Chapter 4 Network Layer Computer Networking: A Top Down Approach Featuring the Internet The PowerPoint Slides are based on the material 2nd edition. provided by Jim Kurose, Keith Ross

• INTRODUCTION • MICRO IRRIGATION SYSTEM AND EQUIPMENT • 1.1 Definition, Types • 1.2 Advantages and Problems • 1.3 System Components • 1.4 Emitters • 1,5 Clogging and filtration • 1.6 Fertilizer Applicator • 1.7 Others (air valve, pressure regulator, pipe • 1.8 Typical Micro Irrigation System in the field • MICRO IRRIGATION SYSTEM DESIGN 2.1 Layout of Drip Line and Emitter 2.2 Micro Irrigation System Design Parameters 2.3 Water Balance 2.4 Layout of Pipe Network 2.5 Irrigation Schedule 2.6 Hydraulic Calculation of Pipe Network 2.7 Example for Design of Irrigation System • MICRO IRRIGATION AUTOMATION AND EQUIPMENT

Chapter 1 Computer Networks and the Internet Chapter 2 Application Layer Chapter 3 Transport Layer Chapter 4 The Network Layer Chapter 5 The Link Layer: Links, Access Networks, and LANs Chapter 6 Wireless and Mobile Networks Chapter 7 Multimedia Networking Chapter 8 Security in Computer Networks Chapter 9 Network Management

• Introduction. • What is Software-Defined Network? • OpenFlow. • Research Problems in SDN

• What is Network Optimization? • Typical Models & Algorithms – Minimum Spanning Tree (最小(生成)树) – Minimum Arborescence (最小树形图) – Shortest Path (最短路) – Maximum Flow (最大流) – Minimum Cost Flow (最小费用流) – Matching (匹配)

Background and Motivation What is the brain network Platform and Algorithm Why and how we design accelerators Results Conclusion and future work What we can do next

• Why need networks • History of Networks • Network Classification • Layered Network Model

一、控制测量(control survey) 1、目的与作用 (1)为测图或工程建设的测区建立统一的平面控制网(horizontal control network)和高 程控制网(vertical control network) (2)控制误差的积累 (3)作为进行各种细部测量的基准

Motivation: Network ≈ Wireless Interference Channel Approaches: NA in the middle, Precoding-Based NA PBNA Feasibility of PBNA Conclusion

• Cloud environment & Security problems in cloud • How to protect applications against Hypervisor/OS in cloud • Intel SGX, protecting applications against OS • SCONE (OSDI’16), using Intel SGX • How to protect user data against applications in cloud • Ryoan (OSDI’16), using NaCl (S&P’09) and Intel SGX • How to verify network security in cloud • TenantGuard (NDSS’17)， verifying network isolation in cloud