Networking and Telecommunications

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Presentation transcript:

Networking and Telecommunications 17. RUNet-Rutgers Network 5/5/2019

Wan 3 cities, t1 and t3 lines, oc3 Multiple (3) connections to internet (2 to the commodity internet via Sprint -155 mbps, Verizon -35mbps, and 1 to I2 via Abilene - 155 Mbps (Internet II) -redundancy Buildings on each campus wired via campus backbone (fiber) cable, routers and switches. Normally one router per building. 5/5/2019

Newark Campus Camden Campus New Brunswick Campus Internet 5/5/2019

Lan Offices and labs, primarily ethernet, twisted pair, star topology Some older technologies exists or did in the past, including arcnet, token ring, thick and thin coax ethernet, bus topologies, etc.. Buildings contain backbone cable (fiber or coax) to connect every floor's wiring closet. A hub and/or switch in each wiring closet, to network each lab/office in a star configuration. Moving away from hubs, towards switches only (10/100 switches) Campus backbone is based on fiber, switches and 1 gigabit ethernet 5/5/2019

tcp/ip, appletalk, ipx/spx Main protocol is tcp/ip Moving towards tcp/ip only Novell, unix, nt, macs - client/server approach (no mainframes on Camden campus). ibm mainframe in central campus in N.B. 5/5/2019

Modem pools and access/terminal servers. 72 modems running v Modem pools and access/terminal servers. 72 modems running v.90 (56k) in Camden. Moving towards reducing modem pool (many users have moved to DSL/Cable modems) 5/5/2019

RUNet 2000 5 year project, 100 million+. 600 building and backbone wiring/re-wiring. 3 cities, many campuses. Upgrade fiber wiring, routers, and switches as part of backbone. Upgrades between building and backbones within buildings. Ethernet based (10/100/1000), tcp/ip only. Enhanced cat 5e TP wire. Carry data, voice, and cable/video. Joint project with Bell Atlantic (Verizon). Includes OC3 link (155Mbps) from Camden to N.B./Internet. 5/5/2019

Heavy Use of Switches and Vlans 2 class B ip addresses 128.6.xxx.xxx 165.230.xxx.xxx Use subnets (typically 3rd field in address) Heavy Use of Switches and Vlans Increasing the use of firewalls and private ip address space VPN connections available 5/5/2019

Internet II Non commercial traffic, research only. Universities and major research labs. Rutgers has OC3 pipe to I2 directly (155Mbps). 5/5/2019

THE END!! 5/5/2019