UNIVERSITY OF IBADAN NIGERIA WWW'ui'edu'ng

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UNIVERSITY OF IBADANNIGERIAWWW.ui.edu.ng

• NETWORK
• OVERVIEW

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ORGANISATIONAL INFORMATION

• Established 1948
• Location Ibadan, Oyo State, Nigeria
• Website Address www.ui.edu.ng
• Expanse covers over 1,032 hectares
• Number of faculties 13
• Number of undergrad students 13823
• Number of postgraduate students 3480
• Academic staff 1364
• Administrative staff 1334
• Total number of Computers
• Main Campus about 3600
• College of Medicine about 1600

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CONNECTIVITY DETAILS

• Type of Connectivity Satellite/VSAT
• Capacity of Connection
• Main Campus
• Uplink 1024Kbps (IM)
• Downlink 4256Kbps (4M)
• College of Medicine
• Uplink 512Kbps (0.5M)
• Downlink 2048Kbps (2M)
• Availability of Link burstable capacity NO
• Availability of Committed Information Rate(CIR)
• (Guaranteed Bandwidth rate YES

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NETWORK EQUIPMENT

• ICT-University of Ibadan, NIGERIA deploys
• Cisco
• Cisco 3600 as gateway
• Cisco BR340 series configured as an AP connects
  wireless nodes
• MikroTik (www.mikrotik.com/solutions.php)
• Runs as core router and does the following
• Firewall
• Bandwidth shaper
• Traffic logger
• Web proxy
• NAT
• Installed and connect every node to the network

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NETWORK MEDIA

• VSAT link to Intelsat
• Twisted pair Cat5 cables are used for structured
  office cabling within Department/Unit/Building
• Nodes are connected to ICT base via
• Fiber optic cables
• EM waves (Radio)- wireless link
• There are 34 nodes nos of computers on each node
  fall between 30 - 300

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NETWORK DIAGRAM
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OS ENVIRONMENT

• Redhat Enterprise Linux 8.0 (Mail Server,
  Intranet DNS, Connection grafting
• Microtik O/S (Unix-based) Core Router
• Microsoft Windows 2000 Intranet
• FreeBSD (Unix-based) Radius (for call Exchange)
• Microsoft Windows 2000/XP (Desktop Computing)

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NETWORK SERVICES

• Webmail Service
• Internet Access
• Support to Network Users

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CHALLENGES FACED

• Clients education
• Bandwidth Optimization
• Limited machines for high population of staff and
  students
• ICT Policy
• IP based PBX
• Power Outage
• Operational (Limited technical staff to attend
  to complaints)

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PROPOSED SOLUTIONS

• Faculty-based seminars/workshops/university
  bulletin enlightenments
• Limit the number of windows opened at a time by
  each user
• Limit access to mostly accessed sites to specific
  times of the day
• Increase the number of access points/ machines
• Convince management on ICT Policy
• implimentation
• Train and retrain our technical staff

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PROJECTIONS (ROAD AHEAD)

• Purchase More Band width
• Aims
• Increase student use by about 60
• Introducing Learning Modules and Portal
• Improving access to online Journals and
  Publications
• Moving substantial operations Online
• Create More Access Points
• Multicast Broadcasting
• Multiply the effect of PBX

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CONCLUSION

• Thank you
• Obilor B.C.
• Computing Centre,
• University of Ibadan, Nigeria
• Email dir_compcent.mail.ui.edu.ng OR
  benobilor_at_yahoo.com
• Phone [phone]
• Fax [phone]