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 SmartAPnGTM Technical Note

SmartAPnGTM (Access Point Next Generation) is a software reference design on Intel's IXP425 reference board. It is a single-box glue solution for the segregated Wired and Wireless LAN on a Customer Small office / Home Network.
The essence of the reference design is to seamlessly use the Network Processor engines of the IXP425 to realize line-rate bridging/forwarding performance combined with Wireless LAN connectivity.

On the LAN interface, SmartAPnGTM provides
:
Wired 10/100 Ethernet
Wireless LAN confirming to IEEE 802.11a, 802.11b and 802.11g standards for LAN connectivity at frequency rate of 2.4 GHz and 5 GHz


On the WAN interface the following interfaces are possible:
T1 / E1
ADSL
PSTN/Voice
10/100 Ethernet

Data Rates:
SmartAPnGTM provides flexible data rates to the WLAN end stations ranging from 1Mbps - 54 Mbps confirming to IEEE 802.11a, 802.11b and 802.11g standards.
On the Wired interface SmartAPnGTM is capable of providing bandwidth upto100 Mbps. Line rate bridging and forwarding is achieved on a wired 10/100 Ethernet interface.
On the WAN interface, bandwidth can range from 1.54 Mbps to 100 Mbps depending on the interface deployed.


Key features:

Access-Point: This feature provides a central connection point for all WLAN end stations at a customer premises network. This feature is supplemented by Access Control list and various other Authentication mechanisms like IEEE 802.1x where the access policies could be defined by an network administrator preventing un-authorized users to get connected to the customer network.
Secured LAN Connectivity: A secured data channel is provided for the WLAN end stations to communicate with "SmartAPnGTM". This ensures privacy across Access Point to End station communication preventing hackers intercepting the customer data.
Wireless Relay: This feature enables the end stations connected to "SmartAPnGTM" on a WLAN interface to communicate to other end stations connected to other Access points of the customer network. This feature is deployed in Campus networks to interconnect the WLAN stations geographically segregated across buildings / departments.
Roaming: Ability of "SmartAPnGTM" to communicate to other Access points enables the end stations to remain connected to the network when roaming between Access Points. This feature is deployed in Campus networks to provide un-interrupted connectivity to the WLAN stations when mobile across the buildings / apartments.
Remote Authentication: This feature enables "SmartAPnGTM" to provide connectivity for external WLAN users moving into "SmartAPnGTM" administered network. "SmartAPnGTM" when deployed in hot spots could effectively uses this feature to authenticate and authorize external users getting in to the network.
Wired - Wireless Bridge: This feature widens the LAN connectivity from wired to wireless and provide transparent LAN communication for end stations across Wired and Wireless LAN.
Shared Internet Connectivity: This feature enables the customer network end stations to share a global identity (IP Address) in communicating with the Internet.
Firewall: The Stateful Packet filtering feature secures the Customer network from external Intrusions and provides security from Spoofing, Ping of Death, Denial Of Service attacks and so on. This also includes connection tracking based on Transport protocols TCP/UDP and application protocols like FTP, HTTP and so on
Tunnel Pass Through: Ability to understand various tunneling implementations allow end stations to themselves create and communicate on secured Tunnels. This feature when deployed in Coffee shops and Hot spots enables the users connected to "SmartAPnGTM" to securely communicate to their peer spread across the Internet.
VPN: This feature aims to simulate private network connectivity between the geographically segregated customer networks. This feature when deployed in SOHO environments provides secured connectivity across the customer network spread over the Un-trusted Internet Globe.
Next Generation Internet Access: Ability of "SmartAPnGTM" to support IPv6 suite provides the end stations a means to access Next generation Internet.
Bandwidth Control: This feature is to provide the customer with a flexibility to define the network access to the end stations connected on the customer network. This feature enables the Administrator to define bandwidth allocation policies for the end stations on the Wired as well as the Wireless LAN.
Billing per User: This feature is more applicable for the coffee shop kind of deployments where in the amount of access to network needs to be counted for. This feature enables the network administrator to adopt "Pay per Use" policy where the end user would be billed based on the amount of Internet usage.
Easy Administration: A user friendly Interface is provided to ease the configurations to be carried out by the "SmartAPnGTM" Administrator. Both SNMPv2 as well as CLI interface is provided for user convenience. A Web Based interface is also provided to facilitate remote configuration of the product.
Voice Gateway: The ability of "SmartAPnGTM" to support Voice signaling stacks would enable the customer to deploy this product as a Media Gateway.

"SmartAPnGTM" supplements the above listed features with a very high performance in terms of Data Forwarding rate, Number of WLAN end stations supported, Number of VPN tunnels supported and so on which makes it unique in the Market.

"SmartAPnGTM" achieves a very high performance by deploying Industries Leading CPE Network Processor based on Intel® XScale™ technology, the IXP425



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