Your vShpere 5.5 has a web client support that means you can manage your VMware esxi environment from a web portal. vSphere web client has the complete features and options that you see on the actual desktop client. As it supports the AD integration you can even make use of the Single Sign-on feature on your computer.
In-order to use the single sign-on you need to install a client integration plugin for every computers that you plan to use the web client. So where to get this plugin?
The plugin is available under the web client itself. So If you login to the web client, it can be downloaded if you click on the Help>About VMware vSphere option on the upper right side of the web client.