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Transcript
Rutgers IT Complex Michael R Mundrane 4 December 2001 Rutgers University Computing Services Copyright Michael R Mundrane 2001. This work is the intellectual property of the author. Permission is granted for this material to be shared for noncommercial, educational purposes provided that this copyright statement appears on the reproduced materials and notice is given that the copying is by permission of the author. To disseminate otherwise or to republish requires written permission from the author. Agenda •Rutgers Network •Paradigm •Engineering •RUNet 2000 •Recent Initiatives •Conclusion Rutgers Network Local Area Network (LAN) Hub/Switch Server Ethernet The World Rutgers Network • • • • • • • 30,000+ hosts 1200+ networks 200+ routers 15+ areas 7 campuses 3 regions 1 autonomous system RUNet Evolution • • • • • • Experimental Sporadic Unequally funded Unstructured evolution Immediacy Complex BuschNet 1998 EOSHI UMDNJ CABM Physics Nielson LSM Pharmacy ARC RUCS Hill Engineering Area 0 ATM Rutgers Busch TD LCSR CAIP Paradigm The Enterprise Challenge I want to watch the VP speech • Deployment of new applications • Increasing data traffic • Demand for rich media (video, java, etc.) services I want to run ERP I want to watch VoD I want to upgrade my MS Office Customers complain of slow application performance! Scale Newark RUNet 2000 RUNet 2000 New Brunswick RUNet 2000 RUNet 2000 Camden RUNet 2000 100 feet 100 miles OSI Protocol Stack Application Netscape Application Wire Physical Presentation Session Transport Network Data Link Physical IT perspective Customer perspective OSI Protocol Stack IP address 128.6.235.156 Network - Layer 3 Data Link - Layer 2 Network Interface Card 08:00:20:a6:d6:0e Physical - Layer 1 Thicknet Thinnet Twisted pair multimode fiber single mode fiber 802.11 OSI Protocol Stack Router Network - Layer 3 Data Link - Layer 2 Switch or Hub Physical - Layer 1 Copper, Glass, or Radio Network Layers LAN Intra-Campus Inter-Campus Internet L1 L2 L3 Redundancy • • • • • Provides alternate path Has a value Adds complexity Impacts performance Has a cost Decrease • • • • Hardware variety Software variety Configuration variety Complexity Increase • • • • Predictability Reliability Performance Service Best Practices • • • • • • • Modular Layered Aggregated Scalable Uniform Deterministic Comprehensible Engineering Project Methodology • • • • • • Concept Research Planning Staging Execution Review Local Area Network (LAN) Device Building Device Local Area Network Device Device RUNet ~ 300 Intra-Campus Backbone LAN Campus LAN Intra-Campus Backbone LAN LAN RUNet 7 Inter-Campus Backbone Campus Metropolitan Area Campus Inter-campus backbone Campus Campus RUNet 3 Regional Network MAN Autonomous System MAN Rutgers Regional Network MAN MAN RUNet 1 External Connectivity AS Internet 1,2 or NJEDge AS Internet Backbone AS AS Network Layers NJEDge.net, Internet 1,2 Rutgers Regional Network Metropolitan Area Network Campus Network Building Network • • • • • • • Modular Layered Aggregated Scalable Uniform Deterministic Comprehensible Proper Aggregation Rutgers Regional Network Metropolitan Area Network Campus Network Building Network Hosts BuschNet 1998 EOSHI UMDNJ CABM Physics Nielson LSM Pharmacy ARC RUCS Hill Engineering Area 0 ATM Rutgers Busch TD LCSR CAIP BuschNet Today legacy •Modular •Layered •Aggregated •Scalable •Uniform •Deterministic •Comprehensible RUCS Hill 10Mbit 100Mbit 155Mbit 622Mbit 45Mbit RUNet 2000 New Brunswick OC48 1000 RUNet transition Legacy RUNet 2000 external World RUNet •Appletalk •IPX •IP •Address •Policy •IP only •Address •Policy Legacy RUNet 2000 transition RUNet legacy OC48 1000 RUNet Legacy Legacy Legacy RUNet 2000 Legacy Legacy External Handoff The World External Handoff Group External Handoff Group Rutgers External ! Rutgers External Handoff Group • • • • Rutgers Separate policy space Security posture Application posture Translation point External ! Rutgers External Handoff Group WCCP Application forwarded inside outside VPN IDS IDS RFC1918 Address Allocation for Private Internets RFC1918 • • • • • 10.0.0.0/8 – 16,777,216 172.16.0.0/12 – 1,048,576 192.168.0.0/16 – 65,536 Translation required Split horizon DNS RFC1918 • 10.0.0.0/8 – reserved • 172.16.0.0/12 – RU routed • 192.168.0.0/16 – free for use Resnet Address Space • • • • • • Large blocks Pre-assigned Greater security Improved management Required split horizon DNS No intractable problems Conclusion Features • • • • • • • Access Reach Bandwidth Latency Jitter Standards Stability Services • • • • • • • Time synchronization Video over Internet Protocol (IP) Voice over Internet Protocol (IP) Web/Content caching Virtual Private Network (VPN) Firewall features Peer to Peer Rutgers IT Complex com-plex 1. A whole made up of complicated or interrelated parts. 2. A collection in which the constituents are intimately associated. 3. A whole which is greater than the sum of its parts. Questions? [email protected]
