Reduce Packet Processing Time on Amazon Linux EC2 Instance
Question
You're planning to host an application on an Amazon Linux EC2 Instance.
You have a requirement to reduce the amount of time it takes to process packets on the EC2 instance.
Which of the following can be used for this requirement?
Answers
Explanations
Click on the arrows to vote for the correct answer
A. B. C. D.Answer - B.
DPDK is the Data Plane Development Kit that consists of libraries to accelerate packet processing workloads running on a wide variety of CPU architectures.
For more information on the Data Plane Development Kit, please visit the below URL:
https://www.dpdk.org/Option A is INCORRECT because the question is referring to Linux EC2 instances.
Option C is INCORRECT because this strategy only enables workloads to achieve the low-latency network performance necessary for tightly-coupled node-to-node communication typical of HPC applications.
However, this cannot ensure "packet performance" as noted in the question.
Option D is INCORRECT because just increasing the MTU to 12,000 will not ensure "packet performance" as the question does not specifically say to increase just the MTU alone.
The correct answer is B. Consider using the Data Plane Development Kit.
Explanation: The Data Plane Development Kit (DPDK) is a set of libraries and drivers that allow for faster packet processing in Linux-based systems. By bypassing the operating system's network stack, DPDK enables direct access to the network interface card (NIC) for faster packet processing. This can significantly reduce the amount of time it takes to process packets on an EC2 instance.
Option A, using an Instance that supports the Windows AMI, is not relevant to the requirement of reducing packet processing time on a Linux EC2 instance. Windows AMIs are designed for Windows operating systems and may not be suitable for hosting a Linux application.
Option C, considering using Cluster placement groups for the Linux EC2 instances, can improve network performance by placing instances in a low-latency network topology within a single Availability Zone. However, it does not directly address the requirement of reducing packet processing time.
Option D, considering using an MTU of 12,000, can improve network performance by increasing the maximum transmission unit (MTU) size, allowing for larger packets to be sent and received. However, it may not necessarily reduce the amount of time it takes to process packets on the EC2 instance. Additionally, using an MTU of 12,000 may not be supported by all network devices, and could result in packet fragmentation and lower performance.
Therefore, the best option to reduce packet processing time on an Amazon Linux EC2 instance is to consider using the Data Plane Development Kit (DPDK).
