Live Connect is built on standard web technologies such as OAuth 2.0, Representational State Transfer (REST), and JavaScript Object Notation (JSON), and is designed to work with any technology or device including ASP.NET, Microsoft Silverlight (in-browser and out-of-browser models), Windows Presentation Foundation (WPF), Adobe Flash, PHP, and Java.
A number of brands of XML Firewall exist and they often differ based on parameters like performance (with or without hardware acceleration, 32 Vs 64 bit), scalability (how do they cluster and perform under load), security certification (common criteria, FIPS being the most common), identity support (for SAML, OAuth, enterprise SSO solutions) and extensibility (they can support different transport protocols like IBM MQ, Tibco EMS, etc.).