Minor Clients consuming the List resources such as assemblies would expect to ask the server side to sort them by the value of certain attributes using a syntax of the form ?sort([+|-]<attribute>) or one of many variations thereof. There's no standard way of doing this so we should specify one or more in the spec.
The List resources specify the entities as Links which are name/URI pairs, so the most obvious sort option is on the name field. However most clients would expect to be able to sort on other attributes. See CAMP-188