... criterion that a peer- to -peer system needs to address in order to succeed. The enthusiasm for peer- to -peer has led to a lot of incautious statements about the superiority of peer- to- peer for many, ... millions of individual desktops. Peer- to -peer is a way of decentralizing not just features, but costs and administration as well. 2.1.1 Peer- to -peer is as...
Ngày tải lên: 25/03/2014, 10:51
... the Peer to Peer Networks has made the ranking of peer to peer systems an high-priced but unavoidable component. The more users try to search, the more system overloads. Since hyper-bandwidth-links ... or topical crawler is a web crawler that attempts to download only web data that are relevant to a pre-defined topic or set of topics. Topical crawling generally assumes...
Ngày tải lên: 20/11/2012, 11:36
Lab 5.1.11 Building a Peer-to-Peer Network
... 1 - 4 CCNA 1: Networking Basics v 3.0 - Lab 5.1.11 Copyright 2003, Cisco Systems, Inc. Lab 5.1.11 Building a Peer- to -Peer Network Objective • Create a simple peer- to -peer network ... Preparation This lab focuses on the ability to connect two PCs to create a simple hubless, two-workstation peer- to -peer Ethernet LAN. In addition to the Physical and D...
Ngày tải lên: 27/10/2013, 07:15
Lab 5.1.12 Building a Peer-to-Peer Network
... Lab 5.1.12 Building a Peer- to -Peer Network Objective • Create a simple peer- to -peer network between two PCs • Identify the proper cable to connect the two PCs • Configure ... This lab focuses on the ability to connect two PCs to create a simple peer- to -peer Ethernet LAN between two workstations. The workstations will be directly connected to each other wit...
Ngày tải lên: 27/10/2013, 07:15
Tài liệu Centralized Versus Peer-to-Peer Knowledge Management Systems doc
... groups and is based on the peer- to -peer metaphor. In the following, its func- tions are discussed briefly using the layers of the peer- to -peer architecture (see Figure 5). 2 Peer Data and knowledge ... ARTICLE Centralized Versus Peer- to -Peer Knowledge 59 peer- to -peer KMS have been contrasted and illu- strated with the help of two example systems. The systems’ ability...
Ngày tải lên: 24/01/2014, 00:20
Chord: A Scalable Peer-to-peer Lookup Protocol for Internet Applications ppt
... 120–130. [16] LIBEN-NOWELL, D., BALAKRISHNAN, H., AND KARGER, D. R. Ob- servations on the dynamic evolution of peer- to -peer networks. In First International Workshop on Peer- to -Peer Systems (Cambridge, ... features, the core oper- ation in most peer- to -peer systems is efficient location of data items. The contribution of this paper is a scalable protocol for lookup in a dynam...
Ngày tải lên: 23/03/2014, 03:20
FeedTree: Sharing Web micronews with peer-to-peer event notification pdf
... close to the source. To address these problems, we look to peer- to- peer overlay networks, which offer a compelling plat- form for self-organizing subscription systems. Several overlay-based ... distribution system called FeedTree, which uses a peer- to -peer overlay network to distribute RSS feed data to subscribers promptly and ef- ficiently. Peers in the network share the...
Ngày tải lên: 23/03/2014, 13:20
Measurements and Mitigation of Peer-to-Peer-based Botnets: A Case Study on Storm Worm ppt
... fig- ure, Storm Worm also exhibits strong diurnal patterns like other botnets [6]. 0 5000 10000 15000 20000 25000 30000 35000 40000 1 2-1 5 1 2-2 2 1 2-2 9 0 1-0 5 0 1-1 2 0 1-1 9 0 1-2 6 0 2-0 2 stormbots date US IN ... an at- tacker with the help of a central server: all compromised ma- chines connect to the central server and wait for commands. However, the first...
Ngày tải lên: 23/03/2014, 13:20
Bitcoin: A Peer-to-Peer Electronic Cash System
... Bitcoin: A Peer- to -Peer Electronic Cash System Satoshi Nakamoto satoshin@gmx.com www.bitcoin.org Abstract. A purely peer- to -peer version of electronic cash would allow online payments to be sent ... Owner 3's Private Key 4. Proof-of-Work To implement a distributed timestamp server on a peer- to -peer basis, we will need to use a proof- of-work system similar to...
Ngày tải lên: 25/03/2014, 10:52
o'reilly - how to build a freebsd-stable firewall with ipfilter - from the o'reilly anthology
... "Changes to FreeBSD security support policy"). - Add these lines at the bottom of the file: ports-www tag=. ports-mail tag=. ports-net tag=. ports-shells tag=. ports-ftp tag=. ports-security ... that point. $(TWDB) -& gt; $(SEC_CONFIG) -i; $(TWPOL)/tw.pol -& gt; $(SEC_BIN) -i; $(TWPOL)/tw.cfg -& gt; $(SEC_BIN) -i; $(TWLKEY)/$(HOSTNAME)-local.key -& gt; $(...
Ngày tải lên: 31/03/2014, 16:55