1. 04/10/2015 Ad Hoc Networking Ad Hoc Networking 1GSC-9, Seoul SOURCE:ETSI (Project MESA) TITLE:Ad hoc networking AGENDA ITEM: GRSC#2 Item 5.3 CONTACT:Adrian Boukalov (adrian.boukalov@hut.fi)adrian.boukalov@hut.fi GSC9/GRSC_017

2. GSC-9, Seoul Initial Architectures - Low power sensors networks “surveillance” web - small, relatively static, embedded ad hoc networks `“bluetooth-type” networks - Small-to-medium sized, mobile ad hoc networks “802.11-style”

3. GSC-9, Seoul Terminlology Mobile Ad Hoc Networking = = Mobile, Multi hop, Wireless Networking = Mobile Mesh Networking = Mobile Packet Networking

4. GSC-9, Seoul Ad hoc network applicability Scale Small scale Large scale Network type (few nodes) (many nodes) Commercial home/office personal mobile cellular like industrial local networks Government specific Public Safety Large-scale military network Community/urban “covert” networks local communications networks

5. GSC-9, Seoul Hybrid Communication Networks No fixed infrastructure Fixed/static infrastructure MANET High speed backbone network Satellite overlay

6. GSC-9, Seoul IETF MANET standardization MANET - established in 1997 chartered working group within Internet Engineering Task Force (IETF) Focussed on studying routing specification with the goal of supporting network scaling up to hundreds of routers * Unicast routing protocol * Multicast routing protocol Work on routing for large and small scale networks Work relies on the existing IETF standards such as mobile-IP and IP addressing For large-scale MANET the lack of interest have put this work in question Flooding: work on requirements had started

7. GSC-9, Seoul Mobile Ad Hoc Networking (MANET) -Dynamic topologies -Bandwidth-constrained -Asymmetric links with variable capacity -Energy constrained -Multiple technologies can be used simultaneously

8. GSC-9, Seoul Open issues Aoptimisation network layer and radio layers for different systems (incl. 802.11, HiperLAN) BQoS support Csecuirity Dmobility B, C, D issues could be orthogonal, joint optimization is very difficult (system design choice) tradeoff between centralized and distributed algorithms for B,C,D

9. GSC-9, Seoul Relevant ETSI activities MESA Project - ad hoc network on future Public Safety communications BRAN - HiperLAN-2, other 3GPP - UTRA TDD Standardization challenges => There is need for standard-based approach at the network layer.