CN115442297B - System and method for realizing EIP intelligent access based on BGP - Google Patents
System and method for realizing EIP intelligent access based on BGP Download PDFInfo
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- CN115442297B CN115442297B CN202211081606.3A CN202211081606A CN115442297B CN 115442297 B CN115442297 B CN 115442297B CN 202211081606 A CN202211081606 A CN 202211081606A CN 115442297 B CN115442297 B CN 115442297B
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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
- H04L45/24—Multipath
- H04L45/245—Link aggregation, e.g. trunking
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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
- H04L45/38—Flow based routing
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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
- H04L45/58—Association of routers
- H04L45/586—Association of routers of virtual routers
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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
- H04L45/745—Address table lookup; Address filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The invention relates to OVN technical field, providing a system and a method for realizing EIP intelligent access based on BGP, the system of the invention comprises: the routing aggregation module is used for distributing the EIP network segments to the physical network switch, modifying the EIP network segments distributed to the physical network switch, receiving the traffic sent by the physical network switch and forwarding the traffic to the virtual router under the same physical network switch or different physical network switches; the physical network switch is used for sending the traffic to the route aggregation module and receiving the traffic forwarded by the virtual router from the route aggregation module; and the virtual router is used for issuing the EIP route next-hop address and forwarding the traffic of the route aggregation module to the physical network switch. The system and the method for realizing the intelligent EIP access based on the BGP can increase the number of the sold EIP addresses, realize decoupling of the virtual network and the physical network and increase the expansion capacity of the virtual router.
Description
Technical Field
The invention relates to the technical field of OVN, in particular to a system and a method for realizing EIP intelligent access based on BGP.
Background
Open Virtual Network (OVN) is an open switch (OVS) project group, which is an SDN controller developed by OVS, providing virtual network abstraction functions, such as virtual L2 and L3, security groups, DHCP services, and the like. The EIP function of OVN is implemented by the three-layer gateway function of OVN.
As shown in fig. 1, an intranet address and an EIP address are located on a physical network switch; on the virtual router, configuring the default route next hop as the physical switch intranet address. Traffic from the virtual router is forwarded to the physical network switch according to routing rules. Traffic entering from the physical network is forwarded to the virtual router via the direct route. In practical application, the following disadvantages exist in forwarding traffic entering through a physical network by direct connection: 1. an EIP address is occupied in a physical network switch, so that the number of the sold EIP addresses is reduced; 2. all virtual routers must be connected to the same physical network switch to affect the expansion capability of the virtual router; 3. after the EIP address field is added, the physical network switch configuration needs to be manually modified.
Therefore, how to provide an EIP access method that is more economical, convenient and practical becomes a technical problem to be solved.
Disclosure of Invention
In view of this, the present invention provides a system and method for implementing EIP intelligent access based on BGP by adding a route aggregation module.
In one aspect, the present invention provides a BGP-based system for implementing EIP intelligent access, including:
the routing aggregation module is used for distributing the EIP network segments to the physical network switch, modifying the EIP network segments distributed to the physical network switch, receiving the traffic sent by the physical network switch and forwarding the traffic to the virtual router under the same physical network switch or different physical network switches;
the physical network switch is used for sending the traffic to the route aggregation module and receiving the traffic forwarded by the virtual router from the route aggregation module;
and the virtual router is used for issuing the EIP route next-hop address and forwarding the traffic of the route aggregation module to the physical network switch.
Further, in the system for realizing EIP intelligent access based on BGP, the route aggregation module is used for: the EIP segments are published to the physical network switch via BGP protocol and the EIP segments published to the physical network switch are modified via BGP protocol.
Further, in the system for realizing EIP intelligent access based on BGP, the route aggregation module is used for: and receiving the traffic sent from the physical network switch, packaging the traffic message through a tunneling protocol, and forwarding the packaged message to the virtual router under the same physical network switch or different physical network switches.
Furthermore, in the system for realizing the intelligent EIP access based on the BGP, the address of the next hop of the EIP route issued by the virtual router is the address of the route aggregation module.
On the other hand, the invention provides a method for realizing EIP intelligent access based on BGP, which comprises the following steps:
the EIP network segment is released to the physical network switch through the route aggregation module, and the EIP network segment released to the physical network switch is modified;
the EIP route next-hop address is issued as the address of the route aggregation module through the virtual router;
and receiving the traffic sent by the physical network switch through the route aggregation module, packaging the received traffic, and forwarding the traffic to the same physical network switch or a virtual router under different physical network switches.
Further, in the method for realizing the EIP intelligent access based on the BGP, the routing aggregation module distributes the EIP network segments to the physical network switch through the BGP protocol and modifies the EIP network segments distributed to the physical network switch through the BGP protocol.
Further, the invention discloses a method for realizing EIP intelligent access based on BGP, which is characterized in that a route aggregation module receives traffic sent from a physical network switch, packages the traffic message through a tunnel protocol, and forwards the packaged message to a virtual router.
Further, the method for implementing EIP intelligent access based on BGP is characterized in that forwarding the encapsulated message to the virtual router comprises the following steps: and forwarding the encapsulated message to a virtual router under the same physical network switch or different physical network switches.
Finally, the invention also provides a terminal device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method when executing the program.
The system and the method for realizing the intelligent EIP access based on the BGP have the following beneficial effects:
1. the occupation of one EIP address on a physical network switch is avoided, and the number of the sold EIP addresses is increased;
2. the virtual network and the physical network can be decoupled by directly modifying the EIP network segment through the BGP protocol without manually modifying the configuration of the physical network switch.
3. The virtual router does not need to be under the same physical network switch as the route aggregation module, and the expansion capacity of the virtual router is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a system for EIP access in the prior art.
Fig. 2 is an architecture diagram of a BGP-based system implementing EIP intelligent access according to an exemplary first embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
It should be noted that, without conflict, the following embodiments and features in the embodiments may be combined with each other; and, based on the embodiments in this disclosure, all other embodiments that may be made by one of ordinary skill in the art without inventive effort are within the scope of the present disclosure.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
The terms involved in the following embodiments are explained as follows:
EIP: the elastic public network IP (Elastic IP Address, EIP for short) is an IP address associated with a user account, and can be flexibly bound and unbound to any cloud server, elastic bare metal server, load balancing and other resources of the user. The user can quickly remap the EIP address to another cloud server, bare metal server, load balancing and other resources in the account, and example faults are shielded.
BGP: border gateway protocol (Border Gateway Protocol, BGP for short) is a core de-centralized autonomous routing protocol on the internet that implements reachability between autonomous systems (ases) by maintaining an IP routing table or "prefix" table, belonging to a vector routing protocol.
Fig. 2 is a schematic diagram of a BGP-based system for implementing EIP intelligent access according to an exemplary first embodiment of the present invention, as shown in fig. 2, where the system in this embodiment includes:
the routing aggregation module is used for distributing the EIP network segments to the physical network switch, modifying the EIP network segments distributed to the physical network switch, receiving the traffic sent by the physical network switch and forwarding the traffic to the virtual router under the same physical network switch or different physical network switches;
the physical network switch is used for sending the traffic to the route aggregation module and receiving the traffic forwarded by the virtual router from the route aggregation module;
and the virtual router is used for issuing the EIP route next-hop address and forwarding the traffic of the route aggregation module to the physical network switch.
In practical application, in the system of this embodiment, the routing aggregation module issues the EIP network segment to the physical network switch through BGP protocol and modifies the EIP network segment issued to the physical network switch through BGP protocol. The virtual network and the physical network can be decoupled by directly modifying the EIP network segment through the BGP protocol without manually modifying the configuration of the physical network switch.
In practical application, in the system of this embodiment, the route aggregation module receives the traffic sent from the physical network switch, encapsulates the packet of the traffic through the tunnel protocol, and forwards the encapsulated packet to the virtual router under the same physical network switch or different physical network switches. The virtual router does not need to be under the same physical network switch as the route aggregation module, and the expansion capability of the virtual router is increased.
In practical application, in the system of this embodiment, the EIP route next-hop address issued by the virtual router is the address of the route aggregation module. The published EIP route next hop is a route aggregation module, and the traffic entering from the physical network is forwarded to the route aggregation module according to the published route forwarding rule.
An exemplary second embodiment of the present invention provides a method for implementing EIP intelligent access based on BGP, where the method in this embodiment includes:
the EIP network segment is released to the physical network switch through the route aggregation module, and the EIP network segment released to the physical network switch is modified;
the EIP route next-hop address is issued as the address of the route aggregation module through the virtual router;
and receiving the traffic sent by the physical network switch through the route aggregation module, packaging the received traffic, and forwarding the traffic to the same physical network switch or a virtual router under different physical network switches.
In the method of the embodiment, the routing aggregation module issues the EIP network segment to the physical network switch through BGP protocol and modifies the EIP network segment issued to the physical network switch through BGP protocol.
In the method of the embodiment, a route aggregation module receives traffic sent from a physical network switch, packages the traffic message through a tunnel protocol, and forwards the packaged message to a virtual router under the same physical network switch or different physical network switches.
Finally, the invention also provides a terminal device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method when executing the program.
The terminal equipment has the corresponding technical effects of the system and the method for realizing the EIP intelligent access based on the BGP.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (4)
1. A system for implementing EIP intelligent access based on BGP, the system comprising:
the route aggregation module is used for publishing the elastic public network IP EIP network segment to the physical network switch, modifying the EIP network segment published to the physical network switch, receiving the traffic sent by the physical network switch and forwarding the traffic to the same physical network switch or a virtual router under different physical network switches; the route aggregation module is used for: the EIP network segment is released to the physical network switch through the BGP protocol and the EIP network segment released to the physical network switch is modified through the BGP protocol; receiving traffic sent from a physical network switch, encapsulating the traffic message through a tunneling protocol, and forwarding the encapsulated message to a virtual router under the same physical network switch or different physical network switches;
the physical network switch is used for sending the traffic to the route aggregation module and receiving the traffic forwarded by the virtual router from the route aggregation module;
the virtual router is used for issuing an EIP route next-hop address and forwarding the traffic of the route aggregation module to the physical network switch; the EIP route next-hop address issued by the virtual router is the address of the route aggregation module.
2. A method for implementing EIP intelligent access based on BGP, the method comprising:
the EIP network segment is released to the physical network switch through the route aggregation module, and the EIP network segment released to the physical network switch is modified; the routing aggregation module distributes the EIP network segments to the physical network switch through the BGP protocol and modifies the EIP network segments distributed to the physical network switch through the BGP protocol; the route aggregation module receives the traffic sent from the physical network switch, packages the traffic message through a tunnel protocol and forwards the packaged message to the virtual router;
the EIP route next-hop address is issued as the address of the route aggregation module through the virtual router;
and receiving the traffic sent by the physical network switch through the route aggregation module, packaging the received traffic, and forwarding the traffic to the same physical network switch or a virtual router under different physical network switches.
3. The BGP-based intelligent EIP access method of claim 2, wherein forwarding the encapsulated message to the virtual router comprises: and forwarding the encapsulated message to a virtual router under the same physical network switch or different physical network switches.
4. A terminal device, characterized in that it comprises a memory, a processor and a computer program stored on the memory and executable on the processor, which processor, when executing the program, realizes the steps of the method according to any of claims 2-3.
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Address after: 430058 No. n3013, 3rd floor, R & D building, building n, Artificial Intelligence Science Park, economic and Technological Development Zone, Caidian District, Wuhan City, Hubei Province Patentee after: Zhongdian Cloud Computing Technology Co.,Ltd. Address before: 430058 No. n3013, 3rd floor, R & D building, building n, Artificial Intelligence Science Park, economic and Technological Development Zone, Caidian District, Wuhan City, Hubei Province Patentee before: CLP cloud Digital Intelligence Technology Co.,Ltd. |