A few days ago, the 2022 China Cloud Network Intelligence Conference was successfully held in Beijing. H3C Group, a subsidiary of Tsinghua Unigroup, was invited to participate in the conference and shared with the industry the innovation and practice of H3C in the network field in the cloud-intelligence-native era, and outlined key technologies, solutions, products and technology evolution of deterministic networks for the industry. A complete picture of H3C's deterministic network layout.

Network Challenges and Solutions in the Era of Cloud-Network Convergence

The "best effort" technical architecture of traditional networks has been unable to support the urgent needs of production-oriented Internet and emerging businesses. With key features such as large bandwidth, low jitter, low latency, and zero packet loss, deterministic networks can provide highly deterministic network transmission services for high real-time business flows, ensuring high timeliness between systems, nodes, and links. collaboration.

In the era of cloud-network integration, H3C Group believes that deterministic networks need to follow three major routes: field-level determinism in LANs, cross-domain determinism in WANs, and full-scene determinism in heterogeneous networks.

In terms of field-level deterministic networks. Utilize 5G private network capability and TSN link layer deterministic delay forwarding mechanism to ensure deterministic transmission under multi-service. H3C's field-level deterministic network solution has been applied in various industry business scenarios such as industrial control and autonomous driving on a large scale with innovative features such as simplified management, weakened clock dependence, low cost, and multi-service deterministic transmission.

In terms of cross-domain level deterministic networks. Through the programmability of SRv6 and the hard-channel forwarding of FlexE, deterministic transmission between regions is realized in the metropolitan area network and the backbone network. With the advantages of programmability, high-precision scheduling, path determination, bandwidth determination, and jitter determination, H3C Group's cross-domain deterministic network solutions have been applied in smart grid, industrial Internet, telemedicine and other industries.

In terms of full-scene deterministic networks. On the basis of the above two solutions, H3C's full-scenario deterministic network solution breaks through the differences and limitations of media, access methods, and service types, and realizes end-to-end deterministic transmission in all scenarios. Through the gateway, the compatibility of heterogeneous networks can be achieved and the coupling between them can be reduced, so as to meet the deterministic network requirements in all scenarios.

Deterministic network evolution direction in the future

When talking about the evolution direction of future deterministic networks, H3C said that future networks will evolve towards end-to-end deterministic transmission in order to provide differentiated, diversified and personalized services for upstream and downstream customers in the industry.

At the same time, in order to ensure stable network performance and good service experience, it is necessary to establish an efficient and coordinated technical system as soon as possible in the deterministic network to further deepen the development process of cloud-network integration.

Cheng works, technical expert of H3C Group

As the contractor of the world's first deterministic network, H3C joined hands with Jiangsu Future Network Innovation Research Institute to control the delay jitter of deterministic flow in each scenario within 15 microseconds, and took the lead in breaking through the deterministic flow and The coexistence of non-deterministic streams. At present, H3C has achieved deterministic guarantee of full-stack products and solutions such as wired, wireless, access, and aggregation.

Under the construction and layout of "Digital China", the deterministic network, as one of the core breakthroughs in the future digital infrastructure, will play an irreplaceable role in the digital transformation of industries such as manufacturing, electric power, mining, Internet of Vehicles, and remote surgery. important value. As an innovator and application promoter of deterministic networks, under the guidance of the "Cloud Intelligence Native" strategy, H3C will continue to invest in technology research and development and innovative applications of future networks, accelerate the application and popularization of deterministic networks, and compete with the industry Together with our partners, we will empower all industries with deterministic networks and build a solid digital foundation for the era of cloud-network integration.