Transcription of Basic Network Design - cisco.com
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CHAPTER 3-1 Ethernet-to-the-Factory Design and Implementation GuideOL-14268-013 Basic Network DesignOverviewThe main function of the manufacturing zone is to isolate critical services and applications that are important for the proper functioning of the production floor control systems from the enterprise Network (or zone). This separation is usually achieved by a demilitarized zone (DMZ). The focus of this chapter is only on the manufacturing zone. This chapter provides some guidelines and best practices for IP addressing, and the selection of routing protocols based on the manufacturing zone topology and server farm access layer Design .
Basic Network Design Overview The main function of the manufacturing zone is to isolate critical services and applications that are ... avoid potential latency delays if the DNS server goes down or has performance issues. DNS resolution delays are unacceptable at the control level.
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