RM Ch2,3,4,5 vDU requirements

doc/ref_model/chapters/chapter02.rst

@@ -344,14 +344,16 @@ expectation levels:
 
 - **Computing**
 
- - Speed (e.g., CPU clock and physical cores number)
+ - Speed (e.g., CPU clock and physical cores number; real-time pre-emptive scheduling and/or settings for BIOS, kernel
+ and OS services)
  - Predictability (e.g., CPU and RAM sharing level)
  - Specific processing (e.g., cryptography, transcoding)
 
 - **Networking**
 
  - Throughput (i.e., bit rate and/or packet rate)
- - Latency
+ - Latency and time sensitive networking
+ - Platform Synchronization (e.g. GNSS, PTP, SyncE)
  - Connection points / interfaces number (i.e., vNIC and VLAN)
  - Specific traffic control (e.g., firewalling, NAT, cyphering)
  - Specific external network connectivity (e.g., MPLS, VXLAN)
@@ -508,12 +510,12 @@ The following **profile extensions** are proposed:
 | | | | | geographical | |
 | | | | | distribution. | |
 +-------------------+-------------------------+---------------+---------------+------------------------+---------------+
-| Ultra Low Latency | ultra-low-latency-edge | ✅ | ✅ | Labels a host/node as |   |
-| - Edge Sites | | | | located in an edge |   |
-| | | | | site, for workloads |   |
-| | | | | requiring low latency |   |
-| | | | | (specify value) to |   |
-| | | | | final users or |   |
+| Ultra Low Latency | ultra-low-latency-edge | ✅ | ✅ | Labels a host/node as | For example, |
+| - Edge Sites | | | | located in an edge | nodes |
+| | | | | site, for workloads | configured |
+| | | | | requiring low latency | at a RAN cell |
+| | | | | (specify value) to | site to host |
+| | | | | final users or | vDU |
 | | | | | geographical | |
 | | | | | distribution. | |
 +-------------------+-------------------------+---------------+---------------+------------------------+---------------+

doc/ref_model/chapters/chapter03.rst

@@ -956,10 +956,10 @@ Server Option for DHCPv6 :cite:p:`rfc5908`)
 as the default time synchronization for the cluster. That level of synchronization is not sufficient for some
 network functions. Just like real-time operating systems instead of base OS, so is precision timing for clock
 synchronization. Precision Time Protocol version 2 `PTP <https://standards.ieee.org/ieee/1588/6825/>`__ cite:p:`ieee1588dash2019`
-is commonly used for Time-Sensitive Networking. This allow synchronization in microsecond range rather than
+is commonly used for Time-Sensitive Networking. This allows synchronization in microsecond range rather than
 millisecond range that NTP provides.
 
-Some Network functions, like vDU, of vRAN, also require `SyncE <https://www.itu.int/rec/T-REC-G.8262>`__ :cite:p:`itutg8262`. Control,
+Some network functions, like vDU, of vRAN, also require `SyncE <https://www.itu.int/rec/T-REC-G.8262>`__ :cite:p:`itutg8262`. Control,
 User and Synchronization (CUS) Plane specification defines different topology options that provides Lower Layer Split
 Control plane 1-4 (LLS-C1 - LLS-C4) with different synchronization requirements
 (`ITU-T G.8275.2 <https://www.itu.int/rec/T-REC-G.8275.2/en>`__ :cite:p:`itutg82752`).

doc/ref_model/chapters/chapter04.rst

@@ -134,6 +134,12 @@ Exposed performance optimisation capabilities
 +---------+---------------------+------+-------------------------------------------------------------------------------+
 |e.cap.025| AF_XDP |Yes/No| Indicates whether or not the Cloud Infrastructure supports AF_XDP. |
 +---------+---------------------+------+-------------------------------------------------------------------------------+
+|e.cap.026| Real-Time |Yes/No| Indicates whether the Cloud Infrastructure supports real-time versions and/or |
+| | | | configuration for BIOS, kernel and OS services. |
++---------+---------------------+------+-------------------------------------------------------------------------------+
+|e.cap.027| Time Sensitive |Yes/No| Indicates whether the Cloud Infrastructure node supports timing accuracy with |
+| | Networking | | PTP and synchronization with SyncE. |
++---------+---------------------+------+-------------------------------------------------------------------------------+
 
 **Table 4-2:** Exposed performance optimisation capabilities of the Cloud Infrastructure
 

doc/ref_model/chapters/chapter05.rst

@@ -713,13 +713,25 @@ infra.hw.pci.cfg.003 PCIe lanes 8
 Network acceleration configurations
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-==================== =================== =============================== ======== ================ ======================
-Reference Feature Description Basic High performance Capabilities Reference
-==================== =================== =============================== ======== ================ ======================
-infra.hw.nac.cfg.001 Crypto acceleration IPSec, Crypto. N Optional ``e.cap.009``
-infra.hw.nac.cfg.002 SmartNIC Offloads network functionality. N Optional ``e.cap.015``
-infra.hw.nac.cfg.003 Compression Optional Optional
-infra.hw.nac.cfg.004 SR-IOV over PCI-PT SR-IOV N Optional ``e.cap.013``
-==================== =================== =============================== ======== ================ ======================
++----------------------+----------------+----------------------+----------+-------------+---------------+
+| Reference | Feature | Description | Basic | High | Capabilities |
+| | | | | performance | Reference |
++======================+================+======================+==========+=============+===============+
+| infra.hw.nac.cfg.001 | Crypto | IPSec, Crypto. | N | Optional | ``e.cap.009`` |
+| | acceleration | | | | |
++----------------------+----------------+----------------------+----------+-------------+---------------+
+| infra.hw.nac.cfg.002 | SmartNIC | Offloads network | N | Optional | ``e.cap.015`` |
+| | | functionality. | | | |
++----------------------+----------------+----------------------+----------+-------------+---------------+
+| infra.hw.nac.cfg.003 | Compression | | Optional | Optional | |
++----------------------+----------------+----------------------+----------+-------------+---------------+
+| infra.hw.nac.cfg.004 | SR-IOV over | SR-IOV | N | Optional | ``e.cap.013`` |
+| | PCI-PT | | | | |
++----------------------+----------------+----------------------+----------+-------------+---------------+
+| infra.hw.nac.cfg.005 | Time Sensitive | Timing accuracy with | N | Optional | ``e.cap.026`` |
+| | Networking | PTP Hardware Clock | | | |
+| | | and synchronization | | | |
+| | | with SyncE. | | | |
++----------------------+----------------+----------------------+----------+-------------+---------------+
 
 **Table 5-19:** Network acceleration configuration specification