Application Layer

Application Layer

The Application layer is the uppermost layer of the OSI model. It delivers and receives data to and from users. This is done by providing means for receiving input, or displaying output data, which then makes its way to lower layers. This is an overview of how your communications partner (e.g. process, software) communicates with other applications or devices. Computer programs have different layers that work together to provide a service. The application layer handles data input and output processing, which includes providing interfaces & services to the user and other technical tasks.

The application layer in networking standardizes data so it can be compatible with different networks. For example, an email that is sent from one network using a different protocol can still provide the same experience when it arrives for its recipient.

Application Layer rely on the Lower-Level Services, such as Data Integrity (if data has been changed during transit), Reliability (if it was received), Duplicate Delivery, and Sequencing (to deliver the data in order). 

    • Related Articles

    • Direct Marketing

      Marketing that is delivered directly to the customer via the company selling a product. It’s often called direct response marketing. It typically includes a call to action (CTA) requesting a desired response such as calling a phone number or visiting ...

    • Digital Marketing

      Any marketing that uses electronic devices to convey promotional messaging and measure its impact. In practice, digital marketing typically refers to marketing campaigns that appear on a computer, phone, tablet, or other device. It can take many ...

    • Integrated Marketing

      The practice of aligning all marketing tactics to the same core messaging for a consistent customer experience with your brand. Through integrated marketing, communications tactics such as display ads, landing pages, email marketing, direct mail, and ...

    • Inbound Marketing

      A marketing strategy that encourages people to actively seek out and engage with your brand. Social media, content marketing (such as sponsored content and blogs), and search engine optimization (SEO) are common tactics. Inbound marketing offers ...

    • Nonprofit Marketing

      Marketing with objectives that advance a nonprofit organization’s cause versus driving a business’s profitability. This is also referred to as “cause marketing.” Common goals for nonprofit marketing initiatives include raising awareness, increasing ...