Rutgers IT Complex Michael R Mundrane 4 December 2001 Rutgers University Computing Services.
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Transcript of 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 non-commercial, 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.
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
Rutgers
EOSHI
LCSR
TD
UMDNJ
Area 0ATM
CABM
ARC
LSM
Physics
Engineering
Pharmacy
CAIPBusch
Nielson
RUCS Hill
The Enterprise ChallengeI want towatch theVP speech
I want towatch VoD
I want toupgrade myMS Office
I want torun ERP
• Deployment of new applications
• Increasing data traffic
• Demand for rich media (video, java, etc.) services
Customers complain of slow application performance!
New arkRUNet2000
CamdenRUNet2000
NewBrunswick
RUNet2000
RUNet 2000
RUNet 2000
Scale
100 feet 100 miles
OSI Protocol Stack
IT perspective
Wire
Netscape
Customer perspective
Physical
Application
Data Link
Physical
Network
Transport
Session
Presentation
Application
Data Link - Layer 2
Physical - Layer 1
Network - Layer 3
IP address128.6.235.156
Network Interface Card08:00:20:a6:d6:0e
ThicknetThinnet
Twisted pairmultimode fibersingle mode fiber
802.11
OSI Protocol Stack
Data Link - Layer 2
Physical - Layer 1
Network - Layer 3
Router
Switch or Hub
Copper, Glass, or Radio
OSI Protocol Stack
Redundancy
• Provides alternate path
• Has a value
• Adds complexity
• Impacts performance
• Has a cost
Best Practices
• Modular
• Layered
• Aggregated
• Scalable
• Uniform
• Deterministic
• Comprehensible
DeviceDevice DeviceDevice
DeviceDevice DeviceDevice
Local Area Network
Building
Local Area Network (LAN)
RUNet ~ 300
CampusCampus CampusCampus
CampusCampus CampusCampus
Inter-campus backbone
Metropolitan Area
Inter-Campus Backbone
RUNet 3
Network Layers
Building NetworkBuilding Network
Campus NetworkCampus Network
Metropolitan Area NetworkMetropolitan Area Network
Rutgers Regional NetworkRutgers Regional Network
NJEDge.net, Internet 1,2NJEDge.net, Internet 1,2 • Modular
• Layered
• Aggregated
• Scalable
• Uniform
• Deterministic
• Comprehensible
Proper Aggregation
Building NetworkBuilding Network
Campus NetworkCampus Network
Metropolitan Area NetworkMetropolitan Area Network
Rutgers Regional NetworkRutgers Regional Network
HostsHosts
BuschNet 1998
Rutgers
EOSHI
LCSR
TD
UMDNJ
Area 0ATM
CABM
ARC
LSM
Physics
Engineering
Pharmacy
CAIPBusch
Nielson
RUCS Hill
RUCS Hill
10Mbit
100Mbit
155Mbit
622Mbit
45Mbit
•Modular•Layered•Aggregated•Scalable•Uniform•Deterministic•Comprehensible
BuschNet Todaylegacy
External Handoff Group
Rutgers ! RutgersExternalExternal
• Separate policy space
• Security posture
• Application posture
• Translation point
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
Resnet Address Space
• Large blocks
• Pre-assigned
• Greater security
• Improved management
• Required split horizon DNS
• No intractable problems
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.