Definitions and Terminology

Updated by Billy Yang

ETHERNET VIRTUAL CONNECTION (EVC)

A Data link virtual connection bridging two network interfaces together to enable communication.

INTERMARKET ETHERNET VIRTUAL CONNECTION (EVC)

A Data link virtual connection bridging two network interfaces in different physical markets together to enable communication.

INTERSITE ETHERNET VIRTUAL CONNECTION (EVC)

A Data link virtual connection bridging two network interfaces in the same physical markets together to enable communication.

LAYER 2

The data link layer in the 7-Layer Open Systems Interconnection (OSI) stack. Utilizes Ethernet based protocols and provides networks with the ability to send data packets via MAC addresses / Virtual Local Area Networks (VLANs).

LAYER 3

The network layer in the 7-Layer Open Systems Interconnection (OSI) stack. Utilizes IP based protocol and allows networks with the ability to route and forward data packets.

VIRTUAL ROUTER (VR)

Software replicating the functionality of a hardware-based Layer 3 Internet Protocol (IP) routing device.

PORT

These are physical interfaces in which traffic flows to and from the CoreSite infrastructure. In order to create an EVC, Customer’s must have an active OCX Port.

PORT ATTACHMENT

A Data link virtual connection bridging the customer's OCX Port with the customer's Virtual Router.

NRC

Non-recurring charge.

MRC

Monthly recurring charge.

ORDER STATUS'

Active:

This status indicates that your service has been successfully provisioned and available to use.

Disconnected:

This status indicates that your service has been successfully terminated and the correlating service is not available to use.

Cancelled:

This status indicates that your service has encountered issues during the automated provisioning process and that auto-provisioning efforts have ceased. The corresponding order / service will no longer proceed through the automation process.

Provisioning:

This status indicates that your service has entered the automated provisioning process. No action is required by users when an order is in this status.

Credential Failure

This status indicates that invalid cloud provider credentials were provided.  As a result, the order request is cancelled and users will need to submit another EVC add request with the correct cloud provider credentials.


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