CN106992933A - Policybased routing processing, message forwarding method and device - Google Patents
Policybased routing processing, message forwarding method and device Download PDFInfo
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- CN106992933A CN106992933A CN201610040806.2A CN201610040806A CN106992933A CN 106992933 A CN106992933 A CN 106992933A CN 201610040806 A CN201610040806 A CN 201610040806A CN 106992933 A CN106992933 A CN 106992933A
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- Prior art keywords
- policybased routing
- interface
- forwarding
- message
- invalid
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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
- H04L45/74—Address processing for routing
-
- 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
- H04L45/302—Route determination based on requested QoS
- H04L45/306—Route determination based on the nature of the carried application
-
- 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
- H04L45/72—Routing based on the source address
Abstract
The invention provides policybased routing processing, message forwarding method and device, the wherein policybased routing processing method includes：By the interface fails information reporting protocol layer detected, wherein, the interface fails information is for indicating that it is invalid that policybased routing forwarding table status is updated to by the protocol layer；It is invalid that the corresponding policybased routing forward table of the interface that will fail is placed in.By the present invention, the problem of forward table maintenance mode causes packet loss in correlation technique is solved, the possibility of packet loss is reduced.
Description
Technical field
The present invention relates to data network communications field, particularly with regard to policybased routing processing method and processing device.
Background technology
Policybased routing is with better function, using more flexible compared with traditional routing, and it makes network manager not
Only can be according to destination address, and forward-path can be selected according to application of electronic report or source IP address.
So-called application of electronic report includes the interface number of transmission control protocol (TCP) or UDP (UDP),
Also include the length of message.Policybased routing can realize traffic engineering to a certain extent, make different services
The stream of quality or data of different nature, such as voice flux and data traffic walk different paths.
As policy routing technique is in a network using more and more extensively, the requirement to policybased routing is increasingly
Height, such as router interface fail when policybased routing be quickly switched into traditional routing performance propose it is higher will
Ask.The method that now common policybased routing is switched to traditional routing is interface module first by interface fails
Report for work protocol layer, the agreement then being route again by interface protocol notification strategy recalculates forward-path, so
The forward table for issuing control forwarding surface afterwards is switched to traditional routing.One of such switching mode presence asks
Topic is exactly the time of switching to need to add the time that interface protocol notification strategy route is recalculated to come, this
Sample may make performance of handoffs can not meet increasingly increased high performance demands, and not yet complete switching
In the case of, message dropping can be caused.
For the problem of forward table maintenance mode causes packet loss in correlation technique, prior art has not been proposed also
The solution of effect.
The content of the invention
Object of the present invention is to provide policybased routing processing method and processing device, solve in correlation technique
The problem of forward table maintenance mode causes packet loss.
According to an aspect of the present invention there is provided a kind of policybased routing processing method, including：It will detect
Interface fails information reporting protocol layer, wherein, the interface fails information be used for indicate that the protocol layer should
It is invalid that policybased routing forwarding table status is updated to；The corresponding policybased routing forward table of the interface that will fail is placed in nothing
Effect.
Further, by the corresponding policybased routing forward table of the failure interface be placed in it is invalid including：According to connecing
Mouth ID determines the policybased routing forward table, wherein, interface ID is what protocol layer was issued；By determination
It is invalid that the policybased routing forward table is placed in.
Further, determine that the policybased routing forward table includes according to interface ID：According to interface ID,
Next-hop ip address and VPN ID determine the policybased routing forward table, wherein, the next-hop
IP address and VPN ID are to inquire about mapping table according to interface ID to determine.
Further, determined according to interface ID, the next-hop ip address and VPN ID
The policybased routing forward table includes：According to interface ID, the next-hop ip address and the VPN
ID inquiry hash tables determine the policybased routing forward table.
Further, by the expiration policy route corresponding policybased routing forward table be placed in it is invalid including：It is logical
Cross change strategy route forwarding table significant notation position mode policybased routing forward table is placed in it is invalid.
According to another aspect of the present invention there is provided a kind of message forwarding method, including：Judge whether to obtain
To policybased routing forwarding information, wherein, the policybased routing forwarding information includes significant notation position；Judging
As a result to be and in the case of significant notation position is effective, by the message, strategically route forwarding table turns
Hair；Be in judged result it is no, or judged result for be but the significant notation position be invalid in the case of, will
The message is forwarded according to common route forwarding table.
Further, before judging whether to get policybased routing forwarding information, this method also includes：
By message Keywords matching access control list ACL table, wherein, the message keyword is reported by parsing
Text is obtained；Judge whether matching succeeds；In the case where the judgment result is yes, it is determined that getting the strategy
Routing forwarding information；In the case where judged result is no, it is determined that not getting policybased routing forwarding letter
Breath.
According to another aspect of the present invention there is provided a kind of policybased routing processing unit, including：Reporting module,
For the interface fails information reporting protocol layer that will be detected, wherein, the interface fails information is used to indicate
It is invalid that policybased routing forwarding table status is updated to by the protocol layer；Processing module, for the interface that will fail
It is invalid that corresponding policybased routing forward table is placed in.
Further, the processing module includes：Determining unit, for according to interface ID, next-hop IP
Address and VPN ID determine the policybased routing forward table, wherein, the next-hop ip address and
VPN ID is to inquire about mapping table according to interface ID to determine.
According to another aspect of the present invention there is provided a kind of apparatus for forwarding message, including：Judge module, is used
In judging whether to get policybased routing forwarding information, wherein, the policybased routing forwarding information includes effective
Marker bit；First forwarding module, for judged result for be and the significant notation position be effective situation
Under, by the message, strategically route forwarding table is forwarded；Second forwarding module, for being in judged result
It is no, or judged result for be but the significant notation position be invalid in the case of, by the message according to common road
Forwarded by forward table.
By the present invention, using the interface fails information reporting protocol layer that will be detected, by the interface pair that fails
The policybased routing forward table answered is placed in invalid technical scheme, solves forward table maintenance side in correlation technique
The problem of formula causes packet loss, reduce the possibility of packet loss.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes one of the application
Point, schematic description and description of the invention is used to explain the present invention, does not constitute to the present invention's
It is improper to limit.In the accompanying drawings：
Fig. 1 is the flow chart of policybased routing processing method according to embodiments of the present invention；
Fig. 2 is the flow chart of message forwarding method according to embodiments of the present invention；
Fig. 3 is the structured flowchart of policybased routing processing unit according to embodiments of the present invention；
Fig. 4 is the structured flowchart of policybased routing processing unit according to the preferred embodiment of the invention；
Fig. 5 is the structured flowchart of apparatus for forwarding message according to embodiments of the present invention；
Fig. 6 is the flow chart of message processing method according to embodiments of the present invention；
Fig. 7 is that policybased routing forward table according to embodiments of the present invention updates flow chart；
Fig. 8 is that policybased routing according to embodiments of the present invention is switched to the flow chart commonly routeing.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that
In the case of not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
A kind of policybased routing processing method and processing device is provided in the present embodiment, and Fig. 1 is according to the present invention
The flow chart of the policybased routing processing method of embodiment, as shown in figure 1, the flow comprises the following steps：
Step S102, interface module by the interface fails information reporting protocol layer detected, wherein, this connects
Mouth fail message is for indicating that it is invalid that policybased routing forwarding table status is updated to by the protocol layer；
Step S104, the interface module will fail the corresponding policybased routing forward table of interface be placed in it is invalid.
Further, protocol layer issues interface ID, and the interface module determines the tactful road according to interface ID
By forward table, it is invalid that the policybased routing forward table of determination is placed in.
Alternatively, interface ID inquires about mapping table and determines next-hop ip address and VPN ID, root
The policybased routing is determined according to interface ID, next-hop ip address and VPN ID inquiry hash table
Forward table.
Alternatively, interface module by way of the significant notation of change strategy route forwarding table position by strategy
Route forwarding table is placed in invalid.Specifically, in the case of being 1 in significant notation position, tactful road is represented
By forward table effectively, forwarding surface can by message strategically route forwarding table path forward；There is criterion
In the case of remembering that position is 0, represent that policybased routing forward table is invalid, forwarding surface can be by message according to common road
Forwarded by the path of forward table.
By above-mentioned steps, the problem of forward table maintenance mode causes packet loss in correlation technique is solved, is subtracted
The possibility of packet loss is lacked.
Fig. 2 is the flow chart of message forwarding method according to embodiments of the present invention, as shown in Fig. 2 the stream
Journey comprises the following steps：
Step S202, forwarding surface judges whether to get policybased routing forwarding information, wherein, the tactful road
Significant notation position is included by forwarding information；
Step S204, the forwarding surface in judged result to be and in the case of significant notation position is effective,
By the message, strategically route forwarding table is forwarded；It is no in judged result, or judged result is to be but be somebody's turn to do
In the case that significant notation position is invalid, the message is forwarded according to common route forwarding table.
It is possible to further by judging whether matching access control list ACL table judges message keyword
Whether policybased routing forwarding information is got.Specifically, forwarding surface analytic message obtains message keyword,
By message Keywords matching access control list ACL table, in the case where the match is successful, it is determined that obtaining
To the policybased routing forwarding information；In the case where it fails to match, turn it is determined that not getting the policybased routing
Photos and sending messages.
Fig. 3 is the structured flowchart of policybased routing processing unit according to embodiments of the present invention, as shown in figure 3,
The device includes：
Reporting module 32, for the interface fails information reporting protocol layer that will be detected, wherein, the interface
Fail message is for indicating that it is invalid that policybased routing forwarding table status is updated to by the protocol layer；
Processing module 34, it is invalid to be placed in for the corresponding policybased routing forward table of the interface that will fail.
Fig. 4 is the structured flowchart of policybased routing processing unit according to the preferred embodiment of the invention, such as Fig. 4
Shown, the processing module 34 includes：
Determining unit 42, for true according to interface ID, next-hop ip address and VPN ID
The fixed policybased routing forward table, wherein, the next-hop ip address and VPN ID are that basis should
Interface ID inquiry mapping tables are determined
Fig. 5 is the structured flowchart of apparatus for forwarding message according to embodiments of the present invention, as shown in figure 5, should
Apparatus for forwarding message also includes：
Judge module 52, for judging whether to get policybased routing forwarding information, wherein, the tactful road
Significant notation position is included by forwarding information；
First forwarding module 54, for being in judged result and in the case of significant notation position is effective,
By the message, strategically route forwarding table is forwarded；
Second forwarding module 56, for being no in judged result, or judged result is is but the significant notation
In the case that position is invalid, the message is forwarded according to common route forwarding table.
The present invention is further described with reference to specific embodiment.
The present embodiment proposes a kind of method that policybased routing failure reduces packet loss, is connect by chain of command bottom
Mouth mold block first updates the significant notation position of policybased routing forward table in interface down, and forwarding surface is inquired about simultaneously
Normal routing table and policybased routing forward table, it is whether effective by the significant notation position of policybased routing forward table,
To judge the mode of message forwarding path, realize when being broken down in network that policybased routing is quickly switched into general
Path is by reducing packet loss quantity.
Fig. 6 is the flow chart of message processing method according to embodiments of the present invention, as shown in fig. 6, the party
Method comprises the following steps：
Step S602, chain of command physical layer interface module detects interface down, by Interface status report it is same
When notification strategy routing module change strategy route forwarding table be invalid；
Step S604, routing table and policybased routing are looked into data forwarding aspect with the purpose IP address in message
Forward table, by policybased routing forwarding if policybased routing forward table significant notation position is effective, if tactful
Route forwarding table significant notation position is invalid, then the result for looking into routing table by message purpose IP address is forwarded；
Step S606, interface module is led to by interface down information reporting protocol layers of the interface, then by interface protocol
Know that Policy Routing Protocol issues renewal policybased routing forward table, make upper layer and lower hardware layer state
Reach consistent.
The consistent step of the levels can further overcome the difficulty of network management.
Fig. 7 is the flow chart that policybased routing forward table according to embodiments of the present invention updates, as shown in fig. 7,
This method comprises the following steps：
Step S702, interface ID, next-hop IP that policybased routing module is issued according to Policy Routing Protocol
Address, VPN (also known as VPN) tri- critical field application policybased routing forward tables of ID, and
(also known as hash) is hashed with these three fields and sets up hash tables, and hash table contents are policybased routings
Forward table；
Step S704, policybased routing module set up by key assignments of policybased routing interface ID interface ID with it is next
The mapping table of hop IP address, VPNID；
Step S706, the interface module of chain of command bottom is detected after link failure down, uses interface ID
Inquiry mapping table obtains next-hop ip address and VPNID；
Step S708, uses interface ID, and next-hop ip address and VPNID carry out hash and search hash tables
Obtain policybased routing forward table；
Step S710, the significant notation bit field of modification policybased routing forward table is that 0, i.e. policybased routing are forwarded
Table is invalid.
It is that policybased routing according to embodiments of the present invention is switched to the flow chart commonly routeing, such as Fig. 8 that Fig. 8, which is,
Shown, this method comprises the following steps：
Step S802, forwarding surface " packet parsing module " extracts message keyword, if message is IP messages,
Parse source IP address, purpose IP address, the field such as protocol number, if message is UDP messages, parsing
Go out source IP address, purpose IP address, IP protocol number, source interface, purpose interface；
Step S804, forwarding surface " routing message searching module " looks into routing table with message purpose IP address and obtains general
Logical route forwarding table information is simultaneously preserved；
Step S806, forwarding surface " ACL matching modules " is gone to match ACL table with message keyword, if
With success, then take its result table to obtain policybased routing forward table, perform step S808；If do not matched
ACL table, then forwarded by above-mentioned common route forwarding table；
Step S808, the significant notation position valID_flag of query strategy route forwarding table, if
ValID_flag=1, represents that policybased routing effectively, is forwarded by policybased routing；If valID_flag=0,
Then press common routing forwarding.
The function of module described in Fig. 6-Fig. 8 is by interface module, reporting module, processing module, judgement
One or more of combinations in module, the first forwarding module and the second forwarding module are realized.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can
To be realized with general computing device, they can be concentrated on single computing device, or distribution
On the network that multiple computing devices are constituted, alternatively, the journey that they can be can perform with computing device
Sequence code is realized, it is thus possible to be stored in storage device by computing device to perform, and
And in some cases, can to perform shown or described step different from order herein, or
They are fabricated to each integrated circuit modules respectively, or multiple modules in them or step are made
Realized into single integrated circuit module.So, the present invention is not restricted to any specific hardware and software
With reference to.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for this
For the technical staff in field, the present invention can have various modifications and variations.It is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. all should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of policybased routing processing method, it is characterised in that including：
By the interface fails information reporting protocol layer detected, wherein, the interface fails information is used to refer to
Show that policybased routing forwarding table status is updated to by the protocol layer invalid；
It is invalid that the corresponding policybased routing forward table of the interface that will fail is placed in.
2. according to the method described in claim 1, it is characterised in that by the corresponding plan of the failure interface
Slightly route forwarding table be placed in it is invalid including：
The policybased routing forward table is determined according to interface ID, wherein, the interface ID is under protocol layer
Hair；
It is invalid that the policybased routing forward table of determination is placed in.
3. method according to claim 2, it is characterised in that institute is determined according to the interface ID
Stating policybased routing forward table includes：
The policybased routing is determined according to the interface ID, next-hop ip address and VPN ID
Forward table, wherein, next-hop ip address and the VPN ID is according to the interface ID
Inquire about what mapping table was determined.
4. method according to claim 3, it is characterised in that according to the interface ID, described
Next-hop ip address and the VPN ID determine that the policybased routing forward table includes：
Inquired about and hashed according to the interface ID, the next-hop ip address and the VPN ID
Table determines the policybased routing forward table.
5. according to the method described in claim 1, it is characterised in that the expiration policy is route correspondence
Policybased routing forward table be placed in it is invalid including：
Policybased routing forward table is placed in nothing by way of the significant notation position of change strategy route forwarding table
Effect.
6. a kind of message forwarding method, it is characterised in that including：
Judge whether to get policybased routing forwarding information, wherein, the policybased routing forwarding information includes
Significant notation position；
In judged result to be and in the case of significant notation position is effective, by the message according to plan
Slightly route forwarding table forwarding；
Be in judged result it is no, or judged result for be but the significant notation position be invalid in the case of,
The message is forwarded according to common route forwarding table.
7. method according to claim 6, it is characterised in that judging whether to get tactful road
Before forwarding information, methods described also includes：Pass through message Keywords matching access control list ACL
Table, wherein, the message keyword is obtained by analytic message；
Judge whether matching succeeds；
In the case where the judgment result is yes, it is determined that getting the policybased routing forwarding information；
In the case where judged result is no, it is determined that not getting the policybased routing forwarding information.
8. a kind of policybased routing processing unit, it is characterised in that including：
Reporting module, for the interface fails information reporting protocol layer that will be detected, wherein, the interface
Fail message is for indicating that it is invalid that policybased routing forwarding table status is updated to by the protocol layer；
Processing module, it is invalid to be placed in for the corresponding policybased routing forward table of the interface that will fail.
9. method according to claim 8, it is characterised in that the processing module includes：
Determining unit, for true according to the interface ID, next-hop ip address and VPN ID
The fixed policybased routing forward table, wherein, next-hop ip address and the VPN ID is root
Inquire about what mapping table was determined according to the interface ID.
10. a kind of apparatus for forwarding message, it is characterised in that including：
Judge module, for judging whether to get policybased routing forwarding information, wherein, the tactful road
Significant notation position is included by forwarding information；
First forwarding module, for being in judged result and in the case of significant notation position is effective,
By the message, strategically route forwarding table is forwarded；
Second forwarding module, for being no in judged result, or judged result is is but the significant notation
In the case that position is invalid, the message is forwarded according to common route forwarding table.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040806.2A CN106992933A (en) | 2016-01-21 | 2016-01-21 | Policybased routing processing, message forwarding method and device |
| PCT/CN2016/087114 WO2017124696A1 (en) | 2016-01-21 | 2016-06-24 | Method of processing policy route, method of forwarding packet, and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040806.2A CN106992933A (en) | 2016-01-21 | 2016-01-21 | Policybased routing processing, message forwarding method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106992933A true CN106992933A (en) | 2017-07-28 |
Family
ID=59362040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610040806.2A Pending CN106992933A (en) | 2016-01-21 | 2016-01-21 | Policybased routing processing, message forwarding method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106992933A (en) |
| WO (1) | WO2017124696A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067744A (en) * | 2018-08-08 | 2018-12-21 | 新华三技术有限公司合肥分公司 | Acl rule processing method, device and communication equipment |
| CN109462589A (en) * | 2018-11-13 | 2019-03-12 | 北京天融信网络安全技术有限公司 | The method, device and equipment of application program NS software |
| CN110035424A (en) * | 2018-01-12 | 2019-07-19 | 华为技术有限公司 | Policy-related (noun) communication means, device and system |
| CN111147376A (en) * | 2019-12-30 | 2020-05-12 | 杭州迪普科技股份有限公司 | Route updating method, device, equipment and medium |
| CN116232997A (en) * | 2023-02-10 | 2023-06-06 | 中国联合网络通信集团有限公司 | Data forwarding method, device and storage medium |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112565091A (en) * | 2020-11-18 | 2021-03-26 | 普联国际有限公司 | Message forwarding method and device, storage medium and terminal equipment |
| CN113992580B (en) * | 2021-09-23 | 2023-03-31 | 新华三信息安全技术有限公司 | Method and equipment for modifying policy routing |
| CN115051970A (en) * | 2022-05-13 | 2022-09-13 | 中国电信股份有限公司 | Method and device for controlling user to be online, forwarding plane network element and medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1744563B (en) * | 2004-08-31 | 2011-06-22 | 杭州华三通信技术有限公司 | Method for realizing strate gic route in Ethernet switch |
| CN103546380B (en) * | 2013-11-05 | 2016-08-17 | 迈普通信技术股份有限公司 | A kind of message forwarding method based on policybased routing and device |
| CN104486229B (en) * | 2014-12-24 | 2017-09-29 | 迈普通信技术股份有限公司 | A kind of method and apparatus for realizing the forwarding of VPN message |
-
2016
- 2016-01-21 CN CN201610040806.2A patent/CN106992933A/en active Pending
- 2016-06-24 WO PCT/CN2016/087114 patent/WO2017124696A1/en active Application Filing
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110035424A (en) * | 2018-01-12 | 2019-07-19 | 华为技术有限公司 | Policy-related (noun) communication means, device and system |
| CN110035424B (en) * | 2018-01-12 | 2021-10-19 | 华为技术有限公司 | Communication method, device and system related to policy |
| CN109067744A (en) * | 2018-08-08 | 2018-12-21 | 新华三技术有限公司合肥分公司 | Acl rule processing method, device and communication equipment |
| CN109067744B (en) * | 2018-08-08 | 2021-11-09 | 新华三技术有限公司合肥分公司 | ACL rule processing method, device and communication equipment |
| CN109462589A (en) * | 2018-11-13 | 2019-03-12 | 北京天融信网络安全技术有限公司 | The method, device and equipment of application program NS software |
| CN109462589B (en) * | 2018-11-13 | 2021-08-24 | 北京天融信网络安全技术有限公司 | Method, device and equipment for controlling network access of application program |
| CN111147376A (en) * | 2019-12-30 | 2020-05-12 | 杭州迪普科技股份有限公司 | Route updating method, device, equipment and medium |
| CN116232997A (en) * | 2023-02-10 | 2023-06-06 | 中国联合网络通信集团有限公司 | Data forwarding method, device and storage medium |
| CN116232997B (en) * | 2023-02-10 | 2024-04-09 | 中国联合网络通信集团有限公司 | Data forwarding method, device and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017124696A1 (en) | 2017-07-27 |
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