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CDN Breakthroughs
Monitoring innovations in CDN, CDN Federation, Cloud, SDN, Security, Caching, Load Balancing, Video/DRM delivery strategies & tools
Curated by Nicolas Weil
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[How-to] DNS based session persistence with latency based routing

[How-to] DNS based session persistence with latency based routing | CDN Breakthroughs | Scoop.it

Many applications require each HTTP request, from a particular client, be directed to the same server or cloud instance. This is called session persistence and is common with web applications that do not share application “state” between back-end servers or data stores.

 

In the past, this has been solved using local Load Balancers such as those provided by F5 or Brocade or more recently with the Elastic Load Balancer from Amazon. However, as application architects look to serve a global audience and deploy their applications to multiple data centers it becomes necessary to ensure session persistence at a global and local level.

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Cedexis announces Fusion: Makes Big Data Actionable To Improve Website And Content Delivery

Cedexis announces Fusion: Makes Big Data Actionable To Improve Website And Content Delivery | CDN Breakthroughs | Scoop.it

Cedexis Fusion integrates data from third party software, hardware and network monitoring tools, in addition to CDN and Cloud usage data, to enable a wide range of performance, availability and costs-for-performance traffic shaping.

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Cedexis Saves Load Times with Billions of Tests per Day

Cedexis Saves Load Times with Billions of Tests per Day | CDN Breakthroughs | Scoop.it

Learn how one company's automated CDN and ISP testing enhances traffic delivery for streaming video and more.

 

"Our goal is fairly modest," said Robert Malnati, vice president of marketing for Cedexis, somewhat tongue in cheek. "We want to make the internet better for every user."

 

Cedexis and its Openmix service unification attempts to automate the optimization of end-user experiences across vendors, from content delivery networks (CDNs) and off-net points of presence (POPs) to on-net cloud and public/private data centers.

 

"Openmix sits between network core and the end-user," said Malnati. "We use 48 nodes deployed around the world, across a variety of data centers, to confirm real-time optimization. At its core, Openmix is a load balancer."

An end-user device first downloads Radar, written in JavaScript, and then requests objects from a variety of locations. So is Cedexis using a peer-to-peer arrangement to optimize content delivery? No, because the test objects only come from the pre-defined nodes, and no information is passed from one client to another.

 

"It's not P2P, but a measurement of how bandwidth and object optimization can shave seconds off a page load," said Malnati. Openmix is akin to an automated DSL Reports test run.

"Except we do this billions of times per day," Malnati said.

 

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