Core etwork Design V100R005 WIMAX Bandwidth Calculation Training Material.ppt

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Core etwork Design V100R005 WIMAX Bandwidth Calculation Training Material.ppt

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Core etwork Design V100R005 WIMAX Bandwidth Calculation Training Material

WIMAX Bandwidth Calculation Training Material ISSUE1.0 References WIMAX Bandwidth Calculation Template Core Network Design V100R005 WIMAX Bandwidth Calculation Reference Guide Upon completion this course, you will be able to: Understanding the role of bandwidth calculation Understanding the principle for ASN-GW calculating bandwidth Understanding the method of using bandwidth calculation templates Role of Bandwidth Calculation Key Factors Affecting the Result of Bandwidth Calculation Number of users WiMAX Subscribers：indicates the total number of the users supported by each office. The unit is thousand. Traffic model Non-Idle subscriber Ratio of attached wimax subscribers @ BH(%) Uplink Through per Non-Idle Subscribers (kbps) Downlink Through per Non-Idle Subscribers (kbps) UDR (including Time Traffic) . Sizes of messages Peak Ratio（usually use 1.5：1）。 Redundancy factor Average Packet Size (Bytes)。 Networking schedule WIMAX Bandwidth Calculation Content Instance Questions Why bandwidth Calculation in the network Design? Which including part content for WiMAX？ Encapsulation Formats of Common Protocols - IP Packets Encapsulation Formats of Common Protocols - UDP Packets Encapsulation Formats of Common Protocols - GRE Packets Questions List the related Key point of WiMAX bandwidth Calculation? Bandwidth Calculation Instance Solution Topology Basic Concepts of Bandwidth Calculation - Physical Bandwidth Usage Ratio 　 Ethernet Interface Control Protocol Overhead 0.05 Physical Layer Transmission Overhead 0.10 Physical Bandwidth Usage Ratio 0.86 Control protocol overhead: such as the Ethernet broadcast messages and Address Resolution Protocol (ARP) messages Physical layer transmission overhead: such as the frame interval Physical bandwidth usage ratio = 1 x (1 - Control protocol overhead) x (1- Physical layer transmission overhead) The physical bandwidth usage ratio is fixed, indicating the bandwidth that can be used actually is for a kind of available physical me