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SOAP 1.2  JAX-RPC and JAX-WS support SOAP 1.1. JAX-WS also supports SOAP 1.2. XML/HTTP  The WSDL 1.1 specification defined an HTTP binding, which is a means by which you can send XML messages over HTTP without SOAP. JAX-RPC ignored the HTTP binding. JAX-WS adds support for it. WS-I's Basic Profiles  JAX-RPC supports WS-I's Basic Profile (BP) version 1.0. JAX-WS supports BP 1.1. (WS-I is the web services interoperability organization.) New Java features  JAX-RPC maps to Java 1.4. JAX-WS maps to Java 5.0. JAX-WS relies on many of the features new in Java 5.0. Java EE 5, the successor to J2EE 1.4, adds support for JAX-WS, but it also retains support for JAX-RPC, which could be confusing to today's web services novices. The data mapping model  JAX-RPC has its own data mapping model, which covers about 90 percent of all schema types. Those that it does not cover are mapped to  javax.xml.soap.SOAPElement . JAX-WS's data mapping model is JAXB....

Reasons you may want to stay with JAX-RPC 1.1: If you want to stay with something that's been around a while, JAX-RPC will continue to be supported for some time to come. If you don't want to step up to Java 5. If you want to send SOAP encoded messages or create RPC/encoded style WSDL.

Reasons to step up to JAX-WS 2.0: If you want to use the new message-oriented APIs. If you want to use MTOM to send attachment data. If you want better support for XML schema through JAXB. If you want to use an asynchronous programming model in your web service clients. If you need to have clients or services that can handle SOAP 1.2 messages. If you want to eliminate the need for SOAP in your web services and just use the XML/HTTP binding. If you like playing with leading edge technology.

ARM architecture  has total 16 registers, each register is of 16 bit . Special Role in the procedure call standard r15 PC The Program Counter. The Link Register. The Stack Pointer. r14 LR r13 SP r12 IP The Intra-Procedure-call scratch register. r11 v8 Variable-register 8. Variable-register 7. r10 v7 r9 v6 SB TR Platform register. The meaning of this register is defined by the platform standard. r8 v5 Variable-register 5. r7 v4 Variable register 4. Variable reg...