Category Archives: News

Lifesize Develop Video Conferencing App For IOS

Although video calling on the smartphone has been in existence for many years already, the usability has been somewhat limited due to the functionality capabilities of the phones; two of these limitations being the poor hardware and the unreliable internet connections. Improvements in video calling technology means that today we can make high quality video calls from our smartphones. Vast improvements in the hardware have also led to a much better quality of video call. Advances such as the Apple 4S provide the support for enterprise video conferencing software. The latest iPhone models can also support high definition (HD) mobile video conferencing.

The division of Logitech named Lifesize® have announced that its latest video conferencing system can support the iOS 5. This is excellent news for iPhone users as they can use video conferencing on the go. This application is called Lifesize® ClearSea™. This system is interoperable between multiple devices – any video collaboration system that is standards-based can be connected to in a matter of seconds. The server for ClearSea™ can be either virtual machine software or a physical device. Its high definition desktop client works for PC and Mac and the Android and iOS smartphone devices.

Here is just a selection of features that the new ClearSea™ system possesses:-

  1. High definition 1080p natural video with full-motion flow.
  2. Support for Mac OS X and Windows PC’s.
  3. Support for iOS smartphones and Android operating systems.
  4. Can interact with most video sharing supported devices.
  5. Flexible server due to the fact it comes as virtual machine software or as a physical device.
  6. You can connect up to 26 participants in any one call.
  7. With automatic NAT / firewalls inbuilt, your system is fully secure.
  8. Highly effective collaboration tools. With H.239 presentation, real time data sharing is easy. It supports multi-party calling and embedded video function for up to 3 parties. The recording function allows the user to go over the video call at a later date and export the video.

The iOS 5 from Apple allows high quality video conference calling even in HD. The ClearSea™ function allows for the HD video conference calling on those who have upgraded their operating system.  The key features of this application are totally compatible with the iOS 5.

LifeSize® is now the only merchant in the enterprise video conferencing arena that can offer fully interoperable video calling from the meeting room to the PC and Mac as well as to iOS 5 and a large variety of other smartphones and tablets. LifeSize® ClearSea enables the iPhone 4s to become a send-and-receive capable video conference device supporting HD video, as well as crystal-clear audio.

With Lifesize’s acquisition of Miral, it is the only remaining supplier of fully interoperable video conferencing systems. The arrival of the new Apple iOS 5 brought back the belief and confidence that high quality mobile video conferencing was possible. This is only possible through Apple due to the highly advanced technology that has been displayed through its products.

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Latest Version Of Linux 3.1′s Features And Highlights

New features included in the kernel Linux 3.1, include OpenRISC opensource CPU support, various improvements allocateur of slab, improvements lazy writer bottlenecks, new implementation iSCSI, chips near field Communication and command support Wii.
Kernel Linux 3.1 provides better power management via the new cpupowerutils user space utility, the EXT3 file system gets the filesystem barriers activated by default, and many drivers have been added and updated.
While there was no announcement from Linus Torvalds, we can tell you that the new Linux 3.1 kernel improvements for chips Intel Ivy Bridge, Cedar Trail improvements GMA500 support and much more.

On the upcoming release of Linux 3.1 Darrick Wong of the IBM core has proposed changing the logo familiar to the solo-Tux to something more, well, befitting the version number

Linux Kernel 3.1  new features
· New architecture: OpenRISC;
· Dynamic writeback limitation;
· Barriers of EXT3 by default enabled file system;
· Support for near-field Communication;
· Allocateur slab accelerations;
· VFS scalability improvements;
· New implementation iSCSI.
· New cpupowerutils utility;
· Software RAID: management of Bad block;
· Personality for version 2.6.x report numbers;
· Support of command Wii.
· Many new pilots;
· Many fixes bugs and improvements.


In Linux 3.1, the new-DRM/KMS driver for example will be able to generate a firmware “fuc” for Fermi graphics chips. Firmware enables the kernel use various GPU Fermi graphics of last two series chip GeForce 3D, 400 and 500. The wiki says that this functionality will probably work on chips of NVC0, NVC4 and NVCE which are incorporated in the models of GeForce GTX with these numbers 460, 465, 470, 470 M, 480, 480 M or 560. Several other models with the Fermi GPUS have experienced problems. Some are still not tested or are known to work with the original firmware, which can be obtained via the proprietary NVIDIA drivers and some rather heavy tips.
The developers of the Intel DRM/KMS driver intended to enable the functionality of “RC6″ by default; RC6 is a power save mechanism that is available with most processors and chipsets Intel introduced in the last two years (as the Core with integrated graphics processor). However, kernel hacker soon is the amendment to allow default of RC6, as technology caused system to user problems. It works very well with many portable computers, where it can sometimes reduce the energy consumption of the system a slowdown by 6 watts. This can considerably extend the life of the battery of a computer; less development of heat means also that the fan will operate less frequently or loudly. On some portable computers with compatible hardware RC6, may therefore be useful to enable and test functionality – to this end, add “i915_enable_rc6 = 1″ parameter when loading the i915 module, or call the kernel with the parameter “i915″. i915_enable_rc6 = 1 “.”

In detail

This article provides an overview of the most important changes of Linux version 3.1. More detailed information in the Logs of the nucleus of the Minie “Come 3.1″, can be found out of the series in recent weeks on the h open, which form the basis of this article.
Part 1: networking
Part 2: File and storage systems
Part 3: Architecture, infrastructure and virtualization
Part 4: drivers
You will find in these articles, the source of the more detailed articles covering the important changes in each region. There is also the “Minor Gems” section that lists many other changes not mentioned in the main article, but for many users, who are still of great importance.


The kernel developers have added rtl8192de (for example 1) driver that supports the Realtek RTL8192DE and chip RTL8188DE PCIe Wi – Fi. The iwlagn driver which covers the Intel WiFi chipsets currently included in many books of basic support WoWLAN (Wake on wireless LAN). The b43 driver for Broadcom WiFi chips now supports various 802. . .11n ready ready – compatible WiFi adapters that use advances microcontroller Architecture of Bus (the Broadcom AMBA) – such as the BCM43224 (PCI – ID 14e4: 4353) and BCM43225 chipset (14e4: 4357), which, to date, requires Broadcom driver requiring brcmsmac.
However, the Linux developers avoid several drivers to support a chip or a series of closely related in the core components. Details of the background are in kernel log and in the article “comment by the kernel: barriers of cooperation of the race” to the H Open. Currently, it seems that the brcm80211 brcmsmac driver will win the race to integrate, as it is planned to move the staging on the subsystem of wireless in Linux 3.2. It remains to see if the kernel developers disable certain functions in the b43 driver to avoid problems and confusion.


While Linux 3.0 provided last components essential to allow the operation of the machine for the Xen hypervisor, version 3.1 obtained the backend Xen PCI, which allows the kernel to (for example 1, 2) PCI/PCIe devices Xen guests. KVM now provides the base functionality for the departure of systems invited from Intel processors in another guest system (nested virtualization) on (for example 1, 2). Classified experimental and disabled by default, the copy zero support RX for Macvtap and Vhost-net is designed to improve network performance in virtualized environments, because it helps reduce the administrative overhead when data on the network are repries or transmitted by the host

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