CN105939263A - Message sending method and device - Google Patents
Message sending method and device Download PDFInfo
- Publication number
- CN105939263A CN105939263A CN201510493453.7A CN201510493453A CN105939263A CN 105939263 A CN105939263 A CN 105939263A CN 201510493453 A CN201510493453 A CN 201510493453A CN 105939263 A CN105939263 A CN 105939263A
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- Prior art keywords
- destination address
- route
- message
- searching result
- route searching
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/54—Organization of routing tables
Abstract
The invention provides a message sending method and device. The method comprises the steps of judging whether a routing change will influence a routing search result of a preset destination address or not when the routing change is detected; updating the cached routing search result of the preset destination address according to the routing change if the routing change will influence the routing search result; and sending a message according to the cached routing search result. Through application of the method and the device provided by the embodiment of the invention, the message sending accuracy can be ensured, and moreover, the loss of the device performance can be reduced.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to a kind of file transmitting method and device.
Background technology
For the network equipment, sending message is its most basic function.For correctly sending message, network sets
For not only needing safeguard route entry substantial amounts and change routing table frequently, and need sending report
Wen Shi, obtains correct path by searching routing table.
In some cases, the network equipment may be concentrated and send a large amount of report to some specific destination address
Literary composition, such as this destination address are certain large server or gateway address, or the network equipment may need
Various equipment operating statistic information are sent, now, if the network equipment sends report every time to these destination addresses
Routing table all searched in literary composition, then can reduce the efficiency that message sends, and, frequently search routing table, also can
Huge performance is brought to be lost.
For above-mentioned situation, by the side of the route searching result of caching specific purpose address in prior art
Formula improves the transmitting efficiency of message, and reduces and frequently search the performance loss that routing table is brought, i.e. for
Specific purpose address, after the route searching result finding correspondence, caches this route searching result, and
Route searching result according to caching carries out follow-up message and sends.Wherein, in order to ensure what message sent
Correctness, the network equipment can update the route searching result of caching by intervalometer timing.
But practice finds, in the message transmitting party case of above-mentioned cache routing lookup result, if intervalometer
Timing cycle is oversize, and before being likely to appear in the route searching result renewal of caching, network topology occurs
Change, causes message to send the situation of mistake；If the timing cycle of intervalometer is the shortest, then can add macroreticular
The performance loss of equipment.
Summary of the invention
The present invention provides a kind of file transmitting method and device, existing by cache routing lookup knot to solve
In the message transmitting party case of fruit, it is impossible to take into account and improve message transmission correctness and reduce equipment performance loss
Problem.
First aspect according to embodiments of the present invention, it is provided that a kind of file transmitting method, including:
When route change being detected, it is judged that whether the change of described route can affect default destination address
Route searching result；
If so, the route querying knot of the described default destination address of caching is updated according to described route change
Really；
Route searching result according to caching carries out message transmission.
Second aspect according to embodiments of the present invention, it is provided that a kind of packet transmission device, including:
Judging unit, for when detecting route change, it is judged that whether the change of described route can affect pre-
If the route searching result of destination address；
Updating block, for affecting the route searching result of default destination address when described route change
Time, the route searching result of the described default destination address of caching is updated according to described route change；
Transmitting element, for carrying out message transmission according to the route searching result of caching.
The application embodiment of the present invention, when detecting route change, it can be determined that whether the change of this route can
Have influence on the route searching result of default destination address, and when being judged as YES, to be cached to preset
The route searching result of destination address is updated, when route change does not affects route searching result, no
Need route searching result is updated, shield unrelated route change, reduce route searching result
Useless renewal, ensure caching route searching result correctness while, reduce cache way
The performance loss brought by the renewal of lookup result；Simultaneously as the network equipment can be according to the road of caching
Carried out message transmission by lookup result, all carry out routing table lookup without sending message every time, improve
The transmitting efficiency of message.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of a kind of file transmitting method that the embodiment of the present invention provides；
Fig. 2 is the schematic flow sheet of the another kind of file transmitting method that the embodiment of the present invention provides；
Fig. 3 is a kind of hardware structure diagram of the packet transmission device place equipment that the embodiment of the present invention provides；
Fig. 4 is the structural representation of a kind of packet transmission device that the embodiment of the present invention provides；
Fig. 5 is the structural representation of the another kind of packet transmission device that the embodiment of the present invention provides；
Fig. 6 is the structural representation of the another kind of packet transmission device that the embodiment of the present invention provides.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the embodiment of the present invention, and make
The above-mentioned purpose of the embodiment of the present invention, feature and advantage can become apparent from understandable, the most right
In the embodiment of the present invention, technical scheme is described in further detail.
Refer to Fig. 1, the schematic flow sheet of a kind of file transmitting method provided for the embodiment of the present invention,
As it is shown in figure 1, this file transmitting method may comprise steps of:
Step 101, when route change being detected, it is judged that whether the change of this route influences whether to preset
The route searching result of destination address.If so, step 102 is gone to；Otherwise, current process is terminated.
In the embodiment of the present invention, said method can apply to have IP (Internet Protocol, interconnection
FidonetFido) equipment of forwarding capability, such as router, three-tier switch etc., for ease of describing, below with
The executive agent of said method is to illustrate as a example by the network equipment.
In the embodiment of the present invention, if non-specified otherwise, involved address refers both to IP address, and the present invention is real
Execute that example is follow-up no longer to be repeated.
In the embodiment of the present invention, can pre-set in the network equipment one or more needs cache routing to look into
Look for the destination address (destination address i.e. preset) of result, such as, the address of large server or gateway
Address etc..The destination address preset for this, can search routing table according to this destination address preset,
And cache the route searching result of correspondence.For the message that destination address is this destination address preset, can
It is transmitted with the route searching result according to caching.
In order to ensure the correctness that message sends, need when route changes, in time the road to caching
It is updated by lookup result.In embodiments of the present invention, there occurs routing variable when the network equipment detects
During change, it can be determined that whether the change of this route influences whether the route searching result of the destination address preset,
The route searching result of default destination address the most whether can be caused to change, determine whether needs
The route searching result of caching is updated.
In one embodiment, when route change being detected, it is judged that whether route change can affect pre-
If destination address lookup result before, it is also possible to including:
Judge whether the destination address needing cache routing lookup result preset；
If, it is determined that perform to judge the route querying whether route change can affect default destination address
Result.
In this embodiment, when the network equipment detects route change, when changing such as network topology,
Can decide whether to there is the destination address needing cache routing lookup result preset, if existing, then needing
Determine whether whether the change of this route can cause this route searching result of destination address preset corresponding
Change；Otherwise, the network equipment only needs to update routing table according to route change, and it is specifically real
Now do not repeat them here.
Step 102, the route searching result of the destination address preset cached according to route change renewal.
In the embodiment of the present invention, when the network equipment determines that the route change detected can affect default purpose
During the route searching result of address, the network equipment can update the mesh preset of caching according to the change of this route
The route searching result of address, to ensure that the route searching result according to caching is carried out when message sends
Correctness.
In the embodiment of the present invention, when route change does not interferes with the route querying knot of default destination address
Time really, the network equipment can need not update the route searching result of caching, and only needs according to routing variable
Changing and update routing table, it implements and does not repeats them here.
Step 103, according to caching route searching result carry out message transmission.
In the embodiment of the present invention, for being cached with destination address (the default destination of route searching result
Location), when the network equipment needs the message sending address for the purpose of this destination address preset, permissible
Need not table of query and routing, and can directly look into according to the corresponding route in the route searching result of caching
Result is looked for be transmitted.
In one embodiment, carry out message transmission according to the route searching result of caching, can be concrete
Including:
When needs send message, it is judged that whether the destination address of message is default destination address；
If so, the route querying knot that the destination address of query message is corresponding from the route searching result of caching
Really；
Message is transmitted by the route searching result that destination address according to this message is corresponding.
In this embodiment, when the network equipment needs to send message, the network equipment can be according to this report
The route searching result of the destination address query caching of literary composition, the road corresponding to determine the destination address of this message
By lookup result, and according to the route searching result that the destination address of this message is corresponding, message is transmitted.
In the embodiment of the present invention, it is not belonging to, when needing the destination address of message sent, the destination address preset
Time, the network equipment can carry out message transmission according to other message sending strategy, such as the purpose according to message
Address lookup routing table, and carry out message forwarding according to Query Result, it implements the embodiment of the present invention
Do not repeat them here.
Visible, in the method flow described by Fig. 1, when route change being detected, it can be determined that should
Whether route change influences whether the route searching result of the destination address preset, and when being judged as YES,
The route searching result of destination address being cached to preset is updated, due to specify for some
Destination address, be at most only possible to mask-length from 0 to 32 33 routes can affect this address
Route searching result, when route change does not affects route searching result, it is not necessary to route searching result
It is updated, shields unrelated route change, reduce the useless renewal of route searching result, ensureing
While the correctness of the route searching result of caching, reduce the renewal band to cache routing lookup result
The performance loss come；Simultaneously as the network equipment can carry out message according to the route searching result of caching
Send, all carry out routing table lookup without sending message every time, improve the transmitting efficiency of message.
Refer to Fig. 2, the schematic flow sheet of another kind of file transmitting method provided for the embodiment of the present invention,
As in figure 2 it is shown, this file transmitting method may comprise steps of:
Step 201, the default destination address needing cache routing lookup result.
The route searching result of the destination address that step 202, caching are preset.
In the embodiment of the present invention, in order to improve the efficiency that message sends, the network equipment can pre-set one
Individual or multiple destination addresses needing cache routing lookup result, such as, the address of large server or net
Close address etc..The destination address preset for this, the network equipment can be looked into according to this destination address preset
Look for routing table, and cache corresponding route searching result, as route corresponding for default destination address looked into
Look for result cache in the internal memory of the network equipment.For the message that destination address is this destination address preset,
Can be transmitted according to the route searching result of caching.
Step 203, when route change being detected, it is judged that whether the change of this route influences whether to preset
The route searching result of destination address.If being judged as YES, go to step 204；Otherwise, current stream is terminated
Journey.
In the embodiment of the present invention, in order to ensure the correctness that message sends, need when route changes,
In time the route searching result of caching is updated.
When the network equipment detects and there occurs route change, it can be determined that whether the change of this route can affect
To the route searching result of the destination address preset, the route of default destination address the most whether can be caused to look into
Look for result to change, determine whether to need the route searching result of caching is updated.
Step 204, the route searching result of the destination address preset cached according to route change renewal.
In the embodiment of the present invention, when the network equipment determines that the route change detected can affect default purpose
During the route searching result of address, the network equipment can update the mesh preset of caching according to the change of this route
The route searching result of address, to ensure that the route searching result according to caching is carried out when message sends
Correctness.
In the embodiment of the present invention, when route change does not interferes with the route querying knot of default destination address
Time really, the network equipment can need not update the route searching result of caching, and only needs according to routing variable
Changing and update routing table, it implements and does not repeats them here.
In the embodiment of the present invention, owing to only can affect the route of the destination address preset cached in generation
When the route of lookup result changes, the route searching result of the destination address just preset caching is carried out more
Newly, when there is other route change, it is not necessary to the route searching result of caching is updated, shielding
Unrelated route change, reduces the useless renewal of route searching result, in the route querying ensureing caching
While the correctness of result, reduce the performance loss that the renewal to cache routing lookup result brings.
Step 205, when needs send message time, it is judged that whether the destination address of this message is default mesh
Address.If so, step 206 is gone to；Otherwise, step 208 is gone to.
In the embodiment of the present invention, when the network equipment needs to send message, the network equipment can be according to this report
The destination address of literary composition judges whether it belongs to default destination address；The most then the network equipment can basis
Message is transmitted by the route searching result of caching；Otherwise, the network equipment needs to pass through table of query and routing
Carry out message transmission.
Step 206, from the route searching result of caching, inquire about the route that the destination address of this message is corresponding
Lookup result.
Step 207, according to the route searching result that the destination address of this message is corresponding, message is transmitted.
In the embodiment of the present invention, when the network equipment determines that the destination address needing the message sent is default
During destination address, the network equipment can according to the route searching result of the destination address query caching of this message,
The route searching result corresponding to determine the destination address of this message, and according to the destination address pair of this message
The route searching result answered carries out message transmission.
In the embodiment of the present invention, due to for the message that destination address is default destination address, Ke Yizhi
Connect the route searching result according to caching and carry out message transmission, without table of query and routing, therefore, can
To improve the efficiency that message sends.
Step 208, destination address table of query and routing according to message, and carry out message according to Query Result
Send.
In the embodiment of the present invention, when the network equipment determines that the destination address needing the message sent is not belonging to pre-
If destination address, during route searching result corresponding to the destination address of this message the most uncached, network sets
For according to the destination address table of query and routing of this message, and message forwarding being carried out according to Query Result.
By above description it can be seen that the embodiment of the present invention provide technical scheme in, when detecting
During route change, it can be determined that whether the change of this route influences whether the route querying of the destination address preset
As a result, and when being judged as YES, the route searching result of destination address being cached to preset is updated,
When route change does not affects route searching result, it is not necessary to route searching result is updated, shielding
Unrelated route change, reduces the useless renewal of route searching result, in the route querying ensureing caching
While the correctness of result, reduce the performance loss that the renewal to cache routing lookup result brings；
Simultaneously as the network equipment can carry out message transmission according to the route searching result of caching, without
Send message every time and all carry out routing table lookup, improve the transmitting efficiency of message.
Corresponding with aforementioned file transmitting method embodiment, present invention also offers the reality of packet transmission device
Execute example.
In the embodiment of the present invention, packet transmission device can be applied on the equipment with IP forwarding capability.
Device embodiment can be realized by software, it is also possible to realizes by the way of hardware or software and hardware combining.
As a example by implemented in software, as the device on a logical meaning, it it is the processor by its place equipment
Computer program instructions corresponding in nonvolatile memory is read in internal memory and run formation.From firmly
For part aspect, as it is shown on figure 3, the packet transmission device place equipment provided for the embodiment of the present invention
A kind of hardware structure diagram, except the processor shown in Fig. 3, network interface, internal memory and non-volatile deposit
Outside reservoir, in embodiment, the equipment at device place generally can also include other hardware, such as responsible process
Forwarding chip of message etc.；This equipment from the point of view of from hardware configuration, can it is also possible that distributed equipment
Multiple interface card can be included, in order to carry out the extension of Message processing at hardware view.
Refer to Fig. 4, the structural representation of a kind of packet transmission device provided for the embodiment of the present invention,
Wherein, described device can apply to the equipment can with IP forwarding capability, as shown in Figure 4, this report
Literary composition dispensing device may include that
Judging unit 410, for when detecting route change, it is judged that whether the change of described route can shadow
Ring the route searching result of the destination address preset；
Updating block 420, for affecting the route querying of default destination address when described route change
During result, update the route searching result of the described default destination address of caching according to described route change；
Transmitting element 430, for carrying out message transmission according to the route searching result of caching.
In one embodiment, described judging unit 410, it is also possible to be used for when route change being detected,
Judge whether the destination address needing cache routing lookup result preset；
Correspondingly, described judging unit 410, can be specifically for needing cache routing when what existence was preset
During the destination address of lookup result, it is judged that whether the change of described route can affect the road of default destination address
By lookup result.
Please also refer to Fig. 5, the structure for the another kind of packet transmission device of embodiment of the present invention offer is shown
Being intended to, this embodiment is on the basis of aforementioned embodiment illustrated in fig. 4, and described device can also include: sets
Put unit 440 and buffer unit 450.Wherein:
Unit 440 is set, for presetting the destination address needing cache routing lookup result；
Buffer unit 450, for caching the route searching result of described default destination address.
Please also refer to Fig. 6, the structure for the another kind of packet transmission device of embodiment of the present invention offer is shown
Being intended to, this embodiment is on the basis of aforementioned embodiment illustrated in fig. 4, and described transmitting element may include that
Judgment sub-unit 431, inquiry subelement 432 and transmission subelement 433；Wherein:
Judgment sub-unit 431, for when needs send message, it is judged that the destination address of described message is
The no destination address for presetting；
Inquiry subelement 432, is used for when the destination address of described message is default destination address, from
The route searching result of caching is inquired about the route searching result that the destination address of described message is corresponding；
Send subelement 433, for the route searching result pair corresponding according to the destination address of described message
Described message is transmitted.
In one embodiment, described inquiry subelement 432, it is also possible to for when the destination of described message
When location is not default destination address, according to the destination address table of query and routing of described message；
Described transmission subelement 433, is additionally operable to the Query Result according to described inquiry subelement 432 and carries out
Message sends.
In said apparatus, the function of unit and the process that realizes of effect specifically refer in said method corresponding
Step realize process, do not repeat them here.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part ginseng
See that the part of embodiment of the method illustrates.Device embodiment described above is only schematically,
The wherein said unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Or can also be distributed on multiple NE.Can select according to the actual needs part therein or
The whole module of person realizes the purpose of the present invention program.Those of ordinary skill in the art are not paying creativeness
In the case of work, i.e. it is appreciated that and implements.
As seen from the above-described embodiment, when route change being detected, it can be determined that whether the change of this route can
Have influence on the route searching result of default destination address, and when being judged as YES, to be cached to preset
The route searching result of destination address is updated, when route change does not affects route searching result, no
Need route searching result is updated, shield unrelated route change, reduce route searching result
Useless renewal, ensure caching route searching result correctness while, reduce cache way
The performance loss brought by the renewal of lookup result；Simultaneously as the network equipment can be according to the road of caching
Carried out message transmission by lookup result, all carry out routing table lookup without sending message every time, improve
The transmitting efficiency of message.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to this
Other embodiment of invention.The application is intended to any modification, purposes or the adaptability of the present invention
Change, these modification, purposes or adaptations are followed the general principle of the present invention and include this
Bright undocumented common knowledge in the art or conventional techniques means.Description and embodiments only by
Being considered as exemplary, true scope and spirit of the invention are pointed out by claim below.
It should be appreciated that the invention is not limited in described above and illustrated in the accompanying drawings accurately
Structure, and various modifications and changes can carried out without departing from the scope.The scope of the present invention is only by institute
Attached claim limits.
Claims (10)
1. a file transmitting method, it is characterised in that including:
When route change being detected, it is judged that whether the change of described route can affect default destination address
Route searching result；
If so, the route querying knot of the described default destination address of caching is updated according to described route change
Really；
Route searching result according to caching carries out message transmission.
Method the most according to claim 1, it is characterised in that when route change being detected, institute
State before judging the route searching result whether described route change can affect default destination address, also wrap
Include:
Judge whether the destination address needing cache routing lookup result preset；
If exist, it is determined that perform described judge described route change whether can affect default destination address
The step of route searching result.
Method the most according to claim 1, it is characterised in that described method also includes:
Preset the destination address needing cache routing lookup result；
Cache the route searching result of described default destination address.
4. according to the method described in any one of claim 1-3, it is characterised in that described according to caching
Route searching result carries out message forwarding, including:
When needs send message, it is judged that whether the destination address of described message is default destination address；
If so, the route inquiring about the destination address of described message corresponding from the route searching result of caching is looked into
Look for result；
Described message is transmitted by the route searching result that destination address according to described message is corresponding.
Method the most according to claim 4, it is characterised in that the purpose of the described message of described judgement
After whether address is default destination address, also include:
If it is not, according to the destination address table of query and routing of described message, and carry out message according to Query Result
Send.
6. a packet transmission device, it is characterised in that including:
Judging unit, for when detecting route change, it is judged that whether the change of described route can affect pre-
If the route searching result of destination address；
Updating block, for affecting the route searching result of default destination address when described route change
Time, the route searching result of the described default destination address of caching is updated according to described route change；
Transmitting element, for carrying out message transmission according to the route searching result of caching.
Device the most according to claim 6, it is characterised in that
Described judging unit, is additionally operable to when route change being detected, it may be judged whether there are default needs
The destination address of cache routing lookup result；
Described judging unit, specifically for when there is the destination needing cache routing lookup result preset
During location, it is judged that whether the change of described route can affect the route searching result of default destination address.
Device the most according to claim 6, it is characterised in that described device also includes:
Unit is set, for presetting the destination address needing cache routing lookup result；
Buffer unit, for caching the route searching result of described default destination address.
9. according to the device described in claim 6-8, it is characterised in that described transmitting element includes:
Judgment sub-unit, for when needs send message, it is judged that whether the destination address of described message is
The destination address preset；
Inquiry subelement, for when the destination address of described message is default destination address, from caching
Route searching result in inquire about the route searching result that the destination address of described message is corresponding；
Send subelement, for the route searching result corresponding according to the destination address of described message to described
Message is transmitted.
Device the most according to claim 9, it is characterised in that
Described inquiry subelement, is additionally operable to when the destination address of described message is not default destination address,
Destination address table of query and routing according to described message；
Described transmission subelement, is additionally operable to the Query Result according to described inquiry subelement and carries out message transmission.
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| CN103973571A (en) * | 2013-02-05 | 2014-08-06 | 中兴通讯股份有限公司 | Network processor and routing searching method |
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