---
title: "Key Terminology"
slug: "key-terminology"
updated: 2025-04-08T20:53:34Z
published: 2025-04-08T20:53:34Z
canonical: "kb.expedient.com/key-terminology"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://kb.expedient.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Key Terminology

Here is some of the terminology you might hear while working with us:

**OSC** - Operations Support Center - available 24x7

**SMC** - Support Management Console - portal that includes our ticketing system

### **Expedient Market Cities**

Expedient has recently decided to move 4 character site codes. Many of our systems will still use the old site codes

| **Market** | **Legacy Site Code** | **Updated Site Code** | **Description** |
| --- | --- | --- | --- |
| Baltimore | TDP |  | 1050 Hull Street, Baltimore, MD |
| Baltimore | OWM | BWI1 | 11155 Red Run Boulevard, Owings Mills, MD |
| Boston | CAB |  | 1 Cabot Road, Medford, MA |
| Boston |  | BOS1 | 70 Inner Belt Road, Somerville |
| Cleveland | 151 | CLE1 | 151 Neo Park, Cleveland, OH |
| Cleveland | 152 | CLE2 | 152 Neo Park, Cleveland, OH |
| Columbus | UPA | CMH1 | 5000 Arlington Centre Boulevard, Upper Arlington, OH |
| Columbus | DUB | CMH2 | 5700 Innovation Drive, Dublin, OH |
| Columbus |  | CMH3 | 281 East Powell Road, Lewis Center, OH |
| Denver | RVR | DEN1 | 7347 South Revere Parkway, Building C, Centennial, CO |
| Indianapolis | 701 | IND1 | 701 Congressional Boulevard, Carmel, IN |
| Memphis | PLA | MEM1 | 3180 Players Lane, Memphis, TN |
| Milwaukee | IRN | MKE1 | 4777 West Ironwood Drive, Franklin, WI |
| Phoenix | PHX |  | 21 East 6th Street, Suite 110 Tempe, AZ |
| Phoenix | TWN | PHX1 | 2475 West Townley Avenue, Phoenix, AZ |
| Pittsburgh | 810 | PIT1 | 810 Parish Street, Pittsburgh, PA |
| Pittsburgh | ACM | PIT2 | 100 South Commons, Suite 001, Pittsburgh, PA |

Other terminology:

**DRaaS** - Disaster Recovery as a Service

**EEC** - Expedient Enterprise Cloud

**EEW** - Expedient Enterprise Workspace

**ESG** - VMware NSX-V Edge Services Gateway

**Stretch Network** - Typically a network that spans two or more EEC vDCs, often between Expedient datacenter

**vDC** - Virtual Datacenter (a term used alongside EEC)

**VPG** - Virtual Protection Group (a term used where Zerto is part of the solution)