CN109687996B - Segmentation method suitable for block chain network - Google Patents
Segmentation method suitable for block chain network Download PDFInfo
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- CN109687996B CN109687996B CN201811486587.6A CN201811486587A CN109687996B CN 109687996 B CN109687996 B CN 109687996B CN 201811486587 A CN201811486587 A CN 201811486587A CN 109687996 B CN109687996 B CN 109687996B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- 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
Abstract
The invention provides a segmentation method suitable for a block chain network, which can protect the privacy of business rules, ensure the confidentiality of data and transactions, improve the network security and improve the network processing capacity, and comprises the following steps: s1: constructing a configurable basic network, creating a group manager, wherein each node comprises a respective group manager, the group manager is used for configuring and discovering other members of the group, and establishing a private sub-network between two or more network members through the group, and the sub-network is managed by the group manager; s2: subnet and communication; s3: the subnet type conversion, when the existing subnet type needs to be changed, the packet manager provides mode selection to convert the subnet type; s4: and adding and exiting the subnet nodes, wherein the adding or exiting of the nodes requires the packet manager to confirm the synchronization or exiting node information.
Description
Technical Field
The invention relates to the field of block chain networks, in particular to a segmentation method suitable for a block chain network.
Background
In an open blockchain platform, such as an etherhouse, the network is shared. That is, all nodes are in a large point-to-point (P2P) network, and can freely exchange data with each other under the condition of normal communication. In this mode, a message is continuously propagated to the whole network through adjacent nodes, the purpose of message synchronization is achieved, and any node can freely join the P2P network.
The conventional blockchain P2P network is an unchangeable and partitionable and mutually untrusted network, where all nodes on the network are accessible to other nodes under normal communication conditions. When the service scene changes and the network needs to be isolated to protect some private data, the traditional method cannot meet the requirements. Even companies that are competitors may communicate and access messages with each other in the same network, which is intolerable in modern business models. In addition, the traditional P2P network has a low bandwidth utilization rate, and the cost of modification after network formation is also huge.
Disclosure of Invention
The invention aims to provide a segmentation method suitable for a block chain network, which can keep service isolation and protect the service rule privacy of nodes in a sub-network; the account book is kept isolated, the confidentiality of data and transactions is guaranteed to the maximum extent, and the network security is improved; improving the network processing capacity: the broadcast domain of the blockchain network is limited in one subnet, thereby reducing the phagocytosis of bandwidth in the traditional P2P network, and simultaneously, different users can be divided into different 'packets', and the network construction and maintenance are more convenient and flexible.
The embodiment of the invention is realized by the following steps:
a segmentation method suitable for a block chain network comprises the following steps:
s1: constructing a configurable basic network, creating a group manager, wherein each node comprises a respective group manager, the group manager is used for configuring and discovering other members of a group, and establishing a private sub-network between two or more network members through the group, the sub-network is managed by the group manager, and the sub-network comprises an independent sub-network and a synchronous sub-network;
s2: subnet communication, which is used for ensuring the interconnection between the synchronous subnet and the packet manager so as to synchronize the account book;
s3: the subnet type conversion, when the existing subnet type needs to be changed, different coping modes are adopted according to different types of the synchronous subnet and the independent subnet, and the packet manager provides mode selection to convert the subnet type;
s4: and adding and exiting the subnet nodes, wherein the adding or exiting of the nodes requires the packet manager to confirm the synchronization or exiting node information.
In a preferred embodiment of the present invention, the step S1 includes the following steps:
s11: presetting grouping information in a configuration file of each node in a block chain network, wherein the grouping information is used for proving that the node belongs to a grouping; each node participating in the grouping has a signature file of the grouping and a self signature file;
s12: when the user selects the independent subnet, the grouping manager generates the creation block and synchronizes the creation block to other grouping managers of the group; when a user selects a synchronous subnet, a grouping manager detects whether a current node is an anchor point, if so, the grouping manager sends information to the current main network or an adjacent synchronous subnet to acquire the current latest world state and synchronizes to other nodes of a grouping.
In a preferred embodiment of the present invention, the step S2 includes the following steps:
s21: the discovery mechanism of the grouping manager, the grouping manager has 2 kinds of discovery mechanisms when newly adding grouping: active discovery and configuration, wherein the active discovery is an automatic configuration process, namely, network interconnection is carried out among the packet managers of the same 'packet', and then mutual discovery and automatic configuration are identified through the packet managers contained in the 'packet' information; configuring all the grouping managers in a grouping mode in advance, and carrying out communication and information transmission after the nodes are on line;
s22: when a "packet" is acting as a synchronous subnet, the packet manager participates in the synchronization as an anchor.
In the preferred embodiment of the present invention, the specific operation of S22 is as follows: when the grouping is a synchronous subnet, the grouping manager is used as an anchor point, and when a new block is generated, the grouping manager is a common peer node for the main network, and the main network receives the new block; for a "packet" subnet, the packet manager is a distribution point that propagates the zone of the main network to all nodes of the subnet.
In a preferred embodiment of the present invention, the step S3 includes the following steps:
s31: aiming at the change of a synchronous subnet into an independent subnet, the method comprises two modes: a bifurcated mode and an independent mode; the specific operation of the bifurcation mode is as follows: the account book state of the current synchronous subnet is reserved, permanently branched with the main network and independently maintained by a subsequently formed independent subnet; the specific operation of the independent mode is as follows: giving up the account book of the synchronous subnet to form a brand new independent subnet;
s32: aiming at changing the independent subnet into the synchronous subnet, the specific operation is as follows: and the grouping manager forcibly gives up the account book of the independent subnet and resynchronizes the account book of the main network.
In the preferred embodiment of the present invention, the above-mentioned change modes in S31 and S32 both support rollback operation.
In the preferred embodiment of the present invention, in S32, when the independent subnet is changed to the synchronous subnet, if the token conversion of the coin system is involved, the blockchain network provides a custom interface, and the packet manager completes the token conversion when performing the network conversion, and synchronizes the node account book of the subnet to the main network.
In the preferred embodiment of the present invention, the operation of S4 is as follows:
s41: adding the subnet nodes: the node has an admission signature of the subnet, then the node sends a joining request to a packet manager of any node in the subnet, and the packet manager synchronizes the information of the node to other packet managers according to the network type;
s42: exiting the subnet node: when the node needs to quit the sub-network, the node sends an application to the packet manager of the node, the packet manager and other nodes in the sub-network reach consensus, and a quit path is determined according to a quit strategy.
In a preferred embodiment of the present invention, the exit path includes any one of other subnets, a main network, and a blockchain network.
The embodiment of the invention has the beneficial effects that: service isolation: introducing a synchronous subnet, and isolating the service rules/intelligent contracts of all nodes of the subnet, so that non-subnet members cannot install and acquire the rules, and the service rule privacy of the nodes in the subnet is protected; account book isolation: in the independent sub-network, all sub-network nodes are completely isolated, and all nodes outside the sub-network can not know the events inside all sub-networks, thereby ensuring the confidentiality of data and affairs to the maximum extent and improving the network security; improving the network processing capacity: the broadcast domain of the blockchain network is limited in one subnet, thereby reducing the phagocytosis of bandwidth in the traditional P2P network, and simultaneously, different users can be divided into different 'packets', and the network construction and maintenance are more convenient and flexible.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of an overall structure of a block chain network according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
First embodiment
The invention provides a segmentation method suitable for a block chain network, which can establish a private sub-network between two or more specific network members through grouping. These "subnetworks" may provide two modes of operation: the first is an independent mode, namely an independent subnet, and uses an independent account book, namely a local account book incompatible with other subnets; the second is a shared mode, i.e., a synchronized subnet, which synchronizes the master network ledger by communicating with the master network or other "subnets" through "grouped" anchor nodes. The embodiment is mainly realized by 4 dimensions, and the overall structural schematic diagram is shown in fig. 1:
s1: the method comprises the following specific operation steps of constructing a configurable basic network:
s11: in the configuration file of each node, previously negotiated "group" information may be added to indicate that it is a formal member of the group. Each node participating in the "packet" needs to obtain the signature file distributed by the "packet" as well as its own signature file for verifying identity. At the same time, each node will include a respective packet manager for configuring and discovering other members of the packet.
S12: a Group Manager (hereinafter, abbreviated as GM) is mainly responsible for managing the "Group" network.
In both of the aforementioned subnet modes of operation, when the user selects the standalone mode, the GM is responsible for generating the founder block belonging to the "packet" and synchronizing this block to the other GMs in the "packet". Note that creation of the founder block needs to be formulated by each "packet" negotiation, and is ultimately generated by one GM.
If the user selects the sharing mode, the GM checks whether the current node is an anchor. If so, the GM immediately sends a message to the current master network or neighboring shared mode subnet to get the current latest world state and synchronizes to the other nodes of the "packet".
S2: subnet communication, which is used for ensuring the interconnection between the synchronous subnet and the packet manager so as to synchronize the account book;
s21 GM is created at node setup, which is the main tool to participate in and manage "grouping". The main role of the GM in adding packets is the configuration of packets and the mutual discovery. There are two main mechanisms for GM discovery: active discovery and configuration. Wherein the active discovery requires normal interworking network interconnection between the GM of the same "packet", and then discovers and automatically configures each other through the GM identity contained in the "packet" information. The other method is to configure the information of all other GMs in all the grouped GMs in advance, and perform communication and information transmission after the node is on line.
S22: another role of the GM is to participate in synchronization as an anchor. When the "packet" is used as the type of the synchronous subnet, a communication mechanism is needed, which can ensure the isolation of the nodes in the "packet" and the synchronization of the ledger. The GM at this time plays this role, and whenever a new block is generated, for the master network, the GM is a common peer node and receives this block; for a "packet" subnetwork, the GM is a distribution point, propagating the sector of the main network to all nodes of the subnetwork, and vice versa. The expression of the image is that all synchronous subnetworks are 'universe' one by one, and the GM anchor is a 'wormhole' linking the 'universe'. Synchronous subnets are well suited for handling scenarios where business processes need to be kept secret.
S3: subnet type conversion:
s31: when an enterprise business changes or other requirements require that an existing subnet type needs to be changed, the embodiment of the present invention also provides support in this aspect. Below we will discuss the change in two directions: the first is the change from the synchronous subnet to the independent subnet, and the GM provides 2 choices, and the second is the fork mode, which keeps the current account book status in the subnet, and permanently forks the subnet with the main network, and is maintained by the independent subnet formed later. The other one gives up the current account book to form a brand new independent subnet; the second conversion is the conversion from the independent subnet to the synchronous subnet, under which the GM will force the existing ledger to be discarded and the master ledger to be resynchronized. Regardless of the mode, a rollback operation is supported.
S32: in the process of converting the independent subnet into the synchronous subnet, token conversion/token conversion of the coin system may be involved. The invention provides a user-defined interface for a user, the user negotiates to determine the token conversion ratio of the subnet and the main network, the GM completes the token conversion when executing network conversion and synchronizes the subnet node account book to the main network, and the process of converting the token is still regarded as transaction.
S4: joining and exiting of subnet nodes:
s41: a node must be approved before joining a certain subnet, i.e. the node possesses an admission signature for the subnet. At this time, the node may send a join request to any node GM in the subnet, and the GM synchronizes the node information to other GMs according to the network type. For nodes existing in other subnets or the main network before, the conversion rule is the same as the subnet type conversion, and the description is omitted here.
S42: when the node needs to exit the subnet, the node needs to initiate an application to the GM of the node, and the GM and other nodes of the subnet achieve consensus. The destination network of the node is then determined to be other sub-networks or the main network according to the exit strategy, and even the blockchain is completely exited. The node exit conversion rule is the same as the subnet type conversion rule, and is not described in detail here.
In summary, the segmentation method applicable to the blockchain network in this embodiment has the advantages that:
1. service isolation: as can be seen from the synchronized sub-network, this approach isolates the traffic rules/intelligence contracts of all nodes of the sub-network well. Therefore, the non-subnet members cannot install and know the rules, and the service rule privacy of each node in the subnet is protected.
2. Account book isolation: in a standalone subnet, all subnet nodes are completely isolated, and nodes outside all subnets will not be aware of events inside all subnets unless the GM actively provides this information as an anchor. The sub-network has independent 'world state' and is inaccessible from the outside, thus guaranteeing the confidentiality of data and affairs to the maximum extent and improving the network security.
3. Improving the network processing capacity: the broadcast domain of the blockchain network is limited to one subnet, reducing the phagocytosis of bandwidth in the conventional P2P network. Meanwhile, different users can be divided into different groups, and the network construction and maintenance are more convenient and flexible.
This description describes examples of embodiments of the invention, and is not intended to illustrate and describe all possible forms of the invention. It should be understood that the embodiments described in this specification can be implemented in many alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Specific structural and functional details disclosed are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. It will be appreciated by persons skilled in the art that a plurality of features illustrated and described with reference to any one of the figures may be combined with features illustrated in one or more other figures to form embodiments which are not explicitly illustrated or described. The described combination of features provides a representative embodiment for a typical application. However, various combinations and modifications of the features consistent with the teachings of the present invention may be used as desired for particular applications or implementations.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A segmentation method suitable for a block chain network is characterized by comprising the following steps:
s1: constructing a configurable basic network, creating a group manager, wherein each node comprises a respective group manager, the group manager is used for configuring and discovering other members of a group, and establishing a private sub-network between two or more network members through the group, the sub-network is managed by the group manager, and the sub-network comprises an independent sub-network and a synchronous sub-network;
s2: subnet communication, which is used for ensuring the interconnection between the synchronous subnet and the packet manager so as to synchronize the account book;
s3: the subnet type conversion, when the existing subnet type needs to be changed, different coping modes are adopted according to different types of the synchronous subnet and the independent subnet, and the packet manager provides mode selection to convert the subnet type;
s4: and adding and exiting the subnet nodes, wherein the adding or exiting of the nodes requires the packet manager to confirm the synchronization or exit the node information.
2. The segmentation method applicable to the blockchain network according to claim 1, wherein the S1 comprises the following steps:
s11: presetting grouping information in a configuration file of each node in the block chain network, wherein the grouping information is used for proving that the node belongs to the grouping; each of the nodes participating in a group has a signature file of the "group" and a self-signature file;
s12: when the user selects the independent subnet, the grouping manager generates a creation block and synchronizes the creation block to other grouping managers of the grouping; when a user selects a synchronous subnet, the packet manager detects whether the current node is an anchor point, and if the node is the anchor point, the packet manager sends information to the current main network or an adjacent synchronous subnet to acquire the current latest world state and synchronizes to other nodes of the packet.
3. The segmentation method applicable to the blockchain network according to claim 1, wherein the S2 comprises the following steps:
s21: a discovery mechanism of a packet manager, the packet manager having 2 discovery mechanisms when adding a packet: active discovery and configuration, which is an automatic configuration process, i.e. network interconnection between packet managers of the same "packet", and then mutual discovery and automatic configuration are identified by the packet managers contained in the "packet" information; the configuration is that all the grouping managers are configured in all the grouping managers in advance, and communication and information transmission are carried out after the nodes are on line;
s22: when the "packet" is acting as a synchronous subnet, the packet manager participates in the synchronization as an anchor.
4. The segmentation method applicable to the blockchain network according to claim 3, wherein the specific operation of S22 is as follows: when the grouping is a synchronous subnet, the grouping manager is used as an anchor point, and when a new block is generated, the grouping manager is a common peer node for a main network, and the main network receives the new block; for a "packet" subnet, the packet manager is a distribution point that propagates the zone of the main network to all nodes of the subnet.
5. The segmentation method applicable to the blockchain network according to claim 4, wherein the step S3 comprises the steps of:
s31: aiming at the change of a synchronous subnet into an independent subnet, the method comprises two modes: a bifurcated mode and an independent mode; the specific operation of the bifurcation mode is as follows: the account book state of the current synchronous subnet is reserved, permanently branched with the main network and independently maintained by a subsequently formed independent subnet; the specific operation of the independent mode is as follows: giving up the account book of the synchronous subnet to form a brand new independent subnet;
s32: aiming at changing the independent subnet into the synchronous subnet, the specific operation is as follows: and the grouping manager forcibly abandons the account book of the independent subnet and resynchronizes the account book of the main network.
6. The method for partitioning a blockchain network according to claim 5, wherein the change patterns in S31 and S32 support a rollback operation.
7. The method according to claim 5, wherein in step S32, when the independent subnet is changed to the synchronous subnet, if token conversion of the coin system is involved, the blockchain network provides a custom interface, and the packet manager completes token conversion when performing network conversion and synchronizes the node book of the subnet to the main network.
8. The segmentation method applicable to the blockchain network according to claim 1, wherein the operation step of S4 is as follows:
s41: adding the subnet nodes: the node has an admission signature of the subnet, then the node sends a joining request to a packet manager of any node in the subnet, and the packet manager synchronizes the information of the node to other packet managers according to the network type;
s42: exiting the subnet node: when a node needs to quit a subnet, the node sends an application to a packet manager of the node, the packet manager agrees with other nodes in the subnet, and a quit path is determined according to a quit strategy.
9. The method according to claim 8, wherein the exit path includes any one of another subnet, a main network, and a blockchain network.
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| CN113159955B (en) * | 2021-05-13 | 2024-04-09 | 银清科技有限公司 | Alliance chain block chain management system and management method |
| CN113923232B (en) * | 2021-06-02 | 2024-03-19 | 支付宝(杭州)信息技术有限公司 | Information synchronization method and device for block chain subnetwork |
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