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ljaerj
ljaerj

Reputation: 157

multiple elastic network interfaces to increase bandwidth

In AWS environment, Adding multiple elastic network interfaces to the EC2 instance can increase the network bandwidth, is it true?

Upvotes: 5

Views: 2183

Answers (3)

yuranos
yuranos

Reputation: 9715

It's one of the questions asked in AWS Solution Architect exams and the answer is most definitively "No".

However, there are other factors that can impact network bandwidth. Placement groups and Jambo frames can be an option for cases when you run an ensemble of instances that need an enhanced communication between themselves.

If you want an improved bandwidth overall, check ENA(Enhanced Network Adapter). It can provide up to 25 Gbps for certain connection types.

Upvotes: 1

gboda
gboda

Reputation: 1494

To increase available bandwidth and PPS within EC2, first create a Placement Group then launch EC2 instance types that support 10Gbps interfaces and SR-IOV (aka. Enhanced Networking).

Upvotes: 0

Tom
Tom

Reputation: 2888

No this is not, the underlying hardware will not increase when you add a virtual NIC :) to increase bandwith you have to select bigger instance types

Upvotes: 8

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