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LightSand® introduces new SONET/SDH Multi-service SAN Gateways for SMBThe S-8100 series provides FC, FICON and GbE Layer 2 extension over SONET/SDH, DWDM and dedicated fiber at speeds ranging from 155 Mb/s to 622 Mb/s Milpitas, CA, August 26, 2005 - LightSand, a leading provider of storage connectivity products, has announced the S-8100 SAN Gateway series for small-to-medium-sized businesses. These new gateways support interconnection of Fibre Channel and FICON storage systems over existing fiber-optic infrastructure, across a campus, metropolitan are or nation wide. “Organizations of all sizes are recognizing the need to establish effective business continuity and disaster recovery programs,” said LightSand CEO Richard Czech. “We developed the S-8100 series in order to enable organizations with smaller bandwidth capacity to implement cost-effective, high-performance solutions for these critical functions. Our new gateway operates over SONET OC-3/OC-12 or SDH STM-1/STM4 circuits, providing guaranteed performance and minimal, predictable latency.” The LightSand S-8100B 8-port SAN extension gateway is especially suited for use in a data center infrastructure. It provides up to seven Fibre Channel and Layer 2 Ethernet interfaces for local network connections, and up to four SONET/SDH wide area extension interfaces with configurable bandwidths. The S-8100B also provides transparent bridging for geographically distributed SANs over SONET/SDH networks, for applications that include data replicatio n and migration, disaster recovery, remote access, business continuity and asset management. The S-8100B’s unique Trunking mechanism allows connection of up to seven concurrently operating SAN fabrics over a single wide area connection. The S-8100B can also be configured for redundant WAN connections, allowing load balancing and failover protection. The S-8100B supports SAN extension for campus, metro, regional, or national distances. The LightSand S-8100A, a sophisticated 8-port switching gateway, features local data switching, SAN-to-SAN isolation (routing between FC fabrics) and up to four SONET/SDH extension tunnels for connecting remote sites in the same box. The S-8100A brings scalability, isolation, and wide area connectivity to FC networks. When two SANs are merged using a traditional connection over the WAN, the two FC fabrics will become one. This approach, which might be adequate in a small local environment, can lead to scalability and management problems when multiple remote sites and a greater number of FC switches participate in the fabric. The LightSand S-8100A allows multiple SAN fabrics to be interconnected without merging the fabrics. Storage devices can be shared between sites, while the SAN fabrics operate independently. The S -8100A’s ability to interconnect multiple SANs of FC switches from different vendors makes this gateway indispensable for a flexible data center solution. The LightSand S-8100F allows interconnection of FICON devices in a mainframe environment, and transfer of Ethernet metadata directly over existing WAN infrastructure. No longer are expensive FICON directors necessary to provide FICON extension over the WAN. The S-8100F overcomes standard FICON distance limitations. In addition, its unique Trunking mechanism allows the use of a single WAN connection for maintaining up to seven FICON channels. When multiple SONET/SDH interfaces are installed, each FICON input can be directed through a separate WAN interface, providing optimal data traffic distribution. The S-8100B, S-8100A and S-8100F support connections over dark fiber (up to 80km), metropolitan CWDM or DWDM lambda, and SONET/SDH networks using OC-3/STM-1 or OC-12/STM-4 lines (up to 40,000km).
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