Agenda Networking Basics Project Teams Nestle Case.

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Presentation transcript:

Agenda Networking Basics Project Teams Nestle Case

Networking Concepts Network Layers TCP/IP Addressing (IP/DNS) Routing/Switching

Network Layers Presentation Application Physical Data Link Session Network Transport “ISO” Standard Layers ClientServer

TCP/IP Layers Presentation smtp, http… Fiber, etc Ethernet TCP IP (routing) IP (packets) TCP/IP Layers and “wrappers” ClientServer

TCP/IP TCP IP “Manager” “Worker”

TCP/IP Addressing Address format –Server –Port Class Licenses/subnets Network Address Translation (NAT) –Allows extra local addresses –Limits direct internet access

IP Address Format : 2000 Class B Class A Port # Class C

Leasing IP Addresses Campus Backbone PC BIND Server Request for IP Address Leased IP Address

Addressing/DNS Client DNS Server Router Client Higher DNS Server

Routing Router Internet Campus Backbone LAN IP Directory & rules

Discussion Questions 1) What is the “utility model” for computing”? –Strengths –Weaknesses –Where appropriate or where not 2) Who should be responsible for information systems “vision”: the CIO or the C?O? How do we decide?

Nestle Case Effect of Nestle being built by acquisition on the acceptance of SAP standard? All 5 modules across all divisions at once: pros and cons? User buy-in: encouraging it and measuring it? (Use the development principles we studied on Monday!!)