SOLUTION BRIEF

A Collaboration Between Supermicro and IS-Wireless Delivers Complete ORAN
Solution

TABLE OF CONTENTS
Executive Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Traditional Mobile Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Moving to Open Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Supermicro SYS-220HE-FTNR

Solution Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Why Supermicro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
About IS-Wireless. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Executive Summary

SUPERMICROSupermicro (Nasdaq: SMCI) is the leading innovator in highperformance, high-efficiency server and storage technologies
and a premier worldwide provider of advanced server Building
Block Solutions® for Enterprise Data Center, Cloud Computing,
Artificial Intelligence, and Edge Computing Systems.
Supermicro is committed to protecting the environment
through its “We Keep IT Green®” initiative by providing
customers with the most energy-efficient, environmentallyfriendly solutions available on the market.

Open RAN is the latest trend in building cellular networks. Open RAN isbased on separating software and hardware concept, enabling the useof COTS (Commercial Off The Shelf) servers. Furthermore, it is basedon open and standardized interfaces, which grant interoperability.
Thus, it enables multiple vendors to provide different parts ofhardware and software. This combination of hardware and software
allows for lower prices and improving competitiveness, which iscrucial for further developing the 5G network. Supermicro servers SYS220HE-FTNR and the Super Server SYS-E403-9D-14CN-IPD2 are used
for Open RAN deployment. IS-Wireless software is responsible for DU(Distributed Unit) and CU (Central Unit) network functionalities
deployed as CNF (Cloud Native Network Functions) on top of acontainer platform. RedHat provides an open, hybrid container/virtualmachine infrastructure with Red Hat® OpenShift® Container Platform.

Traditional Mobile Networks
The telecommunications market is undergoing a revolution. It is not only about introducing 5G networks but also about how the mobile
networks infrastructure is developed: the move from closed to open systems. According to some estimates, in less than 5 years, most of thenew networks will be built in that model.

Figure 1 - Source: ABI Research, Revenue forecast comparison for public
cellular: traditional RAN and Open RAN

Until recently, the telecommunications market was locked anddominated by just a few global vendors delivering radio
networks in a monolithic way - software with dedicatedhardware. That is how 2G, 3G, and 4G networks were built. As
convenient as it might be, it did come with serious risks. In caseof problems with an element from one supplier, it wasimpossible to replace selected network elements. Due to thelack of interoperability with devices from other suppliers, theentire solution had to be replaced with enormous costs as Radio
Access Network is the most expensive part of the mobilenetwork. Not to mention the high pricing in general as a result of
virtually no competition on the market. It was clear thatchanging a model was a matter of time. Also, to build a 5G
network offering the quality parameters underlying the 5G
standardization, the density of the base stations’ grid should besignificantly increased while reducing their power. However,densifying the network in the traditional silo model isimpossible, as it will be too expensive.

Moving to open systems
The Open RAN concept is based on open and standardized interfaces, which grant interoperability. Thus, it enables multiple vendors toprovide different parts of hardware and software. Although various network elements come from numerous vendors and are proprietary, they
are designed to work together with other vendors’ products. In addition, open RAN is based on a software and hardware separation concept,
enabling COTS (Commercial Off TheShelf) servers to be used. This openmodel allows for significant savings, andon the other hand, it enables much moreefficient use of available resources suchas locations, computing devices, andfrequency bands.
The image explains the main differences
between traditional RAN, vRAN, andOpen RAN.

Figure 2 - Source: ABI Research. Examples of traditional RAN, vRAN, and Open RAN deployments.

© 2022 Copyright Super Micro Computer, Inc. All rights reservedOctober, 2022

According to Dell’Oro research, OpenRAN will account for 15% of the overall
2G-5G RAN market by 2026. They also
estimate that the Open RAN sector is
supposed to generate $15 billion inrevenues between 2020 and 2025globally. Also, the share of mobile
networks built in the open model willgrow in the following years.

2Solution Overview
The IS-Wireless solution contains software for 4G and 5G RAN (Radio Access Networks): O-RU software (Low PHY), O-DU software (High PHY,MAC, RLC), and O-CU software (PDCP, SDAP, RRC, S1AP, NGAP). The IS-Wireless solution is compliant with the following standards: 3GPP (4G
LTE / 5G NR protocol stack and features, integration with EPC/5GC, support standard UE, authentication, ciphering, integrity protection), ORAN (open interfaces, RAN virtualization, SW/HW separation, COTS HW usage) and ETSI (support NFV concept with VNF/CNF - Virtual/Cloud
Native Network Functions).
Thanks to the Open RAN approach and virtualization, software-defined RAN functionalities can be deployed on flexible HW: O-RU hardware(from IS-Wireless partners, i.e., Benetel, Cablefree), O-DU hardware (COTS servers, e.g., Supermicro SYS-E403-9D-14CN-IPD2),and O-CU
hardware (COTS servers, e.g., Supermicro SYS-220HE-FTNR). Near-RT RIC (RAN Intelligent Controller) is typically deployed on the same serveras O-CU. Core and MANO can be installed in the public cloud or also on CU server (private network deployments).

Figure 3 - IS-Wireless Open RAN solution architecture overview.
IS-Wireless integrated and tested their main product (5G RAN) on Supermicro servers - one unit of SYS-E403-9D-14CN-IPD2 and three units ofSYS-220HE-FTNR. The servers have been tested with IS-Wireless 5G RAN software (DU and CU network functionalities) on top of the Red Hat®
OpenShift® platform).

Figure 4 - The IS-Wireless solution deployed on Supermicro servers with RedHat operating system and virtualization platform.

© 2022 Copyright Super Micro Computer, Inc. All rights reserved

October, 20223

O-RAN Alliance defines an O-RAN ecosystem with different scenarios for Macro distributed, Macro centralized, RAN sharing / MORAN distributed, RAN sharing /MORAN - centralized. Due to a disaggregated and virtualized RAN solution, IS-Wireless can test all use cases below
in Open RAN scenarios 1,2,3,4,7,8 and 10.

Figure 5 - O-RAN ecosystem - example scenarios (Source: https://www.o-ran.org/o-ran-ecosystem)© 2022 Copyright Super Micro Computer, Inc. All rights reserved

October, 2022

4

Supermicro servers with RedHat OpenShift and IS-Wireless software can be used to test multiple configurations:● Single-node with both the control plane and worker functions in a smaller footprint.
● Triple-node clusters of combined control plane and worker nodes.
● Remote worker configurations where only the worker nodes are deployed at the edge.
IS-Wireless tested interoperability with Supermicro and RedHat in two options:● Single-node (DU/CU on a single server - typical scenario)● Triple-node (DU/CU on cluster made from three servers - high-reliability scenario).
From an IS-Wireless perspective, it is key that the equipment is future-proof and allows scaling up the network. The company also values
the performance of Supermicro servers, short lead time, and attractive commercial conditions. All of this makes Supermicro an ideal partner
for the solution. On top of this, the pole-mounted server solution provides additional significant benefits for ORAN deployment with limited
floor space. Where COTS hardware working as DU (Distributed Unit) can be installed close to the RU (Radio Unit) to reduce latency for uRRLC(ultra-Reliable and Low Latency Communications) services like V2X (Vehicle-to-Everything).
After performing tests, IS-Wireless declares that Supermicro servers are very well suited for 5G mobile networks deployed in the Open RAN
model.

Why Supermicro“Supermicro offered us Telco optimized 2U SYS-220HE System and Super Server SYS-E403-9D-14CN-IPD2 system. They are designed using
the market standard components, making the certification process simple. The hardware architecture is future proof as it’s thermally
prepared to support future generations of CPUs. The SYS-220HE System servers offer exceptional versatility and expandability. We can use
up to 10 expansion cards, including a wide range of accelerators, two CPUs withup to 270W TDP, and up to 32 DIMMS in a short depth (574mm) chassis. Thatallows us to use the same server model as a CU or DU, which keeps the total costof investment low. Serviceability is simplified with a toolless design. The ability towork directly with engineers designing the offered products is also anadvantage.” - Robert Cieloch, COO, IS-Wireless

About IS-Wireless
IS-Wireless develops and delivers 4G and 5G mobile networks, supporting moreusers with better performance at lower costs by applying cutting-edge
technologies. The company is a provider of software and hardware necessary forFigure 6 - Supermicro IP65 Mounted Server andbuilding 4G and 5G networks in the scope of both RAN and Core. IS-Wireless
2x SYS-220HE-FTNR
participates in the Open RAN revolution and expects significant changes in how
networks are built and deployed in the coming years. The company has beenrecognized as one of a few European RAN vendors by leading telco operators, including Deutsche Telekom, Orange, Telecom Italia (TIM),
Telefónica, and Vodafone, in their November 2021 report “BUILDING AN OPEN RAN ECOSYSTEM FOR EUROPE.” https://www.iswireless.com/© 2022 Copyright Super Micro Computer, Inc. All rights reserved

October, 20225