haproxy
2016-07-26 16:30:32 0 举报HAProxy是一个免费且开源的负载均衡解决方案，用于提高网站和应用程序的性能、可扩展性和可靠性。它通过将传入的网络流量分发到多个后端服务器来实现负载均衡，确保每个请求都能得到快速响应。HAProxy支持多种负载均衡算法，如轮询、最少连接数、IP哈希等，以满足不同场景的需求。此外，HAProxy还具有高可用性、健康检查、SSL终止等功能，可以有效防止单点故障和保护数据安全。HAProxy广泛应用于云计算、微服务架构和大规模网站等领域，是现代IT基础设施的重要组成部分。
作者其他创作
大纲/内容
Add host
Begin
Yes
Get relationship between Flat networks and OSA devices
networktype
create a network with providerx. need to specify OSA device
return error reason
compute node
VSwitchexist
No
VLAN
Create Network items to Neutron DB
onboarding node
host type
Create a new VLAN network with different VLAN ID in Neutron DB
every z/VMSuccess
Create a VLAN aware VSwitch in every z/VM and link it to selected OSA devices
send this request to every existing compute node. compute node need to create a vswitch with providerx
Flat
select one or more OSA devices
Create a VLAN network item in Neutron DB
Create a VLAN unaware VSwitch in every z/VM and link it to selected OSA devices
return \"Add host\" GUI
Compute nodesexist
Create a Flat network item in Neutron DB
delete already created VSwitches
Reach the max failure times (3)
Get relationship between VLAN networks and OSA devices
End
network alreadyexist
assume network exist
fill the bridge_mappings in neutron-zvm-agent ( providerx: vswitch_name )
change the z/VM agent to DOWN and raise the exception
Create Neutron network
Send a or more requests to Neutron to create all vswitches
create one or more VSwitches in z/VM
Neutron query available OSA devices and return \"Network Create\" GUI( New API )
end
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