What configuration should I choose when purchasing a cloud server? I think this is a lot of novice friends will ask questions, so today xiaobian to give you a little bit of advice! The following small series to the most well-known cloud service providers in China – Ali Cloud as an example.
Coupon for more discounts:Ali cloud server ECS exclusive coupons
Discount portal:Ali cloud 2 discount cloud server exclusive discount
The configuration selection of Ali Cloud server is related to the type, traffic, data volume, program quality and other factors of the website or application. It is recommended to communicate with the development and technical personnel of your website or application to choose the most suitable configuration for you.
If you do not have technical staff to provide advice, you can refer to the server bar xiaobian to configure the choice. The initial site access is small, and only a low-configuration server (for example, 1 core, 2 gbit/s, 1 mbit/s bandwidth, 2 core, 2 GBIT/s bandwidth, and 2 mbit/s bandwidth) is required. All resources, such as applications, databases, and files, are stored on one server. At present, these two Ali cloud servers enjoy a 20% discount.
Ali cloud server has a strong elastic expansion and rapid opening capacity. As services grow, you can increase the CPU, memory, hard disk, and bandwidth configurations of servers or increase the number of servers at any time. In this way, you do not need to worry about the resource shortage caused by the sudden increase of services caused by servers with low configuration.
1. What is cloud server ECS?
Elastic Compute Service (ECS) cloud server Elastic Compute Service (ECS) is a basic computing Service provided by Ali Cloud. Individuals or enterprises do not need to purchase any hardware devices in advance. Instead, they can create as many cloud server instances as required, and expand the disk capacity and bandwidth of cloud servers as services expand. If the cloud server is no longer needed, it can easily release resources and save costs.
Help individuals or enterprises quickly build stable and secure applications, improve operation and maintenance efficiency, reduce IT costs, and focus more on the development and innovation of core business.
Example 2.
Instance is the most core part of ECS products. An ECS instance of cloud server is equivalent to a virtual machine, including CPU, memory, operating system, network, disk and other basic computing components. Cloud servers can use network, storage, snapshots and other resources only if they are instance-based.
3. Instance specification family
An instance is the smallest unit that can provide computing services for your business, and it provides you with the corresponding computing power in a certain specification. ECS instances can be divided into multiple specification families based on business scenarios and usage scenarios. The same specification family can be divided into different specifications based on CPU and memory configurations. ECS instance specifications define the two basic attributes of the instance: CPU and memory configuration (including CPU model and dominant frequency).
4. The disk
Cloud disks provide block-level cloud disks for ECS instances. Cloud disks can be classified into common cloud disks, high-efficiency cloud disks, and SSD cloud disks based on performance.
5. The regional
Regions refer to physical data centers, such as North China 1, North China 2, North China 3, etc.
6. The available area
Availability area refers to the physical area where power and network are independent of each other within the same area. ECS instances in the same availability zone have lower network latency.
7. The snapshot
An ECS snapshot is a copy of disk data at a certain point in time. You can easily create a snapshot for an instance, reserve the system data status at a certain point in time, back up data, or create a mirror.
Image 8.
An image is a template for the ECS instance running environment of a cloud server. It generally contains an operating system and pre-installed software. You can use the image to create a new ECS instance and replace the system disk of the ECS instance.
9. The security group
A security group specifies one or more firewall rules, including the allowed network protocols and source IP addresses of ports.
10.ECS Network -VPC(Virtual Private Network)
Based on OverLay technology, a VPC creates customized virtual private networks for users, provides VLAV-level isolation, and blocks external network communication. VPC provides the following capabilities:
(1) Users can customize the network topology, including selecting free IP address range, dividing network segments, configuring routing table and gateway, etc.
(2) Connect to the original data center through private lines or VPN, and use the same network address for resources on and off the cloud to smoothly migrate applications to the upper cloud.
If it is only an official website of an enterprise and the business volume is not large, you can choose the cloud server configuration according to the suggestions above. If the business grows later, you can add the configuration.