eSubnet Enterprises Inc. Richard Danielli, eSubnet Higher sales volumes through high network availability INTIX 2010

eSubnet Enterprises Inc. Ticket King eSubnet client Case study for higher volume ticket sales About Theatre tickets Box office, call centre, online ticket sales Daily traffic, first day rush sales Challenges Online complaints Slow database Connections dropping

eSubnet Enterprises Inc. Ticket King eSubnet Services Networking:Security: NET01 Impact AnalysisSEC01 Security Assessment NET02 Network Design & Architecture SEC02 Secure Network Design & Architecture NET03 Network Deployment & Integration SEC03 Security Deployment & Integration NET04 Network Performance Monitoring & Review NET05 Corporate Network Relocation NET06 Network Maintenance PlanSEC06 Security Maintenance Plan

eSubnet Enterprises Inc. High availability networks Availability of services Users get what they want, when they want Minimal impact by device down Know your audience More sales

eSubnet Enterprises Inc. Measuring High Availability A year has 483,840 minutes % Uptime Minutes/yr Or 99479,001.60almost 3.5 days ,356.16around 8 hrs ,791.62just under 1 hour ,835.16just under 5 minutes

eSubnet Enterprises Inc. Achieving High Availability Technologies and equipment Security Implementation Processes

eSubnet Enterprises Inc. Internet

Internet + connectivity

eSubnet Enterprises Inc. Adding a router

eSubnet Enterprises Inc. Adding a firewall &LAN

eSubnet Enterprises Inc. Adding WEB and DB servers

eSubnet Enterprises Inc. Adding user machines

eSubnet Enterprises Inc. Typical network

eSubnet Enterprises Inc. What you need for higher availability

eSubnet Enterprises Inc. Identify where failure can happen

eSubnet Enterprises Inc. Router fails

eSubnet Enterprises Inc. Any piece fails

eSubnet Enterprises Inc. Add redundancy (N+1)

eSubnet Enterprises Inc. More WEB servers

eSubnet Enterprises Inc. Add db servers

eSubnet Enterprises Inc. Add firewalls

eSubnet Enterprises Inc. Add DMZ (for security)

eSubnet Enterprises Inc. Add a pair of load balancers

eSubnet Enterprises Inc. Add a pair of edge routers

eSubnet Enterprises Inc. Add connectivity access: ISPs in pairs

eSubnet Enterprises Inc. High availability network

eSubnet Enterprises Inc. Equipment Avoid single points of failure N+1 redundancy Stay away from consumer grade Multiple ISPs are difficult and costly

eSubnet Enterprises Inc. Technology Fault detection Automatic failover Server: RAID, diverse power LAN: HSRP, STP, port-channels WAN: Dynamic routing

eSubnet Enterprises Inc. Technology Server ◦ RAID  RAID 0 – Striping (no safety)  RAID 1 – Mirroring  RAID 5 – Striping with parity  RAID 10 – Mirror with striping ◦Diverse Power  Separate UPS / Phases

eSubnet Enterprises Inc. Technology LAN: ◦HSRP  3 IP addresses  2 points of management  1 Gateway ◦Spanning Tree  Root Bridge Selection  Convergence time ◦Port-channels  No wasted links  No convergence time

eSubnet Enterprises Inc. Technology WAN: ◦Dynamic routing  Link State  Hop Count

eSubnet Enterprises Inc. Security Clients entrust you Security is a process Network edge In-house BCP/DR

eSubnet Enterprises Inc. Security Security is a process Not just quarterly testing Everyone participates Network edge Firewalls Layers 3 & 7 Filters Bogon Routes

eSubnet Enterprises Inc. Security In-house Anti-Virus Back ups BCP/DR Remote location Mimic Installation What if scenarios

eSubnet Enterprises Inc. Processes Meetings Maintenance windows Documentation Reviews Testing

eSubnet Enterprises Inc. Processes Meetings Project updates Summarize Environment Maintenance windows Scheduled Minimize changes Patching

eSubnet Enterprises Inc. Processes Documentation Part of the routine Easily accessed Stored someplace else Reviews Log files Traffic Stats Testing Pre and post testing

eSubnet Enterprises Inc. Outsiders Service Providers Ask for references Service Level Agreements Consultants Project based Limited Engagement Knowledge transfer mandatory

eSubnet Enterprises Inc. The Hierarchy of Network Needs

eSubnet Enterprises Inc. TicketKing Our Process Assess & measure Identify critical items, low-hanging fruit Develop move-forward plan Maximize availability

eSubnet Enterprises Inc. TicketKing results Action Items Stabilized the db Doubled bandwidth Add load balancing & more bandwidth Improved WAN speeds Improved LAN/WAN redundancy

eSubnet Enterprises Inc. TicketKing Sales Period IncreaseSteps taken Dec % Server raid reconfigured Nominal bandwidth increase Dec % Bandwidth increase Citrix load balance appliance Dec % Process Improvements Documentation upgrade Results

eSubnet Enterprises Inc. Higher volume sales Process improves awareness Awareness improves stability Stability improves availability Availability leads to higher volume sales

eSubnet Enterprises Inc. Raising sales volume The Path to Success

eSubnet Enterprises Inc. Process Standards Based Best Practices Documented testing “If you can't describe what you are doing as a process, you don't know what you're doing.” W. Edwards Deming

eSubnet Enterprises Inc. Awareness Know your customers – Inside & out Know your environment Know your traffic patterns “If you can’t measure it, you can’t manage it” Peter Druker

eSubnet Enterprises Inc. Stability Build in redundancies Maintenance Windows Consider a data centre Security is required inside and out Just because you can, doesn’t mean you should.

eSubnet Enterprises Inc. Availability By being there you make the sale Availability builds confidence and trust Quality begins on the inside... and then works its way out. Bob Moawad (Author)

eSubnet Enterprises Inc. Questions for you to ask Data Centre, inside or out IT Staff, inside, outside or mixed How many 9s can you afford to have How many 9s can you not afford to have What happens if…

eSubnet Enterprises Inc. Richard Danielli, eSubnet Higher sales volumes through high network availability