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Reviewed-by: Hajba, László Antal <laszlo-antal.hajba@t-systems.com>
Co-authored-by: OpenTelekomCloud Proposal Bot <proposalbot@otc-service.com>
Co-committed-by: OpenTelekomCloud Proposal Bot <proposalbot@otc-service.com>
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OpenTelekomCloud Proposal Bot
2025-12-16 13:04:05 +00:00
committed by zuul
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.. _cc_01_0010:
Advantages
==========
Cloud Connect has the following advantages:
- **Full connectivity**
Any two network nodes can be connected, and data packets can be transmitted between them without passing through any other nodes.
- **Ease of use**
In just several simple steps, you can connect VPCs in different regions by attaching them to enterprise routers in the corresponding regions.
- **High performance**
Cloud Connect leverages the global network infrastructure to provide low-latency and high-quality connectivity. You can flexibly adjust bandwidth to meet your business requirements.
- **Global compliance**
Cloud Connect complies with laws and regulations worldwide, allowing you to focus on business innovation and build business success.

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.. _cc_01_0009:
Application Scenarios
=====================
A central network enables enterprise routers to communicate with each other, no matter whether they are in the same region or different regions.
- Connecting VPCs in different regions by attaching them to enterprise routers in the corresponding regions
Enterprise routers in different regions are added to a central network as attachments so that resources in these regions can communicate with each other over one network.
.. figure:: /_static/images/en-us_image_0000002445430860.png
:alt: **Figure 1** Cross-region communication between enterprise routers
**Figure 1** Cross-region communication between enterprise routers
- By flexibly changing the central network policies, you can set up a global network more conveniently.

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.. _cc_01_0000:
Service Overview
================
- :ref:`What Is Cloud Connect? <cc_01_0001>`
- :ref:`Advantages <cc_01_0010>`
- :ref:`Application Scenarios <cc_01_0009>`
- :ref:`Permissions <cc_01_0008>`
- :ref:`Interaction with Other Services <cc_01_0002>`
.. toctree::
:maxdepth: 1
:hidden:
what_is_cloud_connect
advantages
application_scenarios
permissions
interaction_with_other_services

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.. _cc_01_0002:
Interaction with Other Services
===============================
Interaction Between Central Networks and Other Services
-------------------------------------------------------
.. table:: **Table 1** Interaction between central networks and other cloud services or resources
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Cloud Service/Resource | Interaction |
+===================================+=================================================================================================================================================================================================================================+
| VPC | VPCs in different regions can be connected through enterprise routers for communications over a private network. |
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Enterprise Router | An enterprise router enables the VPCs in the same region to communicate with each other. Enterprise routers in different regions can be connected using a central network to allow for cross-region communication between VPCs. |
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Global connection bandwidth | A global connection bandwidth can be bound to a central network to allow the resources to communicate with each other over the backbone network, regardless of whether: |
| | |
| | - The resources are in the same geographic region. |
| | - The resources are in different geographic region. |
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Cloud Eye | Cloud Eye monitors central networks and allows you to view graphs of metrics. |
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| IAM | IAM allows you to control access to central networks and related resources. |
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| CTS | CTS records resource operations on Cloud Connect. |
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

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.. _cc_01_0001:
What Is Cloud Connect?
======================
Cloud Connect provides central networks that allow you to connect Virtual Private Clouds (VPCs) in different regions, so that these VPCs can communicate over a private network as if they were within the same network. Cloud Connect can also work with Direct Connect to set up a hybrid cloud network that enables on-premises data centers to access the VPCs across regions.
.. table:: **Table 1** Cloud Connect features
+----------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------+
| Feature | Application Scenarios | Bandwidth | Advantages |
+==========================================================+========================================================================================================================================+===============================================================================================================================================================================================+===========================================================+
| :ref:`Central Network <cc_01_0001__section118112332502>` | - Connect VPCs in different regions by attaching them to enterprise routers in the corresponding regions. | You need to buy and bind a global connection bandwidth to the central network and assign cross-site connection bandwidths to enable communication between the resources in different regions. | - Flexible networking |
| | - Connect on-premises data centers to VPCs in different regions by attaching them to enterprise routers in the corresponding regions. | | - Dynamic routing |
| | | | - A variety of attachments and network scenarios |
| | | | - Enterprise routers in different regions are connected. |
+----------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------------------------------------------+
.. _cc_01_0001__section118112332502:
Central Network
---------------
Relying on the cloud backbone network, a central network allows you to easily set up a reliable, intelligent enterprise-grade network and manage global network resources on premises and on the cloud. By setting up a central network, you can enable communication between enterprise routers, in the same region or different regions.
In :ref:`Figure 1 <cc_01_0001__fig8481153843220>`, the two VPCs (VPC-A01 and VPC-A02) are attached to an enterprise router (ER-A) in region A, two VPCs (VPC-B01 and VPC-B02) are attached to an enterprise router (ER-B) in region B, and two VPCs (VPC-C01 and VPC-C02) are attached to an enterprise router (ER-C) in region C.
The three enterprise routers (ER-A, ER-B, and ER-C) are connected over a central network. In this way, the enterprise routers can communicate with each other across regions, and the VPCs in these regions can communicate with each other.
.. _cc_01_0001__fig8481153843220:
.. figure:: /_static/images/en-us_image_0000002445232846.png
:alt: **Figure 1** How a central network works
**Figure 1** How a central network works
.. table:: **Table 2** Central network concepts
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Concept | Description |
+===================================+=================================================================================================================================================================================================================================+
| Enterprise router | An enterprise router enables the VPCs in the same region to communicate with each other. Enterprise routers in different regions can be connected using a central network to allow for cross-region communication between VPCs. |
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Global connection bandwidth | A global connection bandwidth can be bound to a central network to allow the resources to communicate with each other over the backbone network, regardless of whether: |
| | |
| | - The resources are in the same geographic region. |
| | - The resources are in different geographic regions. |
+-----------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
Accessing Cloud Connect
-----------------------
You can access Cloud Connect through the management console or by calling HTTPS-based APIs.
- Using the management console
The management console is a web-based GUI where you can easily perform various operations. Log in to the management console and choose **Cloud Connect** from the main menu.
- Using APIs
If you need to integrate Cloud Connect into a third-party system for secondary development, you can use APIs to access Cloud Connect. For details, see the *Cloud Connect API Reference*.