How to choose a RD and RT scheme

• Scheme for RT is more sophisticated

• Would be nice if a RT contains some information about

  • the customer VPN
  • the service VPN

• 32 bit number means 9 digits

• <own ASN>:ɛ digit service ID>ɞ digit customer ID>

  • Customer ID is just a number representing a customer (don’t forget leading 0s)
  • Service ID represents a generic service
    100 NMS access
    200 Full Mesh VPN
    202 Hub/Spoke VPN
    300 Internet Access
    302 Managed Firewall
    400 ExtraNet

• even/odd numbers allows Hub/Spoke numbering

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