Abstract
The development of 5G wireless technology is in progress looking to cope with the increasing demands for high capacity, low latency, and ubiquitous mobile access. Cloud/Centralized Radio Access Networks (C-RAN) has been proposed as a promising approach to address the 5G benchmarks. C-RAN is a rising mobile network architecture based on the centralization and pooling of baseband processing elements, with the scope of increasing resource utilization efficiency and air-interface performance gains with fast scaling multi-cell coordination. In this paper we focus on proposing and evaluating a flexible low-latency cross-connect (XC) switch that allows a dynamic scheduling of networking resources between baseband units (BBUs) and remote radio heads (RRHs) in C-RAN deployments. On the one hand, we develop a control plane mechanism for manipulating the XC configuration and state data based on a custom YANG model and Network Configuration (NTCONF) protocol. Using a standard open NETCONF interface, automation of heterogeneous C-RAN resource assignment can be facilitated for 5G architectures. Secondly, we evaluate the performance of our XC in relation to the C-RAN stringent requirements and show that the latency and jitter introduced have negligible influence compared to radio interface limits. The impact of switching delay on the performance of a live system has yet to be tested however, a measured average switching time of 252 ms could still disrupt the ongoing connections.
| Original language | English |
|---|---|
| Title of host publication | 2018 20th International Conference on Transparent Optical Networks, ICTON 2018 |
| Place of Publication | Piscataway |
| Publisher | IEEE Computer Society |
| Number of pages | 5 |
| ISBN (Electronic) | 978-1-5386-6605-0 |
| ISBN (Print) | 978-1-5386-6606-7 |
| DOIs | |
| Publication status | Published - 26 Sep 2018 |
| Event | 20th International Conference on Transparent Optical Networks, ICTON 2018 - Bucharest, Romania Duration: 1 Jul 2018 → 5 Jul 2018 |
Conference
| Conference | 20th International Conference on Transparent Optical Networks, ICTON 2018 |
|---|---|
| Country | Romania |
| City | Bucharest |
| Period | 1/07/18 → 5/07/18 |
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Keywords
- 5G
- C-RAN
- low latency XC
- NETCONF
Cite this
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Performance evaluation of NETCONF-based low latency cross-connect for 5G C-RAN architectures. / Andrus, B.; Autenrieth, A.; Pachnicke, S.; Zou, S.; Olmos, J. J.V.; Monroy, I. T.
2018 20th International Conference on Transparent Optical Networks, ICTON 2018. Piscataway : IEEE Computer Society, 2018. 8473644.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review
TY - GEN
T1 - Performance evaluation of NETCONF-based low latency cross-connect for 5G C-RAN architectures
AU - Andrus, B.
AU - Autenrieth, A.
AU - Pachnicke, S.
AU - Zou, S.
AU - Olmos, J. J.V.
AU - Monroy, I. T.
PY - 2018/9/26
Y1 - 2018/9/26
N2 - The development of 5G wireless technology is in progress looking to cope with the increasing demands for high capacity, low latency, and ubiquitous mobile access. Cloud/Centralized Radio Access Networks (C-RAN) has been proposed as a promising approach to address the 5G benchmarks. C-RAN is a rising mobile network architecture based on the centralization and pooling of baseband processing elements, with the scope of increasing resource utilization efficiency and air-interface performance gains with fast scaling multi-cell coordination. In this paper we focus on proposing and evaluating a flexible low-latency cross-connect (XC) switch that allows a dynamic scheduling of networking resources between baseband units (BBUs) and remote radio heads (RRHs) in C-RAN deployments. On the one hand, we develop a control plane mechanism for manipulating the XC configuration and state data based on a custom YANG model and Network Configuration (NTCONF) protocol. Using a standard open NETCONF interface, automation of heterogeneous C-RAN resource assignment can be facilitated for 5G architectures. Secondly, we evaluate the performance of our XC in relation to the C-RAN stringent requirements and show that the latency and jitter introduced have negligible influence compared to radio interface limits. The impact of switching delay on the performance of a live system has yet to be tested however, a measured average switching time of 252 ms could still disrupt the ongoing connections.
AB - The development of 5G wireless technology is in progress looking to cope with the increasing demands for high capacity, low latency, and ubiquitous mobile access. Cloud/Centralized Radio Access Networks (C-RAN) has been proposed as a promising approach to address the 5G benchmarks. C-RAN is a rising mobile network architecture based on the centralization and pooling of baseband processing elements, with the scope of increasing resource utilization efficiency and air-interface performance gains with fast scaling multi-cell coordination. In this paper we focus on proposing and evaluating a flexible low-latency cross-connect (XC) switch that allows a dynamic scheduling of networking resources between baseband units (BBUs) and remote radio heads (RRHs) in C-RAN deployments. On the one hand, we develop a control plane mechanism for manipulating the XC configuration and state data based on a custom YANG model and Network Configuration (NTCONF) protocol. Using a standard open NETCONF interface, automation of heterogeneous C-RAN resource assignment can be facilitated for 5G architectures. Secondly, we evaluate the performance of our XC in relation to the C-RAN stringent requirements and show that the latency and jitter introduced have negligible influence compared to radio interface limits. The impact of switching delay on the performance of a live system has yet to be tested however, a measured average switching time of 252 ms could still disrupt the ongoing connections.
KW - 5G
KW - C-RAN
KW - low latency XC
KW - NETCONF
UR - http://www.scopus.com/inward/record.url?scp=85055468776&partnerID=8YFLogxK
U2 - 10.1109/ICTON.2018.8473644
DO - 10.1109/ICTON.2018.8473644
M3 - Conference contribution
AN - SCOPUS:85055468776
SN - 978-1-5386-6606-7
BT - 2018 20th International Conference on Transparent Optical Networks, ICTON 2018
PB - IEEE Computer Society
CY - Piscataway
ER -