Tuesday, January 31, 2023

Aws Direct Connect Vs VPN

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Aws Vpc Peering VPN Connection And Direct Connect

AWS Direct Connect – AWS Networking

If you think you can run all the infrastructure straight away on a cloud platform, it is a myth. You will come across so many phases where you need to connect between the services which are either running on your premise or inside different vpc in the cloud. We have different methods for succeeding in these tasks: VPC peering, VPN connection, and Direct connect.

Let us now deep dive into each of the services and you decide which suits you best.

AWS VPC peering

AWS VPC peering is a networking connection between two VPCs that enables you to route traffic between them using private IPv4 addresses or IPv6 addresses. Instances in either VPC can communicate with each other as if they are within the same network. You can create a VPC peering connection between your own VPCs, or with a VPC in another AWS account. The VPCs can be in different regions .

Multiple VPC peering connections is also possible whereas transitive peering relationships are not supported.

The following diagram is an example of one VPC peered to two different VPCs. There are two VPC peering connections: VPC A is peered with both VPC B and VPC C. VPC B and VPC C are not peered, and you cannot use VPC A as a transit point for peering between VPC B and VPC C. If you want to enable routing of traffic between VPC B and VPC C, you must create a unique VPC peering connection between them.

Follow the below video for cross-region VPC peering hands-on.

AWS Direct connect

Aws Direct Connect Vs VPN Vs Direct Connect Gateway

I recently wrote about the AWS Direct Connect Gateway. The AWS Direct Connect Gateway is a new addition to the AWS connectivity space, which already includes AWS Direct Connect and a Managed VPN service. In this blog post we will explore all three and take a look at the different use-cases that they are aimed at.

Boost Resource Availability For Remote Workers

Now that the traditional network perimeter is gone and access occurs further away from network resources, its time to bring resources closer to where theyre needed. Private network gateways limit latency and boost speeds for productive and agile remote work no matter where your employees are located.

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Pricing For Aws Direct Connect

AWS Direct Connect has two billing elements: port hours and outbound data transfer. Port hourpricing is determined by capacity and connection type .

Data Transfer Out charges for private interfaces and transit virtual interfaces areallocated to the AWS account responsible for the Data Transfer. There are no additionalcharges to use a multi-account AWS Direct Connect gateway.

For publicly addressable AWS resources , if the outboundtraffic is destined for public prefixes owned by the same AWS payer account and activelyadvertised to AWS through an AWS Direct Connect public virtual Interface, the Data Transfer Out usage is metered toward the resource owner at AWS Direct Connect data transfer rate.

For more information, see AWSDirect Connect Pricing.

Aws Transit Gateway With VPN


This approach is optimal for a scalable VPN to connect multiple VPCs and customer edge devices on-premises and create VPN IPSEC tunnels. You can use AWS native tools to configure Transit Gateway VPN attachment. On the AWS end, create a VPN attachment through AWSs VPC service portal. The benefit of this configuration is allowing native attachments to act as a hub to multiple VPCs.

Key points to note:

  • Native tunnels like these are designed for basic connectivity use cases, so advanced features such as policy match, IP address masking, traffic inspection, advanced firewall analysis, etc. are not supported.
  • ECMP is supported when terminating at Transit Gateway.

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Privatize Traffic Across All Layers Ports And Protocols

Picking only one encryption solution can cause issues when resources are located in various cloud environments and users connect with their preferred device and location. With Perimeter 81 you can deploy multiple protocols at once, depending on the relevant environment and connection.

Direct Connect + VPN As Backup

  • VPN can be selected to provide a quick and cost-effective, backup hybrid network connection to an AWS Direct Connect. However, it provides a lower level of reliability and indeterministic performance over the internet
  • Be sure that you use the same virtual private gateway for both Direct Connect and the VPN connection to the VPC.
  • If you are configuring a Border Gateway Protocol VPN, advertise the same prefix for Direct Connect and the VPN.
  • If you are configuring a static VPN, add the same static prefixes to the VPN connection that you are announcing with the Direct Connect virtual interface.
  • If you are advertising the same routes toward the AWS VPC, the Direct Connect path is always preferred, regardless of AS path prepending.

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We Compare The Three Aws Network Gateways To Help You Choose The Best Option For Your Business

In November 2018, AWS launched the newest version of its native network routing service: Transit Gateway . This cloud-based network gateway allows customers to connect Virtual Private Clouds across different accounts in a hub and spoke topology, and is the third evolution in this feature set. The release was preceded by Direct Connect Gateway , which was announced in 2017, and prior to that, Virtual Private Gateway .

Navigating these options and figuring out which fits your use case can be tricky. In this blog post, well demystify each service so you can easily determine which solution is right for your business.

To start, its best to consider the requirements of your workloads as each service offers certain features but not others. The table below provides a quick overview.

Lets break down the specific benefits of each gateway and explore how they have changed over time.

What Is VPN Unlimited: Features And Working Principle

AWS re:Invent 2015: Deep Dive in AWS Direct Connect and VPNs (NET406)

Virtual Private Network, abbreviated as VPN, is a security solution that aims to protect online privacy and tear down any online blocks.

To provide you with a reliable internet experience VPN Unlimited performs the following tasks:

  • Our Virtual Private Network client ciphers both the incoming and outgoing traffic using military-grade AES-256 encryption. Thus, your traffic becomes invisible and unreadable for any unauthorized users.
  • The next step is rerouting already scrambled internet traffic through a chosen virtual server. As a result, your online activities become untraceable and your real-life identity is obscured and reliably protected from the prying eyes of cybercriminals.
  • Then VPN Unlimited masks your actual geographical location and replaces your IP address with the IP of a chosen VPN server. Thus, you can access geo-blocked and restricted content wherever you are.

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Customized Access Policy For Users And Their Devices

When all employees have the same access permissions and those permissions grant full network access, the attack surface is wide and vulnerabilities abound. Segment your network and narrow access rules to individual users and groups, with authentication enforced via identity providers.

The Dedicated Aws Direct Connect Option

While partner-hosted direct connect is super easy and fast, sometimes 10G just isnt enough. With PacketFabric, you can also get dedicated AWS Direct Connect ports with link aggregation group support, up to 100G. Learn more about hosted versus dedicated cloud connections. Even though you can get a Direct Connection directly from AWS, many PacketFabric customers choose to connect via our network because it allows them to manage many different types of connectivity, including multi-cloud connections and data center interconnection, from a single portal and vendor. In addition, with PacketFabric, you can contract on a monthly basis for all these services, giving you tremendous flexibility to change your network as requirements shift over time.

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Aws Certification Exam Practice Questions

  • Questions are collected from Internet and the answers are marked as per my knowledge and understanding .
  • AWS services are updated everyday and both the answers and questions might be outdated soon, so research accordingly.
  • AWS exam questions are not updated to keep up the pace with AWS updates, so even if the underlying feature has changed the question might not be updated
  • Open to further feedback, discussion and correction.
  • You work as an AWS Architect for a company that has an on-premise data center. They want to connect their on-premise infra to the AWS Cloud. Note that this connection must have the maximum throughput and be dedicated to the company. How can this be achieved?
  • Use AWS Express Route
  • Use AWS VPC Peering
  • A company wants to set up a hybrid connection between their AWS VPC and their on-premise network. They need to have high bandwidth and less latency because they need to transfer their current database workloads to AWS. Which of the following would you use for this purpose?
  • AWS Managed software VPN
  • AWS Direct Connect
  • AWS VPC Peering
  • An organization has established an Internet-based VPN connection between their on-premises data center and AWS. They are considering migrating from VPN to AWS Direct Connect. Which operational concern should drive an organization to consider switching from an Internet-based VPN connection to AWS Direct Connect?
  • AWS Direct Connect provides greater redundancy than an Internet-based VPN connection.
  • What Aws Direct Connect And Aws Site

    AWS Hosted Connection Webinar Series Wrap Up and Q and A

    AWS Direct Connect

    AWS Direct Connect is a high-speed, low-latency connection that allows you to access public and private AWS Cloud services from your local infrastructure. The connection is enabled via dedicated lines and bypasses the public Internet to help reduce network unpredictability and congestion.

    In one of our previous blog posts, we looked at the AWS Direct Connect and its benefits, how it works and how you can establish it. Learn more here:What is AWS Direct Connect?

    AWS Site-to-Site VPN

    Sometimes called AWS-managed VPN, AWS Site-to-Site VPN is a hardware IPsec VPN that enables you to create an encrypted connection between Amazon VPC and your private IT infrastructure over the public Internet. VPN connections allow you to extend existing on-premises networks to your VPC as if they were running in your infrastructure.

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    What Are The Features And Benefits

    Features are the methods of connecting to AWS from your on-premise network infrastructure. Many benefits that it brings are:

    • Merging your on-premises and AWS environment act like one, easier to manage
    • Sharing existing services in both infrastructures
    • No huge upfront costs for the devices and Comms Room
    • Enables you to securely access and manage your resources on AWS from the on-premises network.
    • VPN encrypts the entire traffic, so you are safe when using unsecured protocols when connecting between your and AWS network
    • Accessing instances in AWS using private IP addresses

    Direct Connect Advantages Over VPN

    AWS Managed VPNs offer private connectivity, but what they dont offer is low latency or a consistent network experience, since the Internet is a shared network, and unpredictable as a transport underlay. And Internet VPN connectivity isnt very scalable, since VPN tunnels are limited to a maximum bandwidth of 1.25 Gbps.

    Direct Connect helps on these fronts. You can get high scalability connections, up to 100 Gbps. Since the connections are private, you get higher and more consistent network performance and greater inherent security in accessing your AWS resources. Furthermore, Direct Connect is a SLA-backed service due to higher redundancy, so you get greater reliability, plus privacy for compliance or security purposes.

    Theres an additional economic benefit. With site-to-site VPN, as you scale bandwidth consumption, youre exposed to higher and more unpredictable egress charges. By comparison, Direct Connect offers lower and more predictable egress charges. So moving to Direct Connect can lead to significant savings.

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    Aws Transit Gateway Support

    Q: Which AWS Regions offer AWS Direct Connect support for AWS Transit Gateway?

    Support for AWS Transit Gateway is available in all commercial AWS Regions.

    Q: How do I create transit virtual interface?

    You can use the AWS Management Console or API operations to create transit virtual interface.

    Q: Can I allocate a transit virtual interface in another AWS account?

    Yes, you can allocate transit virtual interface in any AWS account.

    Q: Can I attach a transit virtual interface to my Virtual Private Gateway?

    No, you cannot attach transit virtual interface to your Virtual Private Gateway.

    Q: Can I attach a private virtual interface to my AWS Transit Gateway?

    No, you cannot attach private virtual interface to your AWS Transit Gateway.

    Q: What are the quotas associated with a transit virtual interface?

    Please refer to AWS Direct Connect quotas page to learn more about the limits associated with transit virtual interface.

    Q: Can I add more transit virtual interfaces to the connection?

    No, you can create only one transit virtual interface for any AWS Direct Connect connection.

    Q: I have an existing AWS Direct Connect gateway attached to a private virtual interface, can I attach a transit virtual interface to this AWS Direct Connect gateway?

    No, an AWS Direct Connect Gateway can only have one type of virtual interface attached.

    Q: Can I associate my AWS Transit Gateway to the AWS Direct Connect gateway attached to a private virtual interface?


    What Is Difference Between Aws Direct Connect And VPN

    AWS Site-to-Site VPN | AWS Direct Connect | VPC peering

    AWS Direct Connect is a fast, reliable, and secure connection to the AWS Cloud. It enables you to connect to the AWS Cloud using your own private network and the security of the AWS Cloud.

    You can use AWS Direct Connect to connect to the AWS Cloud and other AWS services in your region.

    PRO TIP:

    VPNs encrypt your traffic and send it through a remote server. This can protect your data from being intercepted by third-party attackers.

    VPNs can also provide a secure connection to the internet from anywhere in the world.

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    The Value Of Data In Motion

    The webinar kicked off looking at how enterprise application and data workflows are now flowing across a hybrid and multi-cloud core that consists of on-premises colocation-based data centers, public cloud service providers like Amazon, Azure, GCP, IBM, and Oracle, and enterprise SaaS like Salesforce and Webex.

    PacketFabric CMO Alex Henthorn-Iwane discussed various use cases that illustrate this cloud core concept. These fall into two major categories. The first is application workflows. One example is payment processing, which often runs on a hybrid or multi-cloud basis, with issuer versus merchant payments processed in different providers to avoid concentration risk. More broadly, many applications and transactional systems require services to communicate with low latency across data centers, cloud and SaaS providers, and even geographically disparate regions within a single provider.

    The other major category of use cases involve data transfers. Examples include content replication, database synchronization, backup and disaster recovery, and origin server to CDN content pulls.

    In all of these cases, the demands to move higher volumes with lower latency and faster throughput are only growing. As Alex quipped, Nobody in IT is being asked to make things run slower!

    Comparison: Aws Direct Connect Vs VPN

    In this article, you will learn:

    AWS provides you with a variety of services to connect your on-premises infrastructure to the Amazon VPC , which also offers a route to creating a hybrid cloud. You can utilize AWS Site-to-Site VPN or AWS Direct Connect services to do this. Although both are useful options, you may find that one or both of them are more suitable for your business needs.

    In this blog post, you will learn more about the differences and benefits of AWS Site-to-Site VPN and AWS Direct Connect, so you can decide on which service is useful to you or if you need to combine them.

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    High Availability And Resilience

    Q: Does having a link aggregation group make my connection more resilient?

    No, a LAG doesn’t make your connectivity to AWS more resilient. If you have more than one link in your LAG, and if your minimum links are set to one, your LAG will let you protect against single link failure. However, it will not protect against a single device failure at AWS where your LAG is terminating.

    To achieve high availability connectivity to AWS, we recommend making connections at multiple AWS Direct Connect locations. Refer to AWS Direct Connect Resiliency Recommendations to learn more about achieving highly available network connectivity.

    Q: How do I order connections to AWS Direct Connect for high availability?

    We recommend following the resiliency best practices detailed in the AWS Direct Connect Resiliency Recommendations page to determine the best resiliency model for your use case. After selecting a resiliency model, the AWS Direct Connect Resiliency Toolkit can guide you through the process of ordering redundant connections. AWS also encourages you to use the Resiliency Toolkit failover test feature to test your configurations before going live.

    Each dedicated AWS Direct Connect connection consists of a single dedicated connection between ports on your router and an AWS Direct Connect device. We recommend establishing a second connection for redundancy. When you request multiple ports at the same AWS Direct Connect location, they will be provisioned on redundant AWS equipment.

    Connect Your Data Center To Aws

    What kind of throughput can I expect from the AWS Transit Gateway (TGW ...

    AWS Direct Connect enables you to securely connect your AWS environment to your on-premises data centre or office location over a standard 1Gb or 10Gb Ethernet fibre-optic connection. AWS Direct Connect offers dedicated high speed, low latency connection, which bypasses internet service providers in your network path. An AWS Direct Connect location provides access to Amazon Web Services in the region it is associated with, as well as access to other US regions. AWS Direct Connect allows you to logically partition the fibre-optic connections into multiple logical connections called Virtual Local Area Networks . You can take advantage of these logical connections to improve security, differentiate traffic, and achieve compliance requirements.

    Use AWS Direct Connect to securely link your on-premises environment to AWS

    Data Center to AWS setup demands in-depth planning by the network team.

    In most cases or thinking long term 10Gb resilient uplinks will be most suitable for an organisation. Additionally, a new scope of IP addresses needs to be allocated at AWS VPC and it mustnt conflict with anything that you have in the Data Center. A BGP dynamic routing protocol will be configured to allow reachability between the AWS and on-premies environments.

    Firewall rule-policy will surge in size at your Edge, Extranet and LAN points.

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