Digital Transmission Lecture o5 Advanced Computer Networks (ACN) 545 Mr. Thilak de Silva. BSc. Eng., MSc, CEng, FIE(SL), FIET(UK), CITP(UK), MBCS(UK), MIEEE (USA) M.Sc. in IT - Year 1 Semester II - 2012

Today's Agenda A brainstorming session Concept Paper M.Sc. in IT - Year 1 Semester II - 2012

Session Outcomes At the end of this session you will understand the requirements of setting up a Network for a new company, budgeting and creation of Concept Paper. M.Sc. in IT - Year 1 Semester II - 2012

What to consider when developing a new Network ? - Brainstorming Analyze the requirements of the company. Allocated budget. Geographical locations of the network. Technical capabilities of the staff of the company. Number of sub-networks Security of the Network M.Sc. in IT - Year 1 Semester II - 2012

What to consider when developing a new Network ? - Brainstorming Selection of the venders and service providers. Type of data/information transported through the network. Bandwidth Requirements. Type of organization - academic/commercial Routing Protocols used. Company's future plans. M.Sc. in IT - Year 1 Semester II - 2012

What to consider when developing a new Network ? - Brainstorming IPV4 or IPV6 Is VPN required? Centralized or De-Centralized? What is the Back-up plan? Required time line. M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper Step 1 : Identify automation areas. Web portal , E-mail Other applications Billing, Inventory control, HR, Finance, VOIP, vedio conferencing or ERP M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper Step 2 : Physical locations to be networked WAN , LAN For example identify, Switches for each floor of the building Fiber connections Structured caballing L3 switches for VLANs Source : http://www.google.lk/search?hl=en&gbv=2&tbm=isch&sa=X&ei=podET5OuLo-srAfihqHTDw&ved=0CDoQBSgA&q=Lan,+Wan+setup&spell=1&biw=1366&bih=673 M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper Step 3 : Can connect other existing systems For example identify, Number of users per application Step 4 : Methodology of maintaining the network – Network Management System M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper Step 5 : Draw Network diagram For Example, Identify number of buildings and number of floors per each location. Example :- An organization has, Headquarters with 4 buildings and 5 floors each Provincial offices. Branches Regional officers Remote officers Customer service points. Different number of buildings and floors M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper Example :- Headquarters has, For each level get a generic model, because finding buildings, floors and users in every office is time consuming. Building Floor Users 1 20 2 30 .. M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper Step 6 : List the physical devices For example identify, 24 port L2 switches, L3 switches Router per center Firewall Servers for web portal , e-mail DNS server, DHCP server Virus guard server Network management server M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper Step 6 : List the physical devices For example identify, 24 port L2 switches, L3 switches Router per center Firewall Servers for web portal , e-mail DNS server, DHCP server Virus guard server Network management server M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper Step 7 : Caballing Structured caballing per floor Step 8 : Identify software requirements Eg:- Software for servers, ITIL software Step 9 : WAN connectivity Step 10 : Identify operational cost Eg :- Software license cost Maintenance cost WAN fee M.Sc. in IT - Year 1 Semester II - 2012

Preparing the concept paper By taking these into consideration we prepare the budget. Using it we prepare the concept paper. We can present the cost phase wise. M.Sc. in IT - Year 1 Semester II - 2012

Thank You… M.Sc. in IT - Year 1 Semester II - 2012