Peer to Peer is the next great thing for the internet phần 10 ppsx

... 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, ... Clearly, these are characteristics of the systems that put the peer- to -peer buzzword onto everyone's radar. But are they really the key poi...

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 ... doesn't have the document that the requestor is looking for, it forwards the request to another node that, according to its information, is more...

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 ... Commission for their help and support. Many thanks also to Ian Clarke for creating Freenet, to Need to Know for bringing it to my attention, to Da...

Ngày tải lên: 13/08/2014, 21:21

... Therefore, another way to make the update attack more difficult is to raise the number of shares needed to reconstruct the key. The default is three, but it can be set to any number during the ... This suggests the fee -for- service or micropayment model mentioned at the beginning of the chapter. • The other approach is to make our risk proportional to o...

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 ... business issues. We discuss some of the business issues later in Section 17 .10. The main technical issue is that the marketplace and the Reputation Server need...

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 ... system must furnish metadata information about the title and artist of the song. The legal questions Napster raises naturally attach themselves to some of the other...

Ngày tải lên: 13/08/2014, 21:21