Google Cloud Interconnect

3.1 What is Google Cloud Interconnect

Google Cloud Interconnect allows you to create connections between data centers of Google cloud platforms and IT environments. Google Cloud Interconnect provides access directly to Google resources: Google Compute engine, Google cloud storage, Google Bigquery, Google Apps for work.

Linxdatacenter Moscow Linxdatacenter Saint Petersburg
Google Belgium 54 ms, 5 Mbit/s to 10 Gbit/s 43 мс, от 5 Мбит/с до 10 Гбит/с
Google London 52 мс, от 5 Мбит/с до 10 Гбит/с 41 мс, от 5 Мбит/с до 10 Гбит/с
Google Virginia 129 мс, от 5 Мбит/с до 10 Гбит/с 118 мс, от 5 Мбит/с до 10 Гбит/с
Google Oregon 185 мс, от 5 Мбит/с до 10 Гбит/с 174 мс, от 5 Мбит/с до 10 Гбит/c
Google Tokyo 275 мс, от 5 Мбит/с до 10 Гбит/с 264 мс, от 5 Мбит/с до 10 Гбит/с
Google Singapore 334 мс, от 5 Мбит/с до 10 Гбит/с 323 мс, от 5 Мбит/с до 10 Гбит/с

3.2 Features and Benefits 

The Cloud Exchange networking platform allows integration with Google and has the following benefits:

  • lower network latency compared to connecting over the Internet;
  • high availability and reliability;
  • access to Google directly, avoiding third-party networks;
  • reducing the cost of outgoing traffic.

3.3 How it works

The connection consists of a physical network connection from the customer's office or data center to Linxdatacenter's data center locations in Moscow (14, bldg. 1, 8th March street) and St. Petersburg (20a, Repischeva street), where the Cloud Exchange direct access ports are located.

Each Google Cloud Interconnect connection point has a high-speed fiber optic connection and API integration with Cloud Exchange, which simplifies ordering, provisioning and ongoing management.

3.4 Capacity 

Bandwidth for the Client is scalable from 5 Mbit/s to 10 Gbit/s in 1 Mbit/s increments.

3.5 Connection options

Different applications and workloads require different network connectivity solutions. Several ways to connect your infrastructure to the Google Cloud Platform are supported.

3.5.1. Dedicated Interconnect 

Dedicated Interconnect – это подключение корпоративного уровня к сети виртуального частного облака (VPC) к Google Cloud Platform. Данный вариант подключения рекомендуется для обеспечения высокой пропускной способности и при передаче больших объемов данных.

3.5.2. IPsec VPN 

Google Cloud VPN is a secure connection to a VPC network in the Google Cloud through an IPSec VPN connection. Traffic moving between the two networks is encrypted by one VPN gateway and then decrypted by another VPN gateway. The connection is designed to transmit small amounts of data.

3.5.3. Direct Peering 

Direct Peering is a direct connection to Google's public services and Google Cloud. It allows you to save on outgoing traffic charges compared to VPN or public access over the Internet. It is necessary to meet Google's requirements for peering (see Appendix 1.4).

3.5.4. Carrier Peering 

Carrier Peering is a connection to Google's public infrastructure via a partner. It is used if the Client does not meet Google's requirements for peering.

Dedicated Interconnect
Dedicated, direct connection to VPC networks
Internal IP address in the RFC 1918 address space 10 Gbps for each connection
IPsec VPN tunnel
Encrypted tunnel in the VPC network
Internal IP address in the RFC 1918 address space Up to 1 Gbps for each tunnel
Direct Peering
Dedicated, direct connection to the Google network
Public IP address 10 Gbps for each connection
Carrier Peering
Peering through the operator to the Google public network
Public IP addresses  Variable

3.6 How to order

  • Develop a communications scheme in collaboration with Linxdatacenter network engineers.
  • Order the selected connection option from the Google Cloud Platform side.
  • Tell Linxdatacenter the service key for the connection.
  • Set up routing on the Client side of the network and start using it.

3.7 Tariffication

  • The customer pays for Google Cloud Platform services himself.
  • Linxdatacenter charges for:
    - channel bandwidth - according to the resources used;
    - services to technical support - for man-hours.
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business challenge

The customer faced a technical issue with a persistent BGP session flag with Linxdatacenter hardware. We examined the problem and found out that one of customer’s hosts was under a DDoS attack.

Because of the distributed nature of the attack, traffic couldn’t be filtered effectively, and disconnecting the host from the external network wasn’t an option. The attack stopped after changes in the server configuration, but resumed the day after. A 5.5 Gbps attack overloaded the junctions with internet providers, affecting other Linx Cloud users. To mitigate the effects of the attack, we employed a dedicated DDoS protection service.


To ensure the continuous availability of resources hosted in Linx Cloud, we rerouted all the customer’s traffic through StormWall Anti-DDoS system. The attack was stopped within half an hour. To prevent future cyberattacks, we organized all connections to the customer’s resources through the StormWall network.

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