A Performance Event Package for SIP

1
A Performance Event Package for SIP

• Alan Johnston
• Henry Sinnreich
• Alan Clark
• Amy Pendleton

2
Recent Changes

• More general event name perfrpt
• Parameters in event reflect voice quality metrics
• Event can be extended for general performance
  reporting
• Mime type also changed
• Syntax additions and clean up
• More identification parameters, such as session
  5-tuple, call identifier
• Timestamps for start and end allow for
  interval, mid-session, and end of session
  reporting
• More threshold types extensions are also
  explicitly permitted
• Enhanced readability with more descriptive
  parameters
• More call flows
• SUBSCRIBE/NOTIFY and PUBLISH flows for both
  threshold and end of session reports
• Message formats for each flow
• Finalized details on use of PUBLISH and event
  state
• Neither party maintains a soft or hard state
• Intention, like other PUBLISH services, is to
  reduce messaging

3
Open Issues

• Comments?

4
Path Forward

• Draft very close to technical completeness.
• After current round of comments, probably ready
  for WGLC.
• Butcan we get this adopted as WG item?

5
Contacts

• Alan Johnston
• alan.johnston_at_mci.com

• Henry Sinnreich
• Henry.sinnreich_at_mci.com

Alan Clark alan_at_telchemy.com
Amy Pendleton aspen_at_nortelnetworks.com