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Managing Enterprise Networks: How do we reduce IT costs?

Managing Enterprise Networks: How do we reduce IT costs?. June 2, 2005. Participants. Hari Balakrishnan Rebecca Isaacs Lee Gates Venkat Padmanabhan Sunjeev Pandey Jennifer Rexford Dave Thaler Alec Wolman. What IS an enterprise network anyway?.

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Managing Enterprise Networks: How do we reduce IT costs?

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  1. Managing Enterprise Networks: How do we reduce IT costs? June 2, 2005 Self-Managing Networks Summit

  2. Participants • Hari Balakrishnan • Rebecca Isaacs • Lee Gates • Venkat Padmanabhan • Sunjeev Pandey • Jennifer Rexford • Dave Thaler • Alec Wolman Self-Managing Networks Summit

  3. What IS an enterprise network anyway? • Network is a cost center, business is something else • Same company owns infrastructure and end systems • Security is important • Apps are often more constrained • Heterogeneity is common • Data center? Extranet? VPN? External face? • Many different types of devices and systems • There is no such thing as a “typical enterprise network”! Self-Managing Networks Summit

  4. Top sources of cost (1/2) • Configuration • Software deployment/installation • Hardware deployment/installation • Testing and certification of new hardware and software • Troubleshooting • Intermittent failures • Serialization and disjoint sources of troubleshooting data • Lack of logging standards • Noise in data (too much) • Help desk, telephone support • Attacks and viruses Self-Managing Networks Summit

  5. Top sources of cost (2/2) • In-house apps/tools • Alpha code for in-house business apps • Developing in-house management apps • Lack of sufficient tools motivates in-house apps/tools • Own unique set of problems • Web site and wiki maintenance • Training • Heterogeneous versions across devices/hosts • Extranets, remote access Self-Managing Networks Summit

  6. Ways to reduce cost • Increase resiliency - redundancy and self-adaptation • Homogenize • Better ways to test and sandbox • Better models to understand complexities and dependencies • Data consolidation and mining in real-time • Proactive monitoring before help desk calls • More self-help tools/systems • Sharing of problem/workarounds - knowledge base • Have a backup system 1 version behind Self-Managing Networks Summit

  7. Barriers to adoption • Pace of change - new technologies, apps, hard for automation to keep up • Value proposition for investment • Can savings be quantified? • Short-term (switching cost) vs long-term cost tradeoffs & budgets (CapEx vs OpEx approval) • Awareness of tools & best practices, job security Self-Managing Networks Summit

  8. Next steps for research • Study of enterprise attributes for various types of enterprises • Highly reliable systems out of homogeneous components at low cost • Standard evolvable logging schema to help correlation and aggregation problems • What is a “normal” model based on captured data • Performance debugging • Network aware apps, what is good behavior • What-if modeling and sandboxing of complex systems • Methodology for interactions between protocols • Scalable network emulation Self-Managing Networks Summit

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