1

1

Delivering Retained Data:

The ETSI Handover Interface

Mark Shepherd

ETSI Reference: TS 102 657

World Class Standards

2

2

!T#e &TSI in+erface 0ill #el2 you in 

your 0ork on Da+a Re+en+ion9

3

3

EXPENSIVE?

VITAL?

EXCESSIVE?

CONFUSING?

Views on Data Retention?

4

4

Handover

Retrieval

Cost

Analysis

Political

Legal

Business

Relations

process

Storage

5

5

Does it affect me?

Source of

retained data

Ask

Requesting

authority

Respond

6

6

Our key goals?

1. Gain

international

agreement

2. Create

extensible

framework

3. Use a simple

automated

process

7

7

1. Gain

international

agreement

! Consensus at ETSI meetings

! Guided by EU DRD and compatible

with national jurisdictions

! Prototyping and testing

8

8

2. Create

extensible

framework

Common delivery procedures and transport

Telephony

Messaging

Future

!"#$%&"!'

Network

Access

9

9

3. Use

automated

interface

Standard messages

Data definitions

Telephony

Messaging

Networks

Any IP network

Transport

HTTP and XML

TCP and BER

10

10

Why does it help?

! Clear, accurate and auditable
! Simple and efficient
! Securable
! Extensible for future services
! Common internationally

11

11

!T#e &TSI in+erface 0ill #el2 you 

in your 0ork on Da+a Re+en+ion9