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WiFi 7 (Wi-Fi 7) is the next-generation Wi-Fi standard to be launched, also known as IEEE 802.11be or extremely high throughput (EHT).
Based on Wi-Fi 6, Wi-Fi 7 introduces technologies such as 320 MHz bandwidth, 4096-quadrature amplitude modulation (QAM), multi-resource unit (RU), multi-link operation (MLO), enhanced multi-user multiple-input multiple-output (MU-MIMO), and multi-access point (AP) coordination. Drawing on these cutting-edge technologies, Wi-Fi 7 delivers a higher data transmission rate and lower latency than Wi-Fi 6. Wi-Fi 7 is expected to support a throughput of up to 30 Gbps, about three times that of Wi-Fi 6.
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Internet Protocol version 6 (IPv6), also called IP Next Generation (IPng), is a second-generation standard network layer protocol. The network layer where IPv6 resides provides connectionless data transmission services. IPv6 is designed by the IETF as an upgraded version of IPv4 and addresses many defects in IPv4. The most significant difference between IPv6 and IPv4 is that IP addresses are lengthened from 32 bits to 128 bits. IPv6 is more competitive in future markets with its simplified header, sufficient address space, hierarchical address structure, flexible extension header, and enhanced neighbor discovery mechanism.
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Telemetry is a next-generation network monitoring technology used to remotely collect data from devices at high speed. Devices periodically push device information to a collector, providing real-time, high-speed, and accurate network monitoring. To be specific, telemetry organizes data based on YANG models, encodes data in the Google Protocol Buffers (GPB) format, and transmits data through the Google Remote Procedure Call (gRPC) protocol. This improves data collection efficiency and facilitates intelligent interconnection.
In traditional technologies, a collector and devices interact in pull mode by alternatively sending requests and responses. In contrast to these technologies, telemetry works in push mode and has the following advantages:
- Proactively pushes data, reducing the pressure on devices.
- Pushes data periodically in subseconds to avoid data inaccuracy caused by network delay.
- Is capable to monitor a large number of network devices, improving network monitoring efficiency.
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Internet Protocol Security (IPsec) is a suite of protocols and services that provide security for IP networks. It is a widely used virtual private network (VPN) technology. IP packets lack effective security mechanisms and may be forged, stolen, or tampered with when being transmitted on a public network, such as the Internet. To solve this problem, the communicating parties establish an IPsec tunnel for encrypted transmission of IP packets. This ensures secure transmission of IP packets on an insecure network, such as the Internet.
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Cyclic redundancy check (CRC) is a common data transmission error detection technique commonly used in the data communication field. The transmit end calculates a check code for the data in a data frame based on a certain algorithm, appends the check code to the data frame, and sends the data frame to the receive end. The receive end verifies the correctness and integrity of the received data by repeating the calculation using the same algorithm.
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Segment Routing IPv6 (SRv6) is a next-generation IP bearer protocol that combines Segment Routing (SR) and IPv6. Utilizing existing IPv6 forwarding technology, SRv6 implements network programming through flexible IPv6 extension headers.
SRv6 reduces the number of required protocol types, offers great extensibility and programmability, and meets the diversified requirements of more new services. It also provides high reliability and offers exciting cloud service application potential.
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A hybrid cable incorporates optical fibers and copper wires within the same jacket and is a medium for both power supply and data transmission. This is why hybrid cables are typically used to connect switches and APs or connect switches and remote units on campus networks. As future-proof WLAN technologies, such as Wi-Fi 6 and Wi-Fi 7, gain momentum, the conventional twisted pairs cannot keep pace with the bandwidth needs of these technologies. Not only this, optical fibers cannot be used for PoE power supply. This is where the hybrid cable comes in.
IPv6 Enhanced uses the ultra-large address space of IPv6 and involves protocol innovations such as Segment Routing over IPv6 (SRv6), network slicing, In-situ Flow Information Telemetry (IFIT), and Bit Index Explicit Replication IPv6 Encapsulation (BIERv6), as well as technical innovations such as network analysis and automatic optimization. IPv6 Enhanced comprehensively improves IP network capabilities in terms of intelligence, security, ultra-high bandwidth, ubiquitous connectivity, deterministic quality, and low latency, helping establish ubiquitous intelligent IP connections and build a fully connected, intelligent world.
Traditional large and mid-sized campus networks use a three-layer network architecture consisting of access, aggregation, and core layers. A large number of access switches bring challenges to network deployment and routine management. The Solar System architecture consists of a central switch and remote modules (RUs), eliminating the need for devices at the aggregation layer. In this architecture, RUs can be used as modules of central switches to expand remote interfaces without requiring planning, deployment, and management.
Wi-Fi 6 Advanced is a next-generation Wi-Fi technical framework launched by Huawei. Based on the large capacity, low latency, and wide connection of Wi-Fi 6, Wi-Fi 6 Advanced proposes three new features with AI and security as the core: network-wide gigabit, real-time intelligent control, and harmonized IoT and sensing. Wi-Fi 6 Advanced helps build a speedy, stable, and smart wireless network to bring Wi-Fi 6 from office to production, enabling flexible production, unmanned plants, and less-manned production lines.
As the data economy surges, the amount of data generated is expected to reach unprecedented levels. To process all these data, a strong cloud-edge-device computing power and a wide-coverage connected network will be required. A computing network is a new information infrastructure that allocates and flexibly schedules computing, storage, and network resources among the cloud, edge, and device on demand.
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