Читать книгу Understanding Infrastructure Edge Computing - Alex Marcham - Страница 40

The 2010s saw the widespread adoption of two significant use cases for internet infrastructure: cloud computing and streaming video services. Both of these have proved instrumental in how we design large‐scale networks in the years since, driving both heavy, highly asymmetric use of downlink network bandwidth during the evenings as people turn to internet‐provided alternatives to cable TV services for entertainment and large uploads of data for both transactional purposes as well as long‐term storage during the day as more business applications shift from on‐premises to cloud services.

Originally deployed during the 1990s, content delivery networks (CDNs) fully came to the fore during this period as a means to achieve several important aims. Moving stores of content closer to their intended users brought a number of key benefits to users, network operators, and content providers, ranging from the ability to provide a better user experience, reducing the growing strain on backhaul and midhaul network infrastructure, and helping to address concerns from network operators that content providers who send much more traffic than they receive were upsetting the established balance of interconnection.