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Network Security Basics

Chapter Description

Robyn Aber help us to explore how routers and switches are the keys to a strong network foundation.Together they enable the intelligent, end-to-end movement of converged data, voice, and video information within or outside the business.

Access Routing Adoption Decision Criteria

Like their switching counterparts, routers that are employed in small-medium businesses should deliver high performance, flexibility, and intelligent business-class services such as the following:

  • Availability in the form of various types of redundancy and survivability for network resilience.

  • Security such as VPN support, intrusion detection, integrated firewall, and access control lists (ACLs). Chapter 5 provides more details.

  • QoS for traffic scheduling, queuing, and policing.

  • Hot-swappable modules for easy maintenance and uninterrupted network uptime.

  • Scalable manageability for all sizes of businesses.

Consumer-class routers, although they offer attractive commodity prices, might fail when exposed to the rigors of a growing business's applications. This could bring a business to its knees. Such products also could lead to higher TCO over time and result in a patchwork of networking devices that are difficult to manage. The right router can establish a solid foundation for business networking and growth.

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