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Showing posts with label TechNews. Show all posts
Showing posts with label TechNews. Show all posts

Sunday, 26 April 2015

Google To Speed Up The Internet With Its New QUIC Protocol

Google is trying every effort to make the World Wide Web faster for Internet users.

The company has announced plans to propose its homemade networking protocol, called Quick UDP Internet Connections (QUIC), to the Internet Engineering Task Force (IETF) in order to make it the next-generation Internet standard.

Probably the term QUIC is new for you, but if you use Google’s Chrome browser then there are chances that you have used this network protocol already.

What is QUIC?

QUIC is a low-latency transport protocol for the modern Internet over UDP, an Internet protocol that is often used for streaming media, gaming and VoIP services.
The search engine giant first unveiled the experimental protocol QUIC and added it to Chrome Canary update in June 2013.
The protocol already included a variety of new features, but the key feature is that QUIC runs a stream multiplexing protocol on top of UDP instead of TCP.

The Idea behind QUIC:

QUIC was developed to speed up latency-sensitive web applications, such as search, by reducing the number of network round-trip time (RTT) that it takes in order to establish a connection to a server.
"The standard way to do secure web browsing involves communicating over TCP + TLS, which requires 2 to 3 round trips with a server to establish a secure connection before the browser can request the actual web page," Google's Chrome team wrote in a blog post.
"QUIC is designed so that if a client has talked to a given server before, it can start sending data without any round trips, which makes web pages load faster."
Here are some QUIC highlights:
  • Packet pacing to reduce packet loss
  • A pluggable congestion control mechanism
  • UDP transport to avoid TCP head-of-line blocking
  • High security similar to Transport Layer Service (TLS)
  • Packet error correction to reduce retransmission latency
  • A connection identifier to reduce reconnections for mobile clients
  • Fast (0-RTT) connectivity similar to TLS Snapstart combined with TCP Fast Open.
Here’s the Big Deal:

With the help of QUIC, Google aims to combine the best features of both UDP (User Datagram Protocol) and TCP (Transmission Control Protocol) with modern security tools with the goal of Zero-RTT connectivity overhead and better SPDY support.

SPDY is a networking protocol introduced by Google in 2009 and is recently being built into upcoming HTTP/2 protocol.
Quick-UDP-Internet-Connections
SPDY is also supported by some technologies including Google's own Chrome browser, Mozilla's Firefox, Microsoft's Internet Explorer 11, many websites such as Facebook, and some of the software that delivers Web pages to browsers.
"Today, roughly half of all requests from Chrome to Google servers are served over QUIC and we’re continuing to ramp up QUIC traffic, eventually making it the default transport from Google clients — both Chrome and mobile apps — to Google servers," Chrome team explained.
The search engine giant does not know how much faster QUIC would make Web surfing over the Internet, but ultimately its goal is to bring improvements to the web we are using today.

Google discontinues Nexus 7, takes it off the Play Store

Google discontinues Nexus 7, takes it off the Play Store


Google’s 2013 edition of the Nexus 7 tablet has been discontinued. You will no longer find it for purchase on the official Google Play Store. The Nexus 7 product page says that, ‘The Nexus 7 is no longer available for purchase’.
As far as tablets go, the Google Play Store is only selling the 16GB and 32GB version of the Nexus 9.
You can still buy off the Nexus 7 on Flipkart at Rs 15,999 for the 32 GB Wifi variant. The 32 GB Wifi ANd LTE  variant is priced at Rs 23,799. You can also find the tablet on sale oneBay and Amazon as well.
Nexus 7 (2013) was also upgraded to the Android 5.0 lolipop last year. This brought in a lot of interesting features on the tablet such as seamless continuity between various Android devices, multiple device compatibility, material design, battery settings and so on. Read our list of 10 key highlights of Android 5.0 to know more.
The 7-inch Nexus tablet sports a 1920 x 1200 pixel resolution and is powered by a 1.5GHz Qualcomm Snapdragon S4 Pro quad-core processor. It has 2GB of RAM.
With this move, it seems like Google wants to ensure more people buy its Nexus 9 tablet which starts from Rs 28,900 on the Play Store. There are no details on whether Google is planning to launch another 7-inch tablet anytime soon.

Nepal earthquake: Google’s ‘Person finder’ and Facebook’s ‘Safety Check’ helping locate those stranded

Nepal earthquake: Google’s ‘Person finder’ and Facebook’s ‘Safety Check’ helping locate those stranded
At a time when Nepal and parts of India have been convulsed by a devastating earthquake, modern web technology is turning out to be a boon as distressed family members are able to locate their loved ones.
Social networking website Facebook, and Google's Person Finder have helped locate the whereabouts of those stranded in quake-hit areas.
For instance, members of one Himmatramka family residing in Birgunj in Nepal marked themselves safe on Facebook. “Our relatives back in India were worried about our safety. So, we marked ourselves safe to inform them,” said Nitesh Himmatramka.
People from parts of West Bengal and Uttar Pradesh have also used this app mentioning that they are safe.
Facebook's safety tool, ‘Safety App’, is being used to find those in the affected areas. Launched in October last, the app is used to generate alerts to Facebook friends of those trapped in the affected areas who, in turn, confirm that they are safe.

Facebook’s safety check app
“Safety Check is our way of helping our community during natural disasters and gives you an easy and simple way to say you’re safe and check on all your friends and family in one place,” Facebook’s founder Mark Zuckerberg had said in a post.
The idea to launch such an app came after the 2011 Tsunami in Japan, which had caused massive devastation in the country as millions of people had little clue about the whereabouts of their kin for weeks.
Facebook asks the person in affected area to update their safety status thus, generating a notification to friends on the social network about his or her safety, he added.
This feature lets one check the number of people who are safe and those affected by the calamity along with providing information about location where the person is trapped.
Person Finder helps the affected individuals post their safety statuses by using this tool, which acts as a database of missing persons and helps their family members trace them.
It comes with two options–“I’m looking for someone and “I have information about someone”.
The technology gathers information from the families and affected individuals, enabling them to upload information and locate their kin. The technology is available in English and Nepali.
A 7.9-magnitude earthquake jolted Nepal yesterday followed by several aftershocks and left a trail of death and destruction, flattening houses and buildings, including the iconic Dharhara tower and the landmark Darbar Square in the heart of the capital.
Death toll in the quake has climbed to 1,807 while the number of injured has gone up to 4,721.

Friday, 7 November 2014

Android M- Upcoming Android Os for android phones

Today in this post i will tell you about upcoming android os version after Android Lolipop 5.0....



Android Lollipop is finally here, which means only one thing: Android M is in the works. We know very little about Google's next OS, so for now we're having fun guessing what it could be called.

Milkshake? Muffin? Marshmallow? 


When is it coming? Android M will likely arrive in November 2015 although, as was the case with Lollipop, we may get a sneakl peak at Google I/O in June. 


It will definitely be very exciting android version with lot more features after android lolipop.Google developers are currently working on 

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