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Virtual Private Cloud
Virtual Private Cloud
- What's New
- Function Overview
- Service Overview
- Getting Started
-
User Guide
- Permissions Management
- VPC and Subnet
- Route Table and Route
- Virtual IP Address
-
Elastic Network Interface and Supplementary Network Interface
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Elastic Network Interface
- Elastic Network Interface Overview
- Creating a Network Interface
- Viewing the Basic Information About a Network Interface
- Attaching a Network Interface to a Cloud Server
- Binding an EIP to a Network Interface
- Binding a Network Interface to a Virtual IP Address
- Detaching a Network Interface from an Instance or Unbinding an EIP from a Network Interface
- Changing Security Groups That Are Associated with a Network Interface
- Deleting a Network Interface
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Supplementary Network Interfaces
- Supplementary Network Interface Overview
- Creating a Supplementary Network Interface
- Viewing the Basic Information About a Supplementary Network Interface
- Binding or Unbinding an EIP to or from a Supplementary Network Interface
- Changing Security Groups That Are Associated with a Supplementary Network Interface
- Deleting a Supplementary Network Interface
- Network Interface Configuration Examples
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Elastic Network Interface
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Access Control
- Access Control Overview
- Security Group
- Network ACL
- IP Address Group
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VPC Peering Connection
- VPC Peering Connection Overview
- VPC Peering Connection Usage
- Creating a VPC Peering Connection to Connect Two VPCs in the Same Account
- Creating a VPC Peering Connection to Connect Two VPCs in Different Accounts
- Obtaining the Peer Project ID of a VPC Peering Connection
- Modifying a VPC Peering Connection
- Viewing VPC Peering Connections
- Deleting a VPC Peering Connection
- Modifying Routes Configured for a VPC Peering Connection
- Viewing Routes Configured for a VPC Peering Connection
- Deleting Routes Configured for a VPC Peering Connection
- IPv4/IPv6 Dual-Stack Network
- VPC Flow Log
- Elastic IP
- Shared Bandwidth
- Monitoring and Auditing
- Managing Quotas
- Best Practices
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API Reference
- Before You Start
- API Overview
- Calling APIs
- APIs
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API V3
- VPC
- Security Group
- Security Group Rule
- IP Address Group
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Supplementary Network Interface
- Creating a Supplementary Network Interface
- Creating Supplementary Network Interfaces in Batches
- Querying Supplementary Network Interfaces
- Querying the Details of a Supplementary Network Interface
- Querying the Number of Supplementary Network Interfaces
- Updating a Supplementary Network Interface
- Deleting a Supplementary Network Interface
- Network ACL
- Port
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Native OpenStack Neutron APIs (V2.0)
- API Version Information
- Port
- Network
- Subnet
- Router
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Network ACL
- Querying Network ACL Rules
- Querying a Network ACL Rule
- Creating a Network ACL Rule
- Updating a Network ACL Rule
- Deleting a Network ACL Rule
- Querying Network ACL Policies
- Querying a Network ACL Policy
- Creating a Network ACL Policy
- Updating a Network ACL Policy
- Deleting a Network ACL Policy
- Inserting a Network ACL Rule
- Removing a Network ACL Rule
- Querying Network ACL Groups
- Querying a Network ACL Group
- Creating a Network ACL Group
- Updating a Network ACL Group
- Deleting a Network ACL Group
- Security Group
- Application Examples
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Permissions and Supported Actions
- Introduction
- VPC
- Subnet
- Port
- VPC Peering Connection
- VPC Route
- Route Table
- Quota
- Private IP Address
- Security Group
- Security Group Rule
- VPC Tag
- Subnet Tag
- Port (OpenStack Neutron API)
- Network (OpenStack Neutron API)
- Subnet (OpenStack Neutron API)
- Router (OpenStack Neutron API)
- Network ACL (OpenStack Neutron API)
- Security Group (OpenStack Neutron API)
- Precautions for API Permissions
- FAQs
- Out-of-Date APIs
- Appendix
- SDK Reference
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FAQs
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Billing and Payments
- Will I Be Billed for Using the VPC Service?
- Why Is My VPC Still Being Billed After It Was Deleted?
- How Do I View My VPC Bills?
- How Is an EIP Charged?
- How Do I Change My EIP Billing Mode Between Pay-per-Use and Yearly/Monthly?
- How Do I Change the Billing Option of a Pay-per-Use EIP Between By Bandwidth and By Traffic?
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VPCs and Subnets
- What Is Virtual Private Cloud?
- Which CIDR Blocks Are Available for the VPC Service?
- How Many VPCs Can I Create?
- Can Subnets Communicate with Each Other?
- What Subnet CIDR Blocks Are Available?
- Can I Change the CIDR Block of a Subnet?
- How Many Subnets Can I Create?
- How Do I Make the Changed DHCP Lease Time of a Subnet Take Effect Immediately?
- Why Can't I Delete My VPCs and Subnets?
- Can I Change the VPC of an ECS?
- Why Is the ECS IP Address Released After the System Time Is Changed?
- How Do I Change the DNS Server Address of an ECS?
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EIPs
- How Do I Assign or Retrieve a Specific EIP?
- What Are the Differences Between EIP, Private IP Address, and Virtual IP Address?
- Can I Change the Dedicated Bandwidth Used by an EIP to a Shared Bandwidth?
- How Many ECSs Can I Bind an EIP To?
- How Do I Access an ECS with an EIP Bound from the Internet?
- What Is the EIP Assignment Policy?
- Can I Bind an EIP of an ECS to Another ECS?
- Can I Buy a Specific EIP?
- How Do I Query the Region of My EIPs?
- How Can I Unbind an Existing EIP from an Instance and Bind Another EIP to the Instance?
- Can I Bind an EIP to a Cloud Resource in Another Region?
- Can I Change the Region of an EIP?
- VPC Peering Connections
- Virtual IP Addresses
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Bandwidth
- What Are Inbound Bandwidth and Outbound Bandwidth?
- What Are the Differences Between Static BGP and Dynamic BGP?
- How Do I Know If My EIP Bandwidth Limit Has Been Exceeded?
- What Are the Differences Between Public Bandwidth and Private Bandwidth?
- What Bandwidth Types Are Available?
- What Are the Differences Between a Dedicated Bandwidth and a Shared Bandwidth?
- How Many EIPs Can I Add to Each Shared Bandwidth?
- Can I Increase a Yearly/Monthly Bandwidth and Decrease It Later?
- What Is the Relationship Between Bandwidth and Upload/Download Rate?
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Connectivity
- Does a VPN Allow Communication Between Two VPCs?
- Why Cannot I Access Public Websites Through Domain Names or Access Internal Domain Names on the Cloud When My ECS Has Multiple NICs?
- What Are the Priorities of the Custom Route and EIP If Both Are Configured for an ECS to Enable the ECS to Access the Internet?
- Why Are There Intermittent Interruptions When a Local Host Accesses a Website Built on an ECS?
- Why Do ECSs Using Private IP Addresses in the Same Subnet Only Support One-Way Communication?
- Why Does Communication Fail Between Two ECSs in the Same VPC or Packet Loss Occur When They Communicate?
- Why Can't My ECS Use Cloud-init?
- Why Can't My ECS Access the Internet Even After an EIP Is Bound?
- Why Is My ECS Unable to Communicate at a Layer 2 or Layer 3 Network?
- How Do I Handle a BMS Network Failure?
- Why Does My ECS Fail to Obtain an IP Address?
- How Do I Handle a VPN or Direct Connect Connection Network Failure?
- Why Can My Server Be Accessed from the Internet But Cannot Access the Internet?
- Why Can't I Access Websites Using IPv6 Addresses After IPv4/IPv6 Dual Stack Is Configured?
- Why Does My ECS Fail to Communicate with Other After It Has Firewall Installed?
- Routing
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Security
- Does a Modified Security Group Rule or a Network ACL Rule Take Effect Immediately for Existing Connections?
- Why Is Outbound Access on TCP Port 25 Blocked?
- How Do I Know the Instances Associated with a Security Group?
- Why Can't I Delete a Security Group?
- Can I Change the Security Group of an ECS?
- How Do I Configure a Security Group for Multi-Channel Protocols?
- Why Are Some Ports of ECSs Inaccessible?
- Why Is Access from a Specific IP Address Still Allowed After a Network ACL Rule That Denies the Access from the IP Address Has Been Added?
- Why Are My Security Group Rules Not Working?
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Billing and Payments
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Help Center/
Virtual Private Cloud/
FAQs/
Bandwidth/
What Is the Relationship Between Bandwidth and Upload/Download Rate?
What Is the Relationship Between Bandwidth and Upload/Download Rate?
Updated on 2024-04-23 GMT+08:00
The bandwidth is measured in bit/s, indicating the number of binary bits transmitted per second. The download rate is measured in byte/s, indicating the number of bytes transmitted per second.
1 byte = 8 bits, that is, download rate = bandwidth/8
Due to various issues such as computer performance, network device quality, resource usage, and network peak hours, if the bandwidth is 1 Mbit/s, the actual upload or download rate is generally lower than 125 kByte/s (1 Mbit/s = 1,000 Kbit/s, upload or download rate = 1,000/8 = 125 kByte/s).
Parent topic: Bandwidth
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