What is ComponentWarein a Software Context?

• Visual Basic: ActiveX controls

• Windows Programmers: DLLs

• JavaBeans

• CORBA

• Microsoft COM (DCOM, COM+)

• i.e.“Binary-Level” reuse

COM Component Market (excluding Microsoft) $300M in 1997, going to $3B in 2000

(Objects are almost never sold, bought, or deployed!)

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