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To: Sector Investor who wrote (13305)	5/7/1999 11:33:00 PM
From: Sector Investor	Read Replies (1) \| Respond to of 42804

Forwarding Engine As a forwarding decision determines not only the packet route, but frequently also its forwarding service level, both tasks are the most time-consuming operations that must be performed on routers and typically define the router's performance. The Aranea-1 forwarding engine is based on patent pending state-of-the-art technology. As every true brilliant technology the Aranea-1TM superior forwarding features are implemented using extremely simple and compact resources. Hundred of millions of packets per second (which can scale up) are achieved using distributed sophisticated search paradigms. Supporting IP multicast, IP multi-path and Aranea-Clusters, makes the Aranea-1 supports 256K IP subnets and a total of 200M searches per second. Each port has its own forwarding engine capable of up to 6.25M searches per second, supported on all subnets. Differentiated Services The Aranea-1TM provides a rich set of service tools, enabling both simple and sophisticated quality of service features to coexist. The system supports value-added service such as high priority transmission for business critical applications and managed LAN/legacy services. It provides levels of service that adequately correspond to different classes of traffic, including IP-based data, legacy data, voice and video. Virtual Private Networks (VPN) may be defined at various levels. A user-to-user VPN can be defined using the end-to-end flow or aggregated flow concepts. Higher level VPN's may be defined between remote ISP's using the aggregated-flow and the class concept. Finally, a physical line can emulate one or many leased lines through the path concept.

To: Sector Investor who wrote (13305)	5/7/1999 11:43:00 PM
From: Sector Investor	Read Replies (1) \| Respond to of 42804

Software Features Modular software architecture consisting of several execution modes for reliability and scalability: Industrial-strength routing protocols (RIP, OSPF, BGP-4, DVMRP, PIM and more). An extremely intelligent service-compiler enabling the user to set complex service requests and translating them into hardware data-structures. A sophisticated route-compiler generating compact and incremental forwarding entries using the Aranea Operating System routing table. A distributed Cluster-manager enabling the management of Aranea-1TM Clusters. Redundancy and Resiliency As an Internet backbone router core router the Aranea-1TM system provides no single-point-of-failure reliability with advanced self-test features engineered to require minimal management attention. The unique run-time self-test mechanism is capable of detecting hardware and software failures in real time with absolutely no penalty on performance. When a failure is detected, redundant hardware is activated through a hot-standby mechanism, while the system manager is informed. Every card in the Aranea-1TM system is hot swappable, enabling failed hardware to be replaced without the need to re-boot the system. The redundancy scheme also includes redundant switching fabric, redundant CPU boards, redundant communication circuits between the CPU's, and redundant cooling and power supply systems.