Bellows, P., Flidr, J., Gharai, L., Perkins, C., Chodowiec, P., and Gaj, K. (2005) IPsec-Protected Transport of HDTV over IP. In: Lysaght, P. and Rosentiel, W. (eds.) New Algorithms, Architectures and Applications for Reconfigurable Computing. Springer: Berlin, pp. 183-194. ISBN 1-4020-3127-0 (doi:10.1007/1-4020-3128-9_15)
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Publisher's URL: http://dx.doi.org/10.1007/1-4020-3128-9_15
Bandwidth-intensive applications compete directly with the operating system's network stack for CPU cycles. This is particularly true when the stack performs security protocols such as IPsec; the additional load of complex cryptographic transforms overwhelms modern CPUs when data rates exceed 100 Mbps. This paper describes a network-processing accelerator which overcomes these bottlenecks by offloading packet processing and cryptographic transforms to an intelligent interface card. The system achieves sustained 1 Gbps host-to-host bandwidth of encrypted IPsec traffic on commodity CPUs and networks. It appears to the application developer as a normal network interface, because the hardware acceleration is transparent to the user. The system is highly programmable and can support a variety of offload functions. A sample application is described, wherein production-quality HDTV is transported over IP at nearly 900 Mbps, fully secured using IPsec with AES encryption.
|Item Type:||Book Sections|
|Glasgow Author(s) Enlighten ID:||Perkins, Dr Colin|
|Authors:||Bellows, P., Flidr, J., Gharai, L., Perkins, C., Chodowiec, P., and Gaj, K.|
|College/School:||College of Science and Engineering > School of Computing Science|
|Journal Name:||New Algorithms, Architectures and Applications for Reconfigurable Computing|