Benefits for Fibre Channel (FC) SANs
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(Source: Network Appliance) SANs offer a range of benefits such as improved backup and restore, enhanced business continuance and simplified consolidation that address the needs of todays data-intensive businesses. Network Appliance SAN solutions provide the highest productivity of people and the highest utilization of assets.
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By Hochmuth, Phil; Duffy, Jim  Simpler site-to-site VPNs, higher WAN performance and other features are on tap.
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Internet Security Systems' intrusion prevention software on Crossbeam Systems security switches.
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It takes a little control The best way to get reliable performance out of a wide area network (WAN) is to install your own high-speed gigabit fibre optic cables between all the locations in your organisation. This could provide seemingly unlimited bandwidth for your employees to use the applications they like and not have to think twice about the volume of content they send around the network.â¦
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(Source: Computerworld)  When it comes to storage systems, small and medium-sized businesses have had their share of challenges. Even when some storage vendors have tried to address the unique needs of the SMBs, it has been with underpowered versions of their enterprise-class products. The advent of unified network storage, exemplified by the DellTM PowerVaultTM NX1950, has dramatically altered the SMB landscape by combining iSCSI and NAS capabilities in a single, highly functional package that delivers simplified management and enhanced scalability at a cost-efficient price point.
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iSCSI seems to be the hardest word... The Storage Network Industry Association (SNIA) says it will put more effort into promoting IP-based storage area networks, or SANs. That means iSCSI, although you might not realise it from reading the trade group's statements on the topic.â¦
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Ditches Fibre for price point NetApp is launching a smaller iSCSI storage box for its StoreVault line.â¦
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InfoWorld - Researchers from Siemens have successfully tested technology that not only increases the speed of passive optical broadband connections to the home or office but also the radius of coverage.
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Two new products are designed to make it easier for businesses to connect storage computers across long distances.
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Virtualised SAN and NAS bid for your storage grid
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(InfoWorld) - Researchers from Siemens have successfully tested technology that not only increases the speed of passive optical broadband connections to the home or office but also the radius of coverage. The team of researchers, sponsored by the European Union, achieved downstream transmission rate of 10Gbps and upstream speed of 2.5Gbps over a passive optical access network, Siemens said Monday. By comparison, current gigabit passive optical network (GPON) technology supports downstream data rates of 2.5G bps and upstream rates of 1.2G bps. In addition, the researchers were able to extend the distance between the hub and subscribers, the equivalent of the "local loop" in copper networks, from 20 kilometers to 100 kilometers. The number of subscriber lines per splitter, where the optical signal is divided up to serve more destinations, was also expanded from 64 to 512. Numerous operators are keen to deploy high-speed broadband access systems that offer far greater speed than DSL (Digital Subscriber Line) technology, which uses existing copper twisted pairs to provide data rates of up to 50Mbps, Siemens said. Services such as VOD (video-on-demand) and HDTV (high-definition TV) perform best when delivered over fiber-optic subscriber lines. At the same, new GPON systems eliminate the need for aggregation devices commonly used to collect and distribute data traffic locally. In the future, operators will be able to connect subscribers directly to the core network, Siemens said. Earlier this year, Siemens researchers achieved a transmission speed of 107Gbps over a single optical fiber. The speed, which the company claimsÂ sets a recordÂ for electrical processing of data through a fiber-optic cable, was reached over a 100-mile route. Siemens has developed a new transmission and receiving system that is able to process data directly before and after its conversion into optical signals using electrical processing only. Current systems handling very high data rates have to split signals into multiple lower data-rate signals and later reconvert them from optical to electrical, a process that adds to costs and reduces network capacity. Â
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(InfoWorld) - KAMAKURA, Japan -- Mitsubishi ElectricÂ has developed a prototype encryption device that can handle IPsec v2 on 10Gbps Ethernet. The encryption and decryption units are developments on the company's existing hardware for Gigabit Ethernet and were demonstrated here at Mitsubishi Electric's research and development center. The company has managed to increase the amount of data that can be processed each second by expanding parallel encryption of data packets inside the device, said Shinobu Ushirozawa manager of the network security architecture team at Mitsubishi Electric's network security technology department. This was the bottleneck preventing faster speeds, but with 50 parallel data processing units 10Gbps Ethernet is supported. Four encryption algorithms -- AES, Camellia, MISTY and 3DES -- can be handled by the device and two authentication algorithms -- SHA1 and 256-bit SHA2 -- are ready, said Ushirozawa. Mitsubishi Electric has already begun promoting the unit to customers in some industries and is working on an even faster model for 100Gbps networks. Such a device could be available next year, Ushirozawa said. Also on Thursday the company said it has developed four integrated circuits necessary for 10Gbps fiber-to-the-home networks. Currently broadband Internet connections in Japan use 1Gbps access lines that are typically shared between a handful of houses or apartments but carriers are already looking ahead to a next generation service that increases speeds ten-fold. To realize such networks the development of several low-cost components is necessary. Among these are the four chips that Mitsubishi Electric showed as samples. There still remains a number of devices to be realized including new lasers and diodes for both the optical line transmission unit used by the carrier and the optical network unit in the consumer's home. Mitsubishi Electric engineers estimate developments over the next few years will lead to commercialization of 10Gbps fiber-to-the-home in Japan around 2010.
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Optical fiber can deliver data fast, sometimes too fast. Slowing light might make some networking bottlenecks vanish.
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OTTAWA, June 13  /PRNewswire/ -- BTI Photonic Systems, a global supplier of microWDM networking solutions for the build-out of new high-speed broadband networks, today announced that Cogeco Cable has implemented its technology to support the roll out of new high-bandwidth services in Quebec.
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Two years ago, Bob Frankston wrote Why Settle for Just 1%? while in the midst of his ramp-up as a Verizon FiOS customer. The question is still on the table. I'd like us to help answer it by re-phrasing the question: What could we, as Linux developers and users, do with fiber to our homes and businesses?
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ISPs (but not big telcos) to offer bandwidth filtering
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(Source: Lefthand Networks)  This white paper details the true cost of storage and server sprawl, proven approaches to virtualizing servers and storage, and how to maximize ROI using virtual machines on iSCSI SANs.