CDN Edge Server IP Collection

Introduction

The video player should send the Pragma:C-XServerSignature parameter from the streaming HTTP handler to the content delivery network (CDN), and the CDN must respond back with C-XServerSignature:cdn=<>; groupID=<>; server-signature=<>; status=<>; url=<>; as the response.

Field Definitions

Example Request and Response

The following is an example request sent from the video player application and the example response received from the CDN.

Request

http://abc015-de-f8-prd-xyz.cdn01.example.com/v1/frag/bmff/enc/cenc/t/BTSP13HD_HD_SU_EXAMPLE_3669_0_123456789123456789.mpd

Response

C-XServerSignature: cdn=abc; groupID=12345; server-signature=123.456.789.00; is the response header or value and 200 OK is the status code of the response.

curl -v -o /dev/null http://abc015-de-f8-prd-xyz.cdn01.example.com/v1/frag/bmff/enc/cenc/t/BTSP13HD_HD_SU_EXAMPLE_3669_0_123456789123456789.mpd
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0*   Trying 123.456.789.00...
* TCP_NODELAY set
* Connected to abc015-de-f8-prd-xyz.cdn01.example.com (123.456.789.00) port 80 (#0)
> GET /v1/frag/bmff/enc/cenc/t/BTSP13HD_HD_SU_EXAMPLE_3669_0_123456789123456789.mpd HTTP/1.1
> Host: abc015-de-f8-prd-xyz.cdn01.example.com
> User-Agent: curl/7.64.1
> Accept: */*
>
< HTTP/1.1 200 OK
< Server: Apache/2.4.6 (CentOS)
< X-MoneyTrace: trace-id=b123db2a-db12-3456-78t-123456789;parent-id=-123456789987654321;span-id=-987654321123456789
< X-Powered-By: viper-mod_super8-3.24.3-1
< Access-Control-Allow-Origin: *
< Access-Control-Allow-Headers: X-MoneyTrace
< Cache-Control: max-age=1
< Last-Modified: Wed, 19 May 2021 10:11:11 GMT
< Date: Wed, 19 May 2021 10:11:12 GMT
< Content-Length: 25271
< Connection: keep-alive
< XYZ-Mon-Iucid-Del: 1116299
< Content-Type: application/dash+xml
< C-XServerSignature: cdn=XYZ; groupID=12345; server-signature=123.456.789.00
< Access-Control-Expose-Headers: Server, Range, Content-Length, Content-Range,XYZ-Mon-Iucid-Ing,XYZ-Mon-Iucid-Del,XYZ-Request-BC
< Access-Control-Allow-Credentials: false
< Access-Control-Allow-Methods: GET,POST,HEAD
< Access-Control-Max-Age: 86400
<
{ [8616 bytes data]
100 25271  100 25271    0     0   163k      0 --:--:-- --:--:-- --:--:--  165k
* Connection #0 to host abc015-de-f8-prd-xyz.cdn01.example.com left intact

Report CDN Edge Server IP

1. Create a string by concatenating the data available in the HTTP request and responses.

2. Read the response header value (C-XServerSignature) from every stream HTTP response.

3. Concatenate the response header value with the status code of the response and the Manifest or Segment URL that was requested for fetching the Edge Server details. The following is a sample of a CDN Edge Server IP string that must be reported to Conviva.

C-XServerSignature: cdn=XYZ; groupID=12345; server-signature=123.456.789.00; + ";status=200; url=http://abc015-de-f8-prd-xyz.cdn01.example.com/v1/frag/bmff/enc/cenc/t/BTSP13HD_HD_SU_EXAMPLE_3669_0_123456789123456789.mpd"

1. Invoke the below mentioned Conviva API's to set the CDNEdgeServer across platforms. The integration must concatenate the HTTP status, response code, and the URL with the C-XServerSignature value, and it must be sent to Conviva SDK/Library. If this pattern is not followed, then the values will not be populated.