Traditional CDNs were designed to accelerate static objects on a website by architecting the site to store the static objects in a different host location, away from the main site, CNAME-ing only that host to the CDN provider. This separation was crucial, as the CDN handled only the static pages, and the non-cacheable objects were served directly from the origin server. However, this approach is inherently inefficient, as it requires modification of the existing site. It is also error prone as links–internal or external–may still direct to the original host.
Accelerate your websites and Web applications with unmatched performance and real-time control, through Cotendo’s integrated suite of CDN and Site Acceleration services. Cotendo Advanced DNS (Domain Name Service) reduces latency, scales seamlessly for every audience size and geography, and enhances service availability. Cotendo’s distributed service model provides another layer of security for your website and web applications. DNS queries can be flexibly handled based on rules (location, time) and real-time conditions.
* Explore the similar histories of the cloud and Content Delivery Networks (CDNs)
* Discover the future relationship between CDNs and emerging cloud platforms as the lines of distinction continue to blur
* Learn from real world use cases in which these technologies interact together
Accelerate your websites and Web applications with unmatched performance and real-time control, through Cotendo’s integrated suite of CDN and Site Acceleration services. Cotendo Advanced DNS (Domain Name Service) reduces latency, scales seamlessly for every audience size and geography, and enhances service availability. Cotendo’s distributed service model provides another layer of security for your website and web applications. DNS queries can be flexibly handled based on rules (location, time) and real-time conditions.
* Explore the similar histories of the cloud and Content Delivery Networks (CDNs)
* Discover the future relationship between CDNs and emerging cloud platforms as the lines of distinction continue to blur
* Learn from real world use cases in which these technologies interact together
The RestFS is an experimental project to develop an open-source distributed filesystem for large environments. It is designed to scale up from a single server to thousand of nodes and delivering a high availability storage system with special features for high i/o performance and network optimization for work better in WAN environment. The Restfs is pure-python, but several of the libraries that it depends upon use C extensions (sometimes for speed, sometimes to interface to pre-existing C libraries). The Project is on the beginning stage, with some technology previews released.
Fast Distribution of Replicated Content to Multi- Homed ClientsIDES Editor
Clients can potentially have access to more than
one communication network nowadays due to the availability
of a wide variety of access technologies. On the other hand,
service replication has become a trivial approach in overlay
networks to provide a high availability of data and better QoS.
In this paper, we consider such a multi-homed client seeking
a replicated service in overlay network (e.g., CDN, peer-topeer).
Our aim is to improve the content distribution by
proposing a new model for being applied at the applicationlevel
and in a fully distributed way. Basically, our model
proposes to determine the best mirror server that could be
reached through each client’s network interface based on
application utility function. Then, it consists of downloading
the requested content from the determined best servers
simultaneously through their associated interfaces. Each best
server should deliver a specific estimated range of bytes (i.e.,
content chunk) to an independent TCP socket opened at the
client side for being finally aggregated at the applicationlevel.
Our real experiments show that our model is able to
considerably improve the QoS (e.g., content transfer time)
perceived by the client comparing to the traditional content
distribution techniques.
How the City of Melrose Reached the Clouds with VMware on NetApp FlexPodNetApp
Located approximately seven miles north of Boston, Melrose is a small
city with a population of about 28,000. Since its settlement in the 18th century, Melrose has offered residents a desir- able compromise between a crowded metropolis and rural Massachusetts. Predominantly residential, with exqui- site Victorian homes dating from the late 1800s, the city has a long-standing tradition of self-sufficiency, with excel- lent schools and cultural attractions.
However, the city’s IT infrastructure had become outdated. To achieve the growth and sustainability necessary for a more promising future, Chief Infor- mation Officer Jorge Pazos began to investigate what innovations were pos- sible within IT that could leverage exist- ing technology investments yet find new ways to generate revenue.
Choosing Between Multiple Content Delivery Networks and Load Balancing: Coten...gyanendra1
One of the new companies jumping into the Content Delivery Networking (CDN) arena is Cotendo. They are a fairly new CDN Service Provider and are solely focused on the CDN market. Cotendo's strategy is unique: break into the business by capturing some of Akamaiʼs market share in the Dynamic Content area (Dynamic Site Acceleration). Not a bad strategy. If nothing else, you have to give them some kudos for their uniqueness.
Cotendo Cloudlet™ is a modern approach to deploying key dynamic site processing logic to edge locations. Cloudlet enables delivery decisions and content transformation to be made very close to the user, with response much faster than even accelerated connections to the origin site can provide. Decisions and logic based on geography, devices, and request routing, to name a few, can be optimally processed and expedited via Cloudlets.
Some of the newer CDN technologies can address the logic level in a number of innovative ways. First, they can more intelligently cache information close to end users with mobile devices, and use the location as a cache-key. So, for example, a weather site can, with this type of logic, cache appropriate detailed weather information for a user in the CDN based on their initial GPS contact point. This weather data can be later served to other users located a few blocks away, eliminating the need for additional round trips.
A website application developer struggles to address two mobilespecific variables: the differences in mobile devices’ display and processing capabilities, and the per-session variability in connection throughput.Neither of these variables can be mitigated by legacy CDN services because mobile users receive more dynamic content, which cannot be cached by traditional CDN services.
Escalating website and Web application complexity, content volumes, refresh rates and user demands surpass what traditional content delivery networks (CDNs) can effectively manage. This, combined with the lack of transparency and control in many systems, results in poor performance and end-user experience, ultimately compromising business outcomes.
The RestFS is an experimental project to develop an open-source distributed filesystem for large environments. It is designed to scale up from a single server to thousand of nodes and delivering a high availability storage system with special features for high i/o performance and network optimization for work better in WAN environment. The Restfs is pure-python, but several of the libraries that it depends upon use C extensions (sometimes for speed, sometimes to interface to pre-existing C libraries). The Project is on the beginning stage, with some technology previews released.
Fast Distribution of Replicated Content to Multi- Homed ClientsIDES Editor
Clients can potentially have access to more than
one communication network nowadays due to the availability
of a wide variety of access technologies. On the other hand,
service replication has become a trivial approach in overlay
networks to provide a high availability of data and better QoS.
In this paper, we consider such a multi-homed client seeking
a replicated service in overlay network (e.g., CDN, peer-topeer).
Our aim is to improve the content distribution by
proposing a new model for being applied at the applicationlevel
and in a fully distributed way. Basically, our model
proposes to determine the best mirror server that could be
reached through each client’s network interface based on
application utility function. Then, it consists of downloading
the requested content from the determined best servers
simultaneously through their associated interfaces. Each best
server should deliver a specific estimated range of bytes (i.e.,
content chunk) to an independent TCP socket opened at the
client side for being finally aggregated at the applicationlevel.
Our real experiments show that our model is able to
considerably improve the QoS (e.g., content transfer time)
perceived by the client comparing to the traditional content
distribution techniques.
How the City of Melrose Reached the Clouds with VMware on NetApp FlexPodNetApp
Located approximately seven miles north of Boston, Melrose is a small
city with a population of about 28,000. Since its settlement in the 18th century, Melrose has offered residents a desir- able compromise between a crowded metropolis and rural Massachusetts. Predominantly residential, with exqui- site Victorian homes dating from the late 1800s, the city has a long-standing tradition of self-sufficiency, with excel- lent schools and cultural attractions.
However, the city’s IT infrastructure had become outdated. To achieve the growth and sustainability necessary for a more promising future, Chief Infor- mation Officer Jorge Pazos began to investigate what innovations were pos- sible within IT that could leverage exist- ing technology investments yet find new ways to generate revenue.
Choosing Between Multiple Content Delivery Networks and Load Balancing: Coten...gyanendra1
One of the new companies jumping into the Content Delivery Networking (CDN) arena is Cotendo. They are a fairly new CDN Service Provider and are solely focused on the CDN market. Cotendo's strategy is unique: break into the business by capturing some of Akamaiʼs market share in the Dynamic Content area (Dynamic Site Acceleration). Not a bad strategy. If nothing else, you have to give them some kudos for their uniqueness.
Cotendo Cloudlet™ is a modern approach to deploying key dynamic site processing logic to edge locations. Cloudlet enables delivery decisions and content transformation to be made very close to the user, with response much faster than even accelerated connections to the origin site can provide. Decisions and logic based on geography, devices, and request routing, to name a few, can be optimally processed and expedited via Cloudlets.
Some of the newer CDN technologies can address the logic level in a number of innovative ways. First, they can more intelligently cache information close to end users with mobile devices, and use the location as a cache-key. So, for example, a weather site can, with this type of logic, cache appropriate detailed weather information for a user in the CDN based on their initial GPS contact point. This weather data can be later served to other users located a few blocks away, eliminating the need for additional round trips.
A website application developer struggles to address two mobilespecific variables: the differences in mobile devices’ display and processing capabilities, and the per-session variability in connection throughput.Neither of these variables can be mitigated by legacy CDN services because mobile users receive more dynamic content, which cannot be cached by traditional CDN services.
Escalating website and Web application complexity, content volumes, refresh rates and user demands surpass what traditional content delivery networks (CDNs) can effectively manage. This, combined with the lack of transparency and control in many systems, results in poor performance and end-user experience, ultimately compromising business outcomes.
Gary Southwell's presentation from OTTCON, held in March in San Jose, California. Gary was speaking about how to manage the growth of OTT content and how to manage that growth to maximize revenue.
Mr. Tareq Amin currently serves as CTO of Rakuten Mobile Network. Currently at Rakuten Mobile Network, he is implementing disruptive initiatives such as; a next-generation cloud native network, an end-to-end automated OSS/BSS, edge computing for enhanced CX and new age applications, open & virtualized disaggregated RAN, and a simplified HW deployment for an any service/anywhere approach. These initiatives are the building blocks to a modern day network that has the ability to evolve at the pace of technology innovation.
APNIC Chief Scientist Geoff Huston presents on Future network needs and what's driving change at the 38th TWNIC OPM, held on 1 December 2022 in Taipei.
Value Networks and Business Models of Information-centric NetworkingTapio Levä
Presentation given in the "Future Media Distribution using Information Centric Networks" event organized by the SAIL and EFRAIM projects on February 13, 2013 in Stockholm, Sweden.
The presentation is based on the results of the SAIL (EC-FP7) project.
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