Installation and Deployment > Web Front-End Architecture Overview HOPEX V2R1 > Communication
Communication
 
Between Web Client and Web server (Web Application Server)
Between Environment SSP or MIK and Database server (Oracle, SQL Server)
Between Environment SSP or MIK and mail server
Between Environment SSP or MIK and file server (file access, license access)
Between Environment SSP and LDAP Server
Between Web Client and Web server (Web Application Server)
 
Protocol
HTTP by default
Port
80 by default
Network bandwidth
Per equivalent modeller user
60 Kbit/s average bandwidth
512 Kbit/s peak bandwidth
Network latency
100 Ms maximum (A)
(A) For a ping of 5 KB (It is recommended to use the hrping utility). Refer to the separate article 'RDBMS Repository Installation guide HOPEX V2R1'.
Note that a proxy configuration can be required: see section 'Security' of this document.
 
Between Environment SSP or MIK and Database server (Oracle, SQL Server)
 
Protocol
Oracle: Oracle Native Protocol
SQL Server: SQL Server Protocol
Port
Oracle: Example TCP 1521 (B)
 
SQL Server: Example UDP/TCP 1433 (B)
Network bandwidth
1 Gbit/s minimum full duplex (C)
Network latency
1 Ms maximum (A)
(A) For a ping of 5 KB (It is recommended to use the hrping utility). Refer to the separate article 'RDBMS Repository Installation guide HOPEX V2R1'.
(B) Default port, check the appropriate port with the database administrator.
(C) For 30 concurrent users.
 
Between Environment SSP or MIK and mail server
 
Protocol
SMTP
Port
25 by default, configurable
Network bandwidth
1 Gbit/s minimum full duplex (C)
Network latency
1 Ms maximum (A)
 
 
Between Environment SSP or MIK and file server (file access, license access)
 
Protocol
SMB/CIFS
Port
UDP/TCP 138
UDP/TCP 137
UDP/TCP 139
UDP/TCP 445
Network bandwidth
1 Gbit/s full duplex
 
Between Environment SSP and LDAP Server
Protocol
LDAP
Port
TCP 389 by default (B)
Direction
Bidirectional
(B) Default port, check the appropriate port with the LDAP server administrator.