The Object Management Architecture (OMA) is the Object Management Group’s framework for organizing standard objects and interfaces in distributed, object-oriented software. Its communication core is the Object Request Broker (ORB), while common services, reusable facilities, and application-specific objects fit around it.
What does OMA define?
OMA is an architectural framework, not a single software product. The Object Management Group (OMG) describes it as its vision for a component-software environment: standardized interfaces are intended to let software components work together across distributed systems and differing platforms and implementation techniques. The OMG OMA resource page says the architecture “embodies the OMG’s vision for the component software environment.”
The framework groups the main parts of that environment into four categories. They describe distinct responsibilities, not four products that must be installed together.
The four categories in OMA
| Category | Role in the architecture |
|---|---|
| Object Request Broker (ORB) | Communication infrastructure that lets objects make and receive requests and responses across a distributed environment. It is the central mechanism for interaction across heterogeneous systems. |
| CORBAservices | Common services for tasks such as managing object life cycles, controlling access, tracking relocated objects, and maintaining relationships among groups of objects. |
| CORBAfacilities | Reusable capabilities shared across applications, including horizontal facilities and facilities common to particular domains. |
| Application objects | Objects and interfaces that implement a particular application’s domain-specific behavior. They communicate through the ORB, either statically or dynamically. |
These category names and descriptions follow the OMG terminology page and its OMA overview. The ORB carries requests between objects; services and facilities provide capabilities that applications can reuse; application objects supply the behavior specific to the software being built.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
How OMA relates to CORBA
OMA is the organizing architecture. CORBA (Common Object Request Broker Architecture) specifies the reference-model ORB and related interfaces and interoperability mechanisms. In other words, OMA describes how the component environment is organized; CORBA supplies specifications for important parts of that environment.
The OMG’s CORBA 3.4 specification page lists normative documents covering interoperability, interfaces, and components. OMG’s version history records CORBA 3.4 as formally adopted in February 2021. That is a dated adoption fact, not a claim that 3.4 is the newest version currently available.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Why the architecture mattered
OMA addressed a basic challenge in distributed software: components written for different platforms or using different implementation techniques need agreed ways to expose interfaces and communicate. Standard interfaces and an ORB were intended to support portability and interoperability, making components easier to combine.
Those are architectural goals, not a guarantee of automatic compatibility. Implementations and deployments still need to conform to the relevant specifications and work through practical integration requirements. OMA is a framework for standards and component organization, not a promise that any two independently built systems will plug together without effort.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
OMA and the broader OMG standards history
The OMG’s account describes OMA as part of a standards landscape that expanded as modeling standards and middleware proliferated. The organization’s broader Model Driven Architecture (MDA) vision did not make OMA and MDA synonyms, nor did it eliminate OMA’s role: OMG says it continues to develop CORBA and related-services specifications within its standards work.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
