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colorful-board 2017-10-13 15:28:45 +09:00
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@ -1318,7 +1318,7 @@ def set_user(user_id, values):
* [Little's law](https://en.wikipedia.org/wiki/Little%27s_law) * [Little's law](https://en.wikipedia.org/wiki/Little%27s_law)
* [メッセージキューとタスクキューの違いとは？](https://www.quora.com/What-is-the-difference-between-a-message-queue-and-a-task-queue-Why-would-a-task-queue-require-a-message-broker-like-RabbitMQ-Redis-Celery-or-IronMQ-to-function) * [メッセージキューとタスクキューの違いとは？](https://www.quora.com/What-is-the-difference-between-a-message-queue-and-a-task-queue-Why-would-a-task-queue-require-a-message-broker-like-RabbitMQ-Redis-Celery-or-IronMQ-to-function)
## Communication ## 通信
<p align="center"> <p align="center">
<img src="http://i.imgur.com/5KeocQs.jpg"> <img src="http://i.imgur.com/5KeocQs.jpg">
@ -1328,27 +1328,28 @@ def set_user(user_id, values):
### Hypertext transfer protocol (HTTP) ### Hypertext transfer protocol (HTTP)
HTTP is a method for encoding and transporting data between a client and a server. It is a request/response protocol: clients issue requests and servers issue responses with relevant content and completion status info about the request. HTTP is self-contained, allowing requests and responses to flow through many intermediate routers and servers that perform load balancing, caching, encryption, and compression. HTTP はクライアントとサーバー間でのデータをエンコードして転送するための手法です。リクエスト・レスポンスに関わるプロトコルです。クライアントがリクエストをサーバーに投げ、サーバーがリクエストに関係するコンテンツと完了ステータス情報をレスポンスとして返します。HTTPは自己完結するので、間にロードバランサー、キャッシュ、エンクリプション、圧縮などのどんな中間ルーターが入っても動くようにできています。
A basic HTTP request consists of a verb (method) and a resource (endpoint). Below are common HTTP verbs: 基本的なHTTPリクエストはHTTP動詞(メソッド)とリソース(エンドポイント)で成り立っています。以下がよくあるHTTP動詞です。:
| Verb | Description | Idempotent* | Safe | Cacheable | | 動詞 | 詳細 | 冪等性* | セーフ | キャッシュできるか |
|---|---|---|---|---| |---|---|---|---|---|
| GET | Reads a resource | Yes | Yes | Yes | | GET | リソースを読み取る | Yes | Yes | Yes |
| POST | Creates a resource or trigger a process that handles data | No | No | Yes if response contains freshness info | | POST | リソースを作成するもしくはデータを処理するトリガー | No | No | Yes
| PUT | Creates or replace a resource | Yes | No | No | レスポンスが新しい情報を含む場合 |
| PATCH | Partially updates a resource | No | No | Yes if response contains freshness info | | PUT | リソースを作成もしくは入れ替える | Yes | No | No |
| DELETE | Deletes a resource | Yes | No | No | | PATCH | リソースを部分的に更新する | No | No | Yes レスポンスが新しい情報を含む場合 |
| DELETE | リソースを削除する | Yes | No | No |
*Can be called many times without different outcomes.* *何度呼んでも同じ結果が返ってくること*
HTTP is an application layer protocol relying on lower-level protocols such as **TCP** and **UDP**. HTTPは**TCP** や **UDP** などの低級プロトコルに依存しているアプリケーションレイヤーのプロトコルである。
#### Source(s) and further reading: HTTP #### その他の参考資料、ページ: HTTP
* [What is HTTP?](https://www.nginx.com/resources/glossary/http/) * [HTTPってなに?](https://www.nginx.com/resources/glossary/http/)
* [Difference between HTTP and TCP](https://www.quora.com/What-is-the-difference-between-HTTP-protocol-and-TCP-protocol) * [HTTP と TCPの違い](https://www.quora.com/What-is-the-difference-between-HTTP-protocol-and-TCP-protocol)
* [Difference between PUT and PATCH](https://laracasts.com/discuss/channels/general-discussion/whats-the-differences-between-put-and-patch?page=1) * [PUT と PATCHの違い](https://laracasts.com/discuss/channels/general-discussion/whats-the-differences-between-put-and-patch?page=1)
### Transmission control protocol (TCP) ### Transmission control protocol (TCP)