Download Network Virtualization by Victor Moreno, Kumar Reddy PDF

By Victor Moreno, Kumar Reddy

Share community assets and decrease bills whereas offering safe community companies to various consumer groups

  • Presents the company drivers for community virtualization and the most important demanding situations dealing with community designers today
  • Shows tips on how to use virtualization designs with present purposes, resembling VoIP and community providers, similar to caliber of carrier and multicast
  • Provides layout possible choices for various real-world deployment situations, with configuration examples and case studies 
Today's corporations have numerous teams of clients with particular wishes. the diversities among those teams translate into particular community requisites. inside a few agencies, those requisites are so assorted that the several teams have to be taken care of as absolutely separate buyers by means of the enterprise's IT division. because the variety of teams raises, preserving them separate and safe is a problem to IT departments, relatively with the arrival of instant networks, the requirement for enterprise-wide consumer mobility, and the necessity for pass crew collaboration with source sharing on a consistent with venture foundation. Network Virtualization presents layout assistance for virtualized firm networks and fingers community architects with the historical past essential to make sound technological offerings within the face of other company specifications. As a method of creation, Network Virtualization lays out the basics of firm community layout. The booklet builds upon those primary ideas to introduce the several virtualization tools because the logical evolution of the firm community structure. distinctive descriptions of the know-how, layout rules, community configurations, and real-world case stories are supplied in the course of the ebook, supporting readers enhance a practical knowing of virtualized firm community architectures. particular examples are incorporated that tailor deployment recommendation to the small, medium, and massive firm atmosphere.

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Extra info for Network Virtualization

Sample text

This is the case for segments providing guest access to the Internet, in which many guests access a single resource in the network. This is manageable because the policies are identical everywhere in the network (allow Internet access, deny all internal access). The policies are usually applied at the edge of the Layer 3 domain. Figure 3-4 shows ACL policies applied at the distribution layer to segment a campus network. Part I: A Network Architecture for the Virtual Enterprise 45 46 Part I: A Network Architecture for the Virtual Enterprise Figure 3-4.

What are the primitives used for Layer 2, Layer 3, or Layer 4 traffic? • Data path How is traffic separation enforced across a network path? What tools are available to maintain the separation across a network? • Control plane Because data-path virtualization essentially builds an overlay topology, what changes are needed for routing protocols to function correctly? This chapter does not cover architectures, topologies, or designs. The purpose of this chapter is to make sure you understand the technology before using it.

Whether to use it or not depends on the need to keep common services or transit traffic in the fusion area protected from the Internet. As mentioned, the common services could exist in a central location or in their own VN and therefore distributed throughout the enterprise. Depending on where the common services are located, the VN perimeter topology will vary. Figure 3-9 illustrates the different scenarios for common services positioning and the Internet firewall. Part I: A Network Architecture for the Virtual Enterprise 51 52 Part I: A Network Architecture for the Virtual Enterprise Figure 3-9.

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