如何将sql server更新推送到Web UI

We have an ETL package that writes data to the SQL Server. Data is displayed on ASP.Net web pages. Occasionally ETL may recognize an alarm condition (it is also written to the database). In this case UI must be notified immediately. What is the appropriate technology to push something from either ETL or SQL Server to ASP.Net UI? StreamInsight appears to be an overkill. Cache Dependency doesn't seem to include a way to push events to the client. What is your recommendation?We have an ETL package that writes data to the