| Publisher | Virginia Polytechnic Institute and State University | ||
|---|---|---|---|
| Format | 1.6MB PDF | Date added | 01 Jan 2007 |
| Topics | Ethernet, TCP - IP | ||
| Downloads | 0 | ||
This paper analyzes the interactions between the protocol stack (TCP/IP or iWARP over 10-Gigabit Ethernet) and its multicore environment. Specially, for host-based protocols such as TCP/IP, one notices that a significant amount of processing is statically assigned to a single core, resulting in an imbalance of load on the different cores of the system and adversely impacting the performance of many applications. For host-offloaded protocols such as iWARP, on the other hand, the portions of the communication stack that are performed on the host, such as buffering of messages and memory copies, are closely tied with the associated process, and hence do not create such load imbalances.
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