duke university update ivy+ network & telecom may 1,...
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![Page 1: Duke University Update Ivy+ Network & Telecom May 1, 2007web.mit.edu/ivyplus/telecom/2007/ivyplus-may07-small.pdf · 2007. 5. 1. · Assist. Dir – Arch Dean Corn Sr. Mgr – Voice](https://reader033.vdocument.in/reader033/viewer/2022060913/60a785d8f78df73ceb540d65/html5/thumbnails/1.jpg)
Duke University UpdateIvy+ Network & Telecom
May 1, 2007
![Page 2: Duke University Update Ivy+ Network & Telecom May 1, 2007web.mit.edu/ivyplus/telecom/2007/ivyplus-may07-small.pdf · 2007. 5. 1. · Assist. Dir – Arch Dean Corn Sr. Mgr – Voice](https://reader033.vdocument.in/reader033/viewer/2022060913/60a785d8f78df73ceb540d65/html5/thumbnails/2.jpg)
Organization
● Office of Information Technology – central ITTracy Futhey
CIO, VP-IT
Tammy ClossAVP – Communications & Systems
Bob JohnsonDirector – Comm. Infra. Services
Kevin MillerAssist. Dir – Arch
Dean CornSr. Mgr – Voice Ops
Jonathan AdamsSr. Mgr – Voice Sys
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Demographics
● 6,244 undergrad
● 6,844 graduates
● 2,518 faculty
● 29,489 staff
– 7,901 University
– Balance Duke Medicine● 6.7M f² (University)
● $4.5B endowment
● 44K data ports
● 28K telephone lines
● 7 NXXs
● 20K voicemail boxes
● ~430 ACD agents
● 5K CATV drops
● 800 radios (800MHz)
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Voice Platform Breakdown
12500
7000
7500
1000600
Telephone Lines
5ESS_Analog5ESS_Digital
S8700_Analog
CallManager
Small_PBX
15000
4500
500
Voicemail
5ESS_Octel
S8700_Audix
CallManager_MM
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Current Voice Projects● Unity Voicemail
– Complete platform replacement
– Unified communications pilot – Summer 07
– Beginning user cutover
● Complete PAETEC engagement– Completed discovery
●
● SS-7 to PRI conversion– Cost and flexibility
– Ability to bypass 5ESS
● SIP Trunking– DR and price
– Inbound pilot to address DID redundancy
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Voicemail Replacement
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VoIP
● Migration to Cisco VoIP– CM5.0
– Greenfield, obsolete systems
– Transitioned systems admin responsibility to Systems group
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Fax Service
● Pilot of X-Medius Fax Server
– Integrated to Avaya S-8700 w/ T.38– email, web gateways (inbound & outbound)
● Enterprise service: efax.duke.edu
– Centrally managed infrastructure– Distributed/site AuthZ– Shibboleth-enabled web login
● Cost effective price point
– 16 ports @ $1600/port; 65:1 user ratio● Valuable with VoIP: supersedes need for analog gateways
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Core Network Upgrade
2006 2007Border 2: 6509-720-3BXL 2: 6509-720-3BXLCore 2: 6509-Sup2 5: 6509-720-3BXLSpeed 1Gbps 20GbpsProtocols MPLS, IPv4 HSRP/GLBP Minimal Complete9K MTU None CompleteDistribution 100Mbps – 1Gbps 1Gbps – 10GbpsPrivate Nets VLAN VRFGeography One building Diverse locations
IPv4, AppleTalk, IPX
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Core: 2006 & 2007
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Edge Network Refresh
● Cisco 3750 with PoE (75% of campus)
● Few telecom rooms with UPS
● 10/100 standard, 20% 10/100/1000
● Edge port configuration– BPDU Guard
– DHCP Snooping (residence halls)
– Accept 32 MACs per port
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Edge Management
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Upstream IP Connectivity Changes
20 06 200 7Connections NCREN
Commodity 450Mbps 1Gbps (300, 500, 200)I2 Abilene Direct, 2.4Gbps
10Gbps (L2) 10Gbps (L2)Routing Default route BGP
NCRENTime Warner TelecomNational TransitRail
Via SoX, 1GbpsNLR PacketNet
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Upstream Analyses: Netflow + BGP
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Wireless Network20 06 20 07
Technology Standalone LightweightModels
Protocols 802.11b/g 802.11a/b/gSecurityAccess points ~600 ~1500
Residence hall Common areas only Common areas onlyManagement Ad HocOutdoor Bleed-through only
† All figures are University only; not inclusive of Duke Medicine
Orinoco AP1000Cisco 12xx
Cisco 1242predominantly
NetReg NetReg
Coverage† 35%2.3M f²
55%3.7M f²
Cisco WCS8 Cisco Mesh – Most popular
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Wireless Controllers
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Emergency Notification
● Paging system
– Local paging transmitters
– Paging terminals: Glenayre GL-3000
– Paging database, oncall, web: Amcom
– Wide area: USA Mobility
● Piloting Amcom E-Notify, rolling forward
– Multi-modal: call out, SMS, email
– Can escalate, require positive response
– Not expected to be used for broadcast messages
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Home Broadband Service
2006 2007Service MRC Service MRC
Time Warner 5M x 384K $40 5M x 768K $40768K x 768K $65 discontinued2M x 1M $85 2M x 1M $704M x 2M $180 4M x 2M $170
768K x 128K $48 768K x 128K $361.5M x 128K $53 1.5M x 128K $461.5M x 384K $65 1.5M x 384K $56
DSL – Verizon
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Other Efforts
● DWDM Optical Ring– Cisco 15454
● Load Balancing– NetScaler RS9950
● DNS & DHCP– 90% migrated to CMU-
NetReg
– Growing DHCP service
● IPTV– Need to replace current
750MHz, 71 channel system
● Video over Fiber– Experimenting with
metro HD transmission to satellite facilities
● SSL-VPN deployment
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Current Data/Video Projects
● New data center build-out (5K f²)
● Metro optical ring expansion (DWDM)
● IPTV– Open standards?
– HD?
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and finally...
● Organizational convergence (voice/video/data)
● Tiered organizational approach to support– 1/operations, 2/systems, 3/architecture
● Creation of customer consultative analyst function– Emphasis on healthcare and convergence