The OSS ASN.1 Tools completely shields the user from the intricacies of these encoding rules.
You can tailor the OSS ASN.1 Tools' output to suit your needs using command-line options, compiler directives, encoder/decoder flags, and other customization features.
The Space-Optimized Encoder/Decoder (SOED) is table-driven and, as its name implies, minimizes the use of memory, which is especially useful when the schema is large or complex. The SOED is a popular choice for use during development. Both the encoder and decoder have a simple, yet flexible, memory management interface, along with a wealth of trace, error trapping, diagnostic, and recovery features.
The Time-Optimized Encoder/Decoder (TOED) is a popular choice for deployment because of its emphasis on minimizing CPU utilization. OSS purposely minimized the trace feature and used a code-driven, rather than table-driven, design to achieve lightning speed.
The Lean Encoder/Decoder (LED) (packaged separately) is a table-driven encoder/decoder. Similar to the TOED, it is optimized for speed and, similar to the SOED, it uses a minimum amount of memory. The LED is best suited for embedded systems that have a limited amount of memory and require a short amount of processing time while running applications.
The following diagram shows an overview of the SOED and TOED workflow. For more information about choosing the right encoder/decoder that suits your specific needs, see ASN.1 Tools for C++ - Runtime Choices.
SOED and TOED workflow
You can use ASN.1 Studio to:
For more information, go to ASN.1 Studio.
This documentation applies to release 7.1 and later of the OSS® ASN.1 Tools for C++.
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