Packeteer gets wide with WAN accelerators
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Supports bigger data pipes, and laptops too Packeteer is extending its WAN acceleration range this week, with new systems at each end of the spectrum. The biggest is a box capable of optimising a 622 Mbit/s OC12 link, and aimed at linking primary and backup data centres. The other extreme is a software client for a desktop or laptop PC.â¦
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This paper looks at the evolution of firewall technology towards Deep Packet Inspection, and then discusses some of the security issues with this evolving technology.
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Continuing the thread on commoditization of scalable server software, the third installment. Yesterday, Matt Tucker from the OpenFire community, said: "I'm not sure that S3 magically kills off the scaling priests. It certainly makes it easy to turn on more storage resources, but writing an application to scale efficiently across multiple virtual machines is no easy task." To which I responded... It won't make scaling obsolete, but what it does do is commodify it. Right now I can't buy a Jabber server that scales without also hiring someone who will scale it for me. But in a few years I should be able to buy a Jabber server that, when it needs more CPUs, just asks for them all transparently to the user, the same way my word processor asks the OS for more memory today. I remember word processors that didn't do memory management, you got a 64K buffer and that's it. One document. When you filled it up, you started another. Technology will go forward and scaling won't be a black art, it'll be something built into the software you license.
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Rivals F5 Networks and Redline Networks are announcing new Web-enabled application delivery tools that are designed to accelerate data processing by shifting workloads off of servers.
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(InfoWorld) - Cisco Systems is stepping up to the plate in the highly competitive application acceleration game, banking on technology and a lot of end-to-end network expertise to set it apart from other players. The company will announce on Tuesday that it is beefing up the WAFS (Wide-Area File Services) software it introduced last year so it can speed up application transactions and file transfers. It is also adding compression and other techniques so application traffic wonât take up so much network bandwidth, said Mark Weiner, director of marketing for application solutions at Cisco. Also this week, the company is set to roll out WAAS (Wide-Area Application Services) software, as well as more powerful versions of its WAE (Wide-Area Application Engine) appliances on which to run it. There will also be a WAAS module for Ciscoâs Integrated Services Router. Wide-area bandwidth is expensive, and software overhead can slow down applications even on a fat pipe. Wide-area file services allow companies to speed up the performance of those applications by caching copies of files locally and then managing updates and changes. Cisco competes with companies such as Juniper, which purchased WAFS vendor Peribit, and Riverbed, an application acceleration startup that enhanced its software and appliances last week and is aiming to go public. Cisco is late to the game with some of its new technology, but it can offer peace of mind by making the products work smoothly with a Cisco infrastructure, said Eric Siegel, an analyst at Burton Group. Pairing up Cisco gear worked well for the city of Fort Wayne, Ind., which wants to use WAAS to speed up communication with some of its fire stations, said CIO Clifford Clarke. WAAS seems to have performed better with Fort Wayneâs Cisco network than did other vendorsâ products, he said. Harold Hamm, vice president of IT at architecture firm Reynolds, Smith and Hills, said he couldnât buy the kind of WAN bandwidth heâd need to match his test results with the new gear. âOnce a big file gets cached on a local server, itâs like working on a LAN,â he said.
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Linux Networx has developed a clustered storage appliance which is able to pool capacity from separate storage devices into a single high-capacity resource.
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The Nevada Corrections Department is using WAN accelerator technology to speed the satellite-based network that links its 24 mostly remote prison facilities.
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Mike Wallner has thrown together some stats for the latest edition of the pecl/http package to test its response performance.   The results surprised me, because it clearly shows that the performance drop for starting the PHP engine and doing the neccessary negotiation to provide caching is not that bad.   There's a chart of the results as well as a full PDF with all of the stats the graph maps out. He includes the legend to make the graph easier to understand.
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With the price of disk storage plummeting, the storage capacity administrators find themselves managing is set to explode. But, the simple introduction of network block virtualization permits the use of underutilized storage management technologies such as mirroring, snapshots and replication on a much broader scale.
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AMD Opteron servers prove more power-efficient than Xeon-powered servers in tests.
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The new NAND chip design will increase throughput up to 5X
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Bivio Networks, the leader in high-speed network appliance platforms for  deep packet processing applications, today announced three new partner  application acceleration modules for its B2000 and B508 network  appliance platforms.
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Among the âpretty sweet new featuresâ that distinguish Xsan 2, Chris Foresman  points to the new MultiSAN feature, which âgives simultaneous access to multiple volumes that are hosted by separate controllers.â Xsan 2 âalso allows file copies from one SAN volume to another directly over FibreChannel for a significant speed boost.â In addition, Foresman points to the redesigned admin tools that simplify setup and to Xsan 2âs tighter integration with Open Directory, Mac OS X Leopard, and Server Assistant on Leopard server.
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3Com is releasing new Asterisk VoIP and WAN acceleration/optimization applications for its multiservice routers.
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Throughput improvements to 200 kilobits per second (up from between 70 kbps and 135 kbps) noted by multiple users.
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This paper discusses the use of NetFlow, a traffic profile monitoring technology available on many routers, for use in the early detection of worms, spammers, and other abnormal network activity in large enterprise networks and service providers.
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Single Packet Authorization fills the gaps in port knocking.