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IPv6 – Considering IPv6?

If you’re planning to deploy IPv6 in your organization, you need to consider quite a few factors. Here are some questions to think about:

  •   What is the absolute number of IPv4 addresses currently available?
    •   Also in percentage
  •   What is the absolute number of IPv4 addresses currently in use?
    •   Also in percentage
  • What is the number of IPv4 addresses required in the future?
  • Requirements for IPv6?
    • Equipment
    • Translation, tunneling
    • Training
    • ISP readiness/allocation/IPv4 &v6 coexistence
      • Are they going to use AddressPlusPort mapping or multilayer NAT to prolong IPv4?
      •  Are they going with dual-stack backbone or on an IPv6 backbone with IPv4 support?
      • 6to4 Relay? Teredo servers? Tunnel brokers?
      • What about ADSL services?
      • Security/”Local Network Protection” of IPv6
      • Multicast Support?
    • Cost
  • Applications
    • Does the application have dual-stack connectivity?
      • Are they properly documented?
    • Do our intermediary services support dual-stack? (SMTP, IMAP, Webmail, HTTP Proxies, etc.)
    • IPAM, IDS, etc.
  • Hardware
    • Do all our equipment support IPv6?
      • Routers, Firewalls, VPNs, Proxies, Gateways (CAG, AG, etc)
      • Firewalls, even where they support IPv6, customer-side firewalls and routers need to operate at 25-100 Mbps
    • CPE’s owned by ISP support IPv6?
    • Switches?
      • L2, L3, SAN, etc.
  • Network
    • What are all the networking features currently in use?
      • Are they supported by IPv6?
    • What routing protocols do we use?
      • Do they support IPv6?
    • Multicast and QoS Design and Requirement?
      • Do they support IPv6?
    • NAT requirement?
    • Network Security – TACACS, Radius, RSA?
      • Do they support IPv6?
    • Network Management – Syslog, Netflow, SNMP, etc.
      • Do they support IPv6?
    • Mobile – Blackberry, iPhone, iPad, etc.
      • Do they support IPv6?
    • Wireless
      • Does it support IPv6?
    • VoIP
      • Does it support IPv6?
  • Microwave WAN, etc?

 

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