Elastic Load Balance
Elastic Load Balance

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      All results for "" in this service

      • What's New
        • What's New
      • Function Overview
      • Service Overview
        • What Is ELB?
        • ELB Advantages
        • How ELB Works
        • Application Scenarios
        • Differences Between Dedicated and Shared Load Balancers
          • Load Balancer Types
          • Feature Comparison Details
        • Load Balancing on a Public or Private Network
        • Network Traffic Paths
        • Specifications of Dedicated Load Balancers
        • Notes and Constraints
        • Permissions
        • Product Concepts
          • Basic Concepts
          • Region and AZ
        • ELB and Other Services
      • Billing
        • Billing Overview
        • Billing Mode
          • Overview
          • Pay-per-Use Billing
        • Billing Items (Dedicated Load Balancers)
        • Billing Items (Shared Load Balancers)
        • Billing Examples
        • Bills
        • Arrears
        • Stopping Billing
        • Cost Management
        • FAQs
          • When Do I Need Public Bandwidth for ELB?
          • Will I Be Billed for Both the Bandwidth Used by the Load Balancer and the Bandwidth Used by Backend Servers?
          • Can I Modify the Bandwidth of a Load Balancer?
          • What Functions Will Become Unavailable If a Load Balancer Is Frozen?
      • Getting Started
        • Using ELB to Distribute Traffic to a Web Application Across ECSs
        • Using ELB to Distribute Traffic to Multiple Web Applications Across ECSs
      • User Guide
        • User Guide for Dedicated Load Balancers
          • Using a Dedicated Load Balancer
          • Permissions Management
            • Creating a User and Granting Permissions
            • Creating a Custom Policy
          • Load Balancer
            • Dedicated Load Balancer Overview
            • Creating a Dedicated Load Balancer
            • Configuring Modification Protection or Deletion Protection for Dedicated Load Balancers
            • Modifying the Basic Configurations of a Dedicated Load Balancer
            • Modifying the Network Configurations of a Dedicated Load Balancer
            • Exporting Dedicated Load Balancers
            • Deleting a Dedicated Load Balancer
          • Listener
            • Listener Overview
            • Network Listeners
              • Adding a TCP Listener
              • Adding a UDP Listener
              • Adding a UDP Listener (with a QUIC Backend Server Group Associated)
            • Application Listeners
              • Adding an HTTP Listener
              • Adding an HTTPS Listener
              • Forwarding Policy
              • Advanced Forwarding
                • Advanced Forwarding
                • Managing an Advanced Forwarding Policy
              • HTTP Headers
              • HTTP/2 for Faster Communication
            • Managing a Listener
          • Backend Server Group
            • Backend Server Group Overview
            • Creating a Backend Server Group
            • Controlling Traffic Distribution
              • Load Balancing Algorithms
              • Sticky Session
              • Slow Start
            • Changing a Backend Server Group
            • Managing a Backend Server Group
          • Backend Server
            • Backend Server Overview
            • Security Group and Network ACL Rules
            • Adding Backend Servers in the Same VPC as a Load Balancer
            • Adding Backend Servers in a Different VPC from a Load Balancer
          • Health Check
            • Health Check
            • Configuring a Health Check
          • Security
            • Transfer Client IP Address
            • TLS Security Policy
            • SNI Certificate
            • Certificate
              • Certificate Overview
              • Adding a Certificate
              • Managing Certificates
              • Binding or Replacing a Certificate
              • Replacing the Certificate Bound to Different Listeners
            • Access Control
              • What Is Access Control?
              • IP Address Group
          • Access Logging
          • Tags and Quotas
            • Tag
            • Quotas
          • Cloud Eye Monitoring
            • Monitoring ELB Resources
            • ELB Monitoring Metrics
            • Event Monitoring
            • Viewing Traffic Usage
          • Auditing
            • Key Operations Recorded by CTS
            • Viewing Traces
        • User Guide for Shared Load Balancers
          • Permissions Management
            • Creating a User and Granting Permissions
            • Creating a Custom Policy
          • Load Balancer
            • Shared Load Balancer Overview
            • Creating a Shared Load Balancer
            • Configuring Modification Protection for Shared Load Balancers
            • Changing the Network Configurations of a Shared Load Balancer
            • Deleting a Shared Load Balancer
          • Listener
            • Listener Overview
            • Adding a TCP Listener
            • Adding a UDP Listener
            • Adding an HTTP Listener
            • Adding an HTTPS Listener
            • Forwarding Policy
            • HTTP/2 for Faster Communication
            • Managing a Listener
            • Deleting a Listener
          • Backend Server Group
            • Backend Server Group Overview
            • Creating a Backend Server Group
            • Controlling Traffic Distribution
              • Load Balancing Algorithms
              • Sticky Session
            • Changing a Backend Server Group
            • Managing a Backend Server Group
          • Backend Server
            • Backend Server Overview
            • Security Group and Network ACL Rules
            • Cloud Servers
          • Health Check
            • Health Check
            • Enabling or Disabling Health Check
          • Security
            • Transfer Client IP Address
            • SNI Certificate
            • TLS Security Policy
            • Access Control
              • What Is Access Control?
              • IP Address Group
            • Certificate
              • Certificate Overview
              • Adding a Certificate
              • Managing Certificates
              • Binding or Replacing a Certificate
              • Replacing the Certificate Bound to Different Listeners
          • Tags and Quotas
            • Tag
            • Quotas
          • Cloud Eye Monitoring
            • Monitoring ELB Resources
            • Monitoring Metrics
            • Viewing Traffic Usage
          • Auditing
            • Key Operations Recorded by CTS
            • Viewing Traces
        • Appendix
          • Configuring the TOA Module
      • Best Practices
        • Viewing Traffic Usage
        • Routing Traffic to Backend Servers in Different VPCs
          • Overview
          • Routing Traffic to Backend Servers in Different VPCs from the Load Balancer
          • Routing Traffic to Backend Servers in the Same VPC as the Load Balancer
      • API Reference
        • Before You Start
        • API Overview
        • Calling APIs
          • Making an API Request
          • Authentication
          • Response
        • APIs (V3)
          • API Version
            • Querying API Versions
          • Quota
            • Querying Quotas
            • Querying Quota Usage
          • AZ
            • Querying AZs
          • Load Balancer Flavor
            • Querying Flavors
            • Viewing the Details of a Flavor
          • Reserved IP Address
            • Calculating the Number of Reserved IP Addresses
          • Load Balancer
            • Creating a Load Balancer
            • Querying Load Balancers
            • Viewing the Details of a Load Balancer
            • Updating a Load Balancer
            • Deleting a Load Balancer
            • Querying the Status Tree of a Load Balancer
          • Certificate
            • Creating a Certificate
            • Querying Certificates
            • Querying the Details of a Certificate
            • Updating a Certificate
            • Deleting a Certificate
          • Security Policy
            • Creating a Custom Security Policy
            • Querying Custom Security Policies
            • Querying the Details of a Custom Security Policy
            • Updating a Custom Security Policy
            • Deleting a Custom Security Policy
            • Querying System Security Policies
          • IP Address Group
            • Creating an IP Address Group
            • Querying IP Address Groups
            • Querying the Details of an IP Address Group
            • Updating an IP Address Group
            • Deleting an IP Address Group
            • Updating IP Addresses in an IP Address Group
            • Deleting IP Addresses from an IP Address Group
          • Listener
            • Adding a Listener
            • Querying Listeners
            • Viewing the Details of a Listener
            • Updating a Listener
            • Deleting a Listener
          • Backend Server Group
            • Creating a Backend Server Group
            • Querying Backend Server Groups
            • Querying the Details of a Backend Server Group
            • Updating a Backend Server Group
            • Deleting a Backend Server Group
            • Deleting a Backend Server Group and Associated Resources
          • Backend Server
            • Adding a Backend Server
            • Querying Backend Servers
            • Viewing the Details of a Backend Server
            • Updating a Backend Server
            • Removing a Backend Server
          • Health Check
            • Configuring a Health Check
            • Querying Health Checks
            • Viewing the Details of a Health Check
            • Updating a Health Check
            • Deleting a Health Check
          • Forwarding Policy
            • Adding a Forwarding Policy
            • Querying Forwarding Policies
            • Querying the Details of a Forwarding Policy
            • Modifying a Forwarding Policy
            • Deleting a Forwarding Policy
          • Forwarding Rule
            • Adding a Forwarding Rule
            • Querying Forwarding Rules
            • Viewing the Details of a Forwarding Rule
            • Updating a Forwarding Rule
            • Deleting a Forwarding Rule
          • Log
            • Creating a Log
            • Querying Logs
            • Viewing the Details of a Log
            • Updating a Log
            • Deleting a Log
        • Examples
          • Creating a Dedicated Load Balancer and Binding a New EIP to It
          • Adding a Listener to a Dedicated Load Balancer
          • Deleting a Dedicated Load Balancer
          • Querying the ID of an ECS Used as a Backend Server
        • Permissions and Supported Actions
          • Introduction
          • Supported Actions (V2)
            • Load Balancer
            • Listener
            • Backend Server Group
            • Backend Server
            • Health Check
            • Forwarding Policy
            • Forwarding Rule
            • Whitelist
            • SSL Certificate
            • Quota
            • Tag
            • Precautions for API Permissions
          • Supported Actions (V3)
            • Load Balancer
            • Listener
            • Backend Server Group
            • Backend Server
            • Health Check
            • Forwarding Policy
            • Forwarding Rule
            • IP Address Group
            • Certificate
            • Security Policy
            • Quota
            • API Version
            • Availability Zone
            • Load Balancer Flavor
            • Precautions for API Permissions
        • Appendix
          • Error Codes
          • Status Codes
          • Obtaining a Project ID
      • SDK Reference
        • SDK Overview
      • FAQs
        • Service Abnormality
          1. Why Can't I Access My Backend Servers Through a Load Balancer?
          2. Why Does a Server Occasionally Time Out When a Client Access It Through Different Load Balancers or Different Listeners of a Load Balancer?
          3. What Can I Do If ELB Can't Be Accessed or Traffic Routing is Interrupted?
          4. How Can I Handle Abnormal Status Codes?
          5. How Do I Handle Abnormal Request Headers?
          6. How Do I Check for Traffic Inconsistencies?
          7. Why Does ELB Fail to Distribute Traffic Evenly?
          8. How Do I Check If There Is Excessive Access Delay?
          9. What Do I Do If a Load Balancer Fails a Stress Test?
          10. How Do I Check If Sticky Sessions Failed to Take Effect?
        • Health Checks
          1. How Do I Troubleshoot an Unhealthy Backend Server of a Dedicated Load Balancer?
          2. Why Is the Interval at Which Backend Servers Receive Health Check Packets Different from the Configured Interval?
          3. How Does ELB Perform UDP Health Checks? What Are the Precautions for UDP Health Checks?
          4. Why Does ELB Frequently Send Requests to Backend Servers During Health Checks?
          5. When Does a Health Check Start?
          6. What Do I Do If a Lot of Access Logs Are Generated During Health Checks?
          7. What Status Codes Will Be Returned If Backend Servers Are Identified as Healthy?
        • ELB Functionality
          1. Can Load Balancers Be Used Separately?
          2. Can ELB Block DDoS Attacks and Secure Web Code?
          3. Can Backend Servers of a Load Balancer Run Different OSs?
          4. Can ELB Be Used Across Accounts or VPCs?
          5. Can a Backend Server Access Its Load Balancer?
          6. Can Both the Listener and Backend Server Group Use HTTPS?
          7. Does ELB Support IPv6 Networks?
          8. How Can I Transfer the IP Address of a Client?
          9. What Are the Differences Between Persistent Connections and Sticky Sessions?
          10. How Do I Test Sticky Sessions Using Linux Curl Commands?
        • Load Balancers
          1. How Does ELB Distribute Traffic?
          2. How Can I Configure Load Balancing for Containerized Applications?
          3. Why Multiple IP Addresses Are Required When I Create a Dedicated Load Balancer?
          4. Can Backend Servers Access the Internet Using the EIP of the Load Balancer?
          5. What Is the Difference Between the Bandwidth Defined in Each Specification of a Dedicated Load Balancer and the Bandwidth of an EIP?
          6. How Do I Combine ELB and WAF?
        • Listeners
          1. What HTTP Headers Can I Configure for an HTTP and HTTP Listener?
          2. Will ELB Stop Distributing Traffic Immediately After a Listener Is Deleted?
          3. Does ELB Have Restrictions on the File Upload Speed and Size?
          4. Can Multiple Load Balancers Route Requests to One Backend Server?
          5. How Is WebSocket Used?
          6. Why Can't I Select the Target Backend Server Group When Adding or Modifying a Listener?
          7. Why Is There a Security Warning After a Certificate Is Configured for an HTTPS Listener?
          8. Why Is a Forwarding Policy in the Faulty State?
        • Backend Servers
          1. How Load Balancing Algorithms and Sticky Session Type of a Backend Server Group Are Related?
          2. Can Backend Servers Access the Internet After They Are Associated with a Load Balancer?
          3. Can ELB Distribute Traffic Across Servers That Are Not Provided by Huawei Cloud?
          4. Can ELB Route Traffic Across Regions?
          5. Does Each Backend Server Need an EIP to Receive Requests from a Public Network Load Balancer?
          6. How Do I Check the Network Conditions of a Backend Server?
          7. How Can I Check the Network Configuration of a Backend Server?
          8. How Do I Check the Status of a Backend Server?
          9. How Do I Check Whether a Backend Server Can Be Accessed Through an EIP?
          10. Why Is the Number of Active Connections Monitored by Cloud Eye Different from the Number of Connections Established with the Backend Servers?
          11. Why Can I Access Backend Servers After a Whitelist Is Configured?
          12. When Will the Changes to Server Weights Be Applied?
        • Security
          1. Does ELB Support Wildcard Certificates?
          2. Why Is Access to Backend Servers Still Abnormal Even If I Have Created a Certificate?
          3. Will the Network or Load Balancing Be Interrupted When a Certificate Is Being Replaced?
          4. Why Is the Outgoing Rate on the ELB Console Inconsistent with the Bandwidth Usage Statistics on the Cloud Eye Console?
          5. What Are the Differences Between Layer-7 Status Codes and Backend Status Codes in ELB Metrics?
          6. Why Is There a Large Number of HTTP 499 Errors?
        • Billing
          1. When Do I Need Public Bandwidth for ELB?
          2. Will I Be Billed for Both the Bandwidth Used by the Load Balancer and the Bandwidth Used by Backend Servers?
          3. Can I Modify the Bandwidth of a Load Balancer?
          4. What Functions Will Become Unavailable If a Load Balancer Is Frozen?
      • Videos