Academician Wu Jiangxing: Building a Multimodal Network Environment to Defend Network Sovereignty

Guide:

■ The core technology of the existing network infrastructure is controlled by others. The foundation of network sovereignty and data security is built on the foundation of others, which is always our biggest hidden danger.

■ Innovate the network development paradigm and build a multi-modal network environment, which can fundamentally jump out of the pre-set positions of others, create an original and unique network infrastructure, and support the accelerated formation of “dual circulation”.

■ It is preliminarily determined that in the next 15 years, there will be a window period for the evolution and transformation of key network technology systems in the world. The existing network system is on the eve of fundamental transformation and development. Seize the opportunity and be brave in innovation, and it is entirely possible to achieve success in the direction of the network development paradigm. Innovate and make breakthroughs and gain a leading position, achieve overtaking on curves, and gain influence and dominance in the development of network technology.

With the deep integration of information networks and economic society, the Internet, which has developed for more than 50 years, has begun to expose “genetic defects”, and problems such as function, performance, security, and scalability have become increasingly prominent. In order to solve the existing Internet bottleneck problem, my country has begun to explore the construction of a multi-modal network environment based on the new development paradigm, and launched the “14th Five-Year Plan” national key research and development plan “multi-modal network and communication” key special research.

“In the era of the industrial Internet where everything is interconnected, it is increasingly difficult for the existing Internet to meet the service quality requirements of various scenarios such as delay and jitter. The multi-modal network environment represents the development direction of information network technology and industry.” Recently, the reporter An exclusive interview with Wu Jiangxing, academician of the Chinese Academy of Engineering and chief scientist in the field of network security of Zhijiang Laboratory, approached the multi-modal network environment of independent innovation in my country.

Multimodal network environment is the starting point for realizing the innovation of information network development paradigm

Reporter: What is a multimodal network environment?

Wu Jiangxing: At present, one of the main reasons for the lack of rich application scenarios for 5G networks is the lack of network architecture for vertical industry application characteristics. Similar to 5G, the requirements for network service quality of various emerging network applications are constantly changing and different, and the design of identification definitions, switching systems, routing protocols, etc. are also very different. It has become a shackle for the development of various new network technologies.

Diversified services require the support of diversified network technology systems. We propose a multi-modal network environment for the differentiated service performance requirements of various vertical industries and applications on the network system and constant delay, time sensitivity, delay jitter, error-free transmission, and remote synchronization.

The multi-modal network environment enables these diversified network technology systems to coexist in a unified infrastructure (ie base network), and realize the intelligent deployment of network technology systems through the “plug and play” base interface, so as to use multiple The customized technical system is suitable for various types of personalized and specialized application needs.

Multimodal network environment can be understood as a new type of network infrastructure, just like millions of communication towers/base stations and their interconnection facilities serve 3G, 4G, 5G networks, this infrastructure can support telecom operators, industrial enterprises , service providers and other various enterprises and institutions based on the standard or their own network technology system digital communication and intelligent computing to support the deployment and operation of various applications and services in such a “network of networks” infrastructure.

Reporter: Why do you need a multimodal network environment?

Wu Jiangxing: In the early days of Internet development, there were at most hundreds of networks. These networks do not communicate with each other, just like there are hundreds of dialects, and the IP protocol solves the problem of interconnection between these networks. Today, the IP protocol has gradually developed into a “uniform” protocol for the Internet, which is used to carry all services, just like a small horse-drawn cart, and it is becoming more and more difficult to meet the needs of various scenarios for network service quality:

The rapid expansion of network complexity deviates from the original design intention of “simplicity is beauty”. As of the end of 2020, the number of RFCs (compilation of technical data on the Internet) has reached more than 8,000, far exceeding the more than 2,000 items in 2000; the mainstream core-level router software code generally reaches hundreds of millions of lines.

Although current web services can theoretically perform most of the functions, the performance is far below the desired quality. In the era of industrial Internet, the objects of the network are not only people, but also sensors, machinery and equipment, and control devices. People are less sensitive to network latency when surfing the Internet, but machines/industrial systems require low-latency, high-reliability network performance guarantees.

In a complex network with stacking development, functional safety and network security issues are intertwined. Whether it is security threats such as unknown loopholes, backdoors, viruses and Trojan horses existing in software and hardware codes, or reliability problems caused by random failures are becoming more and more serious. So far, there is no integrated theoretical and technical solution.

In the era of computing power network, the Internet, which only aims at the end-to-end transmission of information or data, is far from meeting the needs of a series of emerging services such as cloud computing, edge computing, and distributed computing. One network is dominant, and the desire to solve all applications is theoretically impossible to achieve.

It is precisely in order to solve many problems existing in the existing Internet that my country has independently innovated and proposed a multi-modal network environment based on a new paradigm of network development.

Reporter: Why is the multi-modal network environment the starting point for realizing the innovation of the information network development paradigm?

Wu Jiangxing: The paradigm of network development is the perspective of thinking, theoretical basis, methodology and practical norms based on a certain stage of network technology, and it is the world outlook and methodology of network technology development. At present, network development has roughly gone through three paradigms of “network and service integration”, “integrated service digital network” and “separation of network and service”. We are currently in the stage of development paradigm of “separation of network and service”.

In order to meet the requirements of the times for the symbiosis and coexistence, evolution and transformation, functional safety and network security of diversified networks and diverse applications, it is necessary to establish a development paradigm that separates the network technology system from the supporting environment, that is, the fourth paradigm of information network development. Various existing or future network technology systems, in the form of modalities, realize the symbiosis and coexistence of multiple network modalities in the same technical physical environment, independent evolution and transformation, security isolation between modalities, and endogenous security protection functions, etc. .

The multi-modal network environment can not only ensure the self-improvement and development of various services and network technology systems, but also realize the intelligent, efficient, and secure integrated deployment and management of multiple networks. The Development Paradigm of Phase Separation”.

The research and development of multimodal network environment has a foundation

Reporter: What layout does my country have in the research and development of multimodal network environment?

Wu Jiangxing: During the “13th Five-Year Plan” period, the Ministry of Science and Technology has successively launched the “Multi-modal Intelligent Network Core Technology and Principle Platform” project and the “Multi-modal Intelligent Network Environment (PINE) and Verification Application Demonstration” project in the national key R&D plan. etc., more than 20 domestic scientific research institutions carry out collaborative research, and carry out pilot verification around multi-modal network elements, modal development and networking.

At present, the multi-modal network environment, as the starting point for the development of the network information field, has become an important task for the development of science and technology in my country. During the “14th Five-Year Plan” period, my country launched the national key research and development plan “Multimodal Network and Communication” key special project to carry out research on multimodal network core chips, equipment, key technologies and innovation environment, providing important support for my country’s industrial and technological development .

Reporter: How is the current progress of the multi-modal network environment built by Zhijiang Laboratory?

Wu Jiangxing: Zhijiang Laboratory took the lead in undertaking the National Key R&D Program “Multimodal Smart Network Core Technology and Principle Platform” project, in cooperation with University of Information Engineering, Beijing Jiaotong University, Tsinghua University, China Academy of Information and Communications Technology, China Telecom, Guangdong Province New Generation Communication and Network Innovation Research Institute, Fiberhome Communication, Maipu Communication and other advantageous teams are engaged in multimodal network architecture and mechanism design, new network element and multimodal network principle platform development, multimodal symbiosis control and network management operation. It has made important breakthroughs in dimensions and other aspects, and took the lead in developing a multi-modal intelligent network principle platform in the industry, realizing the symbiotic coexistence and independence of five different technical systems, including content, identity, geographic location, industrial control and IP, in the same network infrastructure. Evolution and change, and can support flexible addition and expansion of more network modalities in a software-defined manner.

The research and development of this platform has strongly supported the multi-modal network scientific research experiments, and provided a powerful leading technology for the follow-up further development of test network networking and application demonstration, as well as the layout of key special projects in the “14th Five-Year Plan” national key research and development plan. support.

Reporter: What are the core technological breakthroughs in the multimodal network environment?

Wu Jiangxing: Our research has broken through the three major technologies of the multi-modal network environment, namely, the full-dimensional definition of the network baseline, the intelligent network management and control, and the network endogenous security structure.

One is the fully dimensional definable technology of network baseline. Emerging network service forms emerge in an endless stream, posing new challenges to the carrying capacity of underlying network equipment, while traditional network infrastructure has a single, closed function, and hardware equipment usually cannot be updated and upgraded in a timely manner, resulting in a long-term gap between network service capabilities and application service requirements. There is a “generation gap”. The network baseline full-dimensional definable technology creates a completely transparent basic platform, realizes the all-round opening of network element equipment, protocol control, network resources, node capabilities, network interfaces, forwarding control, bearer methods, etc. Provide the basic environment.

The second is network intelligent management and control technology. The multi-modal network environment supports various network requirements for intelligent loading/unloading or operation in the form of network modalities. After the introduction of artificial intelligence technology, an intelligent network management and control mechanism that integrates “perception, decision-making, and adaptation” can be established. The technological evolution, business development, application innovation, and operation and maintenance management of various network modes belong to the network mode. The creators or owners of the state or technology system can independently deploy or evolve.

The third is the network endogenous security construction technology. At present, new Internet security threats such as link and node failures and system vulnerabilities emerge in an endless stream. Based on the concept of “structure determines security” and “system is greater than the sum of its parts”, the network endogenous security construction technology constructs a new mimic defense technology, thereby breaking the periodic effect of unknown threats to the network and improving the overall security of cyberspace.

Through these three technologies, the multi-modal network environment can make the functional form of the network adapt to the complex and changing social development needs flexibly and efficiently, breaking through the defects of the technical system iteration of “always replacing the new peach with the old one” and “removing the old one”. , which provides sufficient innovation space for the network technology system and its business and performance development, and makes the problems of “high latency”, “high cost” and “difficulty control” in traditional networks a thing of the past.

Promote the application of multi-modal network environment

Reporter: How long will it take us to apply a multimodal network environment? In which areas will it be expected to be applied first?

Wu Jiangxing: In fact, the application of multi-modal network environment in real society has been continuously promoted, and various new network modalities have been deployed and applied in many industrial networks, such as identification network, earth segmentation network, distributed network Computing networks, etc., these applications have shown strong vitality and application effects.

Combined with the current development trend of network technology innovation and application, the multi-modal network environment is expected to be deployed and applied first in the fields closest to the user innovation side, such as cloud-network integration infrastructure, industrial Internet, industry-specific networks, and heaven-earth collaborative networks.

I believe that the multimodal network environment will have a revolutionary impact on network technology and applications. Its application in information network infrastructure will become more and more extensive, and it will be deeply integrated into economic and social fields such as finance, energy, and industry. Improve the innovation and productivity of society.

Reporter: What profound impact will the application of the multimodal network environment have on the country’s economic and social development?

Wu Jiangxing: The core technology of the existing network infrastructure is controlled by others. The foundation of network sovereignty and data security is built on the foundation of others, which is always our biggest hidden danger. Especially under the new situation of the game between China and the United States, it is necessary to speed up the construction of a new development pattern with the domestic cycle as the main body and the domestic and international dual cycles promoting each other.

Innovating the network development paradigm and building a multi-modal network environment can fundamentally jump out of the pre-set positions of others, create an original and unique network infrastructure, and support the accelerated formation of “dual circulation”.

It is preliminarily determined that in the next 15 years, there will be a window period for the evolution and transformation of key network technology systems in the world. The existing network system is on the eve of fundamental transformation and development. Seize the opportunity to innovate bravely, and it is entirely possible to achieve innovation in the direction of the network development paradigm. Break through and gain a leading position, achieve overtaking on curves, and gain influence and dominance in the development of network technology.

Reporter: What policy measures are needed to promote the application of multimodal network environment?

Wu Jiangxing: Combining the current development situation at home and abroad and the development characteristics of new network technologies, it is recommended to formulate corresponding policies and measures from three aspects:

The first is to take the lead by the national competent department to establish a cross-departmental, cross-regional and cross-institutional organization and coordination mechanism, scientific decision-making and overall deployment to promote multi-modal network environment and application research and development tasks; Integrate the advantageous scientific and technological resources of “production, education, research and testing” to provide support for the implementation of independent innovative scientific research results in national construction; the third is to explore new models of scientific research tasks and project organization and implementation, and promote the “revelation and leadership” of multi-modal network environment research and development. The “horse racing system” and other measures have fully stimulated the vitality and research and development power of various innovative entities.

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