Case Study 4: VPN Services
Requirements: The DSL SP is wholesaling the services to different ISPs and offering VPN services to corporations. In addition, the DSL SP has its own ISP that retails their services to customers. The retail business is currently selling only high-speed Internet access to residential consumers but wants to offer some value-add services to the current offerings and also wants to sell to small-to-medium businesses (SMBs).
Most of the requirements remain the same as mentioned in Case Study 2 and Case Study 3 except for the following modifications:
The DSL SP is not fixed on using only PPP-L2TP architecture and is willing to change its architecture if a more scalable approach is available and can still maintain some of ...
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