Does it make sense for a single ISP to function as a CDN? If so, how would that work? If not, what is wrong with the idea?
Answer to relevant QuestionsUnder what conditions is using a CDN a bad idea?An audio streaming server has a one-way distance of 50 msec with a media player. It outputs at 1 Mbps. If the media player has a 1-MB buffer, what can you say about the position of the low-water mark and the high-water mark?Break the following monoalphabetic cipher. The plaintext, consisting of letters only, is a well-known excerpt from a poem by Lewis Carroll. kfd ktbd fzm eubd kfd pzyiom mztx ku kzyg ur bzha kfthcm ur mftnm zhx mfudm zhx ...In the text we computed that a cipher-breaking machine with a billion processors that could analyze a key in 1 picosecond would take only 1010 years to break the 128-bit version of AES. However, current machines might have ...In Fig. 8-20, we see how Alice can send Bob a signed message. If Trudy replaces P, Bob can detect it. But what happens if Trudy replaces both P and the signature?
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