What does ttp mean?
HTTP is a communication protocol used to transfer data between clients and servers. It uses the request-response model, where the client sends a request and the server sends a response. HTTP requests include request method, request URI, HTTP version, request headers and request body. The HTTP response contains status code, status information, HTTP version, response headers and response body. Commonly used HTTP methods include GET, POST, PUT, and DELETE.
HTTP Protocol Introduction
HTTP (Hypertext Transfer Protocol) is a protocol used for World Wide Web (WWW) transmission Data communication protocol. It sits at the application layer of the TCP/IP model and is responsible for transporting requests and responses between clients (such as browsers) and servers (such as web servers).
How the HTTP protocol works
The HTTP protocol works in a request-response model. The client sends an HTTP request to the server that contains information about the resource the client wants to access. After the server receives the request, it processes the request and sends an HTTP response containing the requested resource or an error message.
HTTP request
HTTP request consists of the following elements:
- Request method: Specifies the action that the client requests the server to perform, such as GET (get resources) or POST (send data).
- Request URI: Specifies the location of the resource requested by the client.
- HTTP version: Specify the version of the HTTP protocol used by the client.
- Request headers: Contains information about the client, such as user agent and accepted media types.
- Request body: Contains additional data sent by the client to the server, such as form data or JSON objects.
HTTP response
HTTP response consists of the following elements:
- Status code: Indicates the status of the request, such as 200 OK Or 404 Not Found.
- Status information: Provides more information about the status code.
- HTTP version: Specify the version of the HTTP protocol used by the server.
- Response headers: Contains information about the response, such as content type and cache control.
- Response body: Contains the resource or error message requested by the client.
HTTP method
HTTP protocol supports multiple request methods, the most common methods include:
- GET: Get server resources on.
- POST: Send data to the server.
- PUT: Update resources on the server.
- DELETE: Delete resources from the server.
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