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Introduction
TUT Systems, Inc Page 11 of 104 P/N 220-06288-20
Chapter1 - Introduction
Tut Systems’ Expresso Subscriber Management System (SMS2000)and Operation
Center Software (OCS) offer a complete solution for delivering and controlling Internet
Protocol (IP) based services to subscribers. The SMS2000 delivers powerful subscriber
management features to service providers.
The SMS2000 allows almost any type of in-building network infrastructure to be
transformed into a robust public network, dramatically reducing configuration
headaches, minimizing undesirable interactions between subscribers, and allowing the
service provider to deliver a flexible suite of IP services over a common infrastructure.
Authentication, authorization, accounting, provisioning, and a wide range of billing
options complete the package, which allows service providers to get subscribers up and
running quickly.
Subscriber Management Features
The features supported by Tut Systems’ Expresso Subscriber Management System
are briefly described below:
• Plug-and-play networking—Clients that are misconfigured or have
configurations from other networks can connect to the SMS2000 without any
reconfiguration of IP address, netmask, or gateway address required. That means,
for example, laptops hooked up in hotel rooms by guests need not be reconfigured
prior to use.
• Firewall protection—Clients attached to the SMS2000 can be protected from
many types of Internet hacking by making them invisible from the outside using
Network Address Translation (NAT).
• Authentication, authorization, accounting—Using the SMS2000 with traditional
RADIUS servers or Tut Systems’ included OCS server software, service providers are
able to authenticate individual users, authorize particular services, and track usage.
• Provisioning and billing—OCS adds a number of functions that allow simple
provisioning by the service provider or the subscriber. Billing can be applied to credit
cards or to hospitality PMS interfaces for direct room billing on a guest’s folio.
• Bandwidth management—Each individual client can have a separate maximum
bandwidth allowance as part of the “user policies.”
• IP address management—Individual clients can use one of the following:
— A fixed (static) IP address suitable for operating servers visible to the Internet.
— DHCP to retrieve an IP address suitable for using protocols unfriendly to NAT.
— An invisible shared address through the use of NAT.
— IP type 1 to 1 for subscriber accountability with plug and play networking.
— IP type 1 to 1 unique for maximum subscriber accountability with plug and play
networking.