• Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint
Share this Page URL
Help

Chapter 4. Building the Network Infrastr... > Understanding Network Architectures

Understanding Network Architectures

In Chapter 2, “Different Needs, Different Networks,” we took a look at the different physical topologies used to describe how devices are physically laid out on a LAN. Topology is a fairly broad way to discuss how a particular LAN is organized. A network architecture, on the other hand, provides more specific information on not only physical layout but also the cabling specifications that can be used and the actual method that the computers and other devices use to access the network media. Network architectures are defined by strict specifications provided by the Institute of Electrical and Electronics Engineers (IEEE), an international organization whose mandate is to develop and share electrical and information technology specifications worldwide.

In Chapter 5, “Network Protocols: Real and Imagined,” we will take a look at the OSI model, which provides a theoretical look at how network communication takes place between a sending and a receiving device. Although the IEEE standards relate to real-world network functionality, these specifications have actually been grouped at the Data Link layer of the OSI theoretical model. Now, having said this, we will save the theory until we discuss OSI and LAN protocol stacks in Chapter 6. Just be aware that for the purpose of discussion and development, the IEEE folks have placed their actual network architecture specifications into a model that explains network interaction in a purely theoretical manner.


PREVIEW

                                                                          

Not a subscriber?

Start A Free Trial


  
  • Creative Edge
  • Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint