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CORBA

CORBA. By Vijayalakshmi. Review — Object Adapters Serve as the glue between an object and the ORB no need for direct attachments between objects and ORBs OA responsibilities object registration, activation, reference generation, upcalls server process activation request demultiplexing

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CORBA

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  1. CORBA By Vijayalakshmi

  2. Review — Object Adapters • Serve as the glue between an object and the ORB • no need for direct attachments between objects and ORBs • OA responsibilities • object registration, activation, reference generation, upcalls • server process activation • request demultiplexing Review — Inter-ORB Protocols • General ORB interoperability architecture • based on the General Inter-ORB Protocol (GIOP) • Environment-Specific Inter-ORB Protocols (ESIOP) • Standard object reference format • Interoperable Object Reference (IOR)

  3. Review — CORBA Deficiencies • Difficult to optimize the ORB infrastructure to exploit • known operational regularities • Marshalling • complex marshalling even in a homogeneous case • Transport no alternative transports (e.g., shared memory) can do so via, e.g., DCE-CIOP • Application footprint is large • Deadlock detection not supported • Reclamation of objects (garbage collection) must be addressed

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