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Kernel-bypass networking for fun and profit
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lca
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lca2017
--room boardwalk 12079 --force
Next: 12 Making kernel objects movable: A history and the way forward
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Marks
Author(s):
Matthew Chapman
Location
Boardwalk Gallery
Date
jan Sun 15
Days Raw Files
Start
18:50
First Raw Start
18:31
Duration
0:30:0
Offset
0:18:22
End
19:20
Last Raw End
19:31
Chapters
00:00
0:14:05
Total cuts_time
31 min.
http://linux.conf.au/schedule/presentation/134/
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In the quest for ever lower networking latencies, there are a growing number of kernel-bypass TCP/IP stacks available from various network card vendors: for example Exablaze's exasock, Solarflare's OpenOnload, Mellanox's VMA, Myricom's DBL and Chelsio's WireDirect. All of these use the LD\_PRELOAD mechanism to hijack AF\_INET socket calls and direct them to a library and ultimately the network adapter. Some are entirely implemented in userspace, while others have in-kernel support components that allow more graceful connection handling across processes. In this talk I will discuss the how and why of these stacks, with a particular focus on the exasock stack developed by my team at Exablaze.
Comment:
production notes
2017-01-16/11_31_38.ts
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seconds: 1047.0
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