14. SSL / TLS
SNNP v3 - SNMP v2 and
Security
for Messages, Access
Control
HTTP Authentication
(Basic / Digest)
SNMP v2 - Community
Name
Security
Parameters
MIB (Management
Information Base)
Managed Objects
XML / SOAP
ASN.1 / BER (Basic Encoding Rule,
also named TLV, Tag-Length-Value)
Encoding
None
(but HTTPS : 443 for SSL/TLS)
UDP Port 161 - SNMP Messages
UDP Port 162 - SNMP Trap Messages
Well-Known Port
TCPUDPTransport Protocol
Application LayerProtocol Layer
DSL Forum
IETF
(The Internet Engineering Task Force)
Support Organization
CWMPSNMP
與現有網管協定 SNMP 之比較 (1/2)
15. Parameter’s name (string)Object ID (OID)
Identifying
managed object
DynamicPre-defined
How to know
managed objects
CPE (CPE knows the address of the
management system)
Network Management System (the
system knows the addresses of
managed CPEs)
Active
Contacting
Having no other request in both end,
terminating the connection.
Could be hold until the CPE shutdown
/ reboot / exception
Contacting
Persistency
CWMPSNMP
ManyFew
Number of protocol
Defined managed
objects
與現有網管協定 SNMP 之比較 (2/2)