Modeling peer-peer file sharing systems Export

@proceedings{citeulike:1189183, abstract = {Peer-peer networking has recently emerged as a new paradigm for building distributed networked applications. We develop simple mathematical models to explore and illustrate fundamental performance issues of peer-peer file sharing systems. The modeling framework introduced and the corresponding solution methods are flexible enough to accommodate different characteristics of such systems. Through the specification of model parameters, we apply our framework to three different peer-peer architectures: centralized indexing, distributed indexing with flooded queries, and distributed indexing with hashing directed queries. Using our model, we investigate the effects of system scaling, freeloaders, file popularity and availability on system performance. In particular, we observe that a system with distributed indexing and flooded queries cannot exploit the full capacity of peer-peer systems. We further show that peer-peer file sharing systems can tolerate a significant number of freeloaders without suffering much performance degradation. In many cases, freeloaders can benefit from the available spare capacity of peer-peer systems and increase overall system throughput. Our work shows that simple models coupled with efficient solution methods can be used to understand and answer questions related to the performance of peer-peer file sharing systems.}, author = {Ge, Z. and Figueiredo, D. R. and Jaiswal, Sharad and Kurose, J. and Towsley, D.}, citeulike-article-id = {1189183}, citeulike-linkout-0 = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1209239}, journal = {INFOCOM 2003. Twenty-Second Annual Joint Conference of the IEEE Computer and Communications Societies. IEEE}, keywords = {modeling, peer-to-peer}, pages = {2188--2198 vol.3}, posted-at = {2008-09-08 16:19:44}, priority = {4}, title = {Modeling peer-peer file sharing systems}, url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1209239}, volume = {3}, year = {2003} }

TY - CONF ID - citeulike:1189183 L3 - citeulike-article-id:1189183 N2 - Peer-peer networking has recently emerged as a new paradigm for building distributed networked applications. We develop simple mathematical models to explore and illustrate fundamental performance issues of peer-peer file sharing systems. The modeling framework introduced and the corresponding solution methods are flexible enough to accommodate different characteristics of such systems. Through the specification of model parameters, we apply our framework to three different peer-peer architectures: centralized indexing, distributed indexing with flooded queries, and distributed indexing with hashing directed queries. Using our model, we investigate the effects of system scaling, freeloaders, file popularity and availability on system performance. In particular, we observe that a system with distributed indexing and flooded queries cannot exploit the full capacity of peer-peer systems. We further show that peer-peer file sharing systems can tolerate a significant number of freeloaders without suffering much performance degradation. In many cases, freeloaders can benefit from the available spare capacity of peer-peer systems and increase overall system throughput. Our work shows that simple models coupled with efficient solution methods can be used to understand and answer questions related to the performance of peer-peer file sharing systems. JF - INFOCOM 2003. Twenty-Second Annual Joint Conference of the IEEE Computer and Communications Societies. IEEE EP - 2198 vol.3 TI - Modeling peer-peer file sharing systems VL - 3 SP - 2188 KW - modeling KW - peer-to-peer AU - Ge, Z AU - Figueiredo, DR AU - Jaiswal, Sharad AU - Kurose, J AU - Towsley, D PY - 2003/// UR - http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=1209239 ER -