One of the attributes of a general-purpose object store that I called out in my last blog post was it must support streaming applications, and in particular, live and HTTP adaptive streaming. The Object Store solution recently announced by Verivue—which … Continue reading
Here’s a modest insight. When designing a cloud storage system, there is value in decoupling the system’s archival capacity (its ability to persistently store large volumes of data) from the system’s delivery capacity (its ability to deliver popular objects to … Continue reading
I’ve recently posted several articles about the advantages of running network functions on virtualized commodity servers, and while it’s important to make the general case for replacing purpose-built hardware appliances with commodity servers, there’s a more focused story centered around … Continue reading
For those that have followed my recent postings about extending the cloud from the data center to the edge of the operator’s network, I am delighted to report that BT announced its Network Virtualization (NV) initiative at last week’s Carrier … Continue reading
I’ve written before about the power of delivering CDN and related services on virtualized commodity servers deployed deep in operator networks (see Extending the Cloud to the Network Edge and A Perfect Storm). The arguments in favor of such an … Continue reading
With an assortment of open source proxy caches readily available (e.g., NGINX, Varnish, ATS), it isn’t surprising to hear network operators ask about the value of commercial CDN solutions. After all, how hard can it be to build a CDN … Continue reading
As network operators faced with steady increases in streaming media turn to CDN technology to reduce network load and improve QoE, router vendors have begun to heavily promote the concept of caching on proprietary router blades. This, the vendors say, … Continue reading
Now a full-fledged IETF Working Group, CDN Interconnection (CDNI) is making sure and steady progress towards a common understanding of the problem space, but is treading precariously close to several slippery slopes. The risk to producing a practical set of … Continue reading
[This article originally appeared as a guest post on Broadband Traffic Management Blog.] Transparent caching is often viewed as something distinct from an Operator CDN—it is used to cache over-the-top (OTT) content from content providers and aggregators with which the … Continue reading
Having spent my career in the IT world, where I’ve participated in the design of high-level services, including CDN-related technologies, I now find myself helping to make a case for why network operators should consider CDNs as a core element … Continue reading