Despite high potential and flexibility in developing new functionalities and mechanisms, as well as the availability of wellestablished networking SW, common criticism of Software Routers, based on COTS HW elements and open-source SW, is mainly focused on performance, especially for issues concerning the data plane. In this respect, our contribution is aimed at evaluation of architectural bottlenecks limiting the scalability of Software Router performance, and identification of SW and HW enhancements needed to overcome these limitations. Starting from these considerations, we propose a feasible Software Router HW/SW solution able to boost data plane performance while maintaining the flexibility level typical of a SW approach.
PC-based Software Routers: High Performance and Application Service Support
BOLLA, RAFFAELE;BRUSCHI, ROBERTO
2008-01-01
Abstract
Despite high potential and flexibility in developing new functionalities and mechanisms, as well as the availability of wellestablished networking SW, common criticism of Software Routers, based on COTS HW elements and open-source SW, is mainly focused on performance, especially for issues concerning the data plane. In this respect, our contribution is aimed at evaluation of architectural bottlenecks limiting the scalability of Software Router performance, and identification of SW and HW enhancements needed to overcome these limitations. Starting from these considerations, we propose a feasible Software Router HW/SW solution able to boost data plane performance while maintaining the flexibility level typical of a SW approach.
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