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Getyn UDP Transfer Acceleration

Transfer rates faster than TCP based browser services

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What Is TCP?

This protocol has reliability mechanisms built into it, meaning that the sender will automatically re-transmit a TCP package to the receiver if it got somehow lost on the way.

TCP: The Backbone Of The Internet

Firewalls, Routers, and Switches are heavily optimized for TCP traffic, which makes TCP the natural choice for most tasks done on the internet today. Web browsers, Email clients, Facebook, Instagram, Snapchat, Stock tickers, Spotify, Slack, and FTP Clients are some of the applications which typically use TCP. If you are using a file transfer solution via a browser, then more than likely it is using TCP.

Ensuring Reliability: The Role Of Ack Messages In TCP

When a recipient receives a TCP package, an ACK (Acknowledge) message is sent back, to confirm to the sender that the package has been correctly received. This relatively simple mechanism makes the TCP protocol very reliable and easy-to-use for developers.
Sending ACK messages to the sender can seriously limit performance (since the sender must wait for the ACK of package-1 before sending package-2). To alleviate some of the issues plauging TCP, many improvements have been made to the protocol through the years.

Scalable Window Size
Enables the sender to send multiple packages and wait for multiple ACK’s at the same time. The data sent but not yet ACK-ed is often referred to as Data In Flight. The sender has a limit on how much data it can have in flight, meaning that the sender does not send data to the receiver faster than the receiver can handle.
Bandwidth Throttling
This essentially enables a 10 Mbit client to communicate with a 1000 Mbit server without being overwhelmed with traffic from the server. In TCP it is based on the idea that there should only be a certain number of data in flight at any given time.
Selective ACKs
Enable the recipient to receive ACK packages in any order. If package-1 got lost then it does not hinder package-2 to be sent and ACK-ed before resending package-1.
Reliable But Slow
The Drawbacks of TCP

When sending TCP traffic over a large geographical distance the performance drops significantly. As traffic (and ACKs) must travel through more routers and network infrastructure to get to the recipient it takes more time.

The time it takes is referred to as latency. If you are browsing a website hosted in the same country the latency is sometimes as low as 10 milliseconds. When browsing a website hosted on another continent you’ll immediately see that the pages take longer to load due to increased latency.

The latency problem of TCP becomes extremely apparent when transferring files across continents. Both the sender and the recipient might be on amazing 1000/1000 megabit connections but get only 10 megabit effective network bandwidth when transferring files due to latency that prevents them from communicating effectively when using TCP.

What is UDP?

UDP is the sibling of TCP. The main difference is that a UDP package is never ACK-ed. The sender has no idea if the UDP package made it to the recipient so it is not a reliable protocol. But it is blazing fast since there is no ACK-ing.

UDP: Prioritising Speed Over Reliability

UDP is great at video calls and online games. In these cases, it does not matter if a few UDP packages are dropped. The UDP packages are continuously sent so you won't notice it in the video stream. Same with online games you'll get a new UDP package with the latest updates within a few milliseconds. Losing a few UDP packages now and then isn't a problem. It's more important to transfer data quickly with the lowest latency possible.

Making UDP Reliable For File Transfers

UDP initially might seem like a horrible choice for file transfer. The total lack of reliability would mean corrupt files all over the place because of dropped UDP packages. The lack of bandwidth throttling would lead to clients being flooded with traffic and essentially going offline. For UDP to be useful for transferring files it needs to be reliable in the same way TCP is. For a start, the dropped packages need to be resent and bandwidth throttling must be possible. Security needs to be addressed as well.

Security
All UDP data traffic is protected by AES Galois/Counter Mode (AES-GCM) encryption. This is the gold standard within encryption as of today and it ensures that the data being transferred can’t be intercepted by a third party. Each transfer session has a separate key, the key is exchanged between the client and server using Rivest-Shamir-Adleman (RSA) encryption.
Hardware Accelerated Encryption
Getyn UAP utilizes the AES-NI instruction set introduced by AMD and Intel a few years back. This instruction set enables Getyn UAP to use dedicated hardware components for the encryption and decryption of data. This makes a huge difference when it comes to transferring speeds. AES-NI is supported on operating systems such as Microsoft Windows, macOS, Linux, iOS, and Android. Hardware manufacturers such as Intel, AMD, ARM, VIA, Atmel, Samsung, Qualcomm, NXP, and Broadcom support it as well.
Software & Hardware Requirements
Getyn UAP is written in low-level C++ and can run on virtually all devices and operating systems. Binary releases are currently available for Windows, macOS, and Linux. Getyn Desktop is our flagship transfer tool that utilizes UAP. Console applications are also available. The Getyn UAP has been heavily optimized and has an extremely low memory footprint of only a few megabytes, while still maximizing bandwidth throughput. It also typically uses less than 5% CPU when sending files at max speed.
Bi-Directional Transfer Acceleration
Getyn UAP is used both when uploading and downloading files with Getyn Desktop. This means that you AND your customers and business partners can take advantage of this technology.
Getting Started With Getyn UDP Transfer Acceleration

Getyn UDP Transfer Acceleration is integrated into our Getyn Desktop application and is enabled automatically when sending and downloading files. UDP Transfer Acceleration is available on our Business and Enterprise plans.

Send Large Files Free
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Frequently Asked Questions
  • What is Getyn G-Suite?

    Getyn G-Suite is an all-in-one subscription package that provides access to a variety of Getyn apps, including CRM, Social, Campaigns, Helpdesk, and more. It features a centralized administration panel, allowing you to easily manage licenses, group policies, and team members in one convenient place.

  • What is included in the Getyn Suite plan?

    G-Suite plan gives you an access to all Getyn apps within the ecosystem. Also, you get 5 free users for each Getyn app with 1 G-Suite license. You can easily customise your G-Suite plan by adding more G-Suite licenses or by adding individual app users from the G-Suite admin panel.

  • Can I buy individual apps plan instead of a G-Suite.

    No. We no longer sell individual apps licenses or users. You have to signup for a G-Suite plan to access any of our apps & services.

  • What are the limitations on Getyn applications included in the Getyn Suite plan?

    Application Limitation
    Getyn Suite 1 G-Suite license comes with 5 free users for each app. For extra users, you can either buy more G-Suite licenses or add individual users from your G-Suite admin panel. Pricing for additional individual app users starts at $9/user.
    Getyn Campaigns We only provide Email/SMS sending & automation software that you can connect with 100+ supported smtp servers. You need to directly buy email sending credits from the supported smtp servers like amazon SES, elasticemail etc. We do provide email verification & SMS marketing credits, that you can request by emailing us at [email protected]
    Getyn Voice Phone number cost and calling minutes are not included in the G-Suite license. You can buy phone number and calling minutes directly from the Getyn Voice dashboard.
    Getyn Sites Getyn Sites Getyn Sites includes one website license in the G-Suite Plan. You can upgrade anytime with addtional packs.
  • How do I share files with Getyn Share?

    Select the files or folders you wish to send by either dragging and dropping them or utilizing the "Add Files" or "Add Folder" buttons.

    Provide both your email address and the recipient's email address to send large files through email. Alternatively, opt to receive a shareable link.

    Verify your choice and upload the files by selecting the "Send" option. To ensure fast transfer rates we'll upload them to the closest secure Getyn Share server.

    After hosting your files on our secure cloud storage, we create a link and dispatch it to your designated recipients. Alternatively, you have the flexibility to share links to the files you shared.

  • How can I share folders?

    Sharing files and folders with our file sharing service is as easy as sharing files. When you want to add folders rather than individual files, you just drag and drop, or select the folder you want to share. After uploading the folder to our servers, we will promptly notify the desired recipients via email or provide you with a shareable link.

  • Where are my shared files stored?

    We upload files to servers in your region, ensuring the fastest transfer rates and compliance with regional legislation. With a paid account, you have the flexibility to store your files in a region of your choosing.

  • How can I get faster upload and download speeds?

    Your ISP defines the maximum speed you can attain. However, this speed is often the potential theoretical maximum that doesn't take into account real-world conditions. These conditions may include the number of people sharing the internet connection with you. Other conditions include the number of other apps within your local network using the internet, and regional traffic conditions.

    What can also slow you down is the connection used by your browser, which is a TCP-based connection. TCP will not utilize your full bandwidth, and it has some processes that can further reduce transfer rates.

    If you want to achieve blistering fast transfer rates, you should use our UDP-based desktop apps. They will allow you to utilize your entire bandwidth. There is a setting within the app that enables you to configure how much of your bandwidth you want to use. However, consider that sharing an internet connection, network, and regional traffic conditions can still limit your transfer rate. For more information about the differences between TCP and UDP, check out our page on UDP Transfer Acceleration.

  • Can I password protect shared folders and files?

    Certainly! If you are sharing sensitive information, or highly value your privacy, or both, we recommend that you password protect what you share. All our subscription plans allow you to use a password to protect your shared content.

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