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+Copyright 2016 Tokio contributors
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
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+Copyright (c) 2016 Tokio contributors
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+# Tokio
+Tokio is a one-stop-shop for all your async I/O needs in Rust. At the heart of
+Tokio is the [`futures`] crate to model asynchronous computations, and you'll
+find all layers from futures to event loops to protocols to services in the
+various Tokio crates.
+> **Note**: Currently the Tokio project is a work in progress, so breakage
+> should be expected. Crates will be published to as they
+> begin to stabilize, and this repository itself will eventually be
+> home to a `tokio` crate as well. Stay tuned for updates!
+## What is Tokio?
+Tokio is a an async I/O stack in Rust running the full gamut in terms of what it
+provides. At the very bottom you'll find the [`tokio-core`] crate with a
+bare-bones event loop and `Future` spawning. Near the top you'll find the
+[`tokio-proto`] crate with generic implementations of protocol details like
+pipelining and multiplexing used to serve requests to the [`Service`] trait in
+[`tokio-service`] inspired by [Finagle].
+The Tokio project is split into a number of crates to encapsulate
+responsibilities and encourage reuse. Some layers of the Tokio stack are more
+"opinionated" than others, for example with a particular buffering strategy.
+Currently the lowest layers, [`tokio-core`] and [`tokio-service`], are intended
+to be zero-to-very-low cost abstractions while moving up to crates like
+[`tokio-proto`] may not be zero cost for some applications.
+It's intended that the `tokio` crate (not existent yet) is generally what you'll
+want for async I/O, and more specialized applications can use the dependencies
+individually. This document is then intended to help you navigate what's
+## Tokio Crates
+* [`tokio-core`] - the core I/O event loop for all of Tokio
+* [`tokio-service`] - definition of the `Service` trait for applications wishing
+ to define a service or work with middleware.
+* [`tokio-proto`] - protocol implementation utilities such as
+ pipelining/multiplexing
+* [`tokio-curl`] - a sample HTTP client backed by libcurl
+* [`tokio-socks5`] - a sample SOCKSv5 proxy server
+* [`tokio-line`] - a sample line-based protocol for using [`tokio-proto`]
+* [`tokio-middleware`] - collection of middleware using the [`tokio-service`] crate
+* [`tokio-minihttp`] - a mini HTTP server implementation intended to showcase
+ [`tokio-proto`]
+* [`tokio-redis`] - an implementation of the Redis protocol using
+ [`tokio-proto`]
+* [`tokio-timer`] - a timer wheel and other timer-related functions for use with
+ an event loop
+* [`tokio-tls`] - an implementation of TLS/SSL streams used by
+ [`tokio-minihttp`] for an SSL server
+* [`tokio-uds`] - Unix domain sockets for [`tokio-core`]
+### Third-party Tokio Crates
+In addition to the crates above in the `tokio-rs` organization, there are a few
+crates outside the organization which integrate with Tokio:
+* [`tokio-dns`] - asynchronous DNS resolution and utilities
+* [`tokio-signal`] - Unix signal handling and Windows console control events
+* [`tokio-process`] - process management and spawning
+## Current Status
+A bottom-up approach is currently being used to stabilize pieces and enable more
+and more applications to build on the stable portions of Tokio. The [`futures`]
+crate recently published 0.1, and the Tokio crates are intended to follow suit
+soon. Listed below is a table of the current status of each crate.
+| Crate | Status |
+| [`tokio-core`] | [Nearly 0.1]( |
+| [`tokio-service`] | Nearly 0.1 |
+| [`tokio-proto`] | Waiting on `tokio-core`, next major piece |
+| [`tokio-curl`] | Waiting on `tokio-core` |
+| [`tokio-timer`] | Waiting on `tokio-core` |
+| [`tokio-tls`] | Waiting on `tokio-core` and `native-tls` |
+| [`tokio-uds`] | Waiting on `tokio-core` |
+| [`tokio-middleware`] | Planned soon after `tokio-service` |
+Note that the following example projects are not currently intended to be
+published on
+* [`tokio-socks5`]
+* [`tokio-line`]
+* [`tokio-minihttp`]
+* [`tokio-redis`]
+## License
+Tokio is primarily distributed under the terms of both the MIT license
+and the Apache License (Version 2.0), with portions covered by various
+BSD-like licenses.
+See LICENSE-APACHE, and LICENSE-MIT for details.

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