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Introduction
TUT Systems, Inc Page 14 of 104 P/N 220-06288-20
SMS2000
The SMS2000 consists of hardware and embedded software generally placed on a
property to control public network access. The SMS2000 handles packet switching
functions, traffic shaping, and address translations for a single property. The SMS2000
has a very small internal configuration database and stores no permanent data about
users, policies, or billing information. However, it can conduct “machine authentication”
using groups and rules including the MAC address, location (with SNMP or VLAN ID),
and/or IP address of the subscriber.
• The SMS2000 hardware and embedded software perform the following functions:
• Physically connects via two 10/100Base-T ports to the subscriber network and
the Internet.
• Routes IP unicast and multicast traffic.
• Optionally translates addresses of IP packets between the network and clients.
• Monitors and controls the bandwidth utilization for each client.
• Authenticates and authorizes clients (with RADIUS or through OCS).
• Directs Web requests to a service provider-specified Web server.
• Connects to a local Property Management System (PMS) via asynchronous
serial interface.
OCS
The OCS software runs on either a Microsoft Windows 2000 Server or on a Linux server.
It handles authorization, authentication, accounting, provisioning, and billing for up to
300 SMS2000s simultaneously.
OCS is normally deployed in a service provider’s data center, although it can be placed
directly on a property. OCS can be configured and managed entirely from any location
through its advanced HTML interface using any browser.
OCS is implemented as a Web server running active PHP 4 pages. Microsoft SQL
Standard or MySQL Win32 is used as the back-end database on Microsoft Windows
2000. PostgreSQL is used as the back-end database on Linux.
The Linux based solution requires no additional software licenses.
The Windows based solution requires that the system administrator obtain a copy of
Microsoft Windows 2000 Server as well as a copy of MS SQL Server. If MySQL Win32
is used on a Microsoft Windows operating system, no additional licensing is required for
the MySQL database.
The SMS2000 and OCS communicate using an HTML-based protocol. OCS can “push”
policy information about an entire network configuration, telling the SMS2000 how to
handle addressing and bandwidth management for a particular property, and how to
provide individual policy for subscribers as they gain access to the network. These
methods correspond to the evolving IETF standards for policy-based networks known as