Service-oriented architecture, or SOA, is a way of standardizing applications so they can talk to each other. It means that companies can easily communicate with each other on data and process levels. Among other things, SOA is working on the back end of on-demand services, so you may already be benefiting from SOA, according to Nari Viswanathan, research director at Aberdeen Group. The analyst walks viewers through the SOA landscape, addressing such issues as what companies need service-oriented architecture, and what vendors to work with. [Run Time (Min): 11:23]