1.2. Document change history

This version of the Developer Guide replaces and obsoletes all previous versions. The most recent changes are described in the table below:

Revision DateSummary of Changes

August 12, 2015

July 23, 2015

July 21, 2015

  • Added information for Create load balancer about HTTP X-forwarded headers and httpsRedirect body parameter.

July 14, 2015

  • Removed information about node status going from OFFLINE to ONLINE after changing condition to ENABLED from DRAINING until that feature is working correctly again in Add node.

July 8, 2015

May 7, 2015

April 23, 2015

April 20, 2015

April 16, 2015

April 15, 2015

March 23, 2015

February 25, 2015

January 15, 2015

November 13, 2014

November 7, 2014

October 27, 2014

October 7, 2014

October 7, 2014

September 22, 2014

  • Modified normal response code for Delete load balancer from 200 to 202 in API Operations chapter.

September 22, 2014

  • Modified normal response code for Delete load balancer from 200 to 202 in API Operations chapter.

September 17, 2014

  • Added normal and error response codes and examples in Add virtual IP version 6 API operation.

September 11, 2014

August 12, 2014

August 1, 2014

July 22, 2014

July 15, 2014

  • Rearchitected this Cloud Load Balancers Devguide to be wadl-based, which is now the standard for all of our API Devguides. Note that the Devguide has been refactored as a result, causing some sections to be renamed and some sections to be added in the API Operations Chapter.

June 30, 2014

  • Added currentConn field to response returned by List Load Balancer Stats API call and updated response examples accordingly. Added description to detail the duplication of stats for SSL Termination. Refer to Section 4.3, “Load balancer statistics” for details.

  • Added response examples for List Account Level Usage and Report Current Usage. Refer to Section 4.7, “Usage reports” for details.

June 6, 2014

  • Added currentConn field to response returned by List Load Balancer Stats API call and updated response examples accordingly. Added description to detail the duplication of stats for SSL Termination. Refer to Section 4.3, “Load balancer statistics” for details.

March 24, 2014

  • Fixed JSON issues with several examples for load balancer connection throttling, monitoring, and SSL termination. Also fixed XML response example for Update Load Balancer Attributes.

January 10, 2014

  • Added notes that changing protocol or port for a load balancer disables session persistence.

  • Added 422 response (unprocessableEntity) to the list of Error Response Codes and a note about it to session persistence.

November 19, 2013

  • Added information for HTTPS redirection feature.

  • Added new Notes section in access lists.

October 22, 2013

October 15, 2013

  • Updated create load balancer to indicate that nodes are no longer a required attribute for creating a new load balancer. It is also now possible to delete or disable a load balancer's last remaining node.

September 26, 2013

July 23, 2013

  • Updated information for session persistence.

June 17, 2013

June 4, 2013

March 15, 2013

  • Added information for X-Forwarded-Port header (see create load balancer).

February 26, 2013

  • Added note about deleting a health monitor of any type.

February 5, 2013

January 15, 2013

  • Added note about port attribute for Create Load Balancer.

January 8, 2013

  • Added Half-Closed support for load balancers.

November 20, 2012

  • Updated note for specifying attributes for connection throttling.

November 8, 2012

  • Updated Section 3.6, “Paginated collections”.

  • Added timeout option to load balancer. Refer to create load balancer for the description of timeout and its usage.

  • Updated Shared IPs information with samples for IPv4/IPv6 combinations. Refer to create load balancer.

  • Added section for Health Monitoring based logging with ATOM and API formatted feeds.

October 25, 2012

October 9, 2012

August 2, 2012

  • Updated XML example for Modify Node.

July 27, 2012

  • Updated description for content caching.

July 24, 2012

  • Updated description for SOURCE_IP session persistence mode.

July 19, 2012

  • Updated information on the secondary nodes failover feature.

July 17, 2012

  • Updated for Auth 2.0 (refer to Section 3.1, “Authentication”).

  • An optional hostHeader field is supported for the HTTP and HTTPS health monitor.

  • Added additional information on the secondary nodes failover feature.

June 13, 2012

  • Added tables of required/optional attributes for POST and PUT requests.

  • Updated links for API documentation (see Section 1.3, “Additional resources”).

  • Added Metadata API calls to access metadata for a specified node.

  • Added support for content caching.

June 6, 2012

  • Updated service catalog information for authentication (see Section 3.1.2, “Authenticate”).

  • Updated information for the nodeaddress query parameter for finding out whether any load balancer for an account has a specific node attached to it: the parameter can specify the node using either a domain name or IP address.

  • Updated examples for load balancing protocols to include SFTP.

  • Updated response examples for load balancer usage to contain SSL data.

  • Added new SOURCE_IP session persistence mode.

  • Updated note for customers who are transferring certain types of Personally Identifiable Information (PII) and added information for x-forwarded-proto and x-forwarded-for headers.

April 6, 2012

  • List Load Balancers call now displays the node count.

  • Allow users to specify primary and secondary nodes for their load balancers.

  • Added API call List Allowed Domains so users can see the list of allowable domains.

  • Valid domain names can be used to add nodes.

  • Added API call List Billable Load Balancers to list an account's billable load balancers for a date range.

  • Added new protocols such as TCP Client First, DNS, UDP, and MySQL.

  • Fixed "View Load Balancing SSL Termination Configuration Response: JSON" example.

  • Metadata can be assigned to each load balancer.

March 9, 2012

  • Added note about ServiceNet in Section 3.2, “Service access and endpoints”.

  • Added note to customers describing who should not use SSL Termination.

  • Corrected note below Example 4.81 "View Load Balancing SSL Termination Configuration Response: JSON" about wrapping the key/certificates in a newline character in Java.

March 7, 2012

January 27, 2012

  • Deleted section 2.5.1 "Passive Health Monitor (No Longer Available)" since the passive health monitor has been disabled.

January 16, 2012

  • Updated information for virtual IP types to reflect that a default IPV6 is being provisioned when creating a load balancer.

January 4, 2012

November 22, 2011

  • Updated information about virtual IP types.

November 18, 2011

  • Updated list nodes with note about weight attributes.

November 17, 2011

  • Updated section 2.5.1 "Passive Health Monitor (No Longer Available)".

  • Added Section 3.9, “Date and time format”.

  • Updated list load balancers with information for query parameter nodeaddress.

  • Added .

October 13, 2011

  • Updated examples as needed to match the latest API.

October 11, 2011

  • Updated Atom examples.

September 26, 2011

September 7, 2011

  • Added basic TCP load balancing to allow customers to load balance traffic for any TCP-based protocol.

  • An X-Forwarded-For (XFF) HTTP header is now automatically inserted for all inbound HTTP requests. See create load balancer.

  • Added programmatic support for determining Cloud Load Balancer source addresses.

  • Added support for batch delete of Load Balancers, Nodes, Virtual IPs, and Access List Entries.

  • Updated Section 3.7.2, “Absolute limits” and added absolutelimits API call to Section 3.7.3, “Determine limits programmatically” to return the current absolute limits for the account.

  • Updated examples to match the current API.

July 8, 2011

  • Added service endpoint for London (LON) region.

July 7, 2011

  • Added support for accessing the Authentication Service, based on whether your account is US-based or UK-based.

June 29, 2011

  • Added support for IPv6.

April 19, 2011

  • Added details to support initial GA release.

March 2, 2011

  • Revised code samples and formatting to address initial beta feedback.

February 23, 2011

  • Initial release for public beta.

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