Eight major technologies break through the perfect design concept of 10 gigabit core Switches

The 10-ge core switch is still quite common. So I studied the perfect design concept of the 10-ge core switch and shared it with you here. I hope it will be useful to you. Quidway S8500 series 10-Gigabit core switches are a new generation of high-performance 10-Gigabit core route switch independently developed by Huawei 3Com, it can be widely used in the core layer of the E-government network, the core layer of the campus network and the Education Metropolitan Area Network, the core layer of the campus network and the enterprise network, the core layer of the operator's IP Metropolitan Area Network, and the convergence layer.

Based on the design concept of the new-generation 10-Gigabit core switch, this series of products supports the new-generation high-performance 10-Gigabit interface and built-in powerful fully distributed service processing engine, layer 2, Layer 3, mpls vpn, multicast, and other business traffic are processed at full-line speeds to provide complete QoS Assurance, security management mechanisms, and carrier-level high reliability design, the Quidway S8500 series has the following eight features to meet the needs of large-scale IP networks for multiple businesses, high reliability, large capacity, and modularization.

1. advanced architecture

Quidway S8500 series products adopt a fully distributed architecture design. They use powerful ASIC chips for high-speed route searches and use Crossbar Technology for High-Speed Packet Exchange, this greatly improves the forwarding performance and scalability of 10-gb core switches. The interface board connects multiple high-speed buses to the Crossbar exchange network on the two main control boards respectively, so as to realize real hot backup of Dual-master and dual-exchange networks. Quidway S8500 series of products adopt the high-performance longest matching and packet-by-packet forwarding method, which can effectively combat network attacks such as "Red code" and "Shock Wave", and is more suitable for large-scale and multi-business scenarios, networks with complex traffic access.

2. Large capacity, high density wire speed switching

Quidway S8500 series products currently provide a maximum of Gbps switching capacity/mpps packet forwarding capability, and can be smoothly upgraded to 1.44Tbps switching capacity and 857Mpps packet forwarding capability; supports a variety of high-density business boards and combined business boards. The entire machine can support up to 576 Gigabit ports for simultaneous line rate forwarding.

3. Powerful business support capabilities

Quidway S8500 supports mpls vpn services; supports a wide range of multicast protocols such as IGMP, igmp snooping, PIM-SM, PIM-DM and MSDP/MBGP); supports WebSwitch Hardware Support) NAT hardware support), built-in firewall hardware support), IDS; Support POS/ATM, RPR and Other interfaces.

4. Support for the next-generation 10-Gigabit Interface

Quidway S8500 series products provide powerful QoS Assurance Based on online rate forwarding, and support a wide range of features such as ACL, Policy Routing, and security. Its next-generation 10-Gigabit Ethernet not only expands to Port 2/line card in terms of interface density but also to port 4/line card, it also supports MPLS Forwarding at line rate, it can provide better ip vpn services and Transparent LAN services to achieve the perfect unification of performance and functions. Quidway S8500 series products not only provide standard LAN interfaces, but also 10GBase-LX4 interfaces using wavelength division multiplexing technology, which greatly improves the flexibility of the user group network.

5. MPLS/IPv6 distributed line rate support

Quidway S8500 series products follow the design philosophy of both business and performance. It uses powerful ASIC chips to implement distributed line rate forwarding of MPLS and IPv6, it can also implement value-added services such as line-rate NAT and WebSwitch based on high-performance NP, while providing users with comprehensive and guaranteed services, while also reducing services as needed.

6. Complete QoS Mechanism

Quidway S8500 10-ge core switch provides a flexible queue scheduling algorithm, which can be set based on ports and queues at the same time. It supports three modes: SP, WRR, SP + WRR, and 8 priority queues, three discard priorities; supports WRED congestion avoidance algorithms and port traffic shaping; supports bandwidth control, with a traffic speed limit granularity of 1 Kbit/s, meeting the requirements of high-quality broadband networks.

7. telecom-Level Reliability Design

The Quidway S8500 10-ge core switch system adopts a distributed structure and supports dual-master switching board and passive backboard design. All boards support hot swapping. The power supply system is optional for AC/DC, and 1 + 1 redundant hot backup is used, it also supports dual-circuit power input, STP, RSTP, MSTP, and VRRP protocols to meet the demanding telecom-grade network reliability requirements and 99.999% system reliability.

8. Comprehensive Security Mechanisms

Quidway S8500 supports multiple Message Authentication and protocols. It can be flexibly combined and bound to effectively prevent unauthorized users from accessing the network and authenticate connected users; the S8500 series products can be connected to the Huawei 3Com SecEngine D series IDS to achieve line speed Security. Based on Different attack events, the linkage switch blocks data streams based on different ACLs, establish a three-dimensional Security Network for users.