Deployment Example: Single Sign-On, Load Balancing and Failover Using Sun OpenSSO Enterprise 8.0

2.4 Intercomponent Communication

The following table provides an overview of the types of communication that take place between servers, load balancers, and other components in the deployment example.

Table 2–4 Summary of Intercomponent Communication


Entity A	Entity B	Bi-Directional	Port	Protocol	Traffic Type
Internet Users	Load Balancer 4		90	HTTP	Application Traffic
Internet Users	Load Balancer 5		91	HTTP	Application Traffic
Internet Users	Load Balancer 3		1443	HTTPS	Internet User Authentication
Load Balancer 3	Distributed Authentication User Interface 1		1443	HTTPS	Internet User Authentication
Load Balancer 3	Distributed Authentication User Interface 2		1443	HTTPS	Internet User Authentication
Load Balancer 4	Protected Resource 1		1080	HTTP	Application Traffic
Load Balancer 4	Protected Resource 2		1080	HTTP	Application Traffic
Load Balancer 5	Protected Resource 1		1081	HTTP	Application Traffic
Load Balancer 5	Protected Resource 2		1081	HTTP	Application Traffic
Distributed Authentication User Interface 1	Load Balancer 2		1081	HTTPS	Internet User Authentication
Distributed Authentication User Interface 2	Load Balancer 2		1081	HTTPS	Internet User Authentication
Protected Resource 1	Load Balancer 2		1081	HTTPS	Agent - OpenSSO Enterprise communication
Protected Resource 2	Load Balancer 2		1081	HTTPS	Agent - OpenSSO Enterprise communication
Load Balancer 3	OpenSSO Enterprise 1		1081	HTTPS	Agent - OpenSSO Enterprise communication for authentication
Load Balancer 3	OpenSSO Enterprise 2		1081	HTTPS	Agent - OpenSSO Enterprise communication for authentication
OpenSSO Enterprise 1	OpenSSO Enterprise 2	Yes	1081	HTTPS	Back-channel communication
OpenSSO Enterprise 1	Message Queue 1		7777	HTTP	Session communication
OpenSSO Enterprise 1	Load Balancer 1		489	LDAPS	User profile communication for authentication
OpenSSO Enterprise 2	Message Queue 2		7777	HTTP	Session communication
OpenSSO Enterprise 2	Load Balancer- 2		489	LDAPS	User profile communication for authentication
Message Queue 1	Message Queue 2	Yes	7777	HTTP	Session communication
Message Queue 2	Message Queue 1	Yes	7777	HTTP	Session communication
Load Balancer 1	Directory Server 1		1736	LDAPS	User profile communication for authentication
Load Balancer 1	Directory Server 2		1736	LDAPS	User profile communication for authentication
Directory Server 1	Directory Server 2	Yes	1489	LDAP	Data replication communication
Directory Server 2	Directory Server 1	Yes	1489	LDAP	Data replication communication