!!! Overview[1]
[{$pagename}] is the act of initiating multiple [data] requests to various parameters, [APIs], or [microservices], in a single call. 

[{$pagename}] is the same idea as done in other programming where you might create a method that calls several other methods.

[{$pagename}] is typically performed as a convenience or to optimize the request for the [Client] consolidating what would take multiple requests from the [client] into fewer requests.

!! A narrative 
One example is to think about how mail is handled via the hub-and-spoke model. When you write a letter, this letter is dropped off in a post box. The postman then collects these letters and parcels, binding them together for processing. At the processing shop, these bundles from everywhere in your city are bundled together into even larger crates depending on their destination and purpose. [{$pagename}] works much the same. The big benefit of this method arises in that postal metaphor — the joining of unrelated resources within a single action.

!! [LDAP] [{$pagename}]
In [LDAP] [DIT Chaining] is [{$pagename}] of [Search Request]

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [Weighing the Pros and Cons of API Chaining|http://nordicapis.com/weighing-the-pros-and-cons-of-api-chaining/|target='_blank'] - based on information obtained 2017-04-18