在 EC2 上使用 25Gbps 的網路

Amazon EC2 上許多系列最大台的機器現在都可以透過特殊界面跑到 25Gbps 了:「Announcing improved networking performance for Amazon EC2 instances」。

Amazon EC2 instances now provide a maximum bandwidth of 25 Gbps. This feature is available on the largest instance sizes of the M4, X1, P2, R4, I3, F1, and G3 instance types. Using Elastic Network Adapter (ENA) based Enhanced Networking, customers can utilize up to 25 Gbps of bandwidth.

除了 AWS 提供的的 AMI 外,另外在一些官方作業系統也都有支援:

ENA driver is installed in the latest Amazon Machine Images (AMIs) for the following operating systems: Amazon Linux, Ubuntu 14.04 and 16.04, RHEL 7.4, SLES 12, Windows Server 2008R2, 2012, 2012R2 and 2016. ENA Linux driver source code is also available on Github.com for developers to integrate in their AMIs.

如果不在上面的,也可以透過 GitHub 上的 amzn/amzn-drivers (Official repository of the Elastic Network Adapter (ENA) network adapter for Linux and FreeBSD operating systems) 自己 porting... (如果你一定要想辦法用的話)

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