Planning and Designing High Speed Networks Using 100VG-AnyLAN

1. Do You Really Know Your Network? Is your network congested? Ethernet Congestion. Ethernet Characteristics. Common Causes of Ethernet Congestion. Possible Solutions to Ethernet Congestion. Token Ring Congestion. Token Ring Characteristics. Common Causes of Token Ring Congestion. Congested Network Examples. Example 1: An Engineering Department. Example 2: Large Insurance Company: Records and Claims Headquarters. 2. 100VG-AnyLAN Technology and Network Design. Overview. 100VG-AnyLAN Network Components. The 100VG-AnyLAN Hub (Repeater). 100VG-AnyLAN Nodes. 100VG-AnyLAN Network Links. 100VG-AnyLAN Optional Interconnecting Devices. 100VG-AnyLAN and the OSI Model. OSI Data Link Layer (Layer 2). Logical Link Control (LLC). Media Access Control (MAC) Sublayer. The Demand Priority Protocol (DPP). Link Training MAC Frame Preparation. 100VG-AnyLAN MAC Frame. Bit Order in an IEEE 802.3 Frame. The IEEE 802.3 MAC Frame. Bit Order in an IEEE 802.5 Frame. The IEEE 802.5 MAC Frame. The IEEE 802.12 Training Frame. The IEEE 802.12 Void Frame. Physical Layer (Layer 1. The Physical Medium Independent (PMI) Sublayer. Quartet Channeling: Octet-to-Quintet. Conversion. Data Scrambling 5B6B Encoding (Quintet-to-Sextet Conversion). SFD and EFD Generation. PMI Function Example. The 100VG-AnyLAN Physical Layer Frame. Filler Bits Preamble. Start Frame Delimiter. End Sequence (End Frame Delimiter and Invalid Packet Marker). Error Detection in 100VG-AnyLAN. Physical Medium Dependent (PMD) Sublayer. 4-Channel Multiplexing. 5B/6B Block Encoding with Non-Return. Zero (NRZ) Symbol Shaping. 4-UTP Link Medium Operation. 2-56 2-STP and Fiber-Optic Link Medium. Operation. Data Flow on a Single-Level, 4-UTP Network. Data Flow on a 4-UTP, Cascaded Network. Data Flow in a 2-STP or Fiber-Optic Network. Cable Requirements on a 4-UTP 100VG-AnyLAN Network. Cable Specifications. Testing 100VG-AnyLAN 4 UTP Cable. Test Frequency. Attenuation. Characteristic Impedance. Z-Pair Pair-to-Pair. Crosstalk. Multiple Disturber Near-End Crosstalk. (MDNEXT). Verifying Cable for 100VG-AnyLAN. Installations. Cable Test Devices. Shielded Twisted-Pair (STP) Cable. Testing 100VG-AnyLAN STP Cable. Fiber-Optic Cable. 100VG-AnyLAN Network Topology Rules. Designing 100VG-AnyLAN Networks. Cables. Computers. Hubs. Cross-Connect Blocks. A Single Hub 100VG-AnyLAN Network. Direct Wiring. Wiring Closet. Multiple 100VG-AnyLAN Hub Networks. Hubs in a Single Location. Distributed Hubs. Sample Design Upgrades. Updating the Engineering Department with 100VG-AnyLAN. The Upgrade Recommendation. Reasoning Behind the Recommendation. Updating the Insurance Company with 100VG-AnyLAN. The Upgrade Recommendation. Reasoning Behind the Recommendation. 100VG-AnyLAN Installation Check List. 3. Cross-Point Switching Technology and Network Design Ethernet Cross-Point Switch. Typical Ethernet Switching. Typical Ethernet Switching Performance. Low Latency. High Filtering and Forwarding Capability. Designing Ethernet Cross-Point Switched Networks When NOT to Add Ethernet Switching. Updating the Engineering Department with Ethernet. Cross-Point Switching. The Upgrade Recommendation. Reasoning Behind the Recommendation. 4. Bridging and Routing Technology and Network Design. Bridges. Bridging Advantages. Network Security. Extends a LAN. Provides Redundancy. OSI Level 2 Translation. Bridging Limitations. Routing. Adding a High-Speed Backbone. Adding a Collapsed Backbone. Eliminating Packets on the Network. Routing Advantages. Routing Limitations. Updating the Engineering Department. The Upgrade Recommendation. Reasoning Behind the Recommendation.