Message Flow - THOMSON TR-069 Configuration Manual

3| Firmware Upgrade and Configuration Update

Message flow

The message flow between the CPE and ACS is identical for all firmware upgrade mechanisms.
Following illustration shows the message flow for the "Firmware Upgrade" use case (we assume that the
MaxEnvelopes argument of the first Inform RPC has value 1):
File Server
34
CPE
3) 401 Unauthorized (Challenge)
7) Inform (Event Connection Request)
8) 401 Unauthorized (Challenge)
9) Inform (Event Connection Request)
12)
Firmware Upgrade Image, File URL)
13) DownloadResponse (Status = 1)
15) Close connection
CPE Firmware Upgrade Process
16) Inform (Event Transfer Complete,
Boot, Value Change, M Download)
17) 401 Unauthorized (Challenge)
18) Inform (Event Transfer Complete,
Boot, Value Change, M Download)
20) TransferComplete
21 ) TransferCompleteResponse
24) Close connection
ACS
2) HTTP GET to
ConnectionRequestURL
4) HTTP GET to
ConnectionRequestURL
with authentication info
5) 200 OK
with authentication info
10) InformResponse
HoldRequests = 1
11) HTTP POST (Empty)
Download (CommandKey,
HoldRequests = 1
14) 200 OK (Empty)
with authentication info
19) InformResponse
(CommandKey)
22) HTTP POST (Empty)
23) 200 OK (Empty)
1) Schedule firmware upgrade
6) Close connection
E-DOC-CTC-20071119-0003 v1.0