Mobile Service Architecture (MSA)
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Mobile Service Architecture (MSA) is an specification from Java Community Process (JCP) to reduce Java ME device fragmentation and allows vendors to distribute new devices under this umbrella. So, if a device is a MSA phone, you are sure what additional APIs have.
Like its predecessor, JTWI, MSA is an umbrella over a collection of familiar, updated, and new JSRs that cooperate to support applications with a wide range of standardized capabilities in Java ME.
There are two MSA standards, depending on the platform.
Mobile Service Architecture for CLDC/MIDP (JSR 248)
It defines two lists, a full MSA stack that comprises 16 JSRs, and a subset of eight JSRs.
MSA Subset includes:
- MIDP 2.0
- CLDC 1.1
- FileConnection & PIM API (JSR 75), also known as PDA Optional Packages
- Bluetooth API (JSR 82)
- MMAPI (MMAPI) (JSR 135)
- Wireless Messaging API (Wireless Messaging API) (JSR 120)
- Mobile 3D Graphics API (JSR 184)
- Scalable 2D Vector Graphics API (SVG API) (JSR 226)
MSA standard adds:
- Security and Trust Services API (SATSA) (JSR 177)
- Web Services API (JSR 172)
- Location API (JSR 179)
- SIP API (JSR 180)
- Mobile Internationalization API (JSR 238)
- Content Handler API (JSR 211)
- Payment API (JSR 229)
- Advanced Multimedia Supplements (JSR 234)
Mobile Service Architecture Advanced for CDC (JSR 249)
This specification is still in progress. More information on Java Community Process (JCP).
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