Noticias del Sector
20081020

You cant have too much of storage space. Every PC or notebook user is going to tell you that. And while in a desktop PC you can increase the amount of storage by replacing your HDD with one that has a larger capacity or by adding one more HDD into your system, you can only go the former way with your notebook or small form-factor PC. Of course, you can use external HDDs with USB, FireWire or eSATA interfaces but they usually prove to be slower than HDDs connected directly to the mainboard via the already widespread SATA interface. Mobile HDDs may also prove unhandy as they mean one more device with additional weight and volume you have to deal with. Thats why it was 2. 5 HDDs that became the first drives to use perpendicular recording technology. You can refer to one of our earlier reviews for reasons why the manufacturers had to change the direction of recording (and also the material of the platters, the heads, and the electronics), see our article called Seagate Momentus 5400. 3 160GB Hard Disk Drive with Perpendicular Recording Technology. The new technology

OTTAWA Nortel* [NYSE/TSX: NT ] and LG Electronics ** have taken LTE from the labs to the streets to complete the worlds first mobile LTE live air handover. Engineers at Nortels Research and Development Centre of Excellence in Ottawa showed streaming HD video on an early LTE mobile device from LG Electronics while driving at speeds of 100 kms per hour and moving between coverage sites. This advancement shows the capabilities of Nortels LTE solution in real world conditions and brings it closer to commercial readiness, which is expected by the end of 2009. The milestone announced today shows that Nortels LTE solution can provide the reliable mobile coverage that todays 2G and 3G network users depend on while offering much greater bandwidth, higher capacity and lower latency. Wireless networks provide pervasive coverage, keeping users connected as they move between coverage areas by handing connections over from one transmitter site to the next. Nortels LTE live air handover demonstrated this important capability. LTE helps bridge the gap between network demand and capability allowing operators to create a 4G wireless broadband network that can cover millions of mobile subscribers. Nortel continues to innovate in wireless technologies like LTE, leading the way to the next generation of true mobile broadband to support the demands of hyperconnected users, said Richard Lowe , president of carrier networks, Nortel. Todays telecommunications market is experiencing a massive trend towards Hyperconnectivity as more people and devices become connected. With the increasing popularity of bandwidth-intensive applications over mobile devices like laptops and smartphones, wireless operators need to prepare to offer a complete personal broadband experience. Operators can leverage the capabilities of LTE to allow subscribers to take their personalized versions of the web their videos, their social networks, their music, their business tools with them wherever they are, Lowe said. Mature telecommunications markets can also maximize the content-rich applications and services enabled by LTE to drive new revenue. To learn more about Nortels LTE development strategy listen to this podcast with Danny Locklear, Nortels vice president of marketing for carrier networks. Nortel, the LG-Nortel JV, and LG Electronics are accelerating the commercialization of LTE and showing consistent progress towards end-to-end interoperability to ensure alignment between infrastructure and devices, said Jinsung Choi, head of LG Electronics Mobile Communications Tech Research Lab. During our three years of collaboration we have set the bar for innovation in LTE, showing the world how true mobile broadband can bring us the highest quality communi ...

Los festivales de cine hacen hueco a los vídeos. Las telefónicas organizan sus concursos de películas con el móvil. En las cadenas de televisión, animan al espectador a enviar los vídeos con las gracietas de los nietos. En YouTube cada día se colocan 100. 000 vídeos. Si algo pasa en el mundo, está filmado. Filmar es algo tan sencillo y tan personal que se puede hacer en cualquier circunstancia, con la cámara de fotos, con el teléfono y, por supuesto, con las videocámaras, la primera herramienta de los futuros cineastas. Gracias a la conexión a Internet, estos vídeos se rebotan por los móviles o por los ordenadores; a veces son bromas, a veces películas pirateadas en los cines o conciertos de música, pero otras veces son vídeos educativos, una forma de aprendizaje que antes sólo se transmitía por la escritura, la lectura, luego por el audio y ahora por la imagen. Carreras universitarias, estudios de idiomas, el mismo bricolaje, no se entienden sin el vídeo adjunto. Y el ocio tampoco. Gracias a la era digital, la videocámara se ha aligerado, ocupa casi como un teléfono y su precio tampoco es un escándalo. Si sólo se quiere colgar vídeos en YouTube, hay cámaras por 100 euros más que aceptables para ese menester. Hace escasamente un año y medio que irrumpieron en el mercado las videocámaras digitales de alta definición, robustas, compactas y con una calidad de imagen irreprochable. Son cámaras capaces de dar el pego en la gran pantalla del cine y así está ocurriendo. Los modelos de alta definición representan ya en España el 8% de las ventas de videocámaras, y sólo es el comienzo. La caída generalizada de precios y ventas globales hará que la transición de las videocámaras de definición estándar a las de alta definición se acelere y es previsible que a finales de 2010 estas últimas sean mayoritarias. Proceso de cambiosEl sector de videocámaras se encuentra en pleno proceso de cambio tecnológico, de la definición estándar a la alta definición y de la grabación en cinta y DVD al disco duro y memoria flash. La oferta es así extraordinariamente amplia y cambiante, con un punto en común: los precios van a la baja en todas las categorías, alrededor del 20% anual. Las ventas de videocámaras han rondado el medio millón de unidades en los últimos años en España. Es un mercado cinco veces más pequeño que el de cámaras digitales, aunque también es más estable. Cada año se mejora algún aspecto, sea el tamaño, la resolución, la rapidez de puesta en marcha o el sistema de grabación, con la introducción del DVD, el disco duro o últimamente las tarjetas de memoria y la memoria interna frente a la tradicional cinta, que aún subsiste. La llegada de la alta definición lo ha puesto todo patas arriba y la crisis económica es clave para que todo cambie más deprisa. El reto de los fabricantes de videocámaras es el desconocimiento de la grabación en alta definición. Tampoco es extraño, porque hace un año lo común en alta definición era hablar de 720 líneas, sensores CCD y grabación en cinta o DVD. Ahora, las 1. 080 líneas se han generalizado, los sensores CMOS tienen más ventajas y el disco duro y las memorias de estado sólido están a la orden del día cuando se habla de alta definición. La confusión también es considerable en las videocámaras de definición estándar porque hay múltiples alternativas sin una distinc ...

If there is truly a gray zone in the struggle between online good and evil, anonymous proxy servers live there. Organizations typically use proxy servers to forward website, file and other requests to other servers. Anonymous proxy servers are meant to hide the identity of the requestor. Some security experts say the latter is only necessary if someone wants to mask malicious activity, including Sunil James, senior product manager at Amazon Web Services and formerly director of vulnerability research at iDEFENSE Inc. As a security person my natural first instinct is to ask why someone needs to be anonymous if they are doing something legitimate, he said. I just dont see a viable use for anonymous proxy servers in corporate environments. Others say certain kinds of security research and testing make them a necessity and that they are perfectly safe if used responsibly. In an effort to reach a consensus on the issue, CSOonline polled several industry professionals by phone, e-mail and networking sites like LinkedIn. Surprisingly, most respondents defended the use of anonymous proxy servers and offered a litany of legitimate-use examples. But everyone admits they can easily be used for malicious purposes and that organizations need to respond with the right security procedures. From a security perspective, hiding your true location behind a proxy definitely falls in the gray area of Web browsing, says Ed Ziots, a Rhode Island-based network engineer. I use them to view questionable content from semi-trusted systems because I do not want the site to know the true origin of my communications when I am researching the latest exploits, exploit code, or new and up-and-coming trends in exploit research. But he can imagine a more sinister scenario where the bad guy uses multiple anonymous proxies so victims cant determine where his attack sequences are coming from. Spying (or blocking) competitors Anonymous proxy servers are often used to spy on competitors or block their efforts to do the same to another competitor, says Chris Kraft, VP of product management for web security for security vendor Sophos. This tends to be used for competitive purposes in which a website operator can identify the IP range of competitors and prevent them from viewing the companys assets, Kraft says. It can be used to gather intelligence on your competitors, and the competitors in turn can use anonymous proxies to block your activities. During his time as the CISO of a Fortune 100 company, security consultant Larry Glassman received a request from the sales and marketing department to establish an anonymous proxy server so the marketing department could perform competitive market analysis against a competitor in the space. This was i ...

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