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The EventSource API is standardized as part of HTML Living Standard [1] by the WHATWG. The media type for SSE is text/event-stream . All modern browsers support server-sent events: Firefox 6+, Google Chrome 6+, Opera 11.5+, Safari 5+, Microsoft Edge 79+.
The WebSocket protocol is implemented in different web browsers, web servers, and run-time environments and libraries acting as clients or servers. The following is a table of different features of notable WebSocket implementations.
Under HTTP 1.0, connections should always be closed by the server after sending the response. [1]Since at least late 1995, [2] developers of popular products (browsers, web servers, etc.) using HTTP/1.0, started to add an unofficial extension (to the protocol) named "keep-alive" in order to allow the reuse of a connection for multiple requests/responses.
WAMP is a WebSocket subprotocol registered at IANA, [1] specified [2] to offer routed RPC and PubSub. Its design goal [3] is to provide an open standard for soft, real-time message exchange between application components and ease the creation of loosely coupled architectures based on microservices.
HTTP pipelining is a feature of HTTP/1.1, which allows multiple HTTP requests to be sent over a single TCP connection without waiting for the corresponding responses. [1] HTTP/1.1 requires servers to respond to pipelined requests correctly, with non-pipelined but valid responses even if server does not support HTTP pipelining.
The original DARPA Internet Protocol's RFC describes [1]: §1.4 TTL as: . The Time to Live is an indication of an upper bound on the lifetime of an internet datagram.It is set by the sender of the datagram and reduced at the points along the route where it is processed.
Therefore, HTTP/1.1 added status codes 303 and 307 to distinguish between the two behaviours. [1]: §15.4 303 See Other (since HTTP/1.1) The response to the request can be found under another URI using the GET method. When received in response to a POST (or PUT/DELETE), the client should presume that the server has received the data and should ...
While a hardware appliance can limit the rate for a given range of IP-addresses on layer 4, it risks blocking a network with many users which are masked by NAT with a single IP address of an ISP. Deep packet inspection can be used to filter on the session layer but will effectively disarm encryption protocols like TLS and SSL between the ...