THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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If the value is set to NULL in service/network offerings, it means that we should take the rate from the Global Configuration (network.throttling.rate - used by network offering, vm.network.throttling.rate - used by service offering)
Default throttling values:
- For default Public/Storage/Control/Management network offerings throttling rate is set to 0 (Unlimited).
- For default Guest network offerings throttling rate is set to NULL (and in this case it will be defaulted to Global config value)
Network throttling on different types of CS Virtual Machines
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- For all nics on SSVM/CPVM, throttling rate is Unlimited (not configurable)
Default throttling values:
- For default Public/Storage/Control/Management network offerings throttling rate is set to 0 (Unlimited).
Here is the picture explaining how throttling set on the VR's guest nic and VM's nic, affect traffic flows a) from User VM to User VM b) from User VM to internet (traffic goes through VR in this case)
How throttling is set on Hypervisor level
On the hypervisor side, network throttling is begin set on a VM's NIC level. Implementation depends on the hypervisor. For example, on Xen its set per VM's vif; on vmWare - port group is configured on vSwitch, and the group gets assigned to the vm.
Currently CloudStack network throttling is supported on the hypervisors below - implementation details are included.
XenServer
TBD - Anthony Xu, please put the details there
KVM
TBD - Edison Su, please put the details there
VmWare
TBD - Kelven Yang, please put the details there
HyperV
TBD - Rajesh Battala, please put the details there
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