Peer to Peer is the next great thing for the internet phần 3 ppt

... permission to run a particular peer- to -peer application. Peer- to- peer designers must contribute to this design discussion, then enable their applications to use these mechanisms. There is a ... the way up to the root name servers for the Internet as a whole. As the answer propagates back down to the requestor, the result is cached along the way t...

Ngày tải lên: 13/08/2014, 21:21

... territory. Therefore, one major goal for the summit was to develop a better map for the uncharted peer- to -peer space. 3. 1 .3 The new peer- to -peer meme map In a space as vaguely defined as peer- to -peer, ... isn't pure peer- to -peer. Chapter 4, explores this theme farther. Peer to Peer: Harnessing the Power of Disruptive Technologies p age 2...

Ngày tải lên: 13/08/2014, 21:21

... television. And there is the network, which is the conduit that connects the client and the server - the equivalent of the airwaves. Gnutella blends all that into one. The client is the server is ... information for the last remailer in the chain to reassemble them. Only the last remailer in the chain knows what messages go together, because the info...

Ngày tải lên: 13/08/2014, 21:21

... Already, the effects of the peer- to -peer revolution are being felt. Peer- to -peer has captured the imagination of technologists, corporate strategists, and venture capitalists alike. Peer- to -peer is ... value of the key. The choice of 3 shares is arbitrary, as is the choice of 30 . The only constraint is that the number of shares required to fo...

Ngày tải lên: 13/08/2014, 21:21

... comes to metadata, it is very hard to partition the problem space. The things we want to describe, the things we want to say about them, and the things we want to do with this data are all deeply ... server administrators are subpoenaed or otherwise pressured to release information about these entities, they can openly disclaim any knowledge. Peer to Peer: Harnes...

Ngày tải lên: 13/08/2014, 21:21

... Conclusions Performance is likely to remain an important issue in peer- to -peer systems design well into the foreseeable future. Within the peer- to -peer model, a number of trade-offs can be used to tailor ... connected to nodes 0, 1, 3, and 4. Of the 12 possible directed edges among these neighbors, 6 are present (from to 1, 1 to 3, and 3 to 4, and from 1...

Ngày tải lên: 13/08/2014, 21:21

... system, there is no way to refer to the other members of the system. Peer to Peer: Harnessing the Power of Disruptive Technologies p age 16 7 15.5 .3. 3 Freenet Freenet, described in Chapter 9, is ... descriptions is sent to the Napster server by the client software. This server adds the list to its index of MP3 files. In addition to storing the name a...

Ngày tải lên: 13/08/2014, 21:21

... each other, neither has much reason to believe that the other will follow through on their part of the deal. They need to decide whether or not to trust each other. To help them make the decision, ... that the collectors together could combine the shares to determine her rating, but separately they can learn no information. It is the job of the scorers to provide...

Ngày tải lên: 13/08/2014, 21:21

... partner. This is okay when the trader has the facility to process the history as part of a decision whether to trade or not. But more often, there is good reason for the Reputation Server to add ... user- customizable). This is impossible if either the relay or sender is offline. 3. Store it on the sender until it can be sent to the target or relay. This i...

Ngày tải lên: 13/08/2014, 21:21

... relevance of the topic to their work and the value of coming together to do this book. Some of them protested that their applications weren't true peer- to -peer (the Publius team, for example ... The largest part of the book (Part 3) , therefore, comprises technical topics, but the smaller social analysis section (Part 1) is valuable, too. For P2P to spread...

Ngày tải lên: 13/08/2014, 21:21