Windows Azure 名詞定義（Glossary）

Glossary（名詞） Definition（定義） Availability Set
可用性組 refers to two or more Virtual Machines deployed across different Fault Domains to avoid a single point of failure.
指爲避免單點故障而在不同故障域部署的兩臺或更多虛擬機。 Cloud Services
雲計算服務 refers to a set of compute resources utilized for Web and Worker Roles.
指用於 Web 角色和 Worker 角色的一套計算資源。 Web Role
Web 角色

is a Cloud Services component run in the Windows Azure execution environment that is customized for web application programming as supported by IIS and ASP.NET.

指在 Windows Azure 執行環境中運行的雲計算服務組件，它針對 Web 應用程序編程而定製，受 IIS 和 ASP.NET 支持。

Worker Role
Worker 角色

is a Cloud Services component run in the Windows Azure execution environment that is useful for generalized development, and may perform background processing for a Web Role.

指在 Windows Azure 執行環境中運行的雲計算服務組件，它對於一般性的開發很有用，並可能爲 Web 角色執行後臺處理任務。

External Connectivity
外部連通性 is bi-directional network traffic over supported protocols such as UDP and TCP that can be sent and received from a public IP address.
指可使用支持的協議（如 UDP 和 TCP）通過公共 IP 地址發送和接收的雙向網絡流量。 Fault Domain
故障域

is a collection of servers that share common resources such as power and network connectivity.

指共享公共資源（如電源和網絡連接）的一組服務器。

Update Domain
更新域

refers to a set of Windows Azure instances to which platform updates are concurrently applied.

指一組 Windows Azure 實例，將同時對這些實例應用平臺更新。

Service/Services
服務

refers to the Windows Azure Cloud Services, Virtual Machines, and Virtual Network provided to Customer pursuant to the Agreement.

指根據協議提供給客戶的 Windows Azure 雲計算服務、虛擬機和虛擬網絡。

Tenant
租戶 represents one or more roles each consisting of one or more role instances that are deployed in a single package.
指一個或多個角色，每個角色由在單個包中部署的一個或多個角色實例組成。 Virtual Machine
虛擬機

refers to persistent instance types that can be deployed individually or as part of an Availability Set.

指可單獨部署或作爲可用性組的一部分進行部署的持久化實例類型。

Virtual Network
虛擬網絡

is a service supported by Windows Azure that enables customers to extend their corporate network to the cloud. The Virtual Network service consists of two parts: a VNet and a Virtual Network Gateway.

指 Windows Azure 支持的一項服務，客戶能夠利用該服務將企業網絡擴展到雲。虛擬網絡服務由兩部分組成：VNet 和虛擬網絡網關。

Virtual Network Gateway
虛擬網絡網關

refers to a Windows Azure service that facilitates cross-premises connectivity between one Virtual Network and one customer on-premises network over IPsec VPN.

指 Windows Azure 的一項服務，它能夠通過 IPsec VPN 提供一個虛擬網絡與一個客戶本地網絡之間的遠程連通性。

VNet refers to a virtual private network consisting of a collection of user-defined IP addresses and subnets that form a network boundary within Windows Azure. VNets support IP addresses as defined in RFC 1918.
指虛擬專用網絡，它由一組用戶自定義的 IP 地址和子網組成，從而構成 Windows Azure 的網絡邊界。VNet 支持 RFC 1918 中定義的 IP 地址。