LOB Adapter vs BizTalk Adapter

Differences between the Windows Communication Foundation (WCF) Line-Of-Business (LOB) Adapter Pack and the BizTalk Adapter Framework
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Difference between WCF LOB Adapter SDK and BizTalk Server Adapter Framework

S.No	WCF LOB Adapter SDK	BizTalk Server Adapter Framework
1	API: .NET 3.0 Assembly, provides help classes for metadata processing, connection management, and messaging .	API: COM, provides basic support for adapter operations.
2	Adapter exposure: Exposed as WCF binding; available to any application that can consume a WCF binding including BizTalk Server 2006 R2 (using the WCF adapter).	Adapter exposure: Exposed only to BizTalk Server; not reusable by other applications.
3	Tools : Adapter Code Generation Wizard, metadata browser for Visual Studio 2005.	Tools : N/A
4	Extensibility : Yes (as WCF channel extension)	Extensibility : No