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ZCopy-Vhost: Replacing Data Copy With Page Remapping in Virtual Packet I/O
2019
IEEE Access
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INDEX TERMS Network I/O virtualization, virtio/vhost, zero-copy vhost, virtual switch. ...
For network systems, it needs to provide additional virtual switching, the virtual packet I/O, and other functions. Providing these features requires a lot of CPU resources. ...
CONCLUSION The paper present ZCopy-vhost, which can eliminate the data copy between the VM and the host in virtual I/O by replacing data copy with page remapping. ...
doi:10.1109/access.2019.2911905
fatcat:kggax6pe3rgxbjeixq2eb3blgm
Software Physical/Virtual Rx Queue Mapping toward High-Performance Containerized Networking
2021
IEEE Transactions on Network and Service Management
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Virtual network I/O, a mechanism of packet transferring between a guest and the host, has been seen as the performance bottleneck in the PVP (Physical-Virtual-Physical) datapath, and one of the main causes ...
The pluggable style of IOVTee for vhost-user (the de-facto virtual network I/O) enables our approach to be transparent to both containers/VMs and virtual switches. ...
ZCopy-Vhost [36] adopts a page swapping technique to achieve zero-copy at virtual packet I/O. ...
doi:10.1109/tnsm.2020.3049053
fatcat:bw37hjtp3vcgjkoqtr4atbusia