Page 607 - Cloud computing: From paradigm to operation

XaaS 3

9.5 Reference points

9.5.1 Reference points between CS-FS and VDCD-FS
The reference points between CE-FS and VDCD-FS are summarized as follows:

I_CN_DPP reference point between CN-F and DPP-F. The CN-F interacts with the DPP-F to handle
connection negotiation through this reference point.
I_CPC_DPP reference point between CPC-F and DPP-F. The CPC-F interfaces with the DPP-F to
exchange the peripheral events through this reference point.
I_SC_DPP reference point between SC-F and DPP-F. The SC-F requests or cancels additional
resources through this reference point.
I_SC_UAM reference point between SC-F and UAM-F. The SC-F inputs the user authentication
information to the UAM-F through this reference point.
I_SC_CCM reference point between SC-F and CCM-F. The SC-F and the CCM-F interact with each
other to exchange virtual desktop access information through this reference point.
I_SCUE_CCM reference point between SCUE-F and CCM-F. The SCUE-F requests a reconnection to the
CCM-F in case of network failure, through this reference point.
I_SCUE_PA reference point between SCUE-F and PA-F. The SCUE-F and PA-F perform the
synchronization of a DaaS user's state through this reference point.
9.5.2 Reference points between VDCD-FS and VDRM-FS
I_UAM_UAPM reference point between UAM-F and UAPM-F. CSU's access information, CSU's account
information, and CSC types are transferred through this reference point.
I_CCM_UAPM reference point between CCM-F and UAPM-F. CSC types and profiles are delivered from
the UAPM-F to the CCM-F through this reference point.
I_PA_UAPM reference point between PA-F and UAPM-F. CSU's account information is delivered from
the UAPM-F to the PA-F through this reference point.
I_PA_OPM reference point between PA-F and OPM-F. Operational policy information is delivered
from the OPM-F to the PA-F through this reference point.
I_PA_PM reference point between PA-F and PM-F. Power information is delivered from the PM-F
to the PA-F through this reference point.

9.5.3 Reference points between VDCD-FS and VI-FS
I_DPP_IAM reference point between DPP-F and IAM-F. Resource request/cancellation and virtual
desktop access information are forwarded to IAM-F through this reference point.
I_PA_IAM reference point between PA-F and IAM-F. The PA-F delivers virtual desktop allocation
information to IAM-F through this reference point.
9.5.4 Reference points between VDRM-FS and VI-FS

I_IAM_RAD reference point between IAM-F and RAD-F. The RAD-F accesses IAM-F to communicate
with the RA-F.
I_IAM_MC reference point between IAM-F and MC-F. The MC-F accesses IAM-F to communicate
with PV-F.

9.5.5 Reference points within VDCD-FS
I_DPP_CCM reference point between DPP-F and CCM-F. Virtual desktop access information from
CCM-F is delivered to DPP-F through this reference point.
I_CCM_PA reference point between CCM-F and PA-F. The CCM-F bypasses resource
request/cancellation to the PA-F through this reference point.

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