FG INET: Internet Network Architectures
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1 FG INET: Internet Network Architectures Prof. Anja Feldmann, Ph.D. 1
2 INET: Research Group Location MAR-4 Office hours Tuesday 12:30 13:00 After the lecture or per Contact Best per Teaching contact Arne Ludwig Web site 2
3 Current research topics IXP data analysis ISP-application collaboration Content aware traffic engineering Caching and content distribution networks Software defined networks Berlin Open Wireless Mesh, OpenFlow, Software defined radios Broadband access evolution Multipath TCP, Socket Intents Licensed/unlicensed spectrum, Mobile user experience Cloud Networking 3
4 Internet and traffic engineering Source: Arbor Networks
5 Internet and traffic engineering Traffic Engineering: Adjust routing or peering, dimension the network Offline Process Source: Arbor Networks
6 The new Internet Source: Arbor Networks 2009 New core of interconnected content and consumer networks 6
7 The new Internet Google, Akamai, RapidShare, Source: Arbor Networks 2009 New core of interconnected content and consumer networks 7
8 The new Internet Moving Target I : Popular Applications Source: Arbor Networks 2009 New core of interconnected content and consumer networks 8
9 The new Internet Moving Target I : Popular Applications Moving Target II : Bottlenecks Source: Arbor Networks 2009 New core of interconnected content and consumer networks 9
10 The new Internet Moving Target I : Popular Applications Moving Target II : Bottlenecks Source: Arbor Networks 2009 New core of interconnected content and consumer networks ISPs lost control of their traffic 10
11 The new Internet Moving Target I : Popular Applications Moving Target II : Bottlenecks Source: Arbor Networks 2009 New core of interconnected Telekom s chief executive, content and consumer networks said Google and others should pay telecoms groups for carrying ISPs lose control of their network content on their networks 11
12 Challenge Content-aware Traffic Engineering ISPs re-gain control of their traffic by biasing host selection 12
13 Improving content access time Case study: CDN 13
14 PaDIS External DNS Provider DNS Internet Service Provider (ISP) 5 4 PaDIS Client Host Provider-aided Distance Information System 14
15 PaDIS External DNS Provider DNS Internet Service ProviderFull View of (ISP) the ISP 5 Network 4 PaDIS Client Content can be downloaded from any eligible host! Host 15
16 ISP-Application cooperation Insight: ISP knows its network Node: bandwidth, geographical location, service class Routing: policy, OSPF/BGP metrics, distance to peers PADIS concept Service of AS / ISP Input: list of possible dst IPs Ouput: ranked list of dst IPs E.g., according to distances between src IP and dst IPs Applicable, whenever there is a choice! 16
17 Teaching Lectures (Vorlesungen) Seminars (Seminare) Lab course (Praktika) Projects (Projekte) Theses (Diplom / Master / Bachelor) PGT: Project Group Meeting (Ph.D. Seminar) NLS: Networking Lecture Series (External visitors) 17
18 Lectures Network protocols and architectures (VL+UE) Design principles of the Internet... Base for all other INET classes Internet Routing (VL) Internet Security (VL) Network Algorithms (VL+UE) Internet Measurement (VL) 18
19 Seminars Internet Routing Internet Measurement How Topics: Current research papers Task: Summary paper + presentation Participation in discussion during the seminar En block after the end of term 19
20 Lab courses Hands on exercises Wireless Lab Understanding various wireless concepts (e.g., interference, MAC layer, multi-hop routing) Experiments with mesh routers in the BOWL indoor network Router Lab Configuring and managing networks Internet experiments in a Lab 20
21 Projects and theses Topics: See Web pages Talk to members of INET Suggest your own topic Work flow: Literature/background search Presentation of idea at students talks series (20 minutes ) Execution of idea / preparation of thesis document Presentation of results at students talks (20 minutes) 21
22 Master 12-27LP Bachelor 0-15 LP Teaching at INET / Anja Feldmann Internet Protocols: Routing and IP Transport (TCP/UDP) Applications Future Internet Topics Traffic Measurement Workload Modeling Wireless Performanceanalysis Network Security NPA (VL+UE) 6LP Course Overview WiSem SoSem Network Algorithms 6LP IR or IS or IM: Internet Routing, Security, Measurement (VL) 3LP Example Module Paths WL: WirelessLab (PR) 6LP RL: RouterLab (PR) 6LP NPA (6LP) NPA (6LP) SE+PJ (9LP) SE: Routing (SE) 3LP SE: Measurement (SE) 3LP IR, IS, IM, SE (6/9LP) IR, IS, IM (6LP) NPA (6LP) IR, IS, IM, SE (6/9LP) PJ: Projekt (PJ) 6LP or 12LP Bachelor Thesis (12LP) WL or/and RL (6/12 LP) WL or/and RL (6/12 LP) WL or/and RL (6/12 LP) Master Thesis (30 LP) Fachgebiet INET Prof. Anja Feldmann 26
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