2. The method of claim 1 , further comprising: for a given protocol component, determining that a given context entry in the context store is for use by a given protocol implemented by the given protocol component and processing the canonical enveloped message using the given context entry.
2. The method of claim 1 , further comprising: for a given protocol component, determining that a given context entry in the context store is for use by a given protocol implemented by the given protocol component and processing the canonical enveloped message using the given context entry. 3. The method of claim 2 , wherein determining that a given context entry in the context store is for use by the given protocol comprises referencing a metadata element for the given context entry, the metadata element specifying that the given context entry is for use with the protocol implemented by the given protocol component.