and complete to restart.After having restarted, notice neighbour
The equipment of residence has been restarted, and can receive the recent route information that neighbor device sends, to complete self routing forwarding information more
Newly.
As seen from the above-described embodiment, it is determined by routing daemon when being to restart due to process exception, controls to forward
Aspect preserves original routing forwarding information, so that routing device still can forward network traffics normally, and
Owing to saving original routing forwarding information, then the Routing Protocol that routing device can be applied according to it, perform correspondence
Smooth restarting GR process, to realize notifying that its neighbor device keeps self constant with the neighborhood of this routing device, and assists
This routing device returns to the state before routing daemon is restarted, and does not interrupts it is achieved thereby that forward, and efficiently avoid in route
Process restarting process causes Network Abnormal；Further, owing to need not route stand-by protocol-related conditions information in real time, thus
Reduce the load pressure of routing device.
Referring to Fig. 2, illustrate another embodiment flow chart of the method that the application process is restarted, this flow process is above-mentioned
On the basis of flow process shown in Fig. 1, the method that the process of describe in further detail is restarted, may comprise steps of:
Step S201: according to the monitoring cycle pre-set, whether monitoring routing daemon occurs exception.
In an optional implementation, monitoring process can be preset.This monitoring process is at set intervals, the most permissible
Whether the lower routing daemon of monitoring there is exception." a period of time " mentioned here is properly termed as the monitoring cycle of monitoring process, and
And can dynamically configure this monitoring cycle according to the time-out time of the Routing Protocol that routing device is applied.Need explanation
It is that, in order to ensure that monitoring process can monitor routing daemon and occur abnormal, this monitoring cycle can be less than described Routing Protocol
Time-out time.The time-out time of the Routing Protocol applied according to routing device dynamically configures this monitoring cycle, specifically may be used
To include:
When the time-out time of Routing Protocol reduces, then can reduce monitoring cycle, example according to the first default rule
Such as, it is assumed that the current time-out time of Routing Protocol, reducing 5% compared to time-out time before, this 5% can be by (before
Time-out time-current time-out time)/time-out time * 100% before calculates.Assume that the first rule preset is: will
The monitoring cycle reduces according to identical ratio with time-out time.The monitoring cycle after reduction that then can draw is: before
Monitoring cycle * (1-5%).By when the time-out time of Routing Protocol reduces, it is also carried out reducing operation the monitoring cycle, permissible
Ensure the monitoring cycle time-out time less than Routing Protocol so that monitoring process can monitor routing daemon and occur abnormal.
When the time-out time of Routing Protocol increases, then can increase the monitoring cycle according to default Second Rule.Example
Such as, it is assumed that the current time-out time of Routing Protocol, increasing 5% compared to time-out time before, this 5% can be by (current
The time-out time of time-out time-before)/time-out time * 100% before calculates.Assume that the Second Rule preset is: will
The monitoring cycle increases according to identical ratio with time-out time.The monitoring cycle after increase that then can draw is: before
Monitoring cycle * (1+5%).By when the time-out time of Routing Protocol increases, it is also carried out the monitoring cycle increasing operation so that
The frequency that monitoring process runs reduces, such that it is able to reduce the loss of routing device.
It is understood that when the time-out time of Routing Protocol increases, it is also possible to the monitoring cycle keeping current is constant.
Monitoring cycle of keeping current is constant still can ensure that the monitoring cycle time-out time less than Routing Protocol so that monitoring process
Routing daemon can be monitored and occur abnormal.
Step S202: after monitoring the generation extremely of described routing daemon, be used for described in generation representing that process exception is led
The parameter that cause process is restarted.
Step S203: when routing daemon is restarted, it is determined whether detect for representing that process exception causes process weight
The parameter opened, if described parameter being detected, then performs step S204, otherwise, performs step S206.
In this application, in order to distinguish the reason that routing daemon is restarted, can when monitoring route and carrying out occurring abnormal,
Generate the parameter causing process to be restarted for representing process exception.Thus, routing device can be by whether detect this ginseng
Whether number, be abnormal owing to occurring to determine that the routing daemon of self carries out restarting.
Step S204: determine that described routing daemon is to restart due to process exception, preserve original routing forwarding information.
Step S205: according to the Routing Protocol applied, perform the smooth restarting GR process corresponding to described Routing Protocol；
Terminate flow process.
The detailed description of step S204 and step S205 may refer to the detailed description of above-mentioned steps S102 and step S103,
Do not remake at this and be described in detail.
Step S206: determine that described routing daemon is not due to process exception and restarts, the most do not perform described smooth restarting
GR process.
In this application, when determining routing daemon to be not due to process exception and to restart, then can not perform smooth weight
Open GR process, to avoid applying smooth restarting GR process, cause routing protocol convergence time to be slowed down, reduce the forwarding of routing device
Efficiency.
When determining routing daemon to be not due to process exception and to restart, routing device can be with neighbor device according to being answered
By the rule of agreement, normally carry out protocol interaction with neighbor device.Such as, protocol keep-alive message, study route etc. are sent.
As seen from the above-described embodiment, by periodically monitoring, it appeared that whether routing daemon occurs exception；Work as monitoring
To routing daemon occur abnormal time, generate the parameter causing process to be restarted for representing process exception, to realize according to this ginseng
Number, determining that routing daemon carries out restarting is due to process exception；When determine routing daemon carry out restarting be due to process exception time,
Original routing forwarding information is preserved, so that routing device still can forward network flow normally by controlling forwarding plane
Amount, and owing to saving original routing forwarding information, then the Routing Protocol that routing device can be applied according to it, perform
Corresponding smooth restarting GR process, to realize notifying that its neighbor device keeps self constant with the neighborhood of this routing device,
And assist this routing device to return to the state before routing daemon is restarted, do not interrupt it is achieved thereby that forward, efficiently avoid
Network Abnormal is caused in routing daemon restarting process；Further, owing to need not route stand-by protocol-related conditions letter in real time
Breath, thus reduce the load pressure of routing device.
The embodiment of the method restarted with aforementioned process is corresponding, the enforcement of the device that the process of present invention also provides is restarted
Example.
The embodiment of the device that the application process is restarted can be applied at the network equipment, such as on routing device.Device is real
Execute example to be realized by software, it is also possible to realize by the way of hardware or software and hardware combining.As a example by implemented in software, make
It is the device on a logical meaning, is that the processor by its place network equipment is by meter corresponding in nonvolatile memory
Calculation machine programmed instruction reads and runs formation in internal memory.For hardware view, as it is shown on figure 3, restart for the application process
A kind of hardware structure diagram of the device place network equipment, except the processor 31 shown in Fig. 3, internal memory 32, network interface 33, with
And outside nonvolatile memory 34, in embodiment, the network equipment at device place is generally according to the actual merit of this network equipment
Can, it is also possible to include other hardware, this is repeated no more.
Referring to Fig. 4, illustrate an embodiment block diagram of the device that the application process is restarted, this device can include really
Cell 41, storage unit 42, processing unit 43.
Wherein it is determined that unit 41, may be used for when routing daemon is restarted, determine that whether described routing daemon is due to process
Extremely restart；
Storage unit 42, may be used for, if it is determined that described routing daemon is restarted due to process exception, preserving original road
By forwarding information；
Processing unit 43, may be used for, according to the Routing Protocol applied, performing smoothing corresponding to described Routing Protocol
Restart GR process.
Refer to Fig. 5, illustrate another embodiment block diagram of the device that the application process is restarted, the dress shown in this Fig. 5
Put on the basis of above-mentioned Fig. 4 shown device, wherein,
Described determine unit 41, may include that detection sub-unit 411, determine subelement 412.
Wherein, this detection sub-unit 411, can be used to determine whether to detect for representing that process exception causes process
The parameter restarted；
This determines subelement 412, if may be used for described parameter being detected, it is determined that described routing daemon is due to process
Extremely start, if being not detected by described parameter, it is determined that described routing daemon is not due to process exception and restarts.
In one embodiment, pre-set according to the described parameter causing process to be restarted for representing process exception
The monitoring cycle, after monitoring the generation extremely of described routing daemon, the parameter generated.
In another embodiment, the described monitoring cycle is less than the time-out time of described Routing Protocol；
Described device can also include (not shown in Fig. 5): adjustment unit.
This adjustment unit, may be used for when the time-out time of described Routing Protocol reduces, according to the first default rule,
Reduce the described monitoring cycle；
When the time-out time of described Routing Protocol increases, according to default Second Rule, increase the described monitoring cycle,
Or, keep the described monitoring cycle constant.
In another embodiment, this processing unit 43, it is also possible to be used for: if it is determined that described routing daemon is not due to process
Extremely restart, the most do not perform described smooth restarting GR process.
In said apparatus, the function of unit and the process that realizes of effect specifically refer to corresponding step in said method
Realize process, do not repeat them here.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part sees method in fact
The part executing example illustrates.Device embodiment described above is only schematically, wherein said as separating component
The unit illustrated can be or may not be physically separate, and the parts shown as unit can be or can also
It not physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Can be according to reality
Need to select some or all of module therein to realize the purpose of the application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, i.e. it is appreciated that and implements.
The foregoing is only the preferred embodiment of the application, not in order to limit the application, all essences in the application
Within god and principle, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the application protection.
Claims (10)
1. the method that a process is restarted, it is characterised in that described method includes:
When routing daemon is restarted, determine whether described routing daemon restarts due to process exception；
If it is determined that described routing daemon is restarted due to process exception, preserve original routing forwarding information；
According to the Routing Protocol applied, perform the smooth restarting GR process corresponding to described Routing Protocol.
Method the most according to claim 1, it is characterised in that described determine that whether described routing daemon is due to process exception
And restart, including:
Determine whether the parameter causing process to be restarted for representing process exception to be detected；
If described parameter being detected, it is determined that described routing daemon is to restart due to process exception, if being not detected by described ginseng
Number, it is determined that described routing daemon is not due to process exception and restarts.
Method the most according to claim 2, it is characterised in that described for representing that process exception causes process to be restarted
The monitoring cycle pre-set according to parameter, after monitoring the generation extremely of described routing daemon, the parameter generated.
Method the most according to claim 3, it is characterised in that when the described monitoring cycle is less than described Routing Protocol overtime
Between；
Described method also includes:
When the time-out time of described Routing Protocol reduces, according to the first default rule, reduce the described monitoring cycle；
When the time-out time of described Routing Protocol increases, according to default Second Rule, increase the described monitoring cycle, or, protect
Hold the described monitoring cycle constant.
Method the most according to claim 1, it is characterised in that described method also includes:
If it is determined that described routing daemon is not due to process exception and restarts, the most do not perform described smooth restarting GR process.
6. the device that a process is restarted, it is characterised in that described device includes:
Determine unit, for when routing daemon is restarted, determine whether described routing daemon restarts due to process exception；
Storage unit, for if it is determined that described routing daemon is restarted due to process exception, preserves original routing forwarding information；
Processing unit, for according to the Routing Protocol applied, performs the smooth restarting GR process corresponding to described Routing Protocol.
Device the most according to claim 6, it is characterised in that described determine that unit includes:
Detection sub-unit, is used to determine whether the parameter causing process to be restarted for representing process exception to be detected；
Determine subelement, if for described parameter being detected, it is determined that described routing daemon is to start due to process exception, if
It is not detected by described parameter, it is determined that described routing daemon is not due to process exception and restarts.
Device the most according to claim 7, it is characterised in that described for representing that process exception causes process to be restarted
The monitoring cycle pre-set according to parameter, after monitoring the generation extremely of described routing daemon, the parameter generated.
Device the most according to claim 8, it is characterised in that when the described monitoring cycle is less than described Routing Protocol overtime
Between；
Described device also includes:
Adjustment unit, for when the time-out time of described Routing Protocol reduces, according to the first default rule, reduces described prison
The survey cycle；
When the time-out time of described Routing Protocol increases, according to default Second Rule, increase the described monitoring cycle, or, protect
Hold the described monitoring cycle constant.
Device the most according to claim 6, it is characterised in that described processing unit, is additionally operable to:
If it is determined that described routing daemon is not due to process exception and restarts, the most do not perform described smooth restarting GR process.
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| CN113055196A (en) * | 2019-12-28 | 2021-06-29 | 华为技术有限公司 | Message processing method, network device and computer readable storage medium |
| CN113179211A (en) * | 2021-04-23 | 2021-07-27 | 北京汇钧科技有限公司 | Method and device for routing and for establishing communication connection |
| CN113300950A (en) * | 2020-04-01 | 2021-08-24 | 阿里巴巴集团控股有限公司 | Data processing method and device, electronic equipment and computer readable medium |
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| CN110381042A (en) * | 2019-07-01 | 2019-10-25 | 北京字节跳动网络技术有限公司 | A kind of method, apparatus, medium and the electronic equipment of smooth restarting service |
| CN110381042B (en) * | 2019-07-01 | 2021-11-12 | 北京字节跳动网络技术有限公司 | Graceful restart service method, device, medium and electronic equipment |
| CN113055196A (en) * | 2019-12-28 | 2021-06-29 | 华为技术有限公司 | Message processing method, network device and computer readable storage medium |
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| CN113300950B (en) * | 2020-04-01 | 2023-03-24 | 阿里巴巴集团控股有限公司 | Data processing method and device, electronic equipment and computer readable medium |
| CN113179211A (en) * | 2021-04-23 | 2021-07-27 | 北京汇钧科技有限公司 | Method and device for routing and for establishing communication connection |
| CN113179211B (en) * | 2021-04-23 | 2024-04-09 | 北京汇钧科技有限公司 | Method and device for routing and for setting up a communication connection |
| CN114338505A (en) * | 2021-12-01 | 2022-04-12 | 杭州迪普科技股份有限公司 | Route calculation method, device, storage medium and computer equipment |
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Address after: Binjiang District and Hangzhou city in Zhejiang Province Road 310051 No. 68 in the 6 storey building Applicant after: Hangzhou Dipu Polytron Technologies Inc Address before: Binjiang District and Hangzhou city in Zhejiang Province Road 310051 No. 68 in the 6 storey building Applicant before: Hangzhou Dipu Technology Co., Ltd. |
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Application publication date: 20161207 |