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Configuration Guide - Virtualization

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of virtualization, including stack and SVF.
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Overview of SVF

Overview of SVF

In the traditional access layer networking used in data centers, servers connect to the network through a large number of fixed switches, as shown in Figure 2-3. As the network size expands, increasing network devices are deployed. Network management becomes an important issue in data center infrastructure management. Additionally, large-scale modern data centers require that access switches provide higher port densities for servers.
Figure 2-3 Traditional data center access layer networking
Super virtual fabric (SVF) is a vertical virtualization technology that allows low-cost fixed switches to act as remote interface cards for a parent switch. This technology increases the port density of the parent switch and facilitates centralized switch management, allowing for high-density access and simple management in data centers. Figure 2-4 shows SVF networking at the data center access layer.
Figure 2-4 SVF networking at the data center access layer
Compared with traditional access layer networking, SVF networking has the following advantages:
  • Lower network construction costs: Low-cost switches are used as access switches, so network construction costs are reduced.

  • Simpler configuration and management: SVF virtualizes multiple devices into one, reducing the number of nodes to manage. You do not need to deploy complex loop prevention protocols, simplifying network configuration and management.

  • Higher scalability and more flexible deployment: When more access ports are required on the network, you only need to add low-cost fixed switches to the network. Moreover, these low-cost switches are deployed near servers, making network deployment more flexible.

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Updated: 2019-04-03

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