[DT] Cloud-to-Device

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Digital Twin & Cloud

Cloud-to-Device

Cloud-to-Device OTA

Securely deliver software, firmware, and system updates from the cloud to connected devices over the air, enabling remote deployment, efficient version management, and continuous maintenance throughout the device lifecycle without requiring physical access to each device.

eSync OTA vs. Carota OTA vs. Mender OTA

Competitive Analysis

Carota OTA information is available upon request.
The LG OTA comparison will be updated accordingly.

Features and Functionality

Please re-check the platform supportability with our consultants.
Android/AAOS uses its own delta and updater for integration. Serial/Chain update needs to be developed via NRE.

  
        Category
        eSync OTA
        Carota OTA
        Mender OTA
      
        Industry
        
          Automotive (Target)
          Industrial Embedded & IoT
        
          Automotive (Target)
          Industrial Embedded & IoT (Target)
        
          Automotive
          Industrial Embedded & IoT (Target)
        
        Scalability Per Device
        Experience of MAX 133 ECUs(theoretically up to 512 SOC's)
        Experience of MAX 67 ECUs(theoretically no limit on # of SOC's via UDS)
        Multiple device updates possible using Mender gateway(Normally 1 SOC/device)
      
        Server Environments*
        
          AWS, Azure, Baidu, GCP
          On-Premise or SaaS (Hosted)
        
          AWS, Azure, Baidu, TenCent, Alibaba, GCP
          On-Premise (either on the cloud or on the customer's server) or SaaS (Hosted)
        
          AWS, Azure
          On-Premise (either on the cloud or on the customer's server) or SaaS (Hosted)
        
        Device EnvironmentEmbedded Linux
        
        Device EnvironmentQNX
        
        Device EnvironmentFreeRTOS
        
        Not Confirmed
        
        Device EnvironmentIntegrity
        
        Not supported (can be ported via NRE)
        Not supported
      
        Device EnvironmentAndroid or AAOS
        
        Not supported
      
        Device EnvironmentAUTOSAR CP/AP
        
        Not supported
      
        Delta support**
        
          Delta generator by Server
          For Android, you can upload the delta binary generated by the Android tool to the server and proceed OTA.

          Delta generator by Server and Tool (CLI)
          For Android, you can upload the delta binary generated by the Android tool to the server and proceed OTA.

          Delta generator by Server and Tool (CLI)
          Android is not supported.

        Serial/Chain update**
        
        Supported In-Vehicle Network
        
          CAN, LIN, Ethernet
          IVN (In-Vehicle Networks) solution on AVB/TSN, DoIP, UDS, SOME/IP protocol stack
        
          CAN, LIN, Ethernet
          IVN (In-Vehicle Networks) supports AVB/TSN, DoIP, DoCAN, UDS, SOME/IP protocol stack
        
        Ethernet
      
        Data Management / Diagnosis
        
          eDatX solution
          Aggregation, Storage & Access to the Data
Manage Flow, Quantity and Formats

          Remote Diagnostics Components
          Diagnostic Engine
Device Log Broker
Android Diagnostics Agent (see slide)

          Add-ons for Diagnosis
          Configure
Monitor
Troubleshoot

        OTA Testing
        Script/Log Testing
        OTA Testing equipment/Tooling (see slide)
        Script/Log Testing

Category	eSync OTA	Carota OTA	Mender OTA
Industry	Automotive (Target) Industrial Embedded & IoT	Automotive (Target) Industrial Embedded & IoT (Target)	Automotive Industrial Embedded & IoT (Target)
Scalability Per Device	Experience of MAX 133 ECUs(theoretically up to 512 SOC's)	Experience of MAX 67 ECUs(theoretically no limit on # of SOC's via UDS)	Multiple device updates possible using Mender gateway(Normally 1 SOC/device)
Server Environments*	AWS, Azure, Baidu, GCP On-Premise or SaaS (Hosted)	AWS, Azure, Baidu, TenCent, Alibaba, GCP On-Premise (either on the cloud or on the customer's server) or SaaS (Hosted)	AWS, Azure On-Premise (either on the cloud or on the customer's server) or SaaS (Hosted)
Device EnvironmentEmbedded Linux
Device EnvironmentQNX
Device EnvironmentFreeRTOS		Not Confirmed
Device EnvironmentIntegrity		Not supported (can be ported via NRE)	Not supported
Device EnvironmentAndroid or AAOS			Not supported
Device EnvironmentAUTOSAR CP/AP			Not supported
Delta support**	Delta generator by Server For Android, you can upload the delta binary generated by the Android tool to the server and proceed OTA.	Delta generator by Server and Tool (CLI) For Android, you can upload the delta binary generated by the Android tool to the server and proceed OTA.	Delta generator by Server and Tool (CLI) Android is not supported.
Serial/Chain update**
Supported In-Vehicle Network	CAN, LIN, Ethernet IVN (In-Vehicle Networks) solution on AVB/TSN, DoIP, UDS, SOME/IP protocol stack	CAN, LIN, Ethernet IVN (In-Vehicle Networks) supports AVB/TSN, DoIP, DoCAN, UDS, SOME/IP protocol stack	Ethernet
Data Management / Diagnosis	eDatX solution Aggregation, Storage & Access to the Data Manage Flow, Quantity and Formats	Remote Diagnostics Components Diagnostic Engine Device Log Broker Android Diagnostics Agent (see slide)	Add-ons for Diagnosis Configure Monitor Troubleshoot
OTA Testing	Script/Log Testing	OTA Testing equipment/Tooling (see slide)	Script/Log Testing

Security and Safety Compliance

Category	eSync OTA	Carota OTA	Mender OTA
Device-Server communication	Secure TLS communication	Secure TLS communication	Secure TLS communication
Device Security	Signed image Device Authentication (CA, Key Management)	Signed image Device Authentication (CA, Key Management)	Signed image Device Authentication (CA, Key Management)
User Security	Web UI and API calls over HTTPS encrypted with TLS Role Based Access Control SAML support OKTA Azure/Microsoft AWS	Web UI and API calls over HTTPS encrypted with TLS Role Based Access Control SAML support can integrate any SSO (via NRE) Azure/Microsoft AWS	Web UI and API calls over HTTPS encrypted with TLS Role Based Access Control SAML support (*Mender Enterprise plan only) OKTA Azure/Microsoft AWS Google
Cybersecurity / Functional Safety Compliance	automotive Safety (ISO 26262) automotive Cyber Security (ISO 21434) WP.29 R155, R156 A-SPICE CL.2 TISAX GDPR, ISO 27001 IEEE 1722 Layer2 AVBTP IEEE 802.1AS AVNU excelfore.com/product-security-and-safety-compliances	automotive Safety (ISO 26262) automotive Cyber Security (ISO 21434) WP.29 R155, R156 A-SPCIE CL.2 (+ IEC 60335 Annex U) TISAX GDPR, ISO 27001 carota.ai/carota/honor	automotive Cyber Security (ISO 21434) WP.29 R155, R156 GDPR, ISO 27001 Industrial Safety (IEC 61508) Cyber Security (IEC 62443) pages.mender.io/auto_regulation_pp-mender
Partner for Security	Collaboration with IIJ Global	Collaboration with GuardKnox carota.ai/articles/103	N/A

Usability and Accessibility

Category	eSync OTA	Carota OTA	Mender OTA
Integration	NRE via tQCS-Excelfore Server Deployment Support Client Integration Support Agent Development/Porting Support or Self-Development with provided SDK	NRE via tQCS-CarOTA Server Deployment Support Client Integration Support with Self-development/porting with provided SDK	NRE via tQCS-Northern.Tech Self-development with Client/Server installation
Community	eSync Alliance (Multi-OEM/Tier Initiative) esyncalliance.org	—	Mender Hub (OSS Developers Initiative) hub.mender.io
Source Code Accessibility	Server – NO Device (Client – NO, Agent – YES) Open Architecture and Specification Standards thru eSync Alliance	Server – NO Device – NO (Yes on custom development) Closed Architecture (based on Uptane)	Server – YES (Open Source Software) Device – YES (Yocto/Embedded Linux) Mender provides both the client-side updater and the backend and UI code (excluding Add-ons code, and core Enterprise features available at Mender Enterprise Edition) github.com/mendersoftware
Proof of Concept	Live Demonstration Available upon request Evaluation (Paid) Azure SDK for Agent: azuremarketplace.microsoft.com/.../excelfore1580413504258.esync-agent-sdk AWS SDK for Agent: aws.amazon.com/marketplace/pp/prodview-rh3fkzmvblrrc	Live Demonstration Available upon request No Evaluation (Live-Demo available)	Live Demonstration Available upon request Evaluation (Free) You can test 10 devices for free for 12 months after signing up on Mender. hosted.mender.io/ui/#signup/tqcs

Cloud-to-Device Enterprise Solutions

Excelfore eSync
Automotive OTA
Secure and scalable over-the-air updates for connected vehicles. Remotely deploy software across multiple ECUs, manage update campaigns, and collect vehicle data through a bidirectional pipeline.
- Software & Firmware Updates
- Multi-ECU Updates
- Update Orchestration
- Automatic Rollback
- Delta Updates
- Secure Update Delivery
- Vehicle Data Collection
- Remote Diagnostics
- Campaign Management
- Multi-Platform Support
Learn More
LG OTA&DM
OTA & Device Management
Secure and scalable over-the-air updates and device management for connected products. Remotely deploy software, manage devices, collect data, and diagnose systems across diverse platforms.
- Software & Firmware Updates
- Multi-OS Support
- Delta Package Generation
- A/B Seamless Updates
- Automatic Rollback
- Gateway Delta Updates
- Secure Update Delivery
- Device Configuration
- Remote Diagnostics
Learn More
Mender
OTA (over-the-air)
Secure, risk tolerant and efficient over-the-air updates for all device software. Remotely manage and deploy updates to your device fleet at scale worldwide.
- Application Updates
- Operating System Updates
- Container Updates
- Package & File Updates
- Custom Update Modules
- State Scripts
- Deployment Management
- Device Inventory
- Fleet Management
- Remote Device Management
Learn More

Cloud-to-Device Case Studies

[Case Studies] Digital Twin & Cloud

OTA solution for automated smart apartments

Fast OTA integration for quicker smart-device deployment
Reliable remote updates with rollback support
New features and security fixes without user intervention
Scalable OTA management across the connected device fleet

Protecting emergency fire intel with a robust OTA update infrastructure

Automated CI/CD for faster, lower-effort software releases
Remote diagnosis and remediation without physical device access
Stronger security across devices and fleet operations
Scalable fleet management with team-wide visibility and control

OTA software updates for vessels over VSAT communication

Secure OTA updates over low-connectivity satellite networks
Easy integration with AWS IoT Core and existing systems
Fewer onsite visits through remote software updates
Higher device uptime with fail-safe update design

OTA solution for a Linux-based IoT edge device and a smart safe

Learn how Gunnebo Business Solutions uses Mender for the automated provisioning of Linux base image updates to connected security products from within Microsoft Azure CI/CD workflows.

OTA solution for internet connected scooter

Time savings of developing and implementing a homegrown solution in pre-production phases
Cost savings associated with feature and service updates without the need for vehicle recall when in production
Increased productivity with an easy to use web UI leading to time and financial savings over the number of users and hours each user is active