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Software Defined Networking (SDN) provides efficient network and traffic management for data center network. As underlying devices in SDN, SDN switches must maintain a large number of hardware counters. Implementation of these counters faces serious challenges for SDN switches, i.e., High memory consumption and inflexibility. Thus, we previously proposed Software Defined Hardware Counters (SDHC),...
Network processing platform based on the multi-core CPU becomes more and more prevailing in nowadays. Buffer allocation/deallocation operations consume a large number of CPU cycles in packet I/O process. The problem becomes even worse in the scenario of packet forwarding, as buffer allocation/deallocation operations are more frequent than the host-based network applications. We thus propose a novel...
Most network services are provided by middle boxes at present. However middle boxes would cause many issues such as robustness, security and so on. The latest studies put forward the outsourcing mechanism to solve these problems. Given the benefits of FPGA (Field Programmable Gate Array) in reconfiguration and packet processing, we propose Search, an architecture that enables FPGA-based platforms...
Influenced by cloud computing and emerging software define network(SDN), today's Internet is changing. In this exciting background, how to deploy middle box functions is widely studied. Main trend is enterprise should outsourcing its middle box functionalities to third party, such as to public cloud[8] or to feather provider[7]. In this paper, we argue that we should not only study where to deploy...
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