CN112039766B - Protection switching implementation method and device based on Ethernet - Google Patents
Protection switching implementation method and device based on Ethernet Download PDFInfo
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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
- H04L45/22—Alternate routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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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
- H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention discloses a method and a device for realizing protection switching based on Ethernet, wherein the method for realizing protection switching based on Ethernet comprises the following steps: respectively establishing a next hop rule in the outgoing direction of the edge network equipment to the working channel and the protection channel; associating protection groups of physical ports enabling protection functions with the next hop rules established on a working channel and a protection channel respectively; and selecting the physical port which does not enable the protection function to be associated with the next hop rule created on the working channel or the protection channel of the corresponding link. By the method and the device for realizing protection switching based on the Ethernet, the technical problem of poor flexibility of the conventional APS network can be solved.
Description
Technical Field
The invention relates to the technical field of networks, in particular to a protection switching implementation method based on Ethernet.
Background
In the scheme of implementing the Protection switching (APS), the edit information of the working path and the Protection path is in the forwarding table, and the exit port information of the working path and the Protection path is in the Protection group table. Therefore, in the current scheme for implementing protection switching, the editing behavior of the main protection path and the editing behavior of the standby protection path are associated with each other, and the next hop setting of the protection switching and the protection path not enabled is not separated, so that the flexibility in practical application is poor.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is how to solve the problem that the network congestion cannot be effectively monitored in the prior art.
In order to solve the above problems, the technical solution provided by the present invention is as follows:
a protection switching implementation method based on Ethernet comprises the following steps: respectively establishing a next hop rule in the outgoing direction of the edge network equipment to the working channel and the protection channel; associating protection groups of physical ports enabling protection functions with the next hop rules established on a working channel and a protection channel respectively; and selecting the physical port which does not enable the protection function to be associated with the next hop rule created on the working channel or the protection channel of the corresponding link.
In the method for implementing protection switching based on ethernet, the next hop rule includes egress port information and an entry containing message editing information.
In the method for implementing ethernet-based protection switching, associating the protection group of the physical port enabling the protection function with the next hop rule created on the working channel and the protection channel respectively includes: the working channel output port in the APS protection group table is associated with output port information in a next hop rule established on the working channel; the working channel next hop edit index in the APS protection group table is associated with a table entry containing message edit information in a next hop rule created on the working channel; the output port of the protection channel in the APS protection group table is associated with the output port information in the next hop rule established on the protection channel; and associating the next hop edit index of the protection channel in the APS protection group table with the table entry containing the message edit information in the next hop rule established on the protection channel.
In the method for implementing ethernet-based protection switching, selecting a physical port not enabling a protection function to be associated with the next hop rule created on a working channel or a protection channel of a corresponding link includes: and selecting a physical port which does not enable the protection function to be associated with a table entry which contains message editing information in the created next-hop rule on a working channel or a protection channel of a corresponding link.
The method for implementing protection switching based on ethernet may be applied to an ASIC chip, an FPGA chip or an NP chip.
In order to solve the above problems, the present invention further provides another technical solution as follows: an ethernet-based protection switching implementation apparatus, comprising: the setting unit is used for respectively establishing a next hop rule in the outgoing direction of the edge network equipment to the working channel and the protection channel; the association unit is used for associating the protection group of the physical port enabling the protection function with the next hop rule established on the working channel and the protection channel respectively; and selecting the physical port which does not enable the protection function to be associated with the next hop rule created on the working channel or the protection channel of the corresponding link.
In the ethernet-based protection switching implementation apparatus as described above, the next hop rule includes egress port information and an entry containing message editing information.
In the ethernet-based protection switching implementation apparatus as described above, the associating unit is configured to associate a working channel egress port in the APS protection group table with egress port information in a next hop rule created on the working channel; associating a working channel next hop edit index in the APS protection group table with a table entry containing message edit information in a next hop rule established on the working channel; associating a protection channel output port in the APS protection group table with output port information in a next hop rule established on the protection channel; and associating the protection channel next hop edit index in the APS protection group table with a table entry containing message edit information in a next hop rule established on the protection channel.
In the ethernet-based protection switching implementation apparatus, the associating unit is configured to select a physical port that does not enable a protection function to be associated with an entry that includes message editing information in the next-hop rule that is created on a working channel or a protection channel of a corresponding link.
The protection switching implementation device based on the ethernet as described above can be applied to an ASIC chip, an FPGA chip or an NP chip.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the invention establishes the next hop rule in the exit direction of the edge network device to the working channel and the protection channel, and further associates the protection group of the physical port which enables the protection function and the physical port which does not enable the protection function with the next hop rule, thereby not only outputting ports of the main path and the spare path (namely the working channel and the protection channel) in the protection group, but also editing the index of the next hop by the main path and the spare path, so that the editing information of the main path and the spare path and the outputting port are completely separated from the forwarding table, on one hand, the asymmetrical protection path can be realized; on the other hand, the editing information on the main path and the standby path is independent of the protection group, and the existing protection switching implementation scheme is greatly simplified.
Drawings
Fig. 1 is a schematic diagram of a topology of a protection switching network to which an embodiment of the present invention is applied;
fig. 2 is edit information of a next hop rule in embodiment 1 of the present invention;
fig. 3 is the inclusion information of the protected group entity in embodiment 1 of the present invention;
fig. 4 is a MAC forwarding table in embodiment 1 of the present invention.
Detailed Description
In the scheme of implementing the Protection switching (APS), the edit information of the working path and the Protection path is in the forwarding table, and the exit port information of the working path and the Protection path is in the Protection group table. Therefore, in the current scheme for implementing protection switching, the editing behavior of the primary and secondary protection paths is associated with the forwarding table, and the next hop setting of the protection path which is enabled and disabled is not separated, so that the flexibility in practical application is poor.
In the embodiment of the invention, next hop rules are respectively established in the outgoing directions of the edge network equipment to the working channel and the protection channel, and further the protection group of the physical port with the protection function and the physical port without the protection function are correspondingly associated with the next hop rules, so that not only the outgoing ports of the main path and the standby path (namely the working channel and the protection channel) are obtained in the protection group, but also the index of the next hop can be edited by the main path and the standby path, the editing information of the main path and the standby path and the outgoing ports are completely separated from the forwarding table, and on one hand, the asymmetrical protection path can be realized; on the other hand, the editing information on the main path and the standby path is independent of the protection group, and the existing protection switching implementation scheme is greatly simplified.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Example 1
Fig. 1 shows a schematic diagram of a network topology using APS technology. The upstream port of the edge router PE1 device is respectively interconnected with a Multi-Protocol Label Switching (MPLS) Network and a Virtual extended Local Area Network (VXLAN) Network. Assuming that a Port connected with the MPLS network is Port # 1 and a Port interconnected with the VXLAN network is Port # 2, and simultaneously assuming that PE is related to a two-layer network, wherein a forwarding table corresponding to MAC1 has no enabling protection and is directly forwarded through the MPLS network; the forwarding table corresponding to the MAC2 is not enabled and protected, and is directly forwarded through a VXLAN network, the forwarding table corresponding to the MAC3 is enabled and protected, wherein a working channel runs through an MPLS network, a protection channel runs through the VXLAN network, and meanwhile, when the MAC1 and the MAC3 are forwarded through the MPLS network, the editing behavior of the next hop is the same, and the editing behavior of the next hop when the MAC2 and the MAC3 run through the VXLAN network is also the same. The embodiment discloses a protection switching implementation method based on Ethernet, which specifically comprises the following steps:
step S101, a next hop rule is created in the outgoing direction to the working channel and the protection channel, respectively.
As shown in fig. 2, the next hop rule Nexthop #1 containing the egress Port # 1 and the entry DsNexthop # 1 containing the edit information of the message is created in the egress direction of the edge router PE1 to the working channel MPLS network, while Nexthop #2 containing the egress Port # 2 and the entry DsNexthop # 2 containing the edit information of the message is created in the Vxlan network to the protection channel.
Step S102, associating the protection group of the physical port enabling the protection function with the next hop rule created on the working channel and the protection channel, respectively.
For the physical port MAC3 that enables the APS packet function, a protection group table is first created according to the APS protocol rules, while Nexthop #1 and Nexthop #2 created by step S101 are bound in the protection group. The two Nexthop types need not be the same, and for example, the next hop for editing MPLS network information and the next hop for editing VXLAN network information in this case, the next hop for editing two-layer network information, the next hop for editing three-layer network information, etc., may be used, and then the MAC3 is directly associated with the protection group. That is, as shown in fig. 2, the Working channel output Port Working Port in the APS protection group table is associated with output Port information Port # 1 of Nexthop #1 in the next hop rule created on the Working channel; the Working channel next hop edit index Working NexthopPtr #1 in the APS protection group table is associated with a table entry DsNexthop #1 containing message edit information in a next hop rule created on the Working channel.
A Protection channel output Port Protection Port in the APS Protection group table is associated with output Port information Port # 2 in a next hop rule established on the Protection channel; the Protection channel next hop edit index Protection NexthopPtr #2 in the APS Protection group table is associated with the entry DsNexthop # 2 containing message edit information in the next hop rule created on the Protection channel.
Step S103, selecting a physical port not enabling the protection function to be associated with the next hop rule created on the working channel or the protection channel of the corresponding link.
In a specific implementation, in step S103, a physical port that does not enable a protection function is selected to be associated with an entry that includes message editing information in the next-hop rule created on a working channel or a protection channel of a corresponding link.
As shown in fig. 2, the MAC1 with no protection function enabled is selected to be associated with Nexthop #1 of the link where it is located, that is, the next hop edit index nexthoptr # 1 of the MAC1 is associated with the entry DsNexthop # 1 of the next hop rule Nexthop #1 containing message edit information, and the MAC2 with no protection function enabled is selected to be associated with Nexthop #2 of the link where it is located, that is, the next hop edit index nexthoptr # 2 of the MAC2 is associated with the entry DsNexthop # 2 of the next hop rule Nexthop #2 containing message edit information.
It is immediately obvious to a person skilled in the art that step S102 and step S103 are operated in parallel and have no precedence relationship with each other.
In the embodiment of the present invention, as shown in fig. 3 and fig. 4, the MAC forwarding table includes { MACDA, VLAN, APS _ EN, APS Group ID/PORT, and nexhoptr }, and in the forwarding table enabling protection backup, as shown in fig. 3, the forwarding table indexes a protection Group table of APS through the APS Group ID; and the protection group table includes: protection group Working state indication bit (i.e. W/P flag in the figure), Working channel output Port (i.e. Working Port in the figure), Working channel next hop edit index (i.e. Working NexthopPtr in the figure), Protection channel output Port (i.e. Protection Port in the figure), and Protection channel next hop edit index (i.e. Protection NexthopPtr in the figure). When the message is forwarded, the edge router PE1 selects whether the message is sent out from the working channel or the protection channel according to the current value of the W/P flag in the current protection group, if the message is the working channel, the message is forwarded according to the egress port information on the next hop rule Nexthop #1 on the working channel and the entry containing the message editing information, and if the message is the protection channel, the message is forwarded according to the egress port information on the next hop rule Nexthop #2 on the working channel and the entry containing the message editing information. For MAC1 and MAC2 ports that do not have protection enabled, forwarding operations are performed directly through the associated next hop rules.
In the embodiment of the invention, by additionally arranging the corresponding next hop rule and the incidence relation between the next hop rule and different ports, the editing information of the main path and the standby path and the complete separation of the output port and the forwarding table can be realized, and on one hand, an asymmetric protection path can be realized; on the other hand, the editing information on the main path and the standby path is independent of the protection group and can exist independently. Therefore, when the editing behavior of the next hop changes, the next hop Nexthop #1 or Nexthop #2 can be directly modified without modifying the protection group information, so that the configuration operation is greatly simplified, and the flexibility of network configuration is increased.
The protection switching implementation method based on the Ethernet can be applied to relevant chips, including but not limited to ASIC chips, FPGA chips or NP chips.
Example 2
In order to solve the existing technical problem, this embodiment discloses a protection switching implementation apparatus based on ethernet, including: the setting unit is used for respectively establishing a next hop rule in the outgoing direction of the edge network equipment to the working channel and the protection channel; the association unit is used for associating the protection group of the physical port enabling the protection function with the next hop rule established on the working channel and the protection channel respectively; and selecting the physical port which does not enable the protection function to be associated with the next hop rule created on the working channel or the protection channel of the corresponding link.
In a specific implementation, the next-hop rule includes egress port information and an entry containing message editing information.
In a specific implementation, the associating unit is configured to associate a working channel output port in the APS protection group table with output port information in a next hop rule created on the working channel; associating a working channel next hop edit index in the APS protection group table with a table entry containing message edit information in a next hop rule established on the working channel; associating a protection channel output port in the APS protection group table with output port information in a next hop rule established on the protection channel; and associating the protection channel next hop edit index in the APS protection group table with a table entry containing message edit information in a next hop rule established on the protection channel.
In a specific implementation, the associating unit is configured to associate a physical port that does not enable a protection function with an entry that includes message editing information in the next-hop rule that is created on a working channel or a protection channel of a corresponding link.
In specific implementation, the protection switching implementation device based on the ethernet can be applied to an ASIC chip, an FPGA chip or an NP chip.
It can be understood by those skilled in the art that the protection switching implementation device based on the ethernet in this embodiment and the protection switching implementation device based on the ethernet in embodiment 1 are based on the same inventive concept. Those skilled in the art can understand that the corresponding implementation of this embodiment may refer to the corresponding content of embodiment 1, and is not described herein again.
The foregoing is a detailed description of implementations of the invention, but those skilled in the art will recognize that the foregoing embodiments are exemplary and are presented for the purpose of clarity and understanding, and are not intended to limit the scope of the invention, which is intended to include all permutations, enhancements, equivalents, combinations, and improvements thereto, as would be apparent to those skilled in the art after reading the numerical description and studying the drawings.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: ROM, RAM, magnetic or optical disks, and the like.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A protection switching implementation method based on Ethernet is characterized by comprising the following steps:
respectively establishing a next hop rule in the outgoing direction of the edge network equipment to the working channel and the protection channel; the next hop rule comprises output port information and a table entry containing message editing information;
associating a protection group table of a physical port enabling a protection function with the next hop rule created on a working channel and a protection channel, respectively, comprising:
associating a protection group table of a physical port enabling a protection function at an output port of a working channel with output port information in a next hop rule established on the working channel; the next hop edit index of the working channel is associated with the table entry containing message edit information in the next hop rule established on the working channel; and the number of the first and second groups,
associating a protection group table of a physical port enabling a protection function with output port information in a next hop rule established on a protection channel at an output port of the protection channel; the next hop edit index in the protection channel is associated with a table entry containing message edit information in a next hop rule established on the protection channel;
and selecting the physical port which does not enable the protection function to be associated with the next hop rule created on the working channel or the protection channel of the corresponding link.
2. The method according to claim 1, wherein associating the protection group table of the physical port enabling the protection function with the next hop rule created on the working channel and the protection channel respectively comprises:
and for the physical port which enables the APS message function, a protection group table is created according to the APS protocol rule.
3. The method of claim 1, wherein the selecting the physical port not enabling protection function to be associated with the next hop rule created on the working channel or the protection channel of the corresponding link comprises:
and selecting a physical port which does not enable the protection function to be associated with a table entry which contains message editing information in the next hop rule established on a working channel or a protection channel of the corresponding link.
4. The Ethernet-based protection switching implementation method of any one of claims 1 to 3, applied to an ASIC chip, an FPGA chip or an NP chip.
5. An ethernet-based protection switching implementation apparatus, comprising:
the setting unit is used for respectively establishing a next hop rule in the outgoing direction of the edge network equipment to the working channel and the protection channel; the next hop rule comprises output port information and a table entry containing message editing information;
the association unit is used for associating a protection group table of a physical port enabling a protection function with the next hop rule established on the working channel and the protection channel respectively; the method comprises the following steps:
associating a protection group table of a physical port enabling a protection function with output port information in a next hop rule established on a working channel at the output port of the working channel; the next hop edit index of the working channel is associated with the table entry containing message edit information in the next hop rule established on the working channel; and the number of the first and second groups,
associating a protection group table of a physical port enabling a protection function with output port information in a next hop rule established on a protection channel at an output port of the protection channel; the next hop edit index in the protection channel is associated with a table entry containing message edit information in a next hop rule established on the protection channel; and the number of the first and second groups,
and selecting the physical port which does not enable the protection function to be associated with the next hop rule created on the working channel or the protection channel of the corresponding link.
6. The apparatus according to claim 5, wherein the association unit is configured to create a protection group table according to APS protocol rules for the physical port that enables the APS packet function.
7. The apparatus according to claim 5, wherein the associating unit is configured to associate a physical port that does not enable a protection function with an entry that includes message editing information in the next-hop rule that is created on a working channel or a protection channel of a corresponding link.
8. An Ethernet-based protection switching implementation device as claimed in any one of claims 5 to 7 applied to an ASIC chip, an FPGA chip or an NP chip.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047601A (en) * | 2006-04-10 | 2007-10-03 | 华为技术有限公司 | Implementing method and system of double-attach network based on VPLS |
| CN101997751A (en) * | 2009-08-13 | 2011-03-30 | 中兴通讯股份有限公司 | Realization method and device of protection switching in Ethernet |
| CN102523160A (en) * | 2011-12-15 | 2012-06-27 | 盛科网络（苏州）有限公司 | Chip implementing method and system for quick switching in linear protection of Ethernet |
| CN105049373A (en) * | 2015-06-30 | 2015-11-11 | 盛科网络（苏州）有限公司 | APS-based MLAG switching protection method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101068139A (en) * | 2007-06-28 | 2007-11-07 | 中兴通讯股份有限公司 | Media gateway upper connection link main spare protecting method |
| CN101599862B (en) * | 2009-06-30 | 2011-09-21 | 中兴通讯股份有限公司 | Method and device for allocating transport-multiprotocol label switching and ring network protecting maintenance entity groups |
| CN102064995B (en) * | 2009-11-18 | 2012-12-19 | 中兴通讯股份有限公司 | Method and device for link protection in virtual private local area network |
| CN102195794B (en) * | 2010-03-04 | 2016-03-02 | 中兴通讯股份有限公司 | A kind of fast switch over method of Ethernet trail protection and device |
| CN102185784A (en) * | 2011-05-26 | 2011-09-14 | 杭州华三通信技术有限公司 | Automatic protection switching method and device |
| CN102307150B (en) * | 2011-09-28 | 2014-06-18 | 杭州华三通信技术有限公司 | IRF flow protection method and apparatus thereof |
| CN102368722B (en) * | 2011-12-01 | 2013-06-05 | 盛科网络（苏州）有限公司 | Chip realization method for rapid switching in Ethernet ring network protection and system thereof |
| CN104426763B (en) * | 2013-08-21 | 2018-10-26 | 南京中兴新软件有限责任公司 | Tunnel switching method, device and interchanger |
| US10355980B2 (en) * | 2016-09-30 | 2019-07-16 | Juniper Networks, Inc. | Deterministically selecting a bypass LSP for a defined group of protected LSPS |
-
2020
- 2020-09-04 CN CN202010920444.2A patent/CN112039766B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047601A (en) * | 2006-04-10 | 2007-10-03 | 华为技术有限公司 | Implementing method and system of double-attach network based on VPLS |
| CN101997751A (en) * | 2009-08-13 | 2011-03-30 | 中兴通讯股份有限公司 | Realization method and device of protection switching in Ethernet |
| CN102523160A (en) * | 2011-12-15 | 2012-06-27 | 盛科网络（苏州）有限公司 | Chip implementing method and system for quick switching in linear protection of Ethernet |
| CN105049373A (en) * | 2015-06-30 | 2015-11-11 | 盛科网络（苏州）有限公司 | APS-based MLAG switching protection method |
Non-Patent Citations (1)
| Title |
|---|
| 一种PTN环网保护机制的设计与实现;刘唯等;《光通信研究》;20170210(第01期);全文 * |
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