CN110875884A - Traffic migration system, data processing method and device - Google Patents
Traffic migration system, data processing method and device Download PDFInfo
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- 238000005538 encapsulation Methods 0.000 claims abstract description 139
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
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Abstract
The invention relates to the field of hybrid cloud, in particular to a traffic migration system, which comprises: the public cloud router sends a target data packet to the machine room router, receives a response data packet sent by the machine room router, and sends a first encapsulation packet of the response data packet to the public cloud gateway; the public cloud gateway receives a first encapsulation packet of the response data packet sent by the public cloud router and sends a second encapsulation packet of the response data packet to the load balancing server; the load balancing server receives a second packaging packet of the response data packet sent by the gateway of the public cloud, obtains the response data packet from the second packaging packet of the response data packet, and sends the response data packet to the client; compared with the prior art, the service flow deployed in the IDC machine room of the user can be migrated to the load balancing server of the user in the VPC environment through the machine room router, and then the user can receive the response data packet of the machine room server through the client to manage the flow.
Description
Technical Field
The invention relates to the field of cloud computing, in particular to a traffic migration system, a data processing method and a data processing device.
Background
With the development of cloud computing, the value of cloud computing is gradually recognized by various enterprises, and many enterprises develop cloud computing services. Cloud computing typically has three modalities, namely public clouds, private clouds, and hybrid clouds. In a public cloud environment, an enterprise provides services to external users through own infrastructure, and the external users access the services through the internet and do not directly own cloud resources. In the private cloud environment, it is necessary to build a private cloud on an enterprise-owned infrastructure that is used separately for the enterprise itself. The hybrid cloud is a hybrid IT architecture, is an integration of a public cloud and a private cloud, and has the cost advantage of the public cloud and the security of the private cloud.
The hybrid cloud integrates a public cloud and a private cloud, and the existing hybrid cloud is generally realized by setting up a private network connection between a Virtual Private Cloud (VPC) and the network environment of an enterprise. The VPC is a virtual network in a public cloud environment that provides a private cloud environment for tenants. For an enterprise which deploys services in a local IDC room, when a server in an IDC is replaced due to over-insurance or damage, and the like, a user can purchase more ECSs (electronic computer services) on a public cloud to replace a damaged physical machine in addition to replacing the server, so that the enterprise gradually migrates to the cloud. However, the corresponding service of the user in the IDC also needs to be re-deployed on the cloud, and the service is usually deployed in one ECS in the VPC. In the service deployment process, if a single point of failure of the ECS exists in the VPC environment, the service deployment often fails.
The load balancing server can be used in the VPC environment to eliminate single point of failure, and the service flow is guaranteed to be distributed to each ECS through the load balancing server. In the prior art, an ECS is usually created in a hybrid cloud and is suspended in a load balancing server to implement distribution of service traffic. An effective technical scheme is lacked for traffic migration between a load balancing server in a VPC and a user IDC machine room.
Disclosure of Invention
The embodiment of the invention provides a flow migration system to solve the problems in the prior art. The embodiment of the invention also provides a traffic migration method and a traffic migration device.
An embodiment of the present invention provides a traffic migration system, including: the system comprises a machine room router, a public cloud gateway and a load balancing server;
the public cloud router is used for sending the target data packet to the machine room router, receiving a response data packet sent by the machine room router, and sending a first encapsulation packet of the response data packet to the public cloud gateway;
the public cloud gateway is used for receiving a first encapsulation packet of the response data packet sent by the router of the public cloud and sending a second encapsulation packet of the response data packet to the load balancing server;
the load balancing server is configured to receive a second encapsulation packet of the response data packet sent by the gateway of the public cloud, obtain the response data packet from the second encapsulation packet of the response data packet, and send the response data packet to a client.
Optionally, the method further includes: the machine room server is used for receiving the target data packet sent by the machine room router and sending a response data packet of the target data packet to the machine room router;
and the destination IP address of the target data packet is the IP address of the machine room server, and the destination IP address of the response data packet is the private network IP address of the load balancing server.
Optionally, the source IP address of the first encapsulation packet of the response data packet and the source IP address of the second encapsulation packet of the response data packet are both IP addresses of the router of the public cloud.
Optionally, the method further includes: and the client is used for configuring the machine room server as a back-end server of the load balancing server.
Optionally, the load balancing server is further configured to convert a public network IP address of the load balancing server into a private network IP address of the load balancing server, and store IP conversion information in the load balancing server.
Optionally, the load balancing server is further configured to receive the target data packet sent by the client, and encapsulate the target data packet into a first encapsulation packet of the target data packet;
the source IP address of the target data packet is a private network IP address of the load balancing server, the source IP address of the first encapsulating packet of the target data packet is a public network IP address of the load balancing server, and the destination IP address of the first encapsulating packet of the target encapsulating packet is the IP address of the public cloud gateway.
Optionally, the gateway of the public cloud is further configured to receive a first encapsulation packet of the target data packet sent by the load balancing server, and replace a destination IP address of the first encapsulation packet of the target data packet with an IP address of the router of the public cloud to form a second encapsulation packet of the target data packet;
and the gateway of the public cloud sends the second encapsulation packet of the target data packet to the router of the public cloud.
Optionally, the router of the public cloud is further configured to receive a second encapsulation packet of the target data packet sent by the gateway of the public cloud, decapsulate the second encapsulation packet of the target data packet, and send the target data packet to the machine room router.
Optionally, the method further includes: and the physical machine is used for receiving the target data packet sent by the gateway of the public cloud or sending a response data packet to the gateway of the public cloud.
The embodiment of the invention also provides a data processing method which is applied to the load balancing server and comprises the following steps:
obtaining a request data packet from a client;
encapsulating the request data packet into a first encapsulating packet, and setting a destination IP address of the first encapsulating packet for the first encapsulating packet;
sending the first encapsulation packet to a gateway of a public cloud according to the destination IP address of the first encapsulation packet;
obtaining a second encapsulation packet fed back by the gateway of the public cloud;
obtaining the response data packet from the second encapsulation packet, wherein the response data packet corresponds to the request data packet;
and sending the response data packet to the client.
Optionally, the source IP address of the request packet is a private network IP address of the load balancing server.
Optionally, the source IP address of the first encapsulation packet of the request packet is the public network IP address of the load balancing server.
Optionally, the destination IP address of the response packet is a private network IP address of the load balancing server.
The embodiment of the invention also provides a data processing device, which is applied to the load balancing server, and the device comprises:
the first acquisition module is used for acquiring a request data packet from a client;
the encapsulation module is used for encapsulating the request data packet into a first encapsulation packet and setting a destination IP address of the first encapsulation packet for the first encapsulation packet;
the first sending module is used for sending the first encapsulating packet to a gateway of a public cloud according to the destination IP address of the first encapsulating packet;
the second obtaining module is used for obtaining a second encapsulation packet fed back by the gateway of the public cloud;
a decapsulation module, configured to obtain the response data packet from the second encapsulation packet, where the response data packet corresponds to the target data packet;
and the second sending module is used for sending the response data packet to the client.
The embodiment of the invention also provides a data processing method, which is characterized in that the method is applied to the router of the public cloud, and the method comprises the following steps:
obtaining a second encapsulation packet of a target data packet provided by a gateway of a public cloud;
decapsulating the second encapsulation packet of the target data packet to obtain the target data packet;
sending the target data packet to a machine room router;
obtaining a response data packet provided by the machine room router and aiming at the target data packet;
encapsulating the response data packet into a first encapsulation packet of the response data packet;
and sending a first encapsulation packet of the response data packet to the gateway of the public cloud.
Optionally, the router of the public cloud is connected to the machine room server through a physical dedicated line or a high-speed channel.
The embodiment of the invention also provides a data processing device, which is applied to the router of the public cloud, and the device comprises:
the first acquisition module is used for acquiring a second encapsulation packet of the target data packet provided by the gateway of the public cloud;
a decapsulation module, configured to decapsulate a second encapsulation packet of the target data packet to obtain the target data packet;
the first sending module is used for sending the target data packet to a machine room router;
a second obtaining module, configured to obtain a response packet for the target packet, where the response packet is provided by the machine room router;
the packaging module is used for packaging the response data packet into a first packaging packet of the response data packet;
and the second sending module is used for sending the first encapsulation packet of the response data packet to the gateway of the public cloud.
The embodiment of the invention also provides a data processing method, which comprises the following steps:
the load balancing computing equipment is positioned in a first network domain and used for receiving a network request of a client;
the load balancing computing equipment modifies the target address of the network request into a cloud server located in a second network domain or modifies the target address of the network request into a local server located in a third network domain according to a preset rule;
the load balancing computing device sends the network request to a forwarding computing device located in a second network domain, wherein the forwarding computing device is configured to forward the first network request to the cloud server or the local server.
Optionally, the first network domain comprises a private cloud; the second network domain comprises a public cloud; the forwarding computing device includes a cloud gateway.
The embodiment of the invention provides a traffic migration system, which is characterized in that a response data packet is sent to a public cloud router through a machine room router, and the response data packet is encapsulated by the public cloud router to form a first encapsulation packet of the response data packet; sending the second encapsulation packet to a load balancing server; and after the load balancing server decapsulates the response data packet, sending the response data packet to the client.
Compared with the prior art, the data packet is transmitted between the load balancing server and the IDC machine room server, the service flow deployed in the IDC machine room by the user can be migrated to the load balancing server in the VPC environment by the machine room router, and then the user can receive the response data packet of the machine room server through the client to manage the flow.
Drawings
FIG. 1 is a schematic diagram of a real-time environment in accordance with various embodiments of the present invention;
fig. 2 is a schematic structural diagram of a traffic migration system according to an embodiment of the present invention;
FIG. 3 is a flow chart of a data processing method provided by an embodiment of the invention;
FIG. 4 is a flow chart of a data processing method according to another embodiment of the invention;
FIG. 5 is a schematic diagram of a data processing apparatus according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a data processing apparatus according to another embodiment of the present invention.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather construed as limited to the embodiments set forth herein.
In the present invention, a traffic migration system, a traffic migration method, and a traffic migration apparatus are provided, respectively, and detailed descriptions are made in the following embodiments one by one. In order to facilitate understanding of the technical solutions provided by the present invention, before detailed description of the embodiments, the technical solutions of the present invention are briefly described.
Please refer to fig. 1, which is a schematic structural diagram of a real-time environment according to an embodiment of the present application. The implementation environment includes: client, hybrid cloud and IDC computer lab.
According to one embodiment of the application, the client is generally used as a portal of the hybrid cloud system, and may be installed with an application client or a browser through which the application web client is accessed. The application client and the web page client are collectively referred to as the client in the embodiments of the present invention, and are not specifically stated below.
According to one embodiment of the application, the hybrid cloud comprises one SLB server (also called a load balancing server) or a service cluster consisting of a plurality of SLB servers, and the load balancing server is used for interacting with the client to meet the requirement of the user for accessing the resources on the cloud.
An IDC (Internet Data Center) room generally refers to an IDC room where an enterprise deploys services locally, and the IDC room includes multiple room servers, where the room servers may be one physical machine or virtual machine, or a combination of physical machines and virtual machines. According to one embodiment of the application, after the IDC machine room is connected with the hybrid cloud, a user can access resources of the machine room server in the IDC machine room through an inlet of the load balancing server in the hybrid cloud, and enterprise services can be deployed on the hybrid cloud and the IDC machine room at the same time, so that the user services can be migrated from the local to the cloud.
It should be noted that, in the embodiments of the present invention, the terms referred to are:
the public cloud is typically a cloud provided by a third party provider for use by the user. The user accesses the service through the internet and does not own cloud computing resources. In a public cloud environment, a Network of a tenant may be customized, which is called an overlay Network, Virtual machines inside the overlay Network may communicate with each other, the overlay generally implements tenant Network isolation through a tunneling technique such as VXLAN (Virtual eXtensible Local Area Network) and NVGRE protocol, and instances running in the overlay Network are generally Virtual machines and Network instances of the tenant, such as load balancing instances.
The VPC is a technical solution for providing a private cloud environment for a user in a public cloud environment, and is a private network environment or a network container constructed by the user on the cloud, and different tenants are isolated at a network layer to achieve higher security. VPC is also a dynamically configured pool of public cloud computing resources that requires the use of encryption protocols, tunneling protocols, and other security procedures to transfer data between private and public clouds.
Private clouds, which are typically built for individual use by a customer, are meant to be proprietary resources. The private cloud may be built by the company's IT organization itself, or by a cloud provider, which provides effective control over data, security, and quality of service. The private cloud has high controllability due to small external interference factors of the environment.
The hybrid cloud is an IT framework, is an integration of a public cloud and a private cloud, is connected with the VPC through an internet private line or a VPN, and is changed into a complete internal network, so that the data security of the private cloud is ensured, and the product functions and the flexibility of computing resources of the public cloud can be utilized.
The VPN technology is one of the important technologies possessed by routers, and the core of the VPN is to establish a virtual private network by using a public network. The method is used for the secure network access from the private cloud of the user or the private machine room to the public cloud under the mixed cloud scene, and can be understood as a virtualized enterprise internal private line. It can establish a private communication line between two or more intranets connected to the Internet at different locations by a special encrypted communication protocol.
The SLB (Server Load Balancing) is divided into a public network instance and a private network instance, the public network SLB provides service for the Internet, and the private network instance provides service for the used network address and provides service for the private network address to the VPC.
The public cloud gateway provides routing and addressing service for the servers in the VPC on the public cloud, can address the IP address of the physical server bearing the virtual IP address through the virtual IP address of the server, and correctly forwards the data packet with the destination address being the IP of the virtual server to the corresponding physical server through the tunnel.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings.
Fig. 2 is a schematic structural diagram of a traffic migration system according to an embodiment of the present invention, where the traffic migration system includes: the system comprises a machine room router, a public cloud gateway and a load balancing server;
and the machine room router is positioned in the IDC machine room, and a server in the IDC machine room is used for storing services locally deployed by the user.
The public cloud router is used for sending a target data packet to the machine room router, receiving a response data packet sent by the machine room router, and sending a first encapsulation packet of the response data packet to the public cloud gateway;
specifically, the public cloud router and the machine room router are connected in advance through a physical dedicated line or a high-speed channel, so that the target data packet and the reply data packet are reachable by a route between the machine room router and the public cloud router.
The destination IP address of the target data packet is the same as the source IP address of the response data packet, and the routing table of the machine room router stores the corresponding relation between the IP address of the public cloud router and the source IP address of the response data packet. And the machine room router searches the information of the routing table according to the corresponding relation of the IP addresses and sends the response data packet to the router of the public cloud.
Specifically, after receiving the response packet, the router of the public cloud encapsulates the response packet by using the VXLAN technology to obtain a first encapsulation packet of the response packet. The source IP address in the first encapsulation packet of the response data packet is the IP address of the public cloud router, and the routing table of the public cloud router stores the corresponding relation between the IP address of the public cloud router and the IP address of the public cloud gateway. And the router of the public cloud searches the information of the routing table according to the corresponding relation of the IP addresses and sends the first encapsulation packet of the response data packet to the gateway of the public cloud.
The public cloud gateway is used for receiving a first encapsulation packet of the response data packet sent by the public cloud router, replacing the first encapsulation packet of the response data packet with a second encapsulation packet of the response data packet, and sending the second encapsulation packet of the response data packet to the load balancing server;
specifically, the public cloud gateway stores a network segment address of the source address conversion pool of the load balancing server, and when the destination IP address of the response packet is the network segment address of the source address conversion pool of the load balancing server, the public cloud gateway sends the response packet to the load balancing server.
Specifically, the first encapsulation packet of the response packet is replaced by the second encapsulation packet of the response packet, and the specific conversion process is as follows: replacing the destination address of the first encapsulated packet of the response data packet with the private network IP address of the load balancing server to form the destination IP address of the second encapsulated packet;
and the source IP address of the first encapsulating packet of the response data packet and the source IP address of the second encapsulating packet of the response data packet are both the IP addresses of the router of the public cloud. And transmitting a second encapsulated packet of the response data packet to the load balancing server through the conversion of the IP address.
And the load balancing server is used for receiving a second packaging packet of the response data packet sent by the gateway of the public cloud, obtaining the response data packet from the second packaging packet of the response data packet, and sending the response data packet to the client.
In summary, in the traffic migration system provided in the embodiment of the present invention, a response data packet is sent to a public cloud router through a machine room router, and the response data packet is encapsulated by the public cloud router to form a first encapsulation packet of the response data packet; after receiving a first encapsulation packet sent by a public cloud router, a public cloud gateway replaces a destination IP address of the first encapsulation packet to form a second encapsulation packet of a response data packet, and then sends the second encapsulation packet to a load balancing server; and after the load balancing server decapsulates the response data packet, the response data packet is sent to the client after the corresponding conversion of the IP address.
Compared with the prior art, the service flow deployed in the IDC machine room by the user can be migrated to the load balancing server of the user in the VPC environment through the machine room router, so that the public cloud and the IDC machine room server are connected, and the user can manage the flow through the client. As shown in fig. 2, a router of a public cloud, a gateway of the public cloud, and a load balancing server all belong to entities in a VPC network environment, the VPC network environment may operate on the public cloud, and an IDC room server is set independently of the public cloud. In addition, in the migration process of the service flow, the destination IP address and the source IP address are kept unchanged, and the response data packet is encapsulated and the destination IP address and the source IP address of the encapsulated packet are changed, so that a user cannot feel the change of the IP addresses in the migration process of the flow, and the seamless migration of the flow is realized.
In an optional embodiment of the present invention, the traffic migration system further comprises: the computer room server is used for receiving the target data packet sent by the computer room router and sending a response data packet of the target data packet to the computer room router;
the destination IP address of the target data packet is the IP address of the machine room server, and the destination IP address of the response data packet is the private network IP address of the load balancing server.
The machine room server and the machine room router are both deployed in the user IDC machine room, the machine room server sends the response data packet to the machine room router, and the response data packet is reachable through the router.
In an optional embodiment of the present invention, the traffic migration system further comprises: and the client is used for configuring the machine room server as a back-end server of the load balancing server.
Specifically, the machine room server is used as a physical machine or a virtual machine in a public cloud VPC environment, and the destination IP address of the machine room server is added as the IP address of the physical machine or the virtual machine.
In an optional embodiment of the present invention, the load balancing server is further configured to convert the public network IP address of the load balancing server into a private network IP address of the load balancing server, and store the IP conversion information in the load balancing server.
Specifically, the load balancing server stores a network segment address of the source address conversion pool, the network segment address is used in a public cloud VPC environment, when the client accesses the VPC of the public cloud to receive a response data packet, the response data packet sends and receives a target IP address in the public network as the IP address of the client, and the source IP address is the public network IP address of the load balancing server. The destination IP address of the response data packet in the VPC private network environment is the private network IP address of the load balancer, and the source IP address is the IP address of the machine room server.
The method comprises the steps that a Session table is stored in a load balancing server in advance, corresponding conversion information of a source IP address and a destination IP address is stored in the Session table, when a response data packet needs to be routed to a public network through a VPC, the source IP address of the response data packet is converted into the public network IP address of the load balancing server through the IP address of a machine room server, the destination IP address of the response data packet is converted into the IP address of a client through the private network IP address of a load balancer, and a user receives the response data packet through the conversion of the IP address.
In an optional embodiment of the present invention, the load balancing server is further configured to receive a target data packet sent by the client, and encapsulate the target data packet into a first encapsulation packet of the target data packet;
the source IP address of the target data packet is a private network IP address of the load balancing server, the source IP address of the first encapsulating packet of the target data packet is a public network IP address of the load balancing server, and the target IP address of the first encapsulating packet of the target encapsulating packet is an IP address of a public cloud gateway.
In an optional embodiment of the present invention, the public cloud gateway is further configured to receive a first encapsulation packet of the target data packet sent by the load balancing server, and replace a destination IP address of the first encapsulation packet of the target data packet with an IP address of the public cloud router to form a second encapsulation packet of the target data packet;
and the gateway of the public cloud sends the second encapsulation packet of the target data packet to the router of the public cloud.
In an optional embodiment of the present invention, the router of the public cloud is further configured to receive a second encapsulation packet of the target data packet sent by the gateway of the public cloud, decapsulate the second encapsulation packet of the target data packet, and send the target data packet to the router of the computer room.
In an optional embodiment of the present invention, the traffic migration system further comprises: and the physical machine is used for receiving the target data packet sent by the gateway of the public cloud or sending a response data packet to the gateway of the public cloud.
Referring to fig. 3, it is a flowchart of a data processing method according to an embodiment of the present invention, where the data processing method may be applied to a load balancing server, and the data processing method includes:
step S101: obtaining a request data packet from a client;
the source IP address of the request data packet is the IP address of the client, and the destination address is the IP address of the machine room server. Before the client sends the request data packet to the load balancing server, a machine room server needs to be added as a back-end server of the load balancing server, so that the IP address of the machine room server is known in advance.
The load balancing server is used as a flow inlet of a public network, and after receiving a request data packet sent by a client, the load balancing server forwards the request data packet in a VPC private network environment. At this time, the load balancing server performs the IP address translation. The IP addresses before and after conversion are shown in table 1:
| before transformation | After transformation | |
| Source IP address | The client side comprises the following steps: 220.2.2.2 | SLB private network: 10.0.1.1 |
| Destination IP address | SLB public network as follows: 120.1.1.1 | A machine room server: 192.168.1.1 |
As can be seen from table 1, the source IP address of the converted request packet is the private network IP address of the load balancing server, the destination IP address is the IP address of the machine room server, and the IP conversion information is stored as a Session table and stored in the load balancing server. In the subsequent steps, the request data packets refer to the target data packets after the IP addresses are converted.
Step S102: encapsulating the request data packet into a first encapsulating packet, and setting a destination IP address of the first encapsulating packet for the first encapsulating packet;
the source IP address of the first encapsulating packet is a public network IP address of the load balancing server, and the destination IP address of the first encapsulating packet is an IP address of a gateway of a public cloud.
Step S103: sending the first encapsulation packet to a gateway of a public cloud according to the destination IP address of the first encapsulation packet;
step S104: obtaining a second encapsulation packet fed back by the gateway of the public cloud;
wherein the source IP address of the second encapsulation packet is the IP address of the gateway of the public cloud, the destination IP address of the second encapsulation packet is the public network IP address of the load balancing server,
step S105: obtaining the response data packet from the second encapsulation packet, wherein the response data packet corresponds to the request data packet;
the destination IP address of the response data packet is a private network IP address of the complex equilibrium server, and the source IP address is an IP address of the machine room server.
Step S106: and sending the response data packet to the client.
After receiving the response data packet, the load balancing server performs reverse conversion of the IP address according to the saved Session table, specifically referring to table 1, where the source IP address of the converted response data packet is the public network IP address of the load balancing server, and the destination IP address of the response data packet is the IP address of the client.
In summary, in the data processing method provided in the embodiment of the present invention, a request data packet provided by a client is obtained, and the request data packet is encapsulated and then sent to a gateway of a public cloud; and sending the response data packet to the client by obtaining the encapsulation packet of the response data packet sent by the gateway of the public cloud.
Compared with the prior art, the load balancing server can be used as an entrance of public network traffic, the public network traffic is migrated to the IDC machine room server of the user through the load balancing server, and then the user can manage the traffic through the client. In addition, in the process of migrating the service flow, the destination IP address and the source IP address of the request data packet and the response data packet are kept unchanged, and the destination IP address and the source IP address of the encapsulated packet are changed by encapsulating the request data packet and the response data packet, so that a user can not feel the change of the IP addresses in the process of migrating the flow, and the seamless migration of the flow is realized.
Referring to fig. 4, which is a flowchart of a data processing method according to another embodiment of the present invention, the traffic migration method may be applied to a router of a public cloud, and the traffic migration method includes:
step S201: obtaining a second encapsulation packet of a target data packet provided by a gateway of a public cloud;
the public cloud gateway is positioned in the hybrid cloud system and used for sending and receiving data between the hybrid cloud system and the user IDC machine room; after the client sends the target data packet, in the hybrid cloud system, the load balancing server packages the target data packet for the first time and sends the target data packet to the gateway of the public cloud, and the gateway of the public cloud packages the target data packet for the second time and sends the target data packet to the router of the public cloud.
Specifically, the source IP address of the second encapsulated packet of the target data packet and the source IP address of the first encapsulated packet of the target data packet are both private network IP addresses of the load balancing server, and the destination IP address of the second encapsulated packet of the target data packet is an IP address of the public cloud router. The private network IP address of the load balancing server refers to an IP address in a VPC private network environment in the hybrid cloud system.
Step S202: decapsulating the second encapsulation packet of the target data packet to obtain the target data packet;
step S203: sending the target data packet to a machine room router;
the source IP address of the target data packet is the private network IP address of the load balancing server, and the destination IP address of the target data packet is the IP address of the machine room server.
Step S204: obtaining a response data packet provided by the machine room router and aiming at the target data packet;
the source IP address of the response data packet is the IP address of the machine room server, and the destination IP address of the response data packet is the private network IP address of the load balancing server.
Step S205: encapsulating the response data packet into a first encapsulation packet of the response data packet;
the source IP address of the first encapsulating packet of the response data packet is the IP address of the router of the public cloud, and the destination IP address of the first encapsulating packet of the response data packet is the public network IP address of the load balancing server. The public network IP address of the load balancing server refers to an IP address used by the load balancing server for accessing public network resources with the client.
Step S206: and sending a first encapsulation packet of the response data packet to the gateway of the public cloud.
In an optional embodiment of the present invention, the router of the public cloud is connected to the server in the computer room through a physical dedicated line or a high-speed channel.
In summary, in the data processing method provided in the embodiment of the present invention, the second encapsulation packet of the target data packet provided by the public cloud gateway is obtained, the target data packet is sent to the machine room router after decapsulation, the response data packet provided by the machine room router is obtained, and the first encapsulation packet of the response data packet is sent to the public cloud gateway after encapsulating the response data packet.
Compared with the prior art, the public cloud router can migrate the service flow of the public network and the service flow of the IDC machine room server of the user, and the service can be deployed in the mixed cloud system and the IDC machine room environment of the user at the same time. In addition, in the process of migrating the service flow, the destination IP address and the source IP address of the target data packet and the response data packet are kept unchanged, and the destination IP address and the source IP address of the encapsulated packet are changed by encapsulating the destination data packet and the response data packet, so that a user can not feel the change of the IP addresses in the process of migrating the flow, and the seamless migration of the flow is realized.
In the above embodiments, a data processing method is provided, and accordingly, the present invention provides a data processing apparatus, which is relatively simple to describe because the apparatus embodiments are basically similar to the method embodiments, and relevant portions can be referred to the corresponding description of the method embodiments. The device embodiments described below are merely illustrative.
Referring to fig. 5, which is a schematic diagram of a data processing apparatus according to an embodiment of the present invention, the data processing apparatus may be applied to a load balancing server, and the data processing apparatus includes:
the first acquisition module is used for acquiring a request data packet from a client;
the encapsulation module is used for encapsulating the request data packet into a first encapsulation packet and setting a destination IP address of the first encapsulation packet for the first encapsulation packet;
the first sending module is used for sending the first encapsulating packet to a gateway of a public cloud according to the destination IP address of the first encapsulating packet;
the second obtaining module is used for obtaining a second encapsulation packet fed back by the gateway of the public cloud;
a decapsulation module, configured to obtain the response data packet from the second encapsulation packet, where the response data packet corresponds to the target data packet;
and the second sending module is used for sending the response data packet to the client.
Referring to fig. 6, which is a schematic diagram of a data processing apparatus according to another embodiment of the present invention, the data processing apparatus may be applied to a router of a public cloud, and the data processing apparatus includes:
the first acquisition module is used for acquiring a second encapsulation packet of the target data packet provided by the gateway of the public cloud;
a decapsulation module, configured to decapsulate a second encapsulation packet of the target data packet to obtain the target data packet;
the first sending module is used for sending the target data packet to a machine room router;
a second obtaining module, configured to obtain a response packet for the target packet, where the response packet is provided by the machine room router;
the packaging module is used for packaging the response data packet into a first packaging packet of the response data packet;
and the second sending module is used for sending the first encapsulation packet of the response data packet to the gateway of the public cloud.
The embodiment of the invention discloses an electronic device, which comprises: a processor; a memory for storing a traffic migration program that when read and executed by the processor performs the following operations:
obtaining a request data packet from a client;
encapsulating the request data packet into a first encapsulating packet, and setting a destination IP address of the first encapsulating packet for the first encapsulating packet;
sending the first encapsulation packet to a gateway of a public cloud according to the destination IP address of the first encapsulation packet;
obtaining a second encapsulation packet fed back by the gateway of the public cloud;
obtaining the response data packet from the second encapsulation packet, wherein the response data packet corresponds to the target data packet;
and sending the response data packet to the client.
The embodiment of the invention also discloses an electronic device, which comprises: a processor; a memory for storing a traffic migration program that when read and executed by the processor performs the following operations:
obtaining a second encapsulation packet of a target data packet provided by a gateway of a public cloud;
decapsulating the second encapsulation packet of the target data packet to obtain the target data packet;
sending the target data packet to a machine room router;
obtaining a response data packet provided by the machine room router and aiming at the target data packet;
encapsulating the response data packet into a first encapsulation packet of the response data packet;
and sending a first encapsulation packet of the response data packet to the gateway of the public cloud.
The embodiment of the invention discloses a computer readable storage medium, which is stored with a computer program, and is characterized in that the program realizes the following steps when being executed by a processor:
obtaining a request data packet from a client;
encapsulating the request data packet into a first encapsulating packet, and setting a destination IP address of the first encapsulating packet for the first encapsulating packet;
sending the first encapsulation packet to a gateway of a public cloud according to the destination IP address of the first encapsulation packet;
obtaining a second encapsulation packet fed back by the gateway of the public cloud;
obtaining the response data packet from the second encapsulation packet, wherein the response data packet corresponds to the target data packet;
and sending the response data packet to the client.
The embodiment of the invention also discloses a computer readable storage medium, which is stored with a computer program, and is characterized in that the program realizes the following steps when being executed by a processor:
obtaining a second encapsulation packet of a target data packet provided by a gateway of a public cloud;
decapsulating the second encapsulation packet of the target data packet to obtain the target data packet;
sending the target data packet to a machine room router;
obtaining a response data packet provided by the machine room router and aiming at the target data packet;
encapsulating the response data packet into a first encapsulation packet of the response data packet;
and sending a first encapsulation packet of the response data packet to the gateway of the public cloud.
In addition to the foregoing technical solutions, an embodiment of the present invention further provides a data processing method, where the method includes:
the load balancing computing equipment is positioned in a first network domain and used for receiving a network request of a client;
the load balancing computing equipment modifies the target address of the network request into a cloud server located in a second network domain or modifies the target address of the network request into a local server located in a third network domain according to a preset rule;
the load balancing computing device sends the network request to a forwarding computing device located in a second network domain, wherein the forwarding computing device is configured to forward the first network request to the cloud server or the local server.
The network domain is a computer set with a security boundary, computers in the same domain have established trust relationship with each other, and other machines are accessed in the domain without permission of the accessed machine. The first network domain may include a private cloud in which a load-balancing computing device, which may be, for example, an SLB, may be included. The second network domain may include a public cloud, which may include cloud servers, routers, and forwarding computing devices, which may include cloud gateways.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto, and variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
1. Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include non-transitory computer readable media (transient media), such as modulated data signals and carrier waves.
2. As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto, and variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (23)
1. A traffic migration system is characterized by comprising a machine room router, a public cloud gateway and a load balancing server;
the public cloud router is used for sending the target data packet to the machine room router, receiving a response data packet sent by the machine room router, and sending a first encapsulation packet of the response data packet to the public cloud gateway;
the public cloud gateway is used for receiving a first encapsulation packet of the response data packet sent by the router of the public cloud and sending a second encapsulation packet of the response data packet to the load balancing server;
the load balancing server is configured to receive a second encapsulation packet of the response data packet sent by the gateway of the public cloud, obtain the response data packet from the second encapsulation packet of the response data packet, and send the response data packet to a client.
2. A system according to claim 1, further comprising: the machine room server is used for receiving the target data packet sent by the machine room router and sending a response data packet of the target data packet to the machine room router;
and the destination IP address of the target data packet is the IP address of the machine room server, and the destination IP address of the response data packet is the private network IP address of the load balancing server.
3. The system according to claim 1, wherein the source IP address of the first encapsulating packet of the response packet and the source IP address of the second encapsulating packet of the response packet are both IP addresses of the router of the public cloud.
4. A system according to claim 1, further comprising: and the client is used for configuring the machine room server as a back-end server of the load balancing server.
5. The system according to claim 4, wherein the load balancing server is further configured to translate a public network IP address of the load balancing server into a private network IP address of the load balancing server, and store the IP translation information in the load balancing server.
6. The system according to claim 5, wherein the load balancing server is further configured to receive the target data packet sent by the client, and encapsulate the target data packet into a first encapsulation packet of the target data packet;
the source IP address of the target data packet is a private network IP address of the load balancing server, the source IP address of the first encapsulating packet of the target data packet is a public network IP address of the load balancing server, and the destination IP address of the first encapsulating packet of the target encapsulating packet is the IP address of the public cloud gateway.
7. The system according to claim 5, wherein the gateway of the public cloud is further configured to receive a first encapsulated packet of the target data packet sent by the load balancing server, and replace a destination IP address of the first encapsulated packet of the target data packet with an IP address of the router of the public cloud to form a second encapsulated packet of the target data packet;
and the gateway of the public cloud sends the second encapsulation packet of the target data packet to the router of the public cloud.
8. The system according to claim 5, wherein the router of the public cloud is further configured to receive a second encapsulation packet of the target data packet sent by the gateway of the public cloud, decapsulate the second encapsulation packet of the target data packet, and send the target data packet to the machine room router.
9. A system according to claim 1, further comprising: and the physical machine is used for receiving the target data packet sent by the gateway of the public cloud or sending a response data packet to the gateway of the public cloud.
10. A data processing method is applied to a load balancing server, and the method comprises the following steps:
obtaining a request data packet from a client;
encapsulating the request data packet into a first encapsulating packet, and setting a destination IP address of the first encapsulating packet for the first encapsulating packet;
sending the first encapsulation packet to a gateway of a public cloud according to the destination IP address of the first encapsulation packet;
obtaining a second encapsulation packet fed back by the gateway of the public cloud;
obtaining the response data packet from the second encapsulation packet, wherein the response data packet corresponds to the request data packet;
and sending the response data packet to the client.
11. A method according to claim 10, wherein the source IP address of the request packet is a private network IP address of the load balancing server.
12. A method according to claim 10, wherein the source IP address of the first encapsulated packet of the request packet is the public network IP address of the load balancing server.
13. A method according to claim 10, wherein the destination IP address of the reply packet is the private network IP address of the load balancing server.
14. A data processing apparatus, applied to a load balancing server, the apparatus comprising:
the first acquisition module is used for acquiring a request data packet from a client;
the encapsulation module is used for encapsulating the request data packet into a first encapsulation packet and setting a destination IP address of the first encapsulation packet for the first encapsulation packet;
the first sending module is used for sending the first encapsulating packet to a gateway of a public cloud according to the destination IP address of the first encapsulating packet;
the second obtaining module is used for obtaining a second encapsulation packet fed back by the gateway of the public cloud;
a decapsulation module, configured to obtain the response data packet from the second encapsulation packet, where the response data packet corresponds to the target data packet;
and the second sending module is used for sending the response data packet to the client.
15. A data processing method is applied to a router of a public cloud, and the method comprises the following steps:
obtaining a second encapsulation packet of a target data packet provided by a gateway of a public cloud;
decapsulating the second encapsulation packet of the target data packet to obtain the target data packet;
sending the target data packet to a machine room router;
obtaining a response data packet provided by the machine room router and aiming at the target data packet;
encapsulating the response data packet into a first encapsulation packet of the response data packet;
and sending a first encapsulation packet of the response data packet to the gateway of the public cloud.
16. A method according to claim 15, wherein the routers of the public cloud are connected to the room servers via physical private lines or high-speed tunnels.
17. A data processing apparatus, applied to a router of a public cloud, the apparatus comprising:
the first acquisition module is used for acquiring a second encapsulation packet of the target data packet provided by the gateway of the public cloud;
a decapsulation module, configured to decapsulate a second encapsulation packet of the target data packet to obtain the target data packet;
the first sending module is used for sending the target data packet to a machine room router;
a second obtaining module, configured to obtain a response packet for the target packet, where the response packet is provided by the machine room router;
the packaging module is used for packaging the response data packet into a first packaging packet of the response data packet;
and the second sending module is used for sending the first encapsulation packet of the response data packet to the gateway of the public cloud.
18. An electronic device, comprising: a processor; a memory for storing a traffic migration program that when read and executed by the processor performs the following operations:
obtaining a request data packet from a client;
encapsulating the request data packet into a first encapsulating packet, and setting a destination IP address of the first encapsulating packet for the first encapsulating packet;
sending the first encapsulation packet to a gateway of a public cloud according to the destination IP address of the first encapsulation packet;
obtaining a second encapsulation packet fed back by the gateway of the public cloud;
obtaining the response data packet from the second encapsulation packet, wherein the response data packet corresponds to the target data packet;
and sending the response data packet to the client.
19. An electronic device, comprising: a processor; a memory for storing a traffic migration program that when read and executed by the processor performs the following operations:
obtaining a second encapsulation packet of a target data packet provided by a gateway of a public cloud;
decapsulating the second encapsulation packet of the target data packet to obtain the target data packet;
sending the target data packet to a machine room router;
obtaining a response data packet provided by the machine room router and aiming at the target data packet;
encapsulating the response data packet into a first encapsulation packet of the response data packet;
and sending a first encapsulation packet of the response data packet to the gateway of the public cloud.
20. A computer-readable storage medium on which a computer program is stored, the program, when executed by a processor, performing the steps of:
obtaining a request data packet from a client;
encapsulating the request data packet into a first encapsulating packet, and setting a destination IP address of the first encapsulating packet for the first encapsulating packet;
sending the first encapsulation packet to a gateway of a public cloud according to the destination IP address of the first encapsulation packet;
obtaining a second encapsulation packet fed back by the gateway of the public cloud;
obtaining the response data packet from the second encapsulation packet, wherein the response data packet corresponds to the target data packet;
and sending the response data packet to the client.
21. A computer-readable storage medium on which a computer program is stored, the program, when executed by a processor, performing the steps of:
obtaining a second encapsulation packet of a target data packet provided by a gateway of a public cloud;
decapsulating the second encapsulation packet of the target data packet to obtain the target data packet;
sending the target data packet to a machine room router;
obtaining a response data packet provided by the machine room router and aiming at the target data packet;
encapsulating the response data packet into a first encapsulation packet of the response data packet;
and sending a first encapsulation packet of the response data packet to the gateway of the public cloud.
22. A data processing method, comprising:
the load balancing computing equipment is positioned in a first network domain and used for receiving a network request of a client;
the load balancing computing equipment modifies the target address of the network request into a cloud server located in a second network domain or modifies the target address of the network request into a local server located in a third network domain according to a preset rule;
the load balancing computing device sends the network request to a forwarding computing device located in a second network domain, wherein the forwarding computing device is configured to forward the first network request to the cloud server or the local server.
23. A method according to claim 22, characterized by:
the first network domain comprises a private cloud;
the second network domain comprises a public cloud;
the forwarding computing device includes a cloud gateway.
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