Download A Caching Strategy for Streaming Media by Tan Jin, Yu Sheng-sheng, Zhou Jing-li PDF

By Tan Jin, Yu Sheng-sheng, Zhou Jing-li

It truly is anticipated that via 2003 non-stop media will account for greater than 50 % of the knowledge on hand on foundation servers, this can galvanize an important swap in net workload. as a result excessive bandwidth standards and the long-lived nature of electronic video, streaming server a lot and community bandwidths are confirmed to be significant restricting components. Aiming on the features of broadband community in residential components, this paper proposes a popularity-based server-proxy caching method for streaming media. based on a streaming media acceptance on streaming server and proxy, this method caches the content material of the streaming media partly or thoroughly. The paper additionally proposes formulation that calculate the recognition coefficient of a streaming media on server and proxy, and caching substitute coverage. As anticipated, this approach decreases the server load, reduces the site visitors from streaming server to proxy, and improves shopper start-up latency.

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Obviously, this is not a stance limited to a particular era. It is a recurring theme in many historical rivalries; most famously, it was used as a justification for US involvement in Southeast Asia during the Cold War. While the domino theory of risk avoidance has been discredited in the popular imagination, it still has much of its historic credibility. Events acquire momentum: one defeat or withdrawal has historically led to a series of such incidents. Within the United States, Vietnam may have created a backlash against using the domino theory to support intervention, but that does not negate its practical reality.

Still, it 16 Introduction 17 may be one where the United States can still have a strong influence in most affairs—​something similar to that of the United Kingdom from 1815 to at least 1914. The other alternative is a US retreat from hegemonic power (no longer accepting the role of global policeman), perhaps with the specific intent of avoiding a possibly draining rivalry—​assuming that avoiding a rivalry is even possible, as rivalries have an internal dynamic that makes them difficult, if not impossible, to avoid.

In many cases, ideology infringes on a state’s ability to conduct an accurate net assessment of its rival. Worse, even when an accurate assessment is made, Introduction 33 34 ideology often allows a state to ignore the math so it can undertake policies that by any reasonable calculation will lead to disaster. In Chapter 15, William Morgan shows how this worked in the US-​Japan rivalry starting in 1897: The two nations made accurate net assessments of material factors. They understood each other’s resource base, trade flows, productive capability, and existing and planned force structure.

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