If you have a number of requests including query parameters, you may be concerned that they won’t be treated the same through Fastly. Fastly does support the varnish extension
boltsort. This rule can be created within your Fastly configuration through a new header rule.
Headers . Select the
New button to create a new header
Name : boltsort (or preferred name) Type/Action : Request/Set Destination: url Source : boltsort.sort(req.url)`
Leave other default settings. Select the
Create button to add your new header. Then deploy your new configuration.