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Tuesday
Sep302014

Sponsored Post: Apple, Flipboard, All Your Base, Scalyr, FoundationDB, AiScaler, Aerospike, AppDynamics, ManageEngine, Site24x7

Who's Hiring?

  • Apple has multiple openings. Changing the world is all in a day's work at Apple. Imagine what you could do here. 
    • Siri Operations Developer. Apple is looking for talented developers to help build the next generation internal cloud platform for Siri. This person should be excited about solving difficult distributed systems problems as well as constantly improving user-experience. This person will be working with a highly technical and motivated team solving the hard problems. Please apply here.
    • Site Reliability Engineer. The Apple Pay Site Reliability Team is hiring for multiple roles focused on the front line customer experience and the back end integration of Apple systems with our Network and Banking partners. Please apply here.
    • Senior Software Engineer, iTunes Infrastructure. Hands-on senior software engineering for the iTunes digital media supply chain engineering team. We are looking for a self starting, energetic individual who is not afraid to question assumptions and with excellent written and oral communication skills. Please apply here
    • iTunes - Content Management Tools Engineer. The candidate should have several years experience developing large-scale web-based applications using object-oriented languages. Excellent understanding of relational databases and data-modeling techniques is also a must. Please apply here
    • Senior Engineer: Mobile Services. The Emerging Technologies/Mobile Services team is looking for a proactive and hardworking software engineer to join our team. The team is responsible for a variety of high quality and high performing mobile services and applications for internal use. We seek an accomplished server-side engineer capable of delivering an extraordinary portfolio of features and services based on emerging technologies to our internal customers. Please apply here.
    • Apple Pay Automation Engineer. The Apple Pay group within iOS Systems is looking for a outstanding automation engineer with strong experience in building client and server test automation. We work in an agile software development environment and are building infrastructure to move towards continuous delivery where every code change is thoroughly tested by push of a button and is considered ready to be deployed if we choose so. Please apply here

  • Flipboard's Site Reliability Engineering Team is hiring! This team offers great challenges solving unique problems unlike any you have seen!  They work exclusively in the cloud, ensuring a highly available and performant product to millions of users daily.  If you have a passion for large-scale systems, next generation provisioning and orchestration tools apply here.

  • UI EngineerAppDynamics, founded in 2008 and lead by proven innovators, is looking for a passionate UI Engineer to design, architect, and develop our their user interface using the latest web and mobile technologies. Make the impossible possible and the hard easy. Apply here.

  • Software Engineer - Infrastructure & Big DataAppDynamics, leader in next generation solutions for managing modern, distributed, and extremely complex applications residing in both the cloud and the data center, is looking for a Software Engineers (All-Levels) to design and develop scalable software written in Java and MySQL for backend component of software that manages application architectures. Apply here.

Fun and Informative Events

  • All Your Base is the only curated database conference of its kind in the UK. Listen to talks from database creators, industry leaders and developers working at the coal face on where to store and how to handle your data. Book tickets.

Cool Products and Services

  • FoundationDB launches SQL Layer. SQL Layer is an ANSI SQL engine that stores its data in the FoundationDB Key-Value Store, inheriting its exceptional properties like automatic fault tolerance and scalability. It is best suited for operational (OLTP) applications with high concurrency. Users of the Key Value store will have free access to SQL Layer. SQL Layer is also open source, you can get started with it on GitHub as well.

  • Better, Faster, Cheaper: Pick Three. Scalyr is your universal tool for visibility into your production systems. Log aggregation, server metrics, monitoring, alerting, dashboards, and more. Not just “hosted grep” or “hosted graphs”; our columnar data store enables enterprise-grade functionality with sane pricing and insane performance. Trusted by in-the-know companies like Codecademy – get on board!

  • Are You a Startup in need of Reliable Speed at Scale? The Aerospike Startup Special provides free access to the Aerospike Enterprise Edition software with Community Support for qualifying startups. Learn more and see if you qualify! http://www.aerospike.com/blog/special-startups/

  • aiScaler, aiProtect, aiMobile Application Delivery Controller with integrated Dynamic Site Acceleration, Denial of Service Protection and Mobile Content Management. Cloud deployable. Free instant trial, no sign-up required.  http://aiscaler.com/

  • ManageEngine Applications Manager : Monitor physical, virtual and Cloud Applications.

  • www.site24x7.com : Monitor End User Experience from a global monitoring network.

If any of these items interest you there's a full description of each sponsor below. Please click to read more...

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Monday
Sep292014

Instagram Improved their App's Performance. Here's How.

Is flat design just another pretty face or is it a huge performance hack cloaked as a UI revolution? It turns out flat design is a stone cold performance win.

This and more is expertly explained by Tyler Kieft, Engineer at Instagram, in a crisp and content filled talk he gave at the @scale conferenceInstagram on Typical Android. This talk was part of series of talks given by Facebook on how to design for the reality of mobile applications across the globe, where phones are slower, screens are smaller, and networks are slower than they are in the US.

Designing for a typical phone rather than a high-end phone required the Instagram team to rethink their design in a deep way. One of the revelations in Tyler's talk was that moving to a flat design was huge in making the application more beautiful, more usable, and it also substantially increased performance.

This was quite a surprise. I've only ever thought of flat design as just a way to think about how to build pretty UIs. Silly me. Thanks to Tyler for explaining the benefits of flat design so clearly and forcefully, using Instagram as a great example of what is possible.

Flat design is the anti-skeuomorphism, going digital native, eschewing a slavish obsession with the appearance of reality, adopting simple elements, simple typography, flat colors, and simple designs.

Using flat design Instagram was able shave off 120ms from its cold start times. It was also able to reduce the number of assets it took to display the feed screen from 29 assets down to 8 assets. All while making the application more beautiful, more usable, with giving more focus given to the content across different phone sizes.

How did flat design make all this possible? Please keep on reading...

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Friday
Sep262014

Stuff The Internet Says On Scalability For September 26th, 2014

Hey, it's HighScalability time:


With tensegrity landing balls we'll be the coolest aliens to ever land on Mars.
  • 6-8Tbps:  Apple’s live video stream; $65B: crowdfunding's contribution to the global economy
  • Quotable Quotes:
    • @bodil: I asked @richhickey and he said "a transducer is just a pre-fused Kleisli arrows in the list monad." #strangeloop
    • @lusis: If you couldn’t handle runit maybe you shouldn’t be f*cking with systemd. You’ll shoot your g*ddamn foot off.
    • Rob Neely: Programming model stability + Regular advances in realized performance = scientific discovery through computation
    • @BenedictEvans: Maybe 5bn PCs have been sold so far. And 17bn mobile phones.
    • @xaprb: "There's no word for the opposite of synergy" @jasonh at #surgecon

  • The SSD Endurance Experiment. The good news: You don't have to worry about writing a lot of data to SSDs anymore. That bad news: When your SSD does die your data may not be safe. Good discussion on Hacker News.

  • Don't have a lot of money? Don't worry. Being cheap can actually create cool: Teleportation was used in Star Trek because the budget couldn't afford expensive shots of spaceships landing on different planets.

  • Not so crazy after all? Google’s Internet “Loon” Balloons Will Ring the Globe within a Year

  • Before cloud and after cloud as told through a car crash

  • Cluster around dear readers, videos from MesosCon 2014 are now available.

  • From Backbone To React: Our Experience Scaling a Web Application. This seems a lot like the approach Facebook uses in their Android apps. As things get complex move the logic to a top level centralized manager and then distribute changes down to components that are not incrementally changed, they are replaced entirely.

  • Deciding between GAE or EC2? This might help: Running a website: Google App Engine vs. Amazon EC2. AWS is hard to set up. Both give you a lot for free. GAE is not customizable. On AWS use whatever languages and software you want. GAE once written your software will scale. If you have a sysadmin or your project requires specific software go with AWS. If you are small or have a static site go with GAE. 

  • Mean vs Lamp – How Do They Stack Up? MEAN = MongoDB, Express.js, Angular.js, PHP or Python. Why be MEAN: the three most significant being a single language from top to bottom, flexibility in deployment platform, and enhanced speed in data retrieval. However, the switch is not without trade-offs; any existing code will either need to be rewritten in JavaScript or integrated into the new stack in a non-obvious manner.  

  • Free the Web: Sometimes, I feel like blaming money. When money comes into play, people start to fear. They fear losing their money, and they fear losing their visitors. And so they focus on making buttons easily clickable (which inevitably narrows down places where they can go), and they focus on making sites that are safe but predictably usable.

Don't miss all that the Internet has to say on Scalability, click below and become eventually consistent with all scalability knowledge (which means this post has many more items to read so please keep on reading)...

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Wednesday
Sep242014

5 Tips for Scaling NoSQL Databases: Don’t Trust Assumptions—Test, Test, Test!

Alex Bordei, product manager for Bigstep’s Full Metal Cloud, in Scaling NoSQL databases: 5 tips for increasing performance, shares a nice set of lessons he's learned about how NoSQL databases scale:

  • Never assume linearity in scaling. Hardware prices grow exponentially as the specs increase, but not all software can take full advantage of all that power. So you may be paying for hardware your database can't use. Find the sweet spot for price and hardware capabilities.
  • Tests speak louder than specs. Don't trust vendor documentation. It's cheap to spin up new instances so test the specs for yourself.
  • Mind the details: Memory & CPU numbers matter. For in-memory databases the specs on your memory modules matter. Faster memory means faster performance. Same for CPU frequencies. Pay attention to what your money is buying.
  • Do not neglect network latency. Paying for fast memory and fast CPU won't do a lot of good if your network is slow. 
  • Avoid virtualization with NoSQL databases. Virtualization can exact a 20-200% performance penalty. Noisy neighbors also help ruin the neighborhood. Up to 400% performance gains can be seen by switching away from virtualization and adopting bare metal clouds.

Lots of good advice. Each of these points in discussed in more detail in the original article, which is well worth reading.

 

Monday
Sep222014

How Facebook Makes Mobile Work at Scale for All Phones, on All Screens, on All Networks

When you find your mobile application that ran fine in the US is slow in other countries, how do you fix it? That’s a problem Facebook talks about in a couple of enlightening videos from the @scale conference. Since mobile is eating the world, this is the sort of thing you need to consider with your own apps.

In the US we may complain about our mobile networks, but that’s more #firstworldproblems talk than reality. Mobile networks in other countries can be much slower and cost a lot more. This is the conclusion from Chris Marra, Project Manager at Facebook, in a really interesting talk titled Developing Android Apps for Emerging Market.

Facebook found in the US there’s 70.6% 3G penetration with 280ms average latency. In India there’s 6.9% 3G penetration with 500ms latency. In Brazil there’s 38.6% 3G penetration with more than 850ms average latency.

Chris also talked about Facebook’s comprehensive research on who uses Facebook and what kind of phones they use. In summary they found not everyone is on a fast phone, not everyone has a large screen, and not everyone is on a fast network.

It turns out the typical phone used by Facebook users is from circa 2011, dual core, with less than 1GB of RAM. By designing for a high end phone Facebook found all their low end users, which is the typical user, had poor user experiences.

For the slow phone problem Facebook created a separate application that used lighter weight animations and other strategies to work on lower end phones. For the small screen problem Facebook designers made sure applications were functional at different screen sizes.

Facebook has moved to a product organization. A single vertical group is responsible for producing a particular product rather than having, for example, an Android team try to create all Android products. There’s also a horizontally focussed Android team trying to figure out best practices for Android, delving deep into the details of what makes a platform tick.

Each team is responsible for the end-to-end performance and reliability for their product. There are also core teams looking at and analyzing general performance problems and helping where needed to improve performance.

Both core teams and product teams are needed. The core team is really good at instrumentation and identifying problems and working with product teams to fix them. For mobile it’s important that each team owns their full product end-to-end. Owning core engagement metrics, core reliability, and core performance metrics including daily usage, cold start times, and reliability, while also knowing how to fix problems. 

To solve the slow network problem there’s a whole other talk. This time the talk is given by Andrew Rogers, Engineering Manager at Facebook, and it’s titled Tuning Facebook for Constrained Networks. Andrew talks about three methods to help deal with network problems: Image Download Sizes, Network Quality Detection, Prefetching Content.

Overall, please note the immense effort that is required to operate at Facebook scale. Not only do you have different phones like Android and iOS, you have different segments within each type of phone you must code and design for. This is crazy hard to do.

Reducing Image Sizes -  WebP saved over 30% JPEG, 80% over PNG

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Friday
Sep192014

Stuff The Internet Says On Scalability For September 19th, 2014

Hey, it's HighScalability time:


Galactic bolt-hole or supermassive black hole, weighing as much as 21 million suns?
  • Quotable Quotes:
    • @debuggist: Chief takeaway from #velocityconf for me: failure happens so monitor for the ones that are important albeit in systems or culture & fix them
    • @Carnage4Life: The real tech bubble is valuations of Google, Facebook & Twitter are inflated by app install ads from unprofitable startups 
    • Jay Parikh: Android has 2x as many users as iOS. However, iOS average revenue per user is 4x higher than Android. 
    • Joe Armstrong: We’ve made a mess. Need to reverse entropy. Quantum mechanics sets limits to ultimate speed of computation. We need Math. Abolish names and places. Build the condenser. Make low-power computers - no net environmental damaged.
    • @reneritchie: iOS 8 is a beefy update. The internet is feeling the strain of millions of downloads. If it’s slow or stuttering, just give it some time.
    • @vishyp: Quip is big on disconnected clients and clients as write-thru caches. Like it! Uses C++ for x-platform. @btaylor #atscale2014
    • @csabacsoma: Instragram: we use Postgres for almost everything now, some Redis and Memcached #AtScale2014
    • @rfberry: "To maximize throughput, we needed an integrated approach to backpressure." #AtScale2014
    • @sharonw: I asked this Facebook / Instagram panel about image upload. Key changes: retry aggressively, and resize and encode on device. #AtScale2014
    • Igor Zaika: Most of the developers who work on Microsoft Office are younger than the codebase. 
    • Chris Marra: There are about 10k different device models accessing Facebook. Designing for high-end smartphones does not cut it.
    • @Carnage4Life: Apple spends $100m on a U2 album you don't want. Microsoft spends that on ads you don't like. Amazon spends it on free shipping #Marketing
    • @beerops: Laziness as a multiplier: train other people to do what you can do to remove yourself as a bottleneck #velocityconf
    • @xaprb: "Failure is a feature of complex systems." - #velocityconf
    • @dalmaer: "Our mobile app is a write through cache (SQLite) to the source of truth (MySQL on AWS)" -- @btaylor #AtScale2014
    • @herminghaus: @BenedictEvans Designed an 11.4TB patent retrieval system in 1993 with slow WORM robots. Cost $140m. Now <$1000.- at BestBuy.
    • @BenedictEvans: You can't ask people to decide on a trade-off when they have experience of one side but not the other.

  • Caching at Scale. There's a need to better manage caching, especially under failure conditions. Solutions are generally in the form of a proxy layer above memcached. Along these lines Box created Tron, Twitter created TwemProxy, and Facebook created a value meal in McRouter. Database people have always countered, why have a separate cache, just build a cache into the database? This hasn't worked for various reasons, mostly because a database always cares more about being a good database rather than being a good cache. Vitess wants to fix that. Vitess is an open-source system written in Go used at Youtube that: challenges the paradigm of treating caching as a separate layer by directly addressing the issues of database scalability and by modifying the handling of SQL queries.  

  • Talk about your Chaos Godzilla. Facebook Turned Off Entire Data Center to Test Resiliency. Before flipping that switch there must have been a little pause, perhaps thinking this wouldn't be prudent, but damn the torpedoes and full speed ahead. Apparently some issues were found, but it went fairly smoothly. Hazaa for the chutzpah.

  • Best LAN party ever? Researchers twist four radio beams together to achieve high data transmission speeds. The researchers reached data transmission rates of 32 gigabits per second across 2.5 meters of free space in a basement lab.

  • This is an understatement. iOS 8, thoroughly reviewed. An amazing job. A big take away for me is Apple is systematically removing reasons not to buy an iPhone. Bigger phone. Check. Configurable keyboard. Check. Extensions that display in the today view and allow app cooperation. Check. Another take away is Apple is abandoning simplicity for configurability, which is embracing complexity, which is a potential experience killer.

Don't miss all that the Internet has to say on Scalability, click below and become eventually consistent with all scalability knowledge (which means this post has many more items to read so please keep on reading)...

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Wednesday
Sep172014

The FireBox Warehouse Scale Computer in 2020 Will Have 1K Sockets, 100K Cores, 100PB NV RAM, and a 4Pb/s Network

That's the eye popping prediction from Krste Asanović, University of California, Berkeley, in a presentation he gave at FAST '14 titled: FireBox: A Hardware Building Block for 2020 Warehouse-Scale Computers (pdf).

FireFox looks system like this:

Trends in Warehouse Scale Computers (WSC)s:

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Tuesday
Sep162014

Sponsored Post: Apple, Flipboard, All Your Base, Scalyr, FoundationDB, AiScaler, Aerospike, AppDynamics, ManageEngine, Site24x7

Who's Hiring?

  • Apple has multiple openings. Changing the world is all in a day's work at Apple. Imagine what you could do here. 
    • Siri Operations Developer. Apple is looking for talented developers to help build the next generation internal cloud platform for Siri. This person should be excited about solving difficult distributed systems problems as well as constantly improving user-experience. This person will be working with a highly technical and motivated team solving the hard problems. Please apply here.
    • Site Reliability Engineer. The Apple Pay Site Reliability Team is hiring for multiple roles focused on the front line customer experience and the back end integration of Apple systems with our Network and Banking partners. Please apply here.
    • Senior Software Engineer, iTunes Infrastructure. Hands-on senior software engineering for the iTunes digital media supply chain engineering team. We are looking for a self starting, energetic individual who is not afraid to question assumptions and with excellent written and oral communication skills. Please apply here
    • iTunes - Content Management Tools Engineer. The candidate should have several years experience developing large-scale web-based applications using object-oriented languages. Excellent understanding of relational databases and data-modeling techniques is also a must. Please apply here

  • Flipboard's Site Reliability Engineering Team is hiring! This team offers great challenges solving unique problems unlike any you have seen!  They work exclusively in the cloud, ensuring a highly available and performant product to millions of users daily.  If you have a passion for large-scale systems, next generation provisioning and orchestration tools apply here.

  • UI EngineerAppDynamics, founded in 2008 and lead by proven innovators, is looking for a passionate UI Engineer to design, architect, and develop our their user interface using the latest web and mobile technologies. Make the impossible possible and the hard easy. Apply here.

  • Software Engineer - Infrastructure & Big DataAppDynamics, leader in next generation solutions for managing modern, distributed, and extremely complex applications residing in both the cloud and the data center, is looking for a Software Engineers (All-Levels) to design and develop scalable software written in Java and MySQL for backend component of software that manages application architectures. Apply here.

Fun and Informative Events

  • All Your Base is the only curated database conference of its kind in the UK. Listen to talks from database creators, industry leaders and developers working at the coal face on where to store and how to handle your data. Book tickets.

Cool Products and Services

  • FoundationDB launches SQL Layer. SQL Layer is an ANSI SQL engine that stores its data in the FoundationDB Key-Value Store, inheriting its exceptional properties like automatic fault tolerance and scalability. It is best suited for operational (OLTP) applications with high concurrency. Users of the Key Value store will have free access to SQL Layer. SQL Layer is also open source, you can get started with it on GitHub as well.

  • Better, Faster, Cheaper: Pick Three. Scalyr is your universal tool for visibility into your production systems. Log aggregation, server metrics, monitoring, alerting, dashboards, and more. Not just “hosted grep” or “hosted graphs”; our columnar data store enables enterprise-grade functionality with sane pricing and insane performance. Trusted by in-the-know companies like Codecademy – get on board!

  • Whitepaper Clarifies ACID Support in Aerospike. In our latest whitepaper, author and Aerospike VP of Engineering & Operations, Srini Srinivasan, defines ACID support in Aerospike, and explains how Aerospike maintains high consistency by using techniques to reduce the possibility of partitions. 

  • aiScaler, aiProtect, aiMobile Application Delivery Controller with integrated Dynamic Site Acceleration, Denial of Service Protection and Mobile Content Management. Cloud deployable. Free instant trial, no sign-up required.  http://aiscaler.com/

  • ManageEngine Applications Manager : Monitor physical, virtual and Cloud Applications.

  • www.site24x7.com : Monitor End User Experience from a global monitoring network.

If any of these items interest you there's a full description of each sponsor below. Please click to read more...

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Monday
Sep152014

Getting Things Right: A Look at Centralized vs Decentralized Systems Through the Eyes of Instant Replay

Three baseball umpires were sitting around a bar, talking about how they make calls on each pitch: First umpire: Some are balls and some are strikes, and I call them as they are. Second umpire: Some are balls and some are strikes, and I call them as I see 'em. Third umpire: Some are balls and some are strikes, but they ain’t nothin' until I call 'em.

It’s fun to look at how concepts we think of as belonging primarily to the domain of computer science play out in other fields. One intriguing example is how Instant Replay reflects and even helps shape the culture of a sport by how replay is implemented: decentralized or centralized.

Lucrative TV deals have pumped huge sums of money into professional sports. With so much money in play, sports have shifted from being pure entertainment to wanting to get things right. The price of making a bad call is just too high to let the human element decide the fate of titans.

Getting things right is also a much talked about subject in computer science. In CS the language of getting things right uses terms like transaction, rollback, quorum, optimistic replication, linearizability, synchronization, lock, eventually consistent, compensating transaction, and so on.

In sports to get things right referees use terms like flag, penalty, by rule, ruling stands, reset the clock, down and distance, line to gain, the whistle blew, ruling confirmed, and ruling overturned.

Though the vocabulary is different, the intent is much the same. Correctness.

Intent is not all tech and sports have in common. As technology evolves we are seeing sports change to take advantage of the new capabilities technology offers. And those changes should be familiar to anyone in software. Sports have gone from a completely decentralized system of officiating to where we now see the NBA, NFL, MLB, and NHL, all converging on some form of a centralized system.

The NHL were the innovators, starting their centralized instant replay system in 2011. It works something like this...officials sit in a war room located in Toronto that looks a lot like every network operations center ever built. Video feeds from all games flow into the room. When there is a controversy or an obvious review-worthy play, Toronto is contacted for a quick review and judgement on the correct call.  Every sport will implement their own centralized replay system in their own way, but that's the gist of it.

We’ve seen the exact same transformation as federated services like email have been replaced with centralized services like Twitter and Facebook. It turns out sports and computer science have some deeper similarities. What might those be?

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Friday
Sep122014

Stuff The Internet Says On Scalability For September 12th, 2014

Hey, it's HighScalability time:


Each dot in this image is an entire galaxy containing billions of stars. What's in there?
  • Quotable Quotes:
    • mseepgood: Or "another language that's becoming popular, Node.js"
    • Joe Moreno: What good are billions of cycles of CPU power that make me wait. I shouldn't have to wait longer and longer due to launching, buffering, syncing, I/O and latency.
    • @stevecheney: Apple Pay is the magic that integrated hardware / software produces. No one else in the world can do this.
    • @etherealmind: Next gen Intel Xeon E5 V3 CPU includes packet processor for 40GBE, 30x increase in OpenSSL crypto, 25% increase in DPDK perf. #IDF14
    • @pbailis: There's actually an interesting question in understanding when to break "sharing" -- at core, NUMA domain, server, or cluster level?
    • @fmueller_bln: Just wait some minutes for vagrant to provision a vm with puppet and you’ll know why docker may be better option for dev machines...

  • Encryption will make fighting the spam war much costlier reveals Mike Hearn in an awesome post: A brief history of the spam war, where he gives insightful color commentary of the punch counter punch between World Heavyweight Champion Google and the challenger, Clever Spammer.  Mike worked in the Gmail trenches for over four years and recommends: make sending email cost money; use money to create deposits using bitcoin. 

  • jeswin: No other browser can practically implement or support Dart. If they do their implementation will be slower than Google's, and will get classified as inferior. < Ignoring the merits of Dart, this is an interesting ecosystem effect. By rating sites for non quality of content reasons Google can in effect select for characteristics over which they have a comparative advantage. It's not an arms length transaction. 

  • Dateline Seattle. Social media users execute a coordinated denial of service attack on cell networks, preventing those in need from accessing emergency services. Who are these terrorists? Football fans. City of Seattle asks people to stop streaming videos, posting photos because of football. Tweets, Instagram, YouTube, and Snapchat are overloading the cell networks so calls can't get through. Should the cell network expand capacity? Should there be an app tax to constrain demand? Should users pay per packet? As a 49ers fan I have another suggestion...move games to a different venue, perhaps the moon. That will help.

  • Are you a militant cable cutter who thinks the future of  TV is the Internet? Not so fast says Dan Rayburn in Internet Traffic Records Could Be Broken This Week Thanks To Apple, NFL, Sony, Xbox, EA and Others: Delivering video over the Internet at the same scale and quality that you do over a cable network isn’t possible. The Internet is not a cable network and if you think otherwise, you will be proven wrong this week. We’re going to see long download times, more buffering of streams, more QoS issues and ISPs that will take steps to deal with the traffic. 

  • Ted Nelson takes on the impossible in on How Bitcoin Actually Works (Computers for Cynics #7). And he does an excellent job, sharing his usual insight with a twist. The title is misleading however. There's hardly any cynicism. How disappointing! Ted is clearly impressed with the design and implementation of bitcoin. For good reason. No matter what you think of bitcoin and its potential role in society, it is a very well thought out and impressive piece of technology. On par with Newton, Mr. Nelson suggests. If you watch this you'll probably realize that you don't actually understand bitcoin, even if you think you do, and that's a good thing.

Don't miss all that the Internet has to say on Scalability, click below and become eventually consistent with all scalability knowledge (which means this post has many more items to read so please keep on reading)...

Click to read more ...