Theory refinement on Bayesian networks
Proceedings of the seventh conference (1991) on Uncertainty in artificial intelligence
Automatically inferring patterns of resource consumption in network traffic
Proceedings of the 2003 conference on Applications, technologies, architectures, and protocols for computer communications
Two Algorithms for Inducing Structural Equation Models from Data
Two Algorithms for Inducing Structural Equation Models from Data
Regression Can Build Predictive Causal Models
Regression Can Build Predictive Causal Models
Diamond in the rough: finding Hierarchical Heavy Hitters in multi-dimensional data
SIGMOD '04 Proceedings of the 2004 ACM SIGMOD international conference on Management of data
Online identification of hierarchical heavy hitters: algorithms, evaluation, and applications
Proceedings of the 4th ACM SIGCOMM conference on Internet measurement
Shrink: a tool for failure diagnosis in IP networks
Proceedings of the 2005 ACM SIGCOMM workshop on Mining network data
Understanding user behavior in large-scale video-on-demand systems
Proceedings of the 1st ACM SIGOPS/EuroSys European Conference on Computer Systems 2006
Efficient and effective explanation of change in hierarchical summaries
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Temporal causal modeling with graphical granger methods
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Towards highly reliable enterprise network services via inference of multi-level dependencies
Proceedings of the 2007 conference on Applications, technologies, architectures, and protocols for computer communications
Finding hierarchical heavy hitters in data streams
VLDB '03 Proceedings of the 29th international conference on Very large data bases - Volume 29
Towards cinematic internet video-on-demand
Proceedings of the 3rd ACM SIGOPS/EuroSys European Conference on Computer Systems 2008
NetDiagnoser: troubleshooting network unreachabilities using end-to-end probes and routing data
CoNEXT '07 Proceedings of the 2007 ACM CoNEXT conference
P2P IPTV measurement: a case study of TVants
CoNEXT '06 Proceedings of the 2006 ACM CoNEXT conference
End-to-end diagnostics in IPTV architectures
Bell Labs Technical Journal - Next-Generation Wireline Access Networks
What's going on?: learning communication rules in edge networks
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
Answering what-if deployment and configuration questions with wise
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
Challenges, design and analysis of a large-scale p2p-vod system
Proceedings of the ACM SIGCOMM 2008 conference on Data communication
Watching television over an IP network
Proceedings of the 8th ACM SIGCOMM conference on Internet measurement
Troubleshooting chronic conditions in large IP networks
CoNEXT '08 Proceedings of the 2008 ACM CoNEXT Conference
Modeling channel popularity dynamics in a large IPTV system
Proceedings of the eleventh international joint conference on Measurement and modeling of computer systems
NetPrints: diagnosing home network misconfigurations using shared knowledge
NSDI'09 Proceedings of the 6th USENIX symposium on Networked systems design and implementation
Automating network application dependency discovery: experiences, limitations, and new solutions
OSDI'08 Proceedings of the 8th USENIX conference on Operating systems design and implementation
A Measurement Study of a Large-Scale P2P IPTV System
IEEE Transactions on Multimedia
On the use of RTP for monitoring and fault isolation in IPTV
IEEE Network: The Magazine of Global Internetworking - Special issue on improving quality of experience for network services
Automated debugging of SLO violations in enterprise systems
COMSNETS'10 Proceedings of the 2nd international conference on COMmunication systems and NETworks
Cross-layer techniques for failure restoration of IP multicast with applications to IPTV
COMSNETS'10 Proceedings of the 2nd international conference on COMmunication systems and NETworks
Packet loss characteristics of IPTV-like traffic on residential links
CCNC'10 Proceedings of the 7th IEEE conference on Consumer communications and networking conference
Detecting the performance impact of upgrades in large operational networks
Proceedings of the ACM SIGCOMM 2010 conference
Crowdsourcing service-level network event monitoring
Proceedings of the ACM SIGCOMM 2010 conference
Self-diagnostic peer-assisted video streaming through a learning framework
Proceedings of the international conference on Multimedia
Listen to me if you can: tracking user experience of mobile network on social media
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
What happened in my network: mining network events from router syslogs
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
Proceedings of the 6th International COnference
QoSaaS: quality of service as a service
Hot-ICE'11 Proceedings of the 11th USENIX conference on Hot topics in management of internet, cloud, and enterprise networks and services
Cross-layer failure restoration of IP multicast with applications to IPTV
Computer Networks: The International Journal of Computer and Telecommunications Networking
Understanding the impact of video quality on user engagement
Proceedings of the ACM SIGCOMM 2011 conference
Analyzing IPTV set-top box crashes
Proceedings of the 2nd ACM SIGCOMM workshop on Home networks
Large-scale app-based reporting of customer problems in cellular networks: potential and limitations
Proceedings of the first ACM SIGCOMM workshop on Measurements up the stack
Performance of networked applications: the challenges in capturing the user's perception
Proceedings of the first ACM SIGCOMM workshop on Measurements up the stack
Practical experiences with chronics discovery in large telecommunications systems
SLAML '11 Managing Large-scale Systems via the Analysis of System Logs and the Application of Machine Learning Techniques
Q-score: proactive service quality assessment in a large IPTV system
Proceedings of the 2011 ACM SIGCOMM conference on Internet measurement conference
Session management of correlated multi-stream 3D tele-immersive environments
MM '11 Proceedings of the 19th ACM international conference on Multimedia
Rapid detection of maintenance induced changes in service performance
Proceedings of the Seventh COnference on emerging Networking EXperiments and Technologies
Practical experiences with chronics discovery in large telecommunications systems
ACM SIGOPS Operating Systems Review
Structured comparative analysis of systems logs to diagnose performance problems
NSDI'12 Proceedings of the 9th USENIX conference on Networked Systems Design and Implementation
Isolating and analyzing fraud activities in a large cellular network via voice call graph analysis
Proceedings of the 10th international conference on Mobile systems, applications, and services
A case for a coordinated internet video control plane
Proceedings of the ACM SIGCOMM 2012 conference on Applications, technologies, architectures, and protocols for computer communication
ESM: efficient and scalable data center multicast routing
IEEE/ACM Transactions on Networking (TON)
3-Dimensional root cause diagnosis via co-analysis
Proceedings of the 9th international conference on Autonomic computing
A case for a coordinated internet video control plane
ACM SIGCOMM Computer Communication Review - Special october issue SIGCOMM '12
Theia: visual signatures for problem diagnosis in large hadoop clusters
lisa'12 Proceedings of the 26th international conference on Large Installation System Administration: strategies, tools, and techniques
ISRN Communications and Networking
Developing a predictive model of quality of experience for internet video
Proceedings of the ACM SIGCOMM 2013 conference on SIGCOMM
A comparison of syslog and IS-IS for network failure analysis
Proceedings of the 2013 conference on Internet measurement conference
Shedding light on the structure of internet video quality problems in the wild
Proceedings of the ninth ACM conference on Emerging networking experiments and technologies
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IPTV is increasingly being deployed and offered as a commercial service to residential broadband customers. Compared with traditional ISP networks, an IPTV distribution network (i) typically adopts a hierarchical instead of mesh-like structure, (ii) imposes more stringent requirements on both reliability and performance, (iii) has different distribution protocols (which make heavy use of IP multicast) and traffic patterns, and (iv) faces more serious scalability challenges in managing millions of network elements. These unique characteristics impose tremendous challenges in the effective management of IPTV network and service. In this paper, we focus on characterizing and troubleshooting performance issues in one of the largest IPTV networks in North America. We collect a large amount of measurement data from a wide range of sources, including device usage and error logs, user activity logs, video quality alarms, and customer trouble tickets. We develop a novel diagnosis tool called Giza that is specifically tailored to the enormous scale and hierarchical structure of the IPTV network. Giza applies multi-resolution data analysis to quickly detect and localize regions in the IPTV distribution hierarchy that are experiencing serious performance problems. Giza then uses several statistical data mining techniques to troubleshoot the identified problems and diagnose their root causes. Validation against operational experiences demonstrates the effectiveness of Giza in detecting important performance issues and identifying interesting dependencies. The methodology and algorithms in Giza promise to be of great use in IPTV network operations.