CN110830527A - Method and device for data communication between networks and data communication system - Google Patents

Method and device for data communication between networks and data communication system Download PDF

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Publication number
CN110830527A
CN110830527A CN201810891528.0A CN201810891528A CN110830527A CN 110830527 A CN110830527 A CN 110830527A CN 201810891528 A CN201810891528 A CN 201810891528A CN 110830527 A CN110830527 A CN 110830527A
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service
node
service node
network
cluster
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CN201810891528.0A
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Chinese (zh)
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谭海燕
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
    • H04L63/0218—Distributed architectures, e.g. distributed firewalls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1073—Registration or de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/104—Peer-to-peer [P2P] networks
    • H04L67/1044—Group management mechanisms 
    • H04L67/1046—Joining mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding

Abstract

The application provides a method, a device and a data communication system for data communication between networks, wherein the networks comprise a first network and a second network which are physically isolated, the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, the second service cluster comprises a second service node and a third service node, and the method comprises the following steps: when the second service node is to send a target message to the first service node, or when a broadcast message which is broadcasted by a third service node and contains a first service identifier and the target message is received, judging whether the second service node and the first service node establish connection; and if the second service node establishes connection with the first service node, the second service node sends the target message to the first service node. The method and the device can improve the efficiency and the accuracy of communication among the cross-network clusters.

Description

Method and device for data communication between networks and data communication system
Technical Field
The present application relates to the field of communications technologies, and in particular, to a data communication system, a method for data communication between networks, an apparatus for data communication between networks, and a machine-readable medium.
Background
With the rapid development of the internet, the threat of computer viruses to information security is increasing day by day. The damage originally caused by a single computer security incident may propagate to other systems and hosts, causing extensive crashes and losses. In view of information security, many enterprises adopt a dual-network approach, that is, an office network (intranet) for internal use and a production network (extranet) for external communication are established simultaneously, and the intranet and extranet are physically isolated from each other to prevent competitors from invading the intranet through the extranet.
Specifically, in the prior art, the services of the production network depend on the services of the office network, and the services of the office network provide basic capability and data for the services of the production network, so that the office network can access the production network, but the production network does not allow access to the office network in order to ensure the information security of the office network. If a data message is sent from the production network service cluster to a certain node of the office network, the message transmission can not be completed by using the existing technical scheme.
Disclosure of Invention
In view of the above problems, embodiments of the present application are proposed to provide a method for inter-network data communication and a corresponding device for inter-network data communication, a data communication system and a machine readable medium that overcome or at least partially solve the above problems.
In order to solve the above problem, an embodiment of the present application discloses a data communication system, where the data communication system includes a first network and a second network that are physically isolated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, the second service cluster includes a second service node and a third service node, and the first service node has a corresponding first service identifier;
the second service node is configured to send a target message to the first service node when the target message is to be sent to the first service node, or when a broadcast message that includes a first service identifier and the target message and is broadcast by a third service node is received, if it is determined that the second service node is connected to the first service node, send the target message to the first service node;
the third service node is configured to, when a target message is to be sent to the first service node, send a broadcast message to the second service cluster if it is determined that the third service node is not connected to the first service node, where the broadcast message includes the first service identifier and the target message.
Preferably, the first service node comprises a first sub-service, the second service node comprises a first management service, and the first sub-service comprises a first service identifier;
the first sub-service is configured to connect the first service identifier as a parameter with the first management service through a virtual IP, and generate a long connection between the first service node and the second service node;
the first management service is used for storing the first service identification in a local connection list.
Preferably, the second serving node further comprises a first sending service;
the first sending service is used for generating a first query request according to the first service identifier when a target message is to be sent to the first sub-service, sending the first query request to the first management service, receiving a corresponding query result returned by the first management service, and sending the target message to the first sub-service through the long connection when the query result is a query success result;
the first management service is configured to, after receiving the first query request, search for a first service identifier in the first query request from the connection list, and return a query result to the first sending service.
Preferably, the third service node comprises a second management service and a second sending service;
the second sending service is configured to generate a second query request according to the first service identifier when a target message is to be sent to the first service node, and send the second query request to the second management service, where the second query request includes the first service identifier and the target message;
the second management service is configured to, after receiving the second query request, search for the first service identifier from a locally stored connection list, and when the first service identifier is not found, generate a broadcast message according to the second query request, and broadcast the broadcast message in the second service cluster;
the first management service is configured to search the first service identifier in a local connection list after receiving the broadcast message, and send the target message to the first sub-service through the connection if the search is successful.
Preferably, each node in the second service cluster communicates through a cluster message middleware MetaQ.
Preferably, the first service node is further configured to return a corresponding response result to the second service node after receiving the target message.
The embodiment of the application also discloses a method for data communication between networks, wherein the networks comprise a first network and a second network which are physically isolated, the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, the second service cluster comprises a second service node and a third service node, and the first service node is provided with a corresponding first service identifier;
the method comprises the following steps:
when the second service node is to send a target message to the first service node, or when a broadcast message which is broadcasted by a third service node and contains a first service identifier and the target message is received, judging whether the second service node and the first service node establish connection;
and if the second service node establishes connection with the first service node, the second service node sends the target message to the first service node.
Preferably, the first service node comprises a first sub-service, the second service node comprises a first management service, and the first sub-service comprises a first service identifier;
before the determining whether the second service node establishes a connection with the first service node, the method further includes:
the first management service receives a first service identifier sent by the first sub-service;
and based on the first service identifier, if the second service node is judged to establish connection with the first service node, storing the first service identifier in a local connection list.
Preferably, the second serving node further comprises a first sending service;
the determining whether the second service node establishes a connection with the first service node includes:
the first sending service generates a first query request according to a first service identifier of the first sub-service, and sends the first query request to the first management service;
after receiving the first query request, the first management service searches the first service identifier from the connection list and returns a query result to the first sending service, wherein the query result comprises a query success result or a query failure result;
the first sending service judges that the second service node establishes connection with the first service node according to the query success result;
and the first sending service judges that the second service node is not connected with the first service node according to the query failure result.
Preferably, the second serving node sending the target message to the first serving node includes:
for a target message to be sent by the second serving node to the first serving node, the first sending service sending the target message directly into the first sub-service;
and aiming at the broadcast message, the first management service directly sends the target message to the first sub-service.
Preferably, the method further comprises the following steps:
and receiving a response result returned by the first service node based on the target message.
The embodiment of the application also discloses a method for data communication between networks, wherein the networks comprise a first network and a second network which are physically isolated, the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, the second service cluster comprises a second service node and a third service node, and the first service node is provided with a corresponding first service identifier;
the method comprises the following steps:
when the third service node is to send a target message to the first service node, judging whether the third service node and the first service node establish connection;
if the third service node is not connected with the first service node, the third service node generates a broadcast message according to the first service identifier and the target message;
and sending the broadcast message to the second service cluster to request other service nodes connected with the first service node in the second service cluster to send the target message to the first service node.
Preferably, the first service node comprises a first sub-service, and the third service node comprises a second management service and a second sending service;
the determining whether the third service node establishes a connection with the first service node includes:
the second sending service generates a second query request according to a first service identifier of the first sub-service, and sends the second query request to the second management service, wherein the second query request comprises the first service identifier and the target message;
after receiving the second query request, the second management service searches the first service identifier from a locally stored connection list, and returns a query result to the second sending service, wherein the query result comprises a query success result or a query failure result;
the second sending service judges that the third service node establishes connection with the first service node according to the query success result;
and the second sending service judges that the third service node is not connected with the first service node according to the query failure result.
The embodiment of the present application further discloses a method for data communication between networks, where the networks include a first network and a second network that are physically isolated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, the second service cluster includes a second service node, and the method includes:
establishing a connection between the first serving node and the second serving node;
receiving a target message sent by the second service node;
and returning a response result corresponding to the target message to the second service node.
Preferably, the first service node comprises a first sub-service, and the second service node comprises a first management service;
the establishing a connection between the first serving node and the second serving node comprises:
and the first sub-service takes the first service identifier as a parameter, and is connected with the first management service through a virtual IP (Internet protocol) to generate long connection between the first service node and the second service node.
The embodiment of the application also discloses a device for data communication between networks, wherein the networks comprise a first network and a second network which are physically isolated, the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, the second service cluster comprises a second service node and a third service node, and the first service node has a corresponding first service identifier;
the device comprises:
a first connection determining module, configured to determine whether a connection between the second service node and the first service node is established when the second service node is to send a target message to the first service node, or when a broadcast message that includes a first service identifier and a target message and is broadcast by a third service node is received;
a target message sending module, configured to send the target message to the first service node by the second service node if the second service node establishes a connection with the first service node.
The embodiment of the application also discloses a device for data communication between networks, wherein the networks comprise a first network and a second network which are physically isolated, the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, the second service cluster comprises a second service node and a third service node, and the first service node has a corresponding first service identifier;
the device comprises:
a second connection determining module, configured to determine whether a connection between the third service node and the first service node is established when the third service node is to send a target message to the first service node;
a broadcast message generating module, configured to generate a broadcast message according to the first service identifier and the target message by the third service node if the third service node is not connected to the first service node;
a broadcast module, configured to send the broadcast message to the second service cluster to request other service nodes connected to the first service node in the second service cluster, and send the target message to the first service node.
The embodiment of the application also discloses a device for data communication between networks, wherein the networks comprise a first network and a second network which are physically isolated, the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, and the second service cluster comprises a second service node;
the device comprises:
a connection establishing module, configured to establish a connection between the first service node and the second service node;
a target message receiving module, configured to receive a target message sent by the second serving node;
and the response result returning module is used for returning a response result corresponding to the target message to the second service node.
The embodiment of the present application further discloses a data communication system, including:
one or more processors; and
one or more machine readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform a method of inter-network data communication as described above.
One or more machine-readable media having instructions stored thereon, which when executed by one or more processors, cause the processors to perform a method of inter-network data communication as described above, are also disclosed.
The embodiment of the application has the following advantages:
in this embodiment of the present application, when a second service node and/or a third service node in a second network wants to send a target message to a first service node in a first network, if a connection is established between the first service node and the second service node, the second service node may directly send the target message to the first service node; if the first service node and the third service node are not connected, the third service node can send the target message to the first service node through the second service node in the same cluster, so that the second network can send the message to the first network, the service nodes in the second network can send the message to any service node of the first network point to point accurately, and the efficiency and the accuracy of cross-network inter-cluster communication are improved.
Drawings
FIG. 1 is a block diagram of a data communication system embodiment of the present application;
FIG. 2 is a schematic diagram of a data communication system of the present application;
FIG. 3 is a flow chart of steps of a method embodiment of inter-network data communication of the present application;
FIG. 4 is a flow chart of steps of another embodiment of a method of inter-network data communication of the present application;
FIG. 5 is a flowchart of the steps of yet another embodiment of a method of inter-network data communication of the present application;
FIG. 6 is a block diagram illustrating an exemplary embodiment of an apparatus for data communication between networks according to the present application;
FIG. 7 is a block diagram of another embodiment of an apparatus for inter-network data communication according to the present application;
FIG. 8 is a block diagram of an apparatus for inter-network data communication according to yet another embodiment of the present application;
fig. 9 is a schematic structural diagram of an embodiment of a data communication system of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, a block diagram of an embodiment of a data communication system of the present application is shown that may include a first network 10 and a second network 20 that are physically separated.
In particular implementations, the first network 10 may include an office network and the second network 20 may include a production network. The services of the production network rely on the services of the office network, which provide the basic capabilities and data to the services of the production network.
The first network 10 is network isolated from the second network 20. In practice, the isolation policy of the first network 10 and the second network 20 may be set according to actual traffic demands, for example, after physical isolation is performed, the second network 20 is not allowed to access the first network 10, but the first network 10 may access the second network 20.
The first network 10 and the second network 20 each have a service cluster. Specifically, the first network 10 may include a first service cluster 101, and the second network 20 may include a second service cluster 201. In one embodiment, the second service cluster 201 may comprise a server cluster; the first service cluster 101 may include a hardware device cluster, for example, the first service cluster 101 may include hundreds of handsets, the hardware device cluster providing device services to the second network 20.
For ease of description, the nodes in a service cluster may be referred to collectively as service nodes, each service node having a corresponding node identification. In this embodiment of the application, a service node is randomly extracted from a first service cluster 101 as a first service node 1011, and two service nodes are randomly extracted from a second service cluster 201 as a second service node 2011 and a third service node 2012, so as to describe the principle of the embodiment of the application, it should be noted that, of course, the operation or the function of the first service node 1011 is applicable to each service node in the first service cluster 101, and the operation or the function of the second service node 2011 and the function of the third service node 2012 are applicable to each service node in the second service cluster 201.
In this embodiment, the second service node 2011 is configured to, when a target message is to be sent to the first service node 1011, or when a broadcast message that includes a first service identifier and the target message and is broadcast by a third service node 2012 is received, if it is determined that the second service node 2011 establishes a connection with the first service node 1011, send the target message to the first service node 1011;
the third service node 2012 is configured to, when a target message is to be sent to the first service node 1011, send a broadcast message to the second service cluster 201 if it is determined that the third service node 2012 does not establish a connection with the first service node 1011, where the broadcast message includes the first service identifier and the target message.
Specifically, if the first service node 1011 and the second service node 2011 establish a connection, when the second service node 2011 wants to send the target message to the first service node 1011, the second service node 2011 can directly send the target message to the first service node 1011 through the established connection, so that the second network 20 transmits the message to the first network 10.
If the first service node 1011 and the third service node 2012 are not connected, when the third service node 2012 wants to send the target message to the first service node 1011, the third service node 2012 may generate a broadcast message according to the corresponding first service identifier and the target message of the first service node 1011, and broadcast the broadcast message to the second service cluster 201. When the second service node 2011 receives the broadcast message, the broadcast message is analyzed to obtain a corresponding first service identifier and a target message, and then, the second service node 2011 determines whether the service node corresponding to the first service identifier establishes a connection with the second service node 2011, if so, the second service node 2011 directly sends the target message to the service node corresponding to the first node identifier, and if not, the second service node 2011 does not perform any processing or returns a prompt message indicating that no connection is established to the third service node 2012.
In the embodiment of the present application, each service node may include one or more services to provide different services to the outside. As an example, each service node in the first service cluster may include one or more sub-services, and each service node in the second service cluster may include one or more management services, sub-managers, and a sending service, Sender. Each sub service has a corresponding service identification sub which uniquely identifies the sub service.
The specific process of establishing connection and data transmission in the embodiment of the present application is described below with reference to the schematic diagram of the data communication system shown in fig. 2, in which the first service node includes a first sub-service a sub-service, the second service node includes a first management service a sub-manager and a first sending service a Sender, and the third service node includes a second management service BSubManager and a first sending service B Sender.
In fig. 2, a service and B service are both services of different service nodes in the first service cluster, and a Sender and B Sender are services on different service nodes in the second service cluster.
In a preferred embodiment of the present application, the connection between the first service node 1011 and the second service node 2011 can be established through a sub-service and a management service, and specifically,
the first sub-service is configured to connect the first service identifier as a parameter with the first management service through a virtual IP, and generate a long connection between the first service node and the second service node;
the first management service is used for storing the first service identification in a local connection list.
Specifically, after the a sub service is started, a specified protocol may be used, and the corresponding sub id is used as a parameter to actively connect with the sub manager of any service node in the second service cluster through a Virtual IP (VIP) address, for example, connect with the a sub manager in fig. 2. After the connection is established, ASubService establishes a long connection with the a SubManager, which can communicate bidirectionally.
As an example, the specified protocol may include, but is not limited to: WebSocket protocol, other TCP/IP based protocols, and the like.
In a specific implementation, the above process of establishing a connection is also a process in which an a Sub Service registers with an a Sub Manager, where the a Sub Service registers its own Sub id with the a Sub Manager, and the a Sub Manager maintains a Sub Service list, that is, a connection list, in the memory of all Sub services connected to the a Sub Service, where the connection list includes all Sub ids of all Sub services connected to the a Sub Service.
When the long connection is established, data transmission between the two networks can be performed, so that the first network 10 and the second network 20 can send messages to each other.
In a preferred embodiment of the present application, the first sending service is configured to, when a target message is to be sent to the first sub-service, generate a first query request according to a first service identifier of the first sub-service, send the first query request to the first management service, receive a corresponding query result returned by the first management service, and send the target message to the first sub-service through the long connection when the query result is a query success result;
the first management service is configured to, after receiving the first query request, search for a first service identifier in the first query request from the connection list, and return a query result to the first sending service.
For example, if the a Sender wants to send a target message to the a sub service, the a Sender may first generate a first query request according to the SubID of the ASubService, and send the first query request to the a sub manager to request the ASubManager to query whether the a sub service is registered in the a sub manager. After the A SubManager receives the first query request, searching the SubID of the A SubService in a local SubService list, and if the search is successful, indicating that the A SubService is registered in the A SubManager, generating a query success result; if the search fails, the result shows that the A SubService is not registered in the A SubManager, and a query failure result is generated. And after the A SubManager obtains the query result, returning the query result to the A Sender.
If the query result is a successful query result, the A Sender can directly send the target message to the A SubService through the connection established between the A SubManager and the ASubService. And receiving a response result returned by the ASubService through the long connection.
In practice, if the query result is a successful query result, the a sub manager may also directly send the target message to the a sub service.
If the query result is a query failure result, the ASubManager may generate a broadcast message according to the first query request and the target message, and broadcast the broadcast message in the second service cluster.
In a preferred embodiment of the present application, a broadcast process is described below by taking a third serving node as an example:
the second sending service is configured to generate a second query request according to the first service identifier of the first sub-service when a target message is to be sent to the first service node, and send the second query request to the second management service, where the second query request includes the first service identifier and the target message;
the second management service is configured to, after receiving the second query request, search a locally stored connection list for a first service identifier in the second query request, and when the first service identifier is not found, generate a broadcast message according to the second query request, and broadcast the broadcast message in the second service cluster;
the first management service is configured to search the first service identifier in a local connection list after receiving the broadcast message, and send the target message to the first sub-service through the connection if the search is successful.
For example, if the B Sender wants to send a target message to the a sub service, similarly, the B Sender may first generate a second query request according to the SubID of the a sub service and the target message, and send the second query request to the BSubManager to request the B sub manager to query whether the a sub service is registered in the B sub manager. After the BSubManager receives the second query request, searching the sub ID of the A sub service in a local sub service list, and if the search is successful, indicating that the A sub service is registered in the B sub manager, generating a query success result; and if the search fails, the A SubService is not registered in the B SubManager, and a query failure result is generated. And after the BSubManager obtains the query result, returning the query result to the B Sender.
Meanwhile, if the query result of B SubManager is a query failure result, B SubManager may generate a broadcast message according to the second query request, and broadcast the broadcast message to all submanagers in the second service cluster.
After receiving the broadcast message, the a sub manager parses the broadcast message to obtain the corresponding sub id and the target message, and then the a sub manager searches the sub id of the a sub service in the local sub service list, and if the search is successful, the a sub manager can directly send the target message to the a sub service through the connection established with the a sub service.
It should be noted that, the a subminiager may directly send the target message to the a submirvice, and then may return the obtained query success result to the B Sender in an original way, so as to notify the B Sender that the target message has been sent to the a submirvice.
In one embodiment, as shown in fig. 2, B SubManager may broadcast the broadcast message to all submanagers within the second service cluster through the cluster message middleware MetaQ.
The embodiment of the present application ensures multiple services of the second network 20 through the service registration and service query mechanism of the SubManager, and can accurately send the target message to any service of the first network 10 point to point.
It should be noted that the second network may further include an external network, and the SubManager may be deployed in the cloud server, and through the SubManager, the mutual communication between the nodes of the multiple service clusters may be implemented.
In this embodiment of the present application, when a second service node and/or a third service node in a second network wants to send a target message to a first service node in a first network, if a connection is established between the first service node and the second service node, the second service node may directly send the target message to the first service node; if the first service node and the third service node are not connected, the third service node can send the target message to the first service node through the second service node in the same cluster, so that the second network can send the message to the first network, the service nodes in the second network can send the message to any service node of the first network point to point accurately, and the efficiency and the accuracy of cross-network inter-cluster communication are improved.
Referring to fig. 3, a flowchart illustrating steps of an embodiment of a method for data communication between networks according to the present application is shown, where the networks include a first network and a second network that are physically separated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, the second service cluster includes a second service node and a third service node, and the first service node has a corresponding first service identifier.
The embodiment of the application specifically comprises the following steps:
step 301, when the second service node is to send a target message to the first service node, or when a broadcast message containing a first service identifier and a target message broadcast by a third service node is received, determining whether a connection is established between the second service node and the first service node;
step 302, if the second service node establishes a connection with the first service node, the second service node sends the target message to the first service node.
In a preferred embodiment of the present application, the first service node includes a first sub-service, the second service node includes a first management service, and the first sub-service includes a first service identifier;
before the step 301, the following steps may be further included:
the first management service receives a first service identifier sent by the first sub-service;
and based on the first service identifier, if the second service node is judged to establish connection with the first service node, storing the first service identifier in a local connection list.
In a preferred embodiment of the present application, the second service node further includes a first sending service;
said step 301 may further comprise the sub-steps of:
the first sending service generates a first query request according to a first service identifier of the first sub-service, and sends the first query request to the first management service;
after receiving the first query request, the first management service searches the first service identifier from the connection list and returns a query result to the first sending service, wherein the query result comprises a query success result or a query failure result;
the first sending service judges that the second service node establishes connection with the first service node according to the query success result;
and the first sending service judges that the second service node is not connected with the first service node according to the query failure result.
In a preferred embodiment of the present application, the step 302 further includes the following sub-steps:
for a target message to be sent by the second serving node to the first serving node, the first sending service sending the target message directly into the first sub-service;
and aiming at the broadcast message, the first management service directly sends the target message to the first sub-service.
In a preferred embodiment of the present application, the method may further include the following steps:
and receiving a response result returned by the first service node based on the target message.
In the embodiment of the application, when a second service node and/or a third service node in a second network sends a target message to a first service node in a first network, if a connection is established between the first service node and the second service node, the second service node can directly send the target message to the first service node, so that the second network sends the message to the first network, and the service nodes in the second network can accurately send the message to any service node in the first network point to point, thereby improving the efficiency and accuracy of inter-network cluster communication.
Referring to fig. 4, a flowchart illustrating steps of another embodiment of a method for inter-network data communication according to the present application is shown, where the network includes a first network and a second network that are physically separated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, the second service cluster includes a second service node and a third service node, and the first service node has a corresponding first service identifier;
the embodiment of the application specifically comprises the following steps:
step 401, when the third service node is to send a target message to the first service node, determining whether the third service node and the first service node establish a connection;
step 402, if the third service node is not connected to the first service node, the third service node generates a broadcast message according to the first service identifier and the target message;
step 403, sending the broadcast message to the second service cluster to request other service nodes connected to the first service node in the second service cluster, and sending the target message to the first service node.
In a preferred embodiment of the present application, the first service node includes a first sub-service, and the third service node includes a second management service and a second sending service;
the step 401 may further comprise the sub-steps of:
the second sending service generates a second query request according to the first service identifier of the first sub-service, and sends the second query request to the second management service;
after receiving the second query request, the second management service searches the first service identifier from a locally stored connection list, and returns a query result to the second sending service, wherein the query result comprises a query success result or a query failure result;
the second sending service judges that the third service node establishes connection with the first service node according to the query success result;
and the second sending service judges that the third service node is not connected with the first service node according to the query failure result.
In this embodiment of the present application, when a third service node in a second network wants to send a target message to a first service node in a first network, if a connection is not established between the first service node and the third service node, the third service node may send the target message to the first service node through the second service node in the same cluster, so that the second network sends the message to the first network, and the service node in the second network may send the message to any service node in the first network point-to-point accurately, thereby improving efficiency and accuracy of inter-network cluster communication.
Referring to fig. 5, a flowchart illustrating steps of a further embodiment of a method for inter-network data communication according to the present application is shown, wherein the network includes a first network and a second network that are physically separated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, and the second service cluster includes a second service node.
The embodiment of the application specifically comprises the following steps:
step 501, establishing a connection between the first service node and the second service node;
step 502, receiving a target message sent by the second service node;
step 503, returning a response result corresponding to the target message to the second service node.
In a preferred embodiment of the present application, the first service node includes a first sub-service, and the second service node includes a first management service;
the step 501 may specifically include the following sub-steps:
and the first sub-service takes the first service identifier as a parameter, and is connected with the first management service through a virtual IP (Internet protocol) to generate long connection between the first service node and the second service node.
In this embodiment of the present application, after a first network and a second network establish a connection between a first service node and a second service node through the first service node and the second service node, data transmission between the two networks may be performed, so that the first network and the second network can send messages to each other.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the embodiments are not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the embodiments. Further, those skilled in the art will also appreciate that the embodiments described in the specification are presently preferred and that no particular act is required of the embodiments of the application.
Referring to fig. 6, a block diagram of an embodiment of an apparatus for inter-network data communication according to the present application is shown, where the network includes a first network and a second network that are physically separated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, the second service cluster includes a second service node and a third service node, and the first service node has a corresponding first service identifier;
the device may specifically include the following modules:
a first connection determining module 601, configured to determine whether a connection between the second service node and the first service node is established when the second service node is to send a target message to the first service node, or when a broadcast message that includes a first service identifier and a target message and is broadcast by a third service node is received;
a target message sending module 602, configured to send the target message to the first service node by the second service node if the second service node establishes a connection with the first service node.
In a preferred embodiment of the present application, the first service node includes a first sub-service, the second service node includes a first management service, and the first sub-service includes a first service identifier;
the apparatus may further include the following modules:
a first service identifier receiving module, configured to receive, by the first management service, a first service identifier sent by the first sub-service;
and the service identifier storage module is used for storing the first service identifier in a local connection list if the second service node is judged to be connected with the first service node based on the first service identifier.
In a preferred embodiment of the present application, the second service node further includes a first sending service;
the first connection determining module 601 may include the following sub-modules:
a first query request generation sub-module, configured to generate a first query request according to a first service identifier of the first sub-service by the first sending service, and send the first query request to the first management service;
the query submodule is used for searching the first service identifier from the connection list after the first query request is received through the first management service, and returning a query result to the first sending service, wherein the query result comprises a query success result or a query failure result;
a first connection determination sub-module, configured to determine, by the first sending service, that the second service node and the first service node establish a connection according to the result of the successful query;
and the second connection judgment sub-module is used for judging that the second service node is not connected with the first service node by the first sending service according to the query failure result.
In a preferred embodiment of the present application, the target message sending module 602 may include the following sub-modules:
a first target message sending sub-module, configured to send, by the first sending service, a target message to be sent to the first service node by the second service node, where the target message is directly sent to the first sub-service by the first sending service;
and the second target message sending submodule is used for directly sending the target message to the first sub-service by the first management service aiming at the broadcast message.
In a preferred embodiment of the present application, the apparatus may further include the following modules:
and the response result receiving module is used for receiving a response result returned by the first service node based on the target message.
Referring to fig. 7, a block diagram of another embodiment of an apparatus for inter-network data communication according to the present application is shown, where the network includes a first network and a second network that are physically separated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, the second service cluster includes a second service node and a third service node, and the first service node has a corresponding first service identifier;
the embodiment of the invention can specifically comprise the following modules:
a second connection determining module 701, configured to determine whether a connection between the third service node and the first service node is established when the third service node is to send a target message to the first service node;
a broadcast message generating module 702, configured to, if the third service node does not establish a connection with the first service node, generate, by the third service node, a broadcast message according to the first service identifier and the target message;
a broadcasting module 703, configured to send the broadcast message to the second service cluster, so as to request other service nodes connected to the first service node in the second service cluster to send the target message to the first service node.
In a preferred embodiment of the present application, the first service node includes a first sub-service, and the third service node includes a second management service and a second sending service;
the second connection determining module 701 may further include the following sub-modules:
a second query request generation sub-module, configured to generate a second query request according to the first service identifier of the first sub-service through the second sending service, and send the second query request to the second management service;
the query submodule is used for searching the first service identifier from a locally stored connection list after the second query request is received by the second management service, and returning a query result to the second sending service, wherein the query result comprises a query success result or a query failure result;
a third connection determination submodule, configured to determine, according to the result of successful query, that the third service node is connected to the first service node by using the second sending service;
and the fourth connection judgment submodule is used for judging that the third service node is not connected with the first service node according to the query failure result through the second sending service.
Referring to fig. 8, a block diagram of a further embodiment of an inter-network data communication apparatus according to the present application is shown, where the network includes a first network and a second network that are physically separated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, and the second service cluster includes a second service node;
the embodiment of the invention can specifically comprise the following modules:
a connection establishing module 801, configured to establish a connection between the first service node and the second service node;
a target message receiving module 802, configured to receive a target message sent by the second serving node;
a response result returning module 803, configured to return a response result corresponding to the target message to the second service node.
In a preferred embodiment of the present application, the first service node includes a first sub-service, and the second service node includes a first management service;
the connection establishing module 801 is further configured to:
and the first sub-service takes the first service identifier as a parameter, and is connected with the first management service through a virtual IP (Internet protocol) to generate long connection between the first service node and the second service node.
Embodiments of the disclosure may be implemented as a system using any suitable hardware, firmware, software, or any combination thereof, for the desired configuration. Fig. 9 schematically illustrates an exemplary data communication system 900 that can be used to implement various embodiments described in this disclosure.
For one embodiment, fig. 9 illustrates an exemplary system 900 having one or more processors 902, a system control module (chipset) 904 coupled to at least one of the processor(s) 902, a system memory 906 coupled to the system control module 904, a non-volatile memory (NVM)/storage 908 coupled to the system control module 904, one or more input/output devices 910 coupled to the system control module 904, and a network interface 912 coupled to the system control module 906.
The processor 902 may include one or more single-core or multi-core processors, and the processor 902 may include any combination of general-purpose or special-purpose processors (e.g., graphics processors, application processors, baseband processors, etc.). In some embodiments, the system 900 can be used as a data platform as described in embodiments herein.
In some embodiments, system 900 may include one or more computer-readable media (e.g., system memory 906 or NVM/storage 908) having instructions and one or more processors 902 in combination with the one or more computer-readable media and configured to execute the instructions to implement modules to perform the actions described in this disclosure.
For one embodiment, the system control module 904 may include any suitable interface controllers to provide any suitable interface to at least one of the processor(s) 902 and/or any suitable device or component in communication with the system control module 904.
The system control module 904 may include a memory controller module to provide an interface to the system memory 906. The memory controller module may be a hardware module, a software module, and/or a firmware module.
System memory 906 may be used, for example, to load and store data and/or instructions for system 900. For one embodiment, the system memory 906 may comprise any suitable volatile memory, such as suitable DRAM. In some embodiments, the system memory 906 may include a double data rate type four synchronous dynamic random access memory (DDR2 SDRAM).
For one embodiment, the system control module 904 may include one or more input/output controllers to provide an interface to the NVM/storage 908 and input/output device(s) 910.
For example, NVM/storage 908 may be used to store data and/or instructions. NVM/storage 908 may include any suitable non-volatile memory (e.g., flash memory) and/or may include any suitable non-volatile storage device(s) (e.g., one or more Hard Disk Drives (HDDs), one or more Compact Disc (CD) drives, and/or one or more Digital Versatile Disc (DVD) drives).
NVM/storage 908 may include storage resources that are physically part of the device on which system 900 is installed or may be accessed by the device and not necessarily part of the device. For example, NVM/storage 908 may be accessible over a network via input/output device(s) 910.
Input/output device(s) 910 may provide an interface for system 900 to communicate with any other suitable device, and input/output device(s) 910 may include communication components, audio components, sensor components, and so forth. Network interface 912 may provide an interface for system 900 to communicate over one or more networks, and system 900 may communicate wirelessly with one or more components of a wireless network according to any of one or more wireless network standards and/or protocols, such as to access a wireless network based on a communication standard, such as WiFi, 2G, or 3G, or a combination thereof.
For one embodiment, at least one of the processor(s) 902 may be packaged together with logic for one or more controller(s) (e.g., memory controller module) of the system control module 904. For one embodiment, at least one of the processor(s) 902 may be packaged together with logic for one or more controller(s) of the system control module 904 to form a System In Package (SiP). For one embodiment, at least one of the processor(s) 902 may be integrated on the same die with logic for one or more controller(s) of the system control module 904. For one embodiment, at least one of the processor(s) 902 may be integrated on the same die with logic of one or more controllers of the system control module 904 to form a system on a chip (SoC).
In various embodiments, system 900 may be, but is not limited to being: a browser, a workstation, a desktop computing device, or a mobile computing device (e.g., a laptop computing device, a handheld computing device, a tablet, a netbook, etc.). In various embodiments, system 900 may have more or fewer components and/or different architectures. For example, in some embodiments, system 900 includes one or more cameras, a keyboard, a Liquid Crystal Display (LCD) screen (including a touch screen display), a non-volatile memory port, multiple antennas, a graphics chip, an Application Specific Integrated Circuit (ASIC), and speakers.
Wherein, if the display includes a touch panel, the display screen may be implemented as a touch screen display to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
The embodiment of the present application further provides a non-volatile readable storage medium, where one or more modules (programs) are stored in the storage medium, and when the one or more modules are applied to a terminal device, the one or more modules may cause the terminal device to execute instructions (instructions) of the steps of the method in the embodiment of the present application.
In one example, there is provided a data communication system comprising: one or more processors; and one or more machine-readable media having instructions stored thereon, which when executed by the one or more processors, cause the apparatus to perform the instructions (instructions) for the steps of the above-described methods in the embodiments of the present application.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It will be appreciated by those skilled in the art that embodiments of the present application can be provided as a client, an apparatus, or a computer program product. Accordingly, embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application 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.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of client terminals, terminal devices (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, client, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, client, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, client, article, or terminal that comprises the element.
The method, the device and the data communication system for data communication between networks provided by the present application are introduced in detail above, and a specific example is applied in the present application to illustrate the principle and the implementation manner of the present application, and the description of the above embodiment is only used to help understanding the client and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (18)

1. A data communication system, comprising a first network and a second network that are physically isolated, wherein the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, the second service cluster comprises a second service node and a third service node, and the first service node has a corresponding first service identifier;
the second service node is configured to send a target message to the first service node when the target message is to be sent to the first service node, or when a broadcast message that includes a first service identifier and the target message and is broadcast by a third service node is received, if it is determined that the second service node is connected to the first service node, send the target message to the first service node;
the third service node is configured to, when a target message is to be sent to the first service node, send a broadcast message to the second service cluster if it is determined that the third service node is not connected to the first service node, where the broadcast message includes the first service identifier and the target message.
2. The system of claim 1, wherein the first service node comprises a first sub-service, wherein the second service node comprises a first management service, and wherein the first sub-service comprises a first service identification;
the first sub-service is configured to connect the first service identifier as a parameter with the first management service through a virtual IP, and generate a long connection between the first service node and the second service node;
the first management service is used for storing the first service identification in a local connection list.
3. The system of claim 2, wherein the second serving node further comprises a first sending service;
the first sending service is used for generating a first query request according to the first service identifier when a target message is to be sent to the first sub-service, sending the first query request to the first management service, receiving a corresponding query result returned by the first management service, and sending the target message to the first sub-service through the long connection when the query result is a query success result;
the first management service is configured to, after receiving the first query request, search for a first service identifier in the first query request from the connection list, and return a query result to the first sending service.
4. The system of claim 3, wherein the third service node comprises a second management service and a second delivery service;
the second sending service is configured to generate a second query request according to the first service identifier when a target message is to be sent to the first service node, and send the second query request to the second management service, where the second query request includes the first service identifier and the target message;
the second management service is configured to, after receiving the second query request, search for the first service identifier from a locally stored connection list, and when the first service identifier is not found, generate a broadcast message according to the second query request, and broadcast the broadcast message in the second service cluster;
the first management service is configured to search the first service identifier in a local connection list after receiving the broadcast message, and send the target message to the first sub-service through the connection if the search is successful.
5. The system according to any of claims 1-4, wherein the nodes in the second service cluster communicate via a cluster message middleware MetaQ.
6. The system according to any of claims 1-4, wherein the first serving node is further configured to return a corresponding response result to the second serving node after receiving the target message.
7. A method for data communication between networks, wherein the networks comprise a first network and a second network which are physically separated, the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, the second service cluster comprises a second service node and a third service node, and the first service node has a corresponding first service identifier;
the method comprises the following steps:
when the second service node is to send a target message to the first service node, or when a broadcast message which is broadcasted by a third service node and contains a first service identifier and the target message is received, judging whether the second service node and the first service node establish connection;
and if the second service node establishes connection with the first service node, the second service node sends the target message to the first service node.
8. The method of claim 7, wherein the first service node comprises a first sub-service, wherein the second service node comprises a first management service, and wherein the first sub-service comprises a first service identification;
before the determining whether the second service node establishes a connection with the first service node, the method further includes:
the first management service receives a first service identifier sent by the first sub-service;
and based on the first service identifier, if the second service node is judged to establish connection with the first service node, storing the first service identifier in a local connection list.
9. The method of claim 7 or 8, wherein the second serving node further comprises a first sending service;
the determining whether the second service node establishes a connection with the first service node includes:
the first sending service generates a first query request according to a first service identifier of the first sub-service, and sends the first query request to the first management service;
after receiving the first query request, the first management service searches the first service identifier from the connection list and returns a query result to the first sending service, wherein the query result comprises a query success result or a query failure result;
the first sending service judges that the second service node establishes connection with the first service node according to the query success result;
and the first sending service judges that the second service node is not connected with the first service node according to the query failure result.
10. The method of claim 9, wherein sending the target message to the first serving node by the second serving node comprises:
for a target message to be sent by the second serving node to the first serving node, the first sending service sending the target message directly into the first sub-service;
and aiming at the broadcast message, the first management service directly sends the target message to the first sub-service.
11. The method of claim 7 or 8, further comprising:
and receiving a response result returned by the first service node based on the target message.
12. A method for data communication between networks, wherein the networks comprise a first network and a second network which are physically separated, the first network comprises a first service cluster, the second network comprises a second service cluster, the first service cluster comprises a first service node, the second service cluster comprises a second service node and a third service node, and the first service node has a corresponding first service identifier;
the method comprises the following steps:
when the third service node is to send a target message to the first service node, judging whether the third service node and the first service node establish connection;
if the third service node is not connected with the first service node, the third service node generates a broadcast message according to the first service identifier and the target message;
and sending the broadcast message to the second service cluster to request other service nodes connected with the first service node in the second service cluster to send the target message to the first service node.
13. The method of claim 12, wherein the first serving node comprises a first sub-service, wherein the third serving node comprises a second management service and a second sending service;
the determining whether the third service node establishes a connection with the first service node includes:
the second sending service generates a second query request according to a first service identifier of the first sub-service, and sends the second query request to the second management service, wherein the second query request comprises the first service identifier and the target message;
after receiving the second query request, the second management service searches the first service identifier from a locally stored connection list, and returns a query result to the second sending service, wherein the query result comprises a query success result or a query failure result;
the second sending service judges that the third service node establishes connection with the first service node according to the query success result;
and the second sending service judges that the third service node is not connected with the first service node according to the query failure result.
14. A method of inter-network data communication, the network comprising a first network and a second network that are physically separated, the first network comprising a first service cluster, the second network comprising a second service cluster, the first service cluster comprising a first service node, the second service cluster comprising a second service node, the method comprising:
establishing a connection between the first serving node and the second serving node;
receiving a target message sent by the second service node;
and returning a response result corresponding to the target message to the second service node.
15. The method of claim 14, wherein the first service node comprises a first sub-service, and wherein the second service node comprises a first management service;
the establishing a connection between the first serving node and the second serving node comprises:
and the first sub-service takes the first service identifier as a parameter, and is connected with the first management service through a virtual IP (Internet protocol) to generate long connection between the first service node and the second service node.
16. An apparatus for data communication between networks, wherein the networks include a first network and a second network that are physically separated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, the second service cluster includes a second service node and a third service node, the first service node has a corresponding first service identifier;
the device comprises:
a first connection determining module, configured to determine whether a connection between the second service node and the first service node is established when the second service node is to send a target message to the first service node, or when a broadcast message that includes a first service identifier and a target message and is broadcast by a third service node is received;
a target message sending module, configured to send the target message to the first service node by the second service node if the second service node establishes a connection with the first service node.
17. An apparatus for data communication between networks, wherein the networks include a first network and a second network that are physically separated, the first network includes a first service cluster, the second network includes a second service cluster, the first service cluster includes a first service node, the second service cluster includes a second service node and a third service node, the first service node has a corresponding first service identifier;
the device comprises:
a second connection determining module, configured to determine whether a connection between the third service node and the first service node is established when the third service node is to send a target message to the first service node;
a broadcast message generating module, configured to generate a broadcast message according to the first service identifier and the target message by the third service node if the third service node is not connected to the first service node;
a broadcast module, configured to send the broadcast message to the second service cluster to request other service nodes connected to the first service node in the second service cluster, and send the target message to the first service node.
18. An apparatus for data communication between networks, wherein the networks comprise a first network and a second network that are physically separated, the first network comprising a first service cluster, the second network comprising a second service cluster, the first service cluster comprising a first service node, the second service cluster comprising a second service node;
the device comprises:
a connection establishing module, configured to establish a connection between the first service node and the second service node;
a target message receiving module, configured to receive a target message sent by the second serving node;
and the response result returning module is used for returning a response result corresponding to the target message to the second service node.
CN201810891528.0A 2018-08-07 2018-08-07 Method and device for data communication between networks and data communication system Pending CN110830527A (en)

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CN112866351A (en) * 2020-12-31 2021-05-28 成都佳华物链云科技有限公司 Data interaction method, device, server and storage medium
CN114124867A (en) * 2021-11-18 2022-03-01 大连九锁网络有限公司 Group-sending instant message transmission method under two-layer and three-layer hybrid network structure
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