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Service Provisioning for Wireless Mesh Networks. Eric Koskie. Overview. What services are commonly being deployed on municipal networks Wireless Mesh Networks Service Offerings Free Internet Access Registered Unregistered Fee-based Public Access Flat-Rate Differential-Rate. Overview.

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Presentation Transcript
overview
Overview
  • What services are commonly being deployed on municipal networks
    • Wireless Mesh Networks
    • Service Offerings
    • Free Internet Access
      • Registered
      • Unregistered
    • Fee-based Public Access
      • Flat-Rate
      • Differential-Rate
overview1
Overview
  • Web Filtering
  • Wireless Spectrum Preservation
  • Public Safety
  • Video Surveillance
  • Mobile Government Users
  • Virtual Private Networks
  • Voice over IP (VoIP)
  • Meter Reading
  • Government as Anchor Tenant
  • Dedicated Internet Access
  • Advanced Network Services
introduction
Introduction
  • Municipal Wireless networks are a hot new topic in the face of telecom today
    • Enhance services to community
    • Over 300 governments have created Municipal Wireless networks
    • Several Reasons for Municipal Wireless Networks
      • Bridge the digital divide
      • Combine government services and public access
introduction1
Introduction
  • These networks will be owned and managed by many different entities
    • Multi-system Operators (MSOs)
    • Wireless ISPs
    • Phone Companies
wireless mesh networks
Wireless Mesh Networks
  • Based on 802.11 WiFi
    • Laptops, PDAs, Cell Phones
    • May eventually migrate to WiMAX
  • 8 to 30 WAPs to cover one square mile
    • WAPs use mesh capabilities to bring all network traffic back to a single access point
    • This access point provides the backhaul for all other WAPs
    • Uses DSL, Cable, T1, point-to-point wireless, or WiMAX
service offerings
Service Offerings
  • Free Public Access
    • Unregistered
    • Registered
  • Flat-Rate Fee-based Public Access
  • Differentiated-Rate Fee-based Public Access
  • Web (URL) Filtering
  • Spectrum Preservation
  • Public Safety
  • Video Surveillance
  • Mobile Government Users
service offerings cont
Service Offerings (cont.)
  • Virtual Private Network (VPN)
  • Voice over IP (VoIP)
  • Meter Reading
  • Government as Anchor Tenant
  • Dedicated Internet Access
free internet access unregistered
Free Internet Access (Unregistered)
  • Free Internet Access
  • Roaming capability of mesh networks allows for users to move between access points
  • A stationary device may seek out the best possible connection
free internet access registered
Free Internet Access (Registered)
  • Requires RADIUS server to authenticate users
  • Standards-based Authentication, Authorization, and Accounting (AAA)
  • Juniper Networks Steel Belted RADIUS server is deployed to ensure use by only registered users
flat rate fee based public access
Flat-Rate Fee-Based Public Access
  • New requirements emerge with fee-based access
    • Need special billing systems
      • Interact with network and allow access from customer service representatives
      • Limit user bandwidth to what they pay for
      • Need to be aware if users are active and have paid
    • Steel Belted RADIUS sets up Multiservice Edge Router
differentiated rate fee based public access
Differentiated-Rate Fee-based Public Access
  • Customers receive different charged for different levels of service
    • Users may pay for unlimited usage
    • Users may be limited to a peak information rate
    • Users may be limited to a certain number of bytes of download per day
    • Users may be guaranteed a minimum information rate or any of a number of QoS Parameters
  • It is possible a user’s payments are not current and need to be restricted from the network
web filtering
Web Filtering
  • Non-profits and municipalities restrict users from being able to reach certain sites
  • Use of a firewall
    • Blacklist
    • White-list
    • Sites are stored in database
wireless spectrum preservation
Wireless Spectrum Preservation
  • Each WAP has a limited amount of bandwidth
  • With the success of adding users, the network will become more constrained
  • Operators will place control on several types of users
    • Abusive users must be prevented from placing malicious traffic into the network
    • Worms and DoS attacks use up backhaul bandwidth
    • At-risk users
  • Intrusion Detection and Prevention firewalls
public safety
Public Safety
  • Public Safety communications have high standards to meet
    • These standards have risen over the last five years due to well-known failures of these networks
    • Police, fire, and rescue teams need be given higher priority than other traffic
    • Operators need to be able to control the access rate that devices send traffic onto the network
video surveillance
Video Surveillance
  • Presence of cameras can be a crime deterrent and storage of video helps ensure convictions
  • Video cameras can monitor traffic
  • Video at special events can be quickly arranged with a WiFi connection
  • QoS parameters must prioritize video data
  • Ability for operators to increase bandwidth to a certain camera to increase quality
mobile government users
Mobile Government Users
  • Spend significant amount of time traveling to locations throughout the municipality
    • Inspectors
    • Building Inspectors
    • DPW employees
  • Need security due to dealing with public trust data
  • Odyssey Client on user laptop for security
  • Steel-Belted RADIUS
voice over ip voip
Voice over IP (VoIP)
  • Two categories:
    • Calls conducted with the network and network operator’s knowledge
      • Skype
      • Vonage
    • Calls conducted without the network and network operator’s knowledge
meter reading
Meter Reading
  • Currently labor-intensive
  • Water and electric meters
  • Traffic monitoring
    • Speeding Tickets
    • Red light tickets
  • Handheld devices can transmit tickets, public safety inspection reports and other government forms
government as anchor tenant
Government as Anchor Tenant
  • Key to overall success of Municipal Wireless Network
  • Government is very large with significant telecom needs
  • Allows for fiscal security
dedicated internet access
Dedicated Internet Access
  • Bridging the digital divide
  • Serve the Small/Medium Business (SMB) Market
  • MSOs, telcos, and wireless ISPs are trying to expand customer base
  • SMBs only need firewalls and LANs
advanced network services
Advanced Network Services
  • Operators will want to introduce new, advanced services after initial deployment
  • Operators will want to sell these new services
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