WO2025007399A1 - 多模态网络系统及多模态网络运行方法 - Google Patents

多模态网络系统及多模态网络运行方法 Download PDF

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Publication number
WO2025007399A1
WO2025007399A1 PCT/CN2023/114641 CN2023114641W WO2025007399A1 WO 2025007399 A1 WO2025007399 A1 WO 2025007399A1 CN 2023114641 W CN2023114641 W CN 2023114641W WO 2025007399 A1 WO2025007399 A1 WO 2025007399A1
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network
multimodal
node
message
application
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English (en)
French (fr)
Inventor
骆汉光
张慧峰
肖戈扬
徐琪
高万鑫
朱俊
邹涛
张汝云
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Zhejiang Lab
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Zhejiang Lab
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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
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • 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
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5006—Creating or negotiating SLA contracts, guarantees or penalties
    • 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
    • H04L41/12—Discovery or management of network topologies
    • 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
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/74—Address processing for routing

Definitions

  • the present application relates to the field of network communication technology, and in particular to a multimodal network system and a multimodal network operation method.
  • the Internet has become a major information infrastructure that is highly relevant to the national economy and social development, and has a far-reaching impact on improving social productivity, promoting economic and social upgrading and transformation, and creating new employment opportunities.
  • the Internet will not only support consumer businesses such as AR (Augmented Reality)/VR (Virtual Reality), online games, and live broadcasts, but also support production businesses such as industrial manufacturing, unmanned driving, and telemedicine, realize ubiquitous interconnection and command issuance of massive terminals, and provide a variety of network services based on large-scale data collection, processing, distribution, and utilization.
  • a multimodal network system and a multimodal network operation method are provided.
  • a multimodal network system in this embodiment, and the multimodal network system includes, from top to bottom, an application layer, a service layer, a modality layer, and an environment layer.
  • the application layer is used to provide network applications corresponding to network service requirements; the service layer is used to determine the network capability requirements for implementing the network applications; the modality layer is used to provide corresponding network modalities based on the network capability requirements; the environment layer is used to provide network infrastructure supporting the operation of the network modality, and the network infrastructure is used to carry and transmit messages corresponding to each network application, and the messages are generated, encapsulated, unpacked and routed based on the network modality corresponding to the network application Forward.
  • the environment layer includes a control layer and a data layer that are separated from each other, and the data layer includes multiple types of network nodes.
  • the data layer is used to transmit messages based on the network nodes; and the control layer is used to uniformly schedule and centrally control the network resources of the data layer.
  • the network nodes include terminal nodes, aggregation nodes and backbone nodes, each of the backbone nodes corresponds to a multimodal network domain and multiple aggregation nodes in the multimodal network domain, and each of the aggregation nodes corresponds to multiple terminal nodes.
  • the terminal node is used to generate corresponding messages based on the network application and transmit the messages with the corresponding aggregation node; the aggregation node is used to route and forward the received messages and transmit the cross-network domain messages in the messages with the corresponding backbone node; the backbone node is used to isolate and forward the cross-network domain messages.
  • the terminal node is also used to: determine the corresponding network mode based on the network capability requirements corresponding to the network application; based on the network mode, encapsulate the data of the network application into a network domain message and send it to the aggregation node; and receive the network domain message sent by the aggregation node and unpack it.
  • the aggregation node is further used to: determine the corresponding network mode based on the received network domain message; and perform routing forwarding based on the addressing routing method of the network mode.
  • the multimodal network domain includes a sink node and an edge sink node connected to the corresponding backbone node.
  • the aggregation node is also used to: determine whether the destination route of the network domain message is within the multimodal network domain where the aggregation node is located; if the destination route is not within the multimodal network domain, forward the network domain message to the edge aggregation node.
  • the edge aggregation node is further used to: encapsulate the network domain message into a cross-network domain message, wherein the cross-network domain message includes the network domain address where the destination route is located; and send the cross-network domain message to the backbone node.
  • the backbone node is also used to: identify the corresponding network mode based on the received cross-network domain message; obtain the network domain address of the cross-network domain message based on the network mode; allocate corresponding resources to the cross-network domain message and perform isolated forwarding based on the network capability requirements corresponding to the cross-network domain message and the network mode.
  • the backbone node is also used to: determine the forwarding path and hard isolation pipe parameters based on the network capability requirements corresponding to the cross-network domain messages; construct a hard isolation pipe corresponding to the network modality based on the forwarding path and hard isolation pipe parameters; and isolate and forward the cross-network domain messages based on the hard isolation pipe.
  • control layer includes a controller, and the controller is used to implement: data layer functions At least one of configuration and dynamic deployment, multi-modal addressing and routing, and unified network management and control and load balancing.
  • a multimodal network operation method is provided in this embodiment.
  • the method is applied to a multimodal network system, wherein the multimodal network system includes a network infrastructure for carrying and transmitting messages corresponding to each network application.
  • the method includes:
  • messages corresponding to the network application are generated, encapsulated, routed and forwarded in the network infrastructure.
  • FIG. 1 is a schematic diagram of the architecture of a multimodal network system according to some embodiments of the present application.
  • FIG. 2 is a schematic diagram of an application scenario matching network mode in some embodiments of the present application.
  • FIG3 is a schematic diagram of network node distribution and operation logic according to some embodiments of the present application.
  • FIG4 is a schematic diagram of the connection between a backbone node and a multimodal network domain in some embodiments of the present application.
  • FIG. 5 is a schematic diagram of the structure of a multimodal network system according to some embodiments of the present application.
  • FIG. 6 is a flowchart of a multimodal network operation method according to some embodiments of the present application.
  • FIG1 is a schematic diagram of the structure of a multimodal network system 100 of some embodiments of the present application.
  • the multimodal network system 100 includes an application layer 11, a service layer 12, a modal layer 13, and an environment layer 14 from top to bottom.
  • the application layer 11 is used to provide network applications corresponding to network service requirements; the service layer 12 is used to determine the network capability requirements for implementing network applications; the modal layer 13 is used to provide corresponding network modalities based on network capability requirements; the environment layer 14 is used to provide a network infrastructure that supports the operation of network modalities, and the network infrastructure is used to carry and transmit messages corresponding to each network application, and the messages are generated, encapsulated, unpacked, and routed based on the network modality corresponding to the network application.
  • the multimodal network system 100 of this embodiment is a hierarchical network architecture.
  • the application layer 11 refers to applications and scenarios, mainly various network applications, and the environment and scenario in which the user is most likely to be when each network application is used, including time, space, device support and other aspects.
  • the business layer 12 determines the required network capability requirements, which refers to the network capabilities that meet the corresponding network business requirements, which may include but are not limited to large bandwidth, wide connection, low latency, determinism, high security, etc.
  • the network mode corresponding to the matching modality layer 13 which can also be called the network technology mode, refers to the sum of technical regulations made to ensure the normal operation of the communication network, which may include customized software and hardware configuration, message format, routing protocol, switching mode, forwarding logic, operation and maintenance specifications and security policies, etc.
  • large bandwidth network capabilities can be achieved by matching network technology modes such as IPv4 and IPv6, and deterministic and low latency network capabilities can be achieved by matching industrial control identification network technology modes, etc.
  • the environment layer 14 builds a support environment for multimodal networks through network infrastructure, and uniformly carries heterogeneous network modes. It may include controllers, multimodal network nodes (such as node machines, coprocessors, terminal network cards, etc.), application terminals, etc.
  • the multimodal network system 100 of this embodiment provides various network applications and the scenarios in which users are located when each network application is used through the application layer to meet different network service requirements; the service layer determines the requirements of different network applications.
  • the network capabilities required include network bandwidth, link mode, network delay, security, reliability, etc.; the network mode that can meet the network capabilities is provided through the modal layer.
  • the network mode is the network technology mode, which refers to the sum of technical regulations to ensure the normal operation of the communication network; the network infrastructure that supports the operation of various network modes is provided through the environment layer.
  • the network infrastructure is used to generate, encapsulate, unpack and route the messages corresponding to each network application according to the network mode corresponding to each network application, match the corresponding network mode based on the network business needs, and obtain the best adaptation between the business application and the technical system, thereby significantly reducing the network resource overhead and solving the problem that the network technology mode in the network development model in the related technology is single and cannot meet the needs of different network services.
  • FIG. 2 is a schematic diagram of the application scenario matching network modality of some embodiments of the present application.
  • the network capability requirements of the corresponding business layer 12 are low latency, high security and determinism.
  • the network modalities corresponding to IPv4, IPv6, MPLS-SR (Segment Routing MPLS, segment routing based on MPLS forwarding plane), geographic identification, industrial control identification, etc. can be matched in the modality layer 13.
  • the network capability requirements of the corresponding business layer 12 are low latency, high security and wide connection.
  • the network modalities corresponding to IPv4, IPv6, identity identification, computing power identification, etc. can be matched in the modality layer 13.
  • the network capability requirements of the corresponding business layer 12 are low latency, high security and large bandwidth.
  • the corresponding network modes such as IPv4, IPv6, SRv6, computing power identification, content identification, etc. can be matched in the modality layer 13.
  • the corresponding network capability requirements are determined respectively through the multimodal network system 100, and the corresponding network modalities are matched according to the network capability requirements, providing corresponding technical modalities and network infrastructure for the coexistence of multiple heterogeneous network modalities in the system, meeting the diversified network application requirements.
  • the environment layer includes a control layer and a data layer that are separated from each other.
  • the data layer includes multiple types of network nodes.
  • the data layer is used to transmit messages based on network nodes; the control layer is used to uniformly schedule and centrally control network resources of the data layer.
  • the data layer is separated from the control layer.
  • the data layer may include multiple network nodes.
  • the network nodes may be divided into multiple types according to the network topology. For example, they may be divided into terminal nodes, aggregation nodes, and backbone nodes according to their positions in the network structure. They may also be classified according to other characteristics.
  • the data layer is mainly responsible for realizing the message transmission of network applications through various types of network nodes, including message generation, encapsulation, decapsulation, and routing forwarding; the control layer provides unified scheduling and centralized control for the message transmission of the data layer according to the device capabilities and network resources of the data layer.
  • control layer includes a controller, which is used to implement at least one of the following functions: data layer function configuration and dynamic deployment, multi-modal addressing routing, network unified management and control, and load balancing.
  • controller may also have, but is not limited to, the topology discovery, routing, and other functions of traditional SDN (Software Defined Network) network control. It consists of functions such as calculation, flow table delivery, and link status perception.
  • SDN Software Defined Network
  • the multimodal network system 100 of this embodiment realizes the message transmission of network applications through the network nodes of the data layer, and performs unified scheduling and planning of resources through the control layer, thereby providing the required centralized control capability support for the multimodal network nodes; it supports the coexistence of multiple flexible and definable network identification systems, diversified addressing, differentiated business operations and other network capabilities, thereby realizing flexible network management and control.
  • Figure 3 is a schematic diagram of the network node distribution of some embodiments of the present application.
  • the network nodes include terminal nodes 143, aggregation nodes 142 and backbone nodes 141.
  • Each backbone node 141 corresponds to a multimodal network domain 144 and multiple aggregation nodes 142 in the multimodal network domain 144, and each aggregation node 142 corresponds to multiple terminal nodes 143.
  • the terminal node 143 is used to generate corresponding messages based on network applications and transmit messages with the corresponding aggregation node 142; the aggregation node 142 is used to route and forward the received messages and transmit cross-network domain messages in the messages with the corresponding backbone node 141; the backbone node 141 is used to isolate and forward cross-network domain messages.
  • the terminal node 143 can be a network card of a terminal device.
  • the network application actively selects or passively matches the business service quality to match the payload data that needs to be sent by the network application to the corresponding network mode, and generates a corresponding message according to the corresponding network mode.
  • the network application needs to address, route and forward the message based on the geographic location.
  • the terminal node can generate a corresponding message according to the geographic identification addressing network mode for the payload data sent by the upper-layer application and send it to the aggregation node.
  • some general operations that meet the hardware acceleration requirements (such as encryption and decryption, etc.) can be sunk to the terminal node to achieve acceleration and unloading of the upper-layer application.
  • the aggregation node 142 can be a coprocessor located in the access aggregation network to realize the unified bearing of multimodal data.
  • the multimodal network message generated by the terminal node 143 is forwarded to the aggregation node 142.
  • the aggregation node 142 identifies the corresponding network mode by parsing and matching the message, and performs routing forwarding according to the addressing routing method of the network mode.
  • the message does not need to be transmitted across network domains, for example, for the corresponding message of the above-mentioned geographic identification addressing network mode, if the target geographical location represented in the geographic identification data header is within the multimodal network domain, it does not need to be transmitted across network domains. At this time, it only needs to be forwarded to the destination terminal within the multimodal network domain according to the addressing routing method of the geographic identification technology mode.
  • the aggregation node 142 can send the message to the corresponding backbone node 141.
  • the backbone node 141 can be a node machine in the backbone network.
  • the backbone node 141 is a hard-isolated high-speed forwarding pipeline that isolates resources for different network modes and different communication routes of the same network mode, realizing high-speed interconnection of data services between multimodal network domains (i.e., access aggregation networks).
  • the cross-network domain message is isolated and forwarded to the corresponding backbone node 141, and then sent by the backbone node to the aggregation node 142 inside the corresponding network domain.
  • the multimodal network system 100 of this embodiment generates messages corresponding to network applications through terminal nodes and accesses the network; routes and forwards messages according to the addressing and routing method of the network modality corresponding to the message through the aggregation node 142; realizes high-speed isolated transmission of data between network domains through the backbone node 141; and establishes a node hierarchical collaboration logic that adapts to the functions and performance of heterogeneous network modalities through the coordinated operation of the terminal node 143, the aggregation node 142 and the backbone node 141, so as to meet the end-to-end high-speed processing requirements of multiple network modality services.
  • the terminal node 143 is also used to: determine the corresponding network mode based on the network capability requirements corresponding to the network application; based on the network mode, encapsulate the data of the network application into a network domain message and send it to the aggregation node 142; and receive the network domain message sent by the aggregation node 142 and unpack it.
  • the message encapsulation and decapsulation operations can be performed according to the corresponding network mode.
  • the network application needs to address, route and forward data packets based on geographic location.
  • the terminal node 143 encapsulates the payload data sent by the upper-layer application according to the geographic identification addressing network mode and sends it to the aggregation node 142.
  • the decapsulation process is the opposite.
  • the encapsulated message is a network domain message, which can be forwarded between aggregation nodes 142 within the network domain.
  • the multimodal network system 100 of this embodiment encapsulates the data of network applications into network domain messages according to the network modality through the terminal node 143, completes the intelligent matching of business data and network modality, establishes a network identification addressing method that meets the business function and performance requirements, and encapsulates or unpacks the corresponding network modality data packets, and provides the destination address for the corresponding aggregation node 142 to perform routing and forwarding according to the network identification addressing method, thereby meeting the data transmission requirements of different network applications and improving data transmission efficiency.
  • the aggregation node 142 is further used to: determine the corresponding network mode based on the received network domain message; and perform routing forwarding based on the addressing routing method of the network mode.
  • the aggregation node 142 identifies the network mode corresponding to the network domain message by parsing and matching the network domain message, and performs routing forwarding according to the addressing and routing mode of the network mode.
  • the same aggregation node 142 can realize the unified bearing and collaborative aggregation of multiple network modes, that is, the aggregation node 142 can simultaneously carry heterogeneous network mode data and has corresponding data processing capabilities.
  • the aggregation node 142 is responsible for the unified bearing and rapid aggregation of multi-modalities within the network domain and in-band general computing.
  • the multimodal network system 100 of this embodiment identifies the network mode corresponding to the network domain message through the aggregation node 142, and performs routing forwarding according to the addressing routing method of the network mode, thereby realizing the addressing routing under the corresponding network mode technology system, that is, the coordinated processing and unified bearing of multiple network technology routing addressing methods in the multimodal network domain, and the transmission of the message It matches the corresponding network mode to meet the data transmission requirements of different network applications and improve data transmission efficiency.
  • FIG4 is a schematic diagram of the connection between the backbone node and the multimodal network domain in some embodiments of the present application.
  • the multimodal network domain 144 includes a non-edge aggregation node 1422 and an edge aggregation node 1421 connected to the corresponding backbone node 141.
  • the non-edge aggregation node 1422 is also used to: determine whether the destination route of the network domain message is within the multimodal network domain 144 where the aggregation node 142 is located; if the destination route is not within the multimodal network domain 144, forward the network domain message to the edge aggregation node 1421; the edge aggregation node 1421 is also used to: encapsulate the network domain message into a cross-network domain message, the cross-network domain message contains the network domain address where the destination route is located; and send the cross-network domain message to the backbone node 141.
  • the aggregation node 142 determines whether the destination route of the network domain message is within the multimodal network domain 144 where the aggregation node 142 is located according to the destination address of the network domain message; if it is within the multimodal network domain 144 where the aggregation node 142 is located, there is no need for cross-network domain transmission. At this time, it is only necessary to forward the message to the destination terminal within the multimodal network domain according to the addressing routing method corresponding to the network mode of the network domain message. If it is not within the multimodal network domain 144 where the aggregation node 142 is located, cross-network domain transmission is required.
  • the non-edge aggregation node 1422 connected to the terminal node that sends the network domain message quickly forwards the network domain message to the edge aggregation node 1421 connected to the backbone network.
  • the edge aggregation node 1421 encapsulates the network domain message according to the corresponding network mode into a cross-network domain message suitable for high-speed forwarding of the backbone network, and writes the domain address information of the destination network domain in the field specified by the encapsulated cross-network domain message according to the fast aggregation capability of the corresponding network mode data.
  • the message needs to be transmitted across network domains, that is, the target geographic location represented in the geographic identification data header is outside the multimodal network domain, then the message within the network domain needs to be quickly forwarded to the edge aggregation node 1421 connected to the backbone node 141, and the routing information field representing the destination multimodal network domain (here is the geographic location information field of the destination network domain) is extracted at the edge aggregation node 1421, and then the edge aggregation node 1421 encapsulates the routing information field into the specified field of the message header such as SRv6, MPLS-SR, etc. (mainstream high-speed forwarding network modes suitable for backbone networks), and finally handed over to the backbone node 141 for forwarding.
  • the routing information field representing the destination multimodal network domain here is the geographic location information field of the destination network domain
  • the multimodal network system 100 of this embodiment determines whether the destination route of the network domain message is within the multimodal network domain where the aggregation node 142 is located through the aggregation node 142, and clarifies the forwarding path of the network domain message to obtain the forwarding resources within the corresponding backbone network or aggregation network multimodal network domain; the network domain message is encapsulated as a cross-network domain message through the edge aggregation node 1421 and sent to the corresponding backbone node 141, thereby realizing cross-backbone network transmission of multimodal network services and high-speed interconnection and forwarding of data, thereby improving the forwarding efficiency of network messages.
  • the backbone node 141 is also used to: identify the corresponding network mode based on the received cross-network domain message; obtain the network domain address of the cross-network domain message based on the network mode; allocate corresponding resources to the cross-network domain message and perform isolated forwarding based on the network capability requirements and network mode corresponding to the cross-network domain message.
  • the backbone node 141 divides resource-isolated hard-isolated high-speed forwarding pipelines for different network modes and different communication routes of the same network mode, realizing high-speed interconnection and forwarding of data services between multi-modal network domains (i.e., access aggregation networks).
  • the backbone node 141 can also flexibly adjust the forwarding mechanism and resource allocation of the backbone network according to the changes in network mode service requirements. For example, for messages of the same network mode, they can be divided into different hard-isolated high-speed channels for forwarding according to the differentiated requirements of network service quality; according to the changes in the requirements of different network mode services for bandwidth and delay, the bandwidth size of the backbone network can be flexibly adjusted.
  • the backbone node For example, for the geographically identified addressing message that needs to be transmitted across network domains, the backbone node first identifies that the network mode type of the cross-network domain message is a network mode based on geographically identified addressing, and then extracts the domain address information of the target network domain (here refers to the geographical location information of the destination network domain) from the specified field of the cross-network domain message, and calculates the forwarding path and corresponding resource information of the backbone network according to the network capability requirements or service quality requirements of the network application, allocates corresponding resources to the cross-network domain message and performs isolated forwarding.
  • backbone network resources, carried network modes, network services, etc. change, backbone node 141 can also adjust forwarding resources in a timely manner to adapt to the capacity requirements of the network due to service changes.
  • the multimodal network system 100 of this embodiment identifies the network mode corresponding to the cross-network domain message through the backbone node 141, allocates corresponding resources to the cross-network domain message according to the network mode and network capability requirements and performs isolated forwarding, and flexibly adjusts the forwarding mechanism and resource allocation of the backbone network according to changes in business needs, thereby improving the forwarding efficiency and flexibility of the backbone network.
  • the backbone node 141 is also used to: determine the forwarding path and hard isolation pipe parameters based on the network capability requirements corresponding to the cross-network domain messages; construct a hard isolation pipe corresponding to the network mode based on the forwarding path and the hard isolation pipe parameters; and isolate and forward the cross-network domain messages based on the hard isolation pipe.
  • the backbone node 141 can calculate the forwarding path and hard isolation pipe information of the backbone network according to the network capability requirements or service quality requirements of the cross-network domain message, such as the hard isolation bandwidth, hard isolation pipe residence time, hard isolation pipe delay, etc. required for all services of the network mode or different network services under the same network mode, and then apply network isolation technologies such as FlexE (Flexible Ethernet)/MTN (Metro Transport Network) according to the forwarding path and hard isolation pipe information to build a network mode-oriented isolation pipe, and finally perform high-speed isolation forwarding of the backbone network based on SRv6, MPLS-SR, etc.
  • the backbone node 141 can flexibly adjust the forwarding mechanism and resource allocation of the backbone network according to the changes in the network mode service requirements.
  • the bandwidth size of the backbone network can be flexibly adjusted.
  • the multimodal network system 100 of this embodiment determines the forwarding path and hard isolation pipeline parameters based on the network capability requirements through the backbone node 141, constructs a hard isolation pipeline corresponding to the network mode, realizes high-speed isolated transmission of data of different network modes and different communication routes of the same network mode, and improves the speed, security and stability of data transmission;
  • the backbone node 141 allocates backbone network resources according to network capacity requirements, and flexibly adjusts backbone network resources according to changes in bandwidth and latency requirements of different network mode services, thereby improving the transmission efficiency and flexibility of the backbone network.
  • FIG5 is a schematic diagram of the structure of a multimodal network system 100 of some optional embodiments of the present application.
  • the multimodal network system 100 includes an application layer 11, a service layer 12, a modality layer 13 and an environment layer 14 from top to bottom.
  • the environment layer 14 includes a control layer and a data layer separated from each other, and the data layer includes a plurality of network nodes, and the network nodes include a terminal network card, a coprocessor and a node machine.
  • the multimodal network system 100 of this embodiment forms a hierarchical network architecture according to the top-down design idea.
  • the application layer 11 faces the network capability requirements required by the abstract business layer 12 for diversified applications, such as large bandwidth, wide connection, low latency, determinism, high security, etc.; according to the network capability requirements of the business layer 12, the network technology mode corresponding to the modality layer 13 is matched, such as large bandwidth network capability is achieved by matching network technology modes such as IPv4 and IPv6, and deterministic and low latency network capability is achieved by matching industrial control identification network technology mode, etc.; the environment layer 14 builds a multimodal network intelligent support environment through multimodal network nodes to uniformly carry heterogeneous network technology modes, mainly including controllers, multimodal network nodes (such as node machines, coprocessors, terminal network cards, etc.), and application terminals.
  • the application scenario of industrial intelligent inspection we first abstract the main network capability requirements required for the application scenario, such as low latency, high security, and determinism. Then, based on these network capability requirements, we match it with network technology modalities with corresponding capabilities, including industrial control identification, IPv4, IPv6, geographic identification, etc., and through the organic combination of the above-mentioned multiple network modalities, provide personalized network capability support for the industrial intelligent inspection scenario. Finally, the above-mentioned network modalities are uniformly run on a multimodal network intelligent support environment composed of node machines, coprocessors, and terminal network cards.
  • the terminal network card implements network mode matching and data packet generation/unpacking for application services.
  • the payload data that the application needs to send is matched to the corresponding network mode through active selection of the application or passive matching according to the service quality of the business, and the message encapsulation and decapsulation operations are performed according to the corresponding network mode.
  • the terminal network card will encapsulate the payload data sent by the upper-layer application according to the geographic identification addressing network mode and send it to the coprocessor.
  • the decapsulation process is the opposite.
  • some general operations that meet the hardware acceleration requirements (such as encryption and decryption, etc.) can be moved down to the terminal network card to accelerate and unload the upper-layer applications.
  • the coprocessor realizes the unified bearing of multimodal data.
  • the multimodal network data packet generated by the terminal network card is forwarded to the coprocessor.
  • the coprocessor identifies the network mode corresponding to the data packet by parsing and matching the data packet, and forwards the data packet according to the addressing routing method of the network mode.
  • the coprocessor connected to the terminal network card quickly forwards the data packet to the edge coprocessor node connected to the backbone network.
  • the corresponding network mode data packet is encapsulated into a network mode data packet suitable for high-speed forwarding of the backbone network, and the destination network domain is written in the field specified in the message after "encapsulation" based on the rapid aggregation capability of the corresponding network mode data.
  • domain address information to achieve cross-backbone transmission of multimodal network services. For example, when the above-mentioned geographic identification network modal data packet does not need to be transmitted across the backbone network, it only needs to be forwarded to the destination terminal within the multimodal network domain according to the addressing routing method of the geographic identification technology modality.
  • cross-backbone transmission that is, the target geographical location represented in the geographic identification data header is outside the multimodal network domain
  • SRv6, MPLS-SR, etc. mainstream high-speed forwarding network modes suitable for backbone network carrying
  • node machines implement isolation and high-speed forwarding based on network modality.
  • the node machines are hard-isolated high-speed forwarding pipelines with resource isolation, which realize high-speed interconnection and forwarding of data services between multimodal network domains (i.e., access aggregation networks).
  • the backbone network can flexibly adjust the forwarding mechanism and resource allocation of the backbone network according to changes in network modality service requirements.
  • the bandwidth size of the backbone network can be flexibly adjusted.
  • the node machine For example, for the geographically-identified addressing data that needs to be transmitted across the backbone network, the node machine first identifies that the mode type of the data packet is a network mode based on geographically-identified addressing, and then extracts the "domain address information" of the target network domain from the specified field of the data packet (here refers to the geographical location information of the destination network domain), and calculates the backbone network forwarding path and hard isolation pipe information according to the service quality requirements of the data service (for example, the hard isolation bandwidth, hard isolation pipe residence time, hard isolation pipe delay, etc.
  • the service quality requirements of the data service for example, the hard isolation bandwidth, hard isolation pipe residence time, hard isolation pipe delay, etc.
  • the node machine can adjust the hard isolation pipe path, bandwidth and other states in time to adapt to the network capacity requirements of the service changes.
  • the upper-level controller has but is not limited to the functions of traditional SDN network control, such as topology discovery, routing calculation, flow table distribution, and link status perception.
  • the multimodal network system 100 of this embodiment supports the personalized network requirements of diversified business scenarios from top to bottom through a four-layer architecture of application layer, business layer, modality layer and environment layer, and finally performs unified bearing on the same network infrastructure; realizes terminal-side multimodal intelligent loading adaptation and computing unloading acceleration through the terminal network card, realizes unified bearing of multimodal technology modes and efficient traffic convergence of access aggregation layer through the coprocessor, realizes hard channel isolation and high-speed forwarding of backbone network for network mode through node machine, and provides the required centralized control capability support for multimodal network nodes through the controller, which solves the problem that the network technology mode is single in the network development model in the related technology and cannot meet the needs of different networks.
  • the business needs are addressed, achieving the best fit between business applications and technical systems, thereby significantly reducing network resource overhead, improving service quality, and increasing the efficiency, flexibility, and stability of data transmission.
  • the present application also provides a multimodal network operation method, which is applied to the multimodal network system 100 in the above-mentioned embodiment.
  • a multimodal network operation method which is applied to the multimodal network system 100 in the above-mentioned embodiment.
  • the multimodal network system 100 includes a network infrastructure for carrying and transmitting messages corresponding to each network application.
  • Figure 6 is a flow chart of the multimodal network operation method of some embodiments of the present application. As shown in Figure 6, the process includes the following steps:
  • Step S601 determining corresponding network applications based on network service requirements.
  • Network business needs refer to network services for the future Internet, such as consumer businesses such as AR/VR, online games, and live streaming, as well as production businesses such as industrial manufacturing, unmanned driving, and telemedicine.
  • Network applications refer to various network applications, as well as the environment and scenarios in which users are most likely to be when using each network application, including time, space, device support, and other aspects. In order to meet people's various network business needs in production and life, the corresponding network applications are determined according to the application environment and application scenarios where the network business needs are located, including the functions, business logic, and implementation effects of the network applications.
  • Step S602 Determine corresponding network capability requirements based on network applications.
  • the network capability requirements can be qualitative or quantitative.
  • Step S603 Determine the corresponding network mode based on the network capability requirement.
  • Network modality can also be called network technology modality, which refers to the sum of technical regulations to ensure the normal operation of the communication network, which can include customized software and hardware configuration, message format, routing protocol, switching method, forwarding logic, operation and maintenance specifications and security policies, etc.
  • network technology modality refers to the sum of technical regulations to ensure the normal operation of the communication network, which can include customized software and hardware configuration, message format, routing protocol, switching method, forwarding logic, operation and maintenance specifications and security policies, etc.
  • high-bandwidth network capabilities can be achieved by matching network technology modalities such as IPv4 and IPv6, and deterministic and low-latency network capabilities can be achieved by matching industrial control identification network technology modalities, etc.
  • Step S604 Based on the network modality, a message corresponding to the network application is generated, encapsulated, routed and forwarded in the network infrastructure.
  • Network infrastructure refers to the supporting environment of multimodal networks, which may include controllers, multimodal network nodes (such as node machines, coprocessors, terminal network cards, etc.), application terminals, etc.
  • the network infrastructure is used to generate, encapsulate, decapsulate, and route and forward messages corresponding to each network application according to the network modality corresponding to each network application, and realize data transmission based on network applications of different network modalities.
  • the corresponding network application is determined based on the network service requirements.
  • the application scenario of business requirements determines the function, business logic, implementation effect, etc. of the network application; based on the network application, the corresponding network capability requirements are determined, and the network resource conditions required to implement the network application are clarified; based on the network capability requirements, the corresponding network mode is determined, and the network mode with corresponding capabilities is matched according to these network capability requirements, and the technical mode corresponding to the network mode is provided to ensure that multiple network modes can coexist in the same physical facility and play their respective roles; based on the network mode, the corresponding messages of the network application are generated, encapsulated, routed and forwarded in the network infrastructure, providing network capability support for multi-modal symbiosis for the multi-modal network environment, solving the problem that the network technology mode in the network development model of related technologies is single and cannot meet the needs of different network services, and achieving the best adaptation of business applications and technical systems, thereby significantly reducing network resource overhead and improving service
  • generating, encapsulating, routing and forwarding messages corresponding to the network application in the network infrastructure includes: transmitting messages based on multiple types of network nodes; and uniformly scheduling and centrally controlling network resources at the data layer.
  • the network nodes include terminal nodes, aggregation nodes and backbone nodes, each backbone node corresponds to a multimodal network domain and multiple aggregation nodes in the multimodal network domain, and each aggregation node corresponds to multiple terminal nodes.
  • the method also includes:
  • the terminal node generates corresponding messages based on network applications and transmits messages with the corresponding aggregation node; the aggregation node routes and forwards the received messages, and transmits cross-network domain messages in the messages with the corresponding backbone node; the backbone node isolates and forwards cross-network domain messages.
  • the method also includes: the terminal node determines the corresponding network mode based on the network capability requirements corresponding to the network application; based on the network mode, encapsulates the data of the network application into a network domain message and sends it to the aggregation node, and receives the network domain message sent by the aggregation node and unpacks it.
  • the method further includes: the aggregation node determines the corresponding network mode based on the received network domain message; and performs routing forwarding based on the addressing routing method of the network mode.
  • the multimodal network domain includes a non-edge aggregation node and an edge aggregation node connected to the corresponding backbone node.
  • the method further includes:
  • the non-edge aggregation node determines whether the destination route of the network domain message is within the multimodal network domain where the aggregation node is located; if the destination route is not within the multimodal network domain, the network domain message is forwarded to the edge aggregation node; the edge aggregation node encapsulates the network domain message into a cross-network domain message, and the cross-network domain message includes the network domain address where the destination route is located; and sends the cross-network domain message to the backbone node.
  • the method also includes: the backbone node identifies the corresponding network mode based on the received cross-network domain message; based on the network mode, obtains the network domain address of the cross-network domain message; based on the network capability requirements and network mode corresponding to the cross-network domain message, allocates corresponding resources to the cross-network domain message and performs isolated forwarding.
  • the method also includes: the backbone node determines the forwarding path and hard isolation pipe parameters based on the network capability requirements corresponding to the cross-network domain messages; based on the forwarding path and the hard isolation pipe parameters, constructs a hard isolation pipe corresponding to the network modality; based on the hard isolation pipe, isolates and forwards the cross-network domain messages.
  • unified scheduling and centralized control of network resources at the data layer specifically include: at least one of data layer function configuration and dynamic deployment, multi-modal addressing routing, and unified network management and control and load balancing.

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Abstract

一种多模态网络系统(100)及多模态网络运行方法。多模态网络系统(100)从上到下依次包括：应用层(11)，用于提供网络业务需求对应的网络应用；业务层(12)，用于确定实现网络应用的网络能力需求；模态层(13)，用于基于网络能力需求，提供对应的网络模态；环境层(14)，用于提供支撑网络模态运行的网络基础设施，网络基础设施用于承载和传输各网络应用对应的报文，报文基于网络应用对应的网络模态生成、封装、解封和路由转发。

Description

多模态网络系统及多模态网络运行方法
相关申请
本申请要求2023年7月5日申请的，申请号为202310814543.6，名称为“多模态网络系统及多模态网络运行方法”的中国专利申请的优先权，在此将其全文引入作为参考。
技术领域
本申请涉及网络通信技术领域，特别是涉及一种多模态网络系统及多模态网络运行方法。
背景技术
随着网络技术和应用的不断发展，互联网已成为与国民经济和社会发展高度相关的重大信息基础设施，对提高社会生产力、助推经济社会升级转型、创造新的就业机会等方面均具有深远影响。未来互联网不仅要支持AR(Augmented Reality，增强现实)/VR(Virtual Reality，虚拟现实)、在线游戏、网络直播等消费型业务，还要支持工业制造、无人驾驶、远程医疗等生产型业务，实现海量终端的泛在互联、指令下发等，在大规模数据收集、处理、分发和利用的基础上提供各式各样的网络服务。然而，相关技术中网络技术与发展模式在面对上述业务的人-机-物智能组网、全时空随遇接入、服务性能可确保、网络大数据或分布式网络计算等多元化、专业化需求时，存在网络技术模态单一，无法满足不同网络业务需求的问题。
针对相关技术中网络发展模式中存在的网络技术模态单一，无法满足不同网络业务需求的问题，目前还没有提出有效的解决方案。
发明内容
在本实施例中提供了一种多模态网络系统及多模态网络运行方法。
第一个方面，在本实施例中提供了一种多模态网络系统，所述多模态网络系统从上到下依次包括：应用层、业务层、模态层和环境层。
应用层，用于提供网络业务需求对应的网络应用；业务层，用于确定实现所述网络应用的网络能力需求；模态层，用于基于所述网络能力需求，提供对应的网络模态；环境层，用于提供支撑所述网络模态运行的网络基础设施，所述网络基础设施用于承载和传输各网络应用对应的报文，所述报文基于所述网络应用对应的网络模态生成、封装、解封和路由 转发。
在其中的一些实施例中，所述环境层包括互相分离的控制层和数据层，所述数据层包括多种类型的网络节点。所述数据层用于基于所述网络节点，进行报文传输；所述控制层用于对所述数据层的网络资源进行统一调度和集中控制。
在其中的一些实施例中，所述网络节点包括终端节点、汇聚节点和骨干节点，每个所述骨干节点对应一个多模态网络域和所述多模态网络域中的多个汇聚节点，每个所述汇聚节点对应多个终端节点。
所述终端节点，用于基于所述网络应用生成对应的报文，并与对应的汇聚节点进行报文传输；所述汇聚节点，用于对接收到的报文进行路由转发，并与对应的骨干节点进行所述报文中的跨网络域报文的传输；所述骨干节点，用于对所述跨网络域报文进行隔离转发。
在其中的一些实施例中，所述终端节点还用于：基于所述网络应用对应的网络能力需求，确定对应的网络模态；基于所述网络模态，将所述网络应用的数据封装为网络域报文后发送至所述汇聚节点，以及接收所述汇聚节点发送的网络域报文并进行解封。
在其中的一些实施例中，所述汇聚节点还用于：基于接收到的网络域报文，确定对应的网络模态；基于所述网络模态的寻址路由方式，进行路由转发。
在其中的一些实施例中，所述多模态网络域包括汇聚节点和与对应的骨干节点连接的边缘汇聚节点。
所述汇聚节点还用于：确定所述网络域报文的目的路由是否在所述汇聚节点所在的多模态网络域内；在所述目的路由不在所述多模态网络域内的情况下，将所述网络域报文转发至所述边缘汇聚节点。
所述边缘汇聚节点还用于：将所述网络域报文封装为跨网络域报文，所述跨网络域报文包含所述目的路由所在的网络域地址；将所述跨网络域报文发送至所述骨干节点。
在其中的一些实施例中，所述骨干节点还用于：基于接收到的跨网络域报文，识别对应的网络模态；基于所述网络模态，获取所述跨网络域报文的网络域地址；基于所述跨网络域报文对应的网络能力需求和所述网络模态，为所述跨网络域报文分配对应的资源并进行隔离转发。
在其中的一些实施例中，所述骨干节点还用于：基于所述跨网络域报文对应的网络能力需求，确定转发路径和硬隔离管道参数；基于所述转发路径和硬隔离管道参数，构建与所述网络模态对应的硬隔离管道；基于所述硬隔离管道，对所述跨网络域报文进行隔离转发。
在其中的一些实施例中，所述控制层包括控制器，所述控制器用于实现：数据层功能 配置与动态部署、多模态寻址路由、网络统一管控与负载均衡中的至少一种功能。
第二个方面，在本实施例中提供了一种多模态网络运行方法，所述方法应用于多模态网络系统，所述多模态网络系统包括用于承载和传输各网络应用对应报文的网络基础设施，所述方法包括：
基于网络业务需求，确定对应的网络应用；
基于所述网络应用，确定对应的网络能力需求；
基于所述网络能力需求，确定对应的网络模态；
基于所述网络模态，在所述网络基础设施中生成、封装和路由转发所述网络应用对应的报文。
本申请的一个或多个实施例的细节在下面的附图和描述中提出。本申请的其它特征、目的和优点将从说明书、附图以及权利要求书变得明显。
附图说明
为了更清楚地说明本申请实施例或传统技术中的技术方案，下面将对实施例或传统技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据公开的附图获得其他的附图。
图1是本申请一些实施例的多模态网络系统的架构示意图。
图2是本申请一些实施例的应用场景匹配网络模态的示意图。
图3是本申请一些实施例的网络节点分布与运行逻辑示意图。
图4是本申请一些实施例的骨干节点与多模态网络域的连接示意图。
图5是本申请一些实施例的多模态网络系统的结构示意图。
图6是本申请一些实施例的多模态网络运行方法的流程图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
除另作定义外，本申请所涉及的技术术语或者科学术语应具有本申请所属技术领域具备一般技能的人所理解的一般含义。在本申请中的“一”、“一个”、“一种”、“该”、 “这些”等类似的词并不表示数量上的限制，它们可以是单数或者复数。在本申请中所涉及的术语“包括”、“包含”、“具有”及其任何变体，其目的是涵盖不排他的包含；例如，包含一系列步骤或模块(单元)的过程、方法和系统、产品或设备并未限定于列出的步骤或模块(单元)，而可包括未列出的步骤或模块(单元)，或者可包括这些过程、方法、产品或设备固有的其他步骤或模块(单元)。在本申请中所涉及的“连接”、“相连”、“耦接”等类似的词语并不限定于物理的或机械连接，而可以包括电气连接，无论是直接连接还是间接连接。在本申请中所涉及的“多个”是指两个或两个以上。“和/或”描述关联对象的关联关系，表示可以存在三种关系，例如，“A和/或B”可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。通常情况下，字符“/”表示前后关联的对象是一种“或”的关系。在本申请中所涉及的术语“第一”、“第二”、“第三”等，只是对相似对象进行区分，并不代表针对对象的特定排序。
请参阅图1所示，为本申请一些实施例的多模态网络系统100的结构示意图。该多模态网络系统100从上到下依次包括应用层11、业务层12、模态层13和环境层14。应用层11用于提供网络业务需求对应的网络应用；业务层12用于确定实现网络应用的网络能力需求；模态层13用于基于网络能力需求，提供对应的网络模态；环境层14用于提供支撑网络模态运行的网络基础设施，该网络基础设施用于承载和传输各网络应用对应的报文，该报文基于网络应用对应的网络模态生成、封装、解封和路由转发。
本实施例的多模态网络系统100是一种层次化网络架构。如图1所示，按照自上向下的方向，应用层11是指应用与场景，主要指各种网络应用，以及各网络应用被使用时用户最可能所处的环境和场景，包括时间、空间、设备支持等多个方面。以应用层11的网络应用需求为牵引，业务层12确定所需的网络能力需求，指满足对应网络业务需求的网络能力，可以包括但不限于大带宽、广连接、低延时、确定性、高安全等。根据业务层12的网络能力需求，匹配模态层13对应的网络模态，也可称为网络技术模态，是指保证通信网正常运行所作的技术规定的总和，可以包括自定义的软硬件组态、报文格式、路由协议、交换方式、转发逻辑、运维规范和安全策略等。例如，大带宽网络能力可以通过匹配IPv4、IPv6等网络技术模态来实现，确定性、低时延网络能力可以通过匹配工控标识网络技术模态来实现等。环境层14通过网络基础设施，构建多模态网络的支撑环境，对异构网络模态进行统一承载，可以包括控制器、多模态网络节点(如节点机、协处理机、终端网卡等)、应用终端等。
本实施例的多模态网络系统100，通过应用层提供各种网络应用，以及各网络应用被使用时用户所在的场景，以满足不同的网络业务需求；通过业务层确定不同网络应用所需 要的网络能力，包括网络带宽、链接方式、网络延时、安全性、可靠性等；通过模态层提供能满足该网络能力的网络模态，该网络模态即网络技术模态，指保证通信网络的正常运行的技术规定的总和；通过环境层提供支撑各种网络模态运行的网络基础设施，该网络基础设施用于根据各网络应用对应的网络模态，生成、封装、解封和路由转发各网络应用对应的报文，以网络业务需求为牵引匹配对应的网络模态，获得了业务应用与技术体系的最佳适配，从而显著降低网络资源开销，解决了相关技术中网络发展模式中存在的网络技术模态单一，无法满足不同网络业务需求的问题。
在一些实施例中，图2是本申请一些实施例的应用场景匹配网络模态的示意图，如图2所示，对于应用层11为工业智能巡检场景21的情况，对应的业务层12的网络能力需求是低延时、高安全和确定性，根据该网络能力需求，可以在模态层13中匹配IPv4、IPv6、MPLS-SR(Segment Routing MPLS，基于MPLS转发平面的段路由)、地理标识、工控标识等对应的网络模态。对于应用层11为虚拟现实类场景22的情况，对应的业务层12的网络能力需求是低延时、高安全和广连接，根据该网络能力需求，可以在模态层13中匹配IPv4、IPv6、身份标识、算力标识等对应的网络模态。而对于应用层11为分布式计算场景23的情况，对应的业务层12的网络能力需求是低延时、高安全和大带宽，根据该网络能力需求，可以在模态层13中匹配IPv4、IPv6、SRv6、算力标识、内容标识等对应的网络模态。对于上述三种不同网络应用场景，通过多模态网络系统100分别确定对应的网络能力需求，并根据网络能力需求匹配对应的网络模态，为多种异构网络模态在该系统中共存提供对应的技术模态和网络基础设施，满足了多样化网络应用需求。
在一些实施例中，环境层包括互相分离的控制层和数据层，该数据层包括多种类型的网络节点，数据层用于基于网络节点，进行报文传输；控制层用于对数据层的网络资源进行统一调度和集中控制。
本实施例中的数据层与控制层相分离，数据层可包括多个网络节点，网络节点可以根据网络拓扑结构分为多种类型，例如可根据网络节点在网络结构中所处的位置，分为终端节点、汇聚节点和骨干节点，也可以根据其他特征进行分类。数据层主要负责通过各种不同类型的网络节点，实现网络应用的报文传输，包括报文的生成、封装、解封和路由转发等；控制层根据数据层的设备能力和网络资源，为数据层的报文传输提供统一调度和集中控制。
进一步地，控制层包括控制器，控制器用于实现：数据层功能配置与动态部署、多模态寻址路由、网络统一管控与负载均衡中的至少一种功能。进一步地，控制器还可以具备但不限于传统SDN(Software Defined Network，软件定义网络)网络控制的拓扑发现、路 由计算、流表下发、链路状态感知等功能。
本实施例的多模态网络系统100，通过数据层的网络节点实现网络应用的报文传输，通过控制层进行资源的统一调度规划，为多模态网络节点提供所需的集中式控制能力支撑；支持灵活可定义的多种网络标识体系共生共存、多样化寻址、差异化业务运营等网络能力，实现网络的柔性化管控。
在一些实施例中，图3是本申请一些实施例的网络节点分布示意图，如图3所示，网络节点包括终端节点143、汇聚节点142和骨干节点141，每个骨干节点141对应一个多模态网络域144和该多模态网络域144中的多个汇聚节点142，每个汇聚节点142对应多个终端节点143。
终端节点143用于基于网络应用生成对应的报文，并与对应的汇聚节点142进行报文传输；汇聚节点142用于对接收到的报文进行路由转发，并与对应的骨干节点141进行报文中的跨网络域报文的传输；骨干节点141用于对跨网络域报文进行隔离转发。
具体地，终端节点143可以是终端设备的网卡。针对终端设备不同的网络应用需求，通过网络应用主动选择或根据业务服务质量被动匹配的方式，将该网络应用需要发送的有效载荷数据匹配到对应的网络模态上，并根据对应的网络模态生成对应的报文。例如，网络应用需要基于地理位置进行报文的寻址路由和转发，终端节点可以将上层应用发送的有效载荷数据按照地理标识寻址网络模态生成对应的报文，并发送给汇聚节点。此外，针对复杂的网络应用，可以将部分符合硬件加速的通用操作(如加解密等)下沉到终端节点上，实现对上层应用的加速与卸载。
汇聚节点142可以是位于接入汇聚网的协处理机，实现多模态数据的统一承载。由终端节点143生成的多模态网络报文转发至汇聚节点142，汇聚节点142通过对报文的解析、匹配等操作，识别出对应的网络模态，并根据该网络模态的寻址路由方式进行路由转发。当报文不需要跨网络域进行传输时，例如，对于上述地理标识寻址网络模态的对应报文，如果该地理标识数据报头中表征的目标地理位置在本多模态网络域内，则不需要跨网络域传输，此时只需根据地理标识技术模态的寻址路由方式，在本多模态网络域内转发至目的终端。
当报文需要跨网络域进行传输时，例如，对于上述地理标识寻址网络模态的对应报文，如果该地理标识数据报头中表征的目标地理位置在本多模态网络域以外，则需要跨网络域进行传输。汇聚节点142可以将该报文发送到对应的骨干节点141。骨干节点141可以是骨干网中的节点机。骨干节点141为不同网络模态和同一网络模态的不同通信路由划分资源隔离的硬隔离高速转发管道，实现多模态网络域(即接入汇聚网)间数据业务的高速互 联转发。根据该跨网络域报文包含的目的路由所在的网络域地址，将该跨网络域报文隔离转发至对应的骨干节点141，再由该骨干节点发送至对应的网络域内部的汇聚节点142。
本实施例的多模态网络系统100，通过终端节点生成网络应用对应的报文，并接入网络；通过汇聚节点142根据该报文对应的网络模态的寻址路由方式进行报文的路由转发；通过骨干节点141实现网络域间数据的高速隔离传输；通过终端节点143、汇聚节点142和骨干节点141的协同运行，建立适配异构网络模态功能与性能的节点层次化协作逻辑，以满足多种网络模态业务端到端的高速处理需求。
在一些实施例中，终端节点143还用于：基于网络应用对应的网络能力需求，确定对应的网络模态；基于网络模态，将网络应用的数据封装为网络域报文后发送至汇聚节点142，以及接收汇聚节点142发送的网络域报文并进行解封。
针对终端设备不同的应用需求，通过网络应用主动选择或根据业务服务质量被动匹配的方式，将网络应用需要发送的有效载荷数据匹配到对应的网络模态之后，可以根据对应的网络模态进行报文的封装与解封装操作。例如网络应用需要基于地理位置进行数据包的寻址路由和转发，终端节点143则将上层应用发送的有效载荷数据按照地理标识寻址网络模态进行报文封装，并发送给汇聚节点142。解封装过程则反之。封装后的报文为网络域报文，可以进行网络域内的汇聚节点142间的转发。
本实施例的多模态网络系统100，通过终端节点143根据网络模态将网络应用的数据封装为网络域报文，完成业务数据与网络模态的智能化匹配，建立满足业务功能与性能需求的网络标识寻址方式，并封装或解封对应的网络模态数据包，为对应的汇聚节点142按照该网络标识寻址方式进行路由转发提供目的地址，满足了不同网络应用的数据传输需求，提高了数据传输效率。
在一些实施例中，汇聚节点142还用于：基于接收到的网络域报文，确定对应的网络模态；基于网络模态的寻址路由方式，进行路由转发。
汇聚节点142通过对网络域报文的解析、匹配等操作，识别出该网络域报文对应的网络模态，并根据该网络模态的寻址路由方式进行路由转发。同一个汇聚节点142可实现多种网络模态的统一承载与协同汇聚，即汇聚节点142可同时承载异构网络模态数据，并具有对应的数据处理能力。进一步地，汇聚节点142负责网络域内多模态统一承载与快速汇聚和带内通用计算。
本实施例的多模态网络系统100，通过汇聚节点142识别网络域报文对应的网络模态，并根据该网络模态的寻址路由方式进行路由转发，实现相应网络模态技术体系下的寻址路由，即多模态网络域中多种网络技术路由寻址方式的协同处理与统一承载，将报文的传输 与对应的网络模态进行匹配，满足了不同网络应用的数据传输需求，提高了数据传输效率。
在一些实施例中，图4是本申请一些实施例的骨干节点与多模态网络域的连接示意图，如图4所示，多模态网络域144包括非边缘汇聚节点1422和与对应的骨干节点141连接的边缘汇聚节点1421。非边缘汇聚节点1422还用于：确定网络域报文的目的路由是否在汇聚节点142所在的多模态网络域144内；在目的路由不在多模态网络域144内的情况下，将网络域报文转发至边缘汇聚节点1421；边缘汇聚节点1421还用于：将网络域报文封装为跨网络域报文，跨网络域报文包含目的路由所在的网络域地址；将跨网络域报文发送至骨干节点141。
汇聚节点142根据网络域报文的目的地址，确定该网络域报文目的路由是否在该汇聚节点142所在的多模态网络域144内；如果在该汇聚节点142所在的多模态网络域144内，则不需要跨网络域传输，此时只需根据网络域报文的网络模态对应的寻址路由方式，在本多模态网络域内转发至目的终端。如果不在该汇聚节点142所在的多模态网络域144内，则需要跨网络域传输，此时，与发送网络域报文的终端节点连接的非边缘汇聚节点1422快速将网络域报文转发至与骨干网连接的边缘汇聚节点1421。该边缘汇聚节点1421将该网络域报文按照对应的网络模态封装为适合骨干网高速转发的跨网络域报文，并根据对应网络模态数据的快速聚合能力，在封装后的跨网络域报文指定的字段中写入目的网络域的域地址信息。
以上述实施例中的地理标识寻址网络模态为例，若该报文需要进行跨网络域传输，即地理标识数据报头中表征的目标地理位置在本多模态网络域外，则需要迅速将网络域内报文转发至与骨干节点141连接的边缘汇聚节点1421，并在该边缘汇聚节点1421处提取表征目的多模态网络域的路由信息字段(这里为目的网络域的地理位置信息字段)，再由边缘汇聚节点1421将该路由信息字段封装至如SRv6、MPLS-SR等(适合骨干网承载的主流高速转发网络模态)报文报头的指定字段中，最终交由骨干节点141进行转发。
本实施例的多模态网络系统100，通过汇聚节点142确定该网络域报文目的路由是否在该汇聚节点142所在的多模态网络域内，明确网络域报文的转发路径，以获取对应的骨干网络或汇聚网络多模态网络域内的转发资源；通过边缘汇聚节点1421将网络域报文封装为跨网络域报文并发送至对应的骨干节点141，实现多模态网络业务的跨骨干网传输和数据的高速互联转发，提高了网络报文的转发效率。
在一些实施例中，骨干节点141还用于：基于接收到的跨网络域报文，识别对应的网络模态；基于网络模态，获取跨网络域报文的网络域地址；基于跨网络域报文对应的网络能力需求和网络模态，为跨网络域报文分配对应的资源并进行隔离转发。
骨干节点141为不同网络模态和同一网络模态的不同通信路由划分资源隔离的硬隔离高速转发管道，实现多模态网络域(即接入汇聚网)间数据业务的高速互联转发。骨干节点141还可以根据网络模态业务需求的变化灵活调整骨干网的转发机制与资源分配，如针对同一网络模态的报文，根据网络服务质量的差异化需求可以划分为不同的硬隔离高速通道进行转发；根据不同网络模态业务对带宽、时延的需求变化，灵活调整骨干网的带宽大小等。例如上述需要跨网络域传输的地理标识寻址报文，骨干节点先识别出该跨网络域报文的网络模态类型为基于地理标识寻址的网络模态，再从该跨网络域报文的指定字段中提取目标网络域的域地址信息(这里指目的网络域的地理位置信息)，并根据该网络应用的网络能力需求或服务质量需求，计算得到骨干网的转发路径和对应的资源信息，为跨网络域报文分配对应的资源并进行隔离转发。当骨干网资源、所承载的网络模态、网络业务等发生变化时，骨干节点141还可以及时调整转发资源，从而适配业务变化对网络的能力需求。
本实施例的多模态网络系统100，通过骨干节点141识别跨网络域报文对应的网络模态，根据网络模态和网络能力需求为跨网络域报文分配对应的资源并进行隔离转发，并根据业务需求的变化灵活调整骨干网的转发机制与资源分配，提高了骨干网的转发效率和灵活性。
在一些实施例中，骨干节点141还用于：基于跨网络域报文对应的网络能力需求，确定转发路径和硬隔离管道参数；基于转发路径和硬隔离管道参数，构建与网络模态对应的硬隔离管道；基于硬隔离管道，对跨网络域报文进行隔离转发。
骨干节点141根据该跨网络域报文的网络能力需求或服务质量需求，可以计算出骨干网的转发路径和硬隔离管道信息，例如针对该网络模态的所有业务或同种网络模态下的不同网络业务，所需要划分的硬隔离带宽、硬隔离管道驻留时间、硬隔离管道延时等，再根据转发路径和硬隔离管道信息，应用网络隔离技术如FlexE(Flexible Ethernet,灵活以太网)/MTN(Metro Transport Network，城域传输网络)等，构建面向网络模态的隔离管道，最终基于SRv6、MPLS-SR等进行骨干网的高速隔离转发。骨干节点141可根据网络模态业务需求的变化灵活调整骨干网的转发机制与资源分配，如针对同一网络模态数据包，根据网络服务质量的差异化需求划分为不同的硬隔离高速通道进行转发；根据不同网络模态业务对带宽、时延的需求变化，灵活调整骨干网的带宽大小等。
本实施例的多模态网络系统100，通过骨干节点141基于网络能力需求确定转发路径和硬隔离管道参数，构建与网络模态对应的硬隔离管道，实现不同网络模态和同一网络模态的不同通信路由的数据高速隔离传输，提高数据传输的速度、安全性和稳定性；通过骨 干节点141根据网络能力需求分配骨干网网络资源，并根据不同网络模态业务对带宽、时延的需求变化，灵活调整骨干网网络资源，提高了骨干网的传输效率和灵活性。
下面通过可选实施例对本实施例进行描述和说明。图5是本申请一些可选实施例的多模态网络系统100的结构示意图。如图5所示，该多模态网络系统100从上到下依次包括应用层11、业务层12、模态层13和环境层14。环境层14包括互相分离的控制层和数据层，该数据层包括多个网络节点，网络节点包括终端网卡、协处理机和节点机。
本实施例的多模态网络系统100按照自上向下的设计思路，形成层次化的网络架构。以需求为牵引，应用层11面向多样化应用抽象业务层12所需的网络能力需求，如大带宽、广连接、低延时、确定性、高安全等；根据业务层12网络能力需求匹配模态层13对应的网络技术模态，如大带宽网络能力通过匹配IPv4、IPv6等网络技术模态来实现，确定性、低时延网络能力通过匹配工控标识网络技术模态来实现，等等；环境层14通过多模态网络节点构建多模态网络智慧支撑环境对异构网络技术模态进行统一承载，主要包括控制器、多模态网络节点(如节点机、协处理机、终端网卡等)、应用终端。
例如，针对工业智能巡检应用场景，首先抽象出该应用场景所需的主要网络能力需求为低延时、高安全、确定性等，然后根据这些网络能力需求为其匹配具备相应能力的网络技术模态，具体包括工控标识、IPv4、IPv6、地理标识等，并通过上述多种网络模态的有机组合为工业智能巡检场景提供个性化的网络能力支撑，最后将上述网络模态统一运行于由节点机、协处理机、终端网卡构成的多模态网络智慧支撑环境之上。
具体地，在端侧，终端网卡实现面向应用业务的网络模态匹配与数据包生成/解封。针对终端设备不同的应用需求，通过应用主动选择或根据业务服务质量被动匹配的方式，将应用需要发送的有效载荷数据匹配到对应的网络模态上，并根据对应的网络模态进行报文的封装与解封装操作。例如应用需要基于地理位置进行数据包的寻址路由和转发，终端网卡则将上层应用发送的有效载荷数据按照地理标识寻址网络模态进行报文封装，并发送给协处理机。解封装过程则反之。此外，针对复杂的网络应用，可以将部分符合硬件加速的通用操作(如加解密等)下沉到终端网卡上，实现对上层应用的加速与卸载。
在接入汇聚网，协处理机实现多模态数据统一承载。由终端网卡生成的多模态网络数据包转发至协处理机，协处理机通过对数据包的解析、匹配等操作，识别出数据包对应的网络模态，并根据该网络模态的寻址路由方式进行路由转发。当数据需要跨骨干网进行传输时，与终端网卡连接的协处理机快速将数据包转发至与骨干网连接的边缘协处理机节点，在该边缘节点处将对应网络模态数据包封装为适合骨干网高速转发的网络模态数据包，并根据对应网络模态数据的快速聚合能力，在“封装”后报文指定的字段中写入目的网络域 的域地址信息，实现多模态网络业务的跨骨干网传输。例如，上述地理标识网络模态数据包在不需要跨骨干网传输时，则只需根据地理标识技术模态的寻址路由方式在本多模态网络域内转发至目的终端。若需要进行跨骨干网传输，即地理标识数据报头中表征的目标地理位置在本多模态网络域外，则需要迅速将数据包转发至与骨干网连接的边缘协处理机节点，并在该节点处提取表征目的多模态网络域的路由信息字段(这里为目的网络域的地理位置信息字段)，再由边缘协处理机将该字段封装至如SRv6、MPLS-SR等(适合骨干网承载的主流高速转发网络模态)数据包报头的指定字段中，最终交由节点机进行骨干互联转发。
在骨干网，节点机实现基于网络模态的隔离与高速转发。需要经过骨干网跨多模态网络域传输的业务数据，节点机为划分资源隔离的硬隔离高速转发管道，实现多模态网络域(即接入汇聚网)间数据业务的高速互联转发。骨干网可根据网络模态业务需求的变化灵活调整骨干网的转发机制与资源分配，如针对同一网络模态数据包，根据网络服务质量的差异化需求划分为不同的硬隔离高速通道进行转发；根据不同网络模态业务对带宽、时延的需求变化，灵活调整骨干网的带宽大小等。例如上述需要跨骨干网传输的地理标识寻址数据，节点机先识别出该数据包的模态类型为基于地理标识寻址的网络模态，再从该数据包指定字段中提取目标网络域的“域地址信息”(这里指目的网络域的地理位置信息)，并根据该数据业务的服务质量需求计算出骨干网的转发路径和硬隔离管道信息(例如针对该网络模态的所有业务或同种网络模态下的不同网络业务，所需要划分的硬隔离带宽、硬隔离管道驻留时间、硬隔离管道延时等)，再根据上述信息和网络隔离技术(如FlexE/MTN等)构建面向网络模态的隔离管道，最终基于SRv6、MPLS-SR等进行骨干网高速隔离转发。当骨干网资源、所承载网络模态、网络业务等发生变化时，节点机可及时调整硬隔离管道路径、带宽等状态，从而适配业务变化对网络的能力需求。
上述终端网卡、协处理机、节点机间的协作运行处理逻辑除了需要提前协商好对接的逻辑接口外，还需要通过上层控制器进行资源的统一调度规划，上层控制器具备但不限于传统SDN网络控制的拓扑发现、路由计算、流表下发、链路状态感知等功能。
本实施例的多模态网络系统100，通过应用层、业务层、模态层和环境层四层架构，自顶向下支撑多样化业务场景的个性化网络需求，并最终在同一个网络基础设施上进行统一的承载；通过终端网卡实现端侧多模态智能加载适配与计算卸载加速，通过协处理机实现接入汇聚层的多模态技术模态统一承载与流量高效汇聚，通过节点机实现骨干网面向网络模态的硬通道隔离与高速转发，通过控制器为多模态网络节点提供所需的集中式控制能力支撑，解决了相关技术中网络发展模式中存在的网络技术模态单一，无法满足不同网络 业务需求的问题，获得了业务应用与技术体系的最佳适配，从而显著降低网络资源开销，提高了服务质量，提高了数据传输的效率、灵活性和稳定性。
在一些实施例中，本申请还提供了一种多模态网络运行方法，该多模态网络运行方法应用于上述实施例中的多模态网络系统100。与上述多模态网络系统100相对应，本实施例的多模态网络运行方法未提及之处，可参考上述多模态网络系统100的相应内容，本申请在此不做赘述。该多模态网络系统100包括用于承载和传输各网络应用对应报文的网络基础设施。图6是本申请一些实施例的多模态网络运行方法的流程图。如图6所示，该流程包括如下步骤：
步骤S601，基于网络业务需求，确定对应的网络应用。
网络业务需求是指面向未来互联网的网络服务，如AR/VR、在线游戏、网络直播等消费型业务，以及工业制造、无人驾驶、远程医疗等生产型业务等。网络应用指各种网络应用，以及各网络应用被使用时用户最可能所处的环境和场景，其包括时间、空间、设备支持等多个方面。为满足人们在生产生活中的各种网络业务需求，根据网络业务需求所在的应用环境和应用场景，确定对应的网络应用，包括该网络应用的功能、业务逻辑、实现效果等。
步骤S602，基于网络应用，确定对应的网络能力需求。
根据网络应用的功能、业务逻辑、实现效果等，确定所需要的网络能力，即满足对应网络业务需求的网络能力，如大带宽、广连接、低延时、确定性、高安全等，该网络能力需求可以是定性的，也可以是定量的。
步骤S603，基于网络能力需求，确定对应的网络模态。
网络模态也可称为网络技术模态，是指保证通信网正常运行所作的技术规定的总和，可以包括自定义的软硬件组态、报文格式、路由协议、交换方式、转发逻辑、运维规范和安全策略等。例如，大带宽网络能力可以通过匹配IPv4、IPv6等网络技术模态来实现，确定性、低时延网络能力可以通过匹配工控标识网络技术模态来实现等。
步骤S604，基于网络模态，在网络基础设施中生成、封装和路由转发该网络应用对应的报文。
网络基础设施是指多模态网络的支撑环境，可以包括控制器、多模态网络节点(如节点机、协处理机、终端网卡等)、应用终端等。该网络基础设施用于根据各网络应用对应的网络模态，生成、封装、解封和路由转发各网络应用对应的报文，实现基于不同网络模态的网络应用的数据传输。
通过上述步骤S601～S604，通过基于网络业务需求，确定对应的网络应用，基于网络 业务需求的应用场景确定网络应用的功能、业务逻辑、实现效果等；通过基于网络应用，确定对应的网络能力需求，明确实现该网络应用所需要的网络资源条件；通过基于网络能力需求，确定对应的网络模态，根据这些网络能力需求为其匹配具备相应能力的网络模态，并提供该网络模态对应的技术模态，以保障多种网络模态在同一物理设施中共存并各自发挥作用；通过基于网络模态，在网络基础设施中生成、封装和路由转发该网络应用对应的报文，为多模态网络环境提供多模态共生共存的网络能力支撑，解决了相关技术中网络发展模式中存在的网络技术模态单一，无法满足不同网络业务需求的问题，获得了业务应用与技术体系的最佳适配，从而显著降低网络资源开销，提高了服务质量。
在一些实施例中，基于网络模态，在网络基础设施中生成、封装和路由转发该网络应用对应的报文包括：基于多种类型的网络节点，进行报文传输；对数据层的网络资源进行统一调度和集中控制。
在一些实施例中，网络节点包括终端节点、汇聚节点和骨干节点，每个骨干节点对应一个多模态网络域和多模态网络域中的多个汇聚节点，每个汇聚节点对应多个终端节点。所述方法还包括：
终端节点基于网络应用生成对应的报文，并与对应的汇聚节点进行报文传输；汇聚节点对接收到的报文进行路由转发，并与对应的骨干节点进行报文中的跨网络域报文的传输；骨干节点对跨网络域报文进行隔离转发。
在一些实施例中，所述方法还包括：终端节点基于网络应用对应的网络能力需求，确定对应的网络模态；基于网络模态，将网络应用的数据封装为网络域报文后发送至汇聚节点，以及接收汇聚节点发送的网络域报文并进行解封。
在一些实施例中，所述方法还包括：汇聚节点基于接收到的网络域报文，确定对应的网络模态；基于网络模态的寻址路由方式，进行路由转发。
在一些实施例中，多模态网络域包括非边缘汇聚节点和与对应的骨干节点连接的边缘汇聚节点。所述方法还包括：
非边缘汇聚节点确定网络域报文的目的路由是否在汇聚节点所在的多模态网络域内；在目的路由不在多模态网络域内的情况下，将网络域报文转发至边缘汇聚节点；边缘汇聚节点将网络域报文封装为跨网络域报文，跨网络域报文包含目的路由所在的网络域地址；将跨网络域报文发送至骨干节点。
在一些实施例中，所述方法还包括：骨干节点基于接收到的跨网络域报文，识别对应的网络模态；基于网络模态，获取跨网络域报文的网络域地址；基于跨网络域报文对应的网络能力需求和网络模态，为跨网络域报文分配对应的资源并进行隔离转发。
在一些实施例中，所述方法还包括：骨干节点基于跨网络域报文对应的网络能力需求，确定转发路径和硬隔离管道参数；基于转发路径和硬隔离管道参数，构建与网络模态对应的硬隔离管道；基于硬隔离管道，对跨网络域报文进行隔离转发。
在一些实施例中，对数据层的网络资源进行统一调度和集中控制具体包括：数据层功能配置与动态部署、多模态寻址路由、网络统一管控与负载均衡中的至少一种功能。
需要说明的是，在上述流程中或者附图的流程图中示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行，并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
需要说明的是，在本实施例中的具体示例可以参考上述实施例及可选实施方式中所描述的示例，在本实施例中不再赘述。
应该明白的是，这里描述的具体实施例只是用来解释这个应用，而不是用来对它进行限定。根据本申请提供的实施例，本领域普通技术人员在不进行创造性劳动的情况下得到的所有其它实施例，均属本申请保护范围。
显然，附图只是本申请的一些例子或实施例，对本领域的普通技术人员来说，也可以根据这些附图将本申请适用于其他类似情况，但无需付出创造性劳动。另外，可以理解的是，尽管在此开发过程中所做的工作可能是复杂和漫长的，但是，对于本领域的普通技术人员来说，根据本申请披露的技术内容进行的某些设计、制造或生产等更改仅是常规的技术手段，不应被视为本申请公开的内容不足。
“实施例”一词在本申请中指的是结合实施例描述的具体特征、结构或特性可以包括在本申请的至少一个实施例中。该短语出现在说明书中的各个位置并不一定意味着相同的实施例，也不意味着与其它实施例相互排斥而具有独立性或可供选择。本领域的普通技术人员能够清楚或隐含地理解的是，本申请中描述的实施例在没有冲突的情况下，可以与其它实施例结合。
以上所述实施例仅表达了本申请的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对专利保护范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进，这些都属于本申请的保护范围。因此，本申请的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种多模态网络系统，其特征在于，所述多模态网络系统从上到下依次包括：
    应用层，用于提供网络业务需求对应的网络应用；
    业务层，用于确定实现所述网络应用的网络能力需求；
    模态层，用于基于所述网络能力需求，提供对应的网络模态；
    环境层，用于提供支撑所述网络模态运行的网络基础设施，所述网络基础设施用于承载和传输各网络应用对应的报文，所述报文基于所述网络应用对应的网络模态生成、封装、解封和路由转发。
  2. 根据权利要求1所述的多模态网络系统，其中，所述环境层包括互相分离的控制层和数据层，所述数据层包括多种类型的网络节点，
    所述数据层用于基于所述网络节点，进行报文传输；
    所述控制层用于对所述数据层的网络资源进行统一调度和集中控制。
  3. 根据权利要求2所述的多模态网络系统，其中，所述网络节点包括终端节点、汇聚节点和骨干节点，每个所述骨干节点对应一个多模态网络域和所述多模态网络域中的多个汇聚节点，每个所述汇聚节点对应多个终端节点；
    所述终端节点，用于基于所述网络应用生成对应的报文，并与对应的汇聚节点进行报文传输；
    所述汇聚节点，用于对接收到的报文进行路由转发，并与对应的骨干节点进行所述报文中的跨网络域报文的传输；
    所述骨干节点，用于对所述跨网络域报文进行隔离转发。
  4. 根据权利要求3所述的多模态网络系统，其中，所述终端节点还用于：
    基于所述网络应用对应的网络能力需求，确定对应的网络模态；
    基于所述网络模态，将所述网络应用的数据封装为网络域报文后发送至所述汇聚节点，以及接收所述汇聚节点发送的网络域报文并进行解封。
  5. 根据权利要求3所述的多模态网络系统，其中，所述汇聚节点还用于：
    基于接收到的网络域报文，确定对应的网络模态；
    基于所述网络模态的寻址路由方式，进行路由转发。
  6. 根据权利要求5所述的多模态网络系统，其中，所述多模态网络域包括非边缘汇聚节点和与对应的骨干节点连接的边缘汇聚节点；
    所述非边缘汇聚节点还用于：确定所述网络域报文的目的路由是否在所述汇聚节点所 在的多模态网络域内；在所述目的路由不在所述多模态网络域内的情况下，将所述网络域报文转发至所述边缘汇聚节点；
    所述边缘汇聚节点还用于：将所述网络域报文封装为跨网络域报文，所述跨网络域报文包含所述目的路由所在的网络域地址；将所述跨网络域报文发送至所述骨干节点。
  7. 根据权利要求3所述的多模态网络系统，其中，所述骨干节点还用于：
    基于接收到的跨网络域报文，识别对应的网络模态；
    基于所述网络模态，获取所述跨网络域报文的网络域地址；
    基于所述跨网络域报文对应的网络能力需求和所述网络模态，为所述跨网络域报文分配对应的资源并进行隔离转发。
  8. 根据权利要求7所述的多模态网络系统，其中，所述骨干节点还用于：
    基于所述跨网络域报文对应的网络能力需求，确定转发路径和硬隔离管道参数；
    基于所述转发路径和硬隔离管道参数，构建与所述网络模态对应的硬隔离管道；
    基于所述硬隔离管道，对所述跨网络域报文进行隔离转发。
  9. 根据权利要求2所述的多模态网络系统，其中，所述控制层包括控制器，所述控制器用于实现：数据层功能配置与动态部署、多模态寻址路由、网络统一管控与负载均衡中的至少一种功能。
  10. 一种多模态网络运行方法，其特征在于，所述方法应用于多模态网络系统，所述多模态网络系统包括用于承载和传输各网络应用对应报文的网络基础设施，所述方法包括：
    基于网络业务需求，确定对应的网络应用；
    基于所述网络应用，确定对应的网络能力需求；
    基于所述网络能力需求，确定对应的网络模态；
    基于所述网络模态，在所述网络基础设施中生成、封装和路由转发所述网络应用对应的报文。
PCT/CN2023/114641 2023-07-05 2023-08-24 多模态网络系统及多模态网络运行方法 Ceased WO2025007399A1 (zh)

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