Distributed Backup K-Placement and Applications to Virtual Memory in Wireless Networks

פרסום מחקרי: פרק בספר / בדוח / בכנספרסום בספר כנסביקורת עמיתים

תקציר

The Backup Placement problem in networks in the distributed setting considers a network graph G = (V, E), in which the goal of each vertex v g V is selecting a neighbor, such that the maximum number of vertices in V that select the same vertex is minimized [9]. Previous backup placement algorithms suffer from obliviousness to main factors of heterogeneous wireless network. Specifically, there is no consideration of the nodes memory and storage capacities, and no reference to a case in which nodes have different energy capacity, and thus can leave (or join) the network at any time. These parameters are strongly correlated in wireless networks, as the load on different parts of the network can differ greatly, thus requiring more communication, energy, memory and storage. In order to fit the attributes of wireless networks, this work addresses a generalized version of the original problem, namely Backup K-Placement, in which each vertex selects K neighbors, for a positive parameter K. Our Backup K-Placement algorithm terminates within just one round. In addition we suggest two complementary algorithms which employ Backup K-Placement to obtain efficient virtual memory schemes for wireless networks. The first algorithm divides the memory of each node to many small parts. Each vertex is assigned the memories of a large subset of its neighbors. Thus more memory capacity for more vertices is gained, but with much fragmentation. The second algorithm requires greater round-complexity, but produces larger virtual memory for each vertex without any fragmentation.

שפה מקוריתאנגלית
כותר פרסום המארחICDCN 2021 - Adjunct Proceedings of the 2021 International Conference on Distributed Computing and Networking
מוציא לאורAssociation for Computing Machinery
עמודים139-144
מספר עמודים6
מסת"ב (אלקטרוני)9781450381840
מזהי עצם דיגיטלי (DOIs)
סטטוס פרסוםפורסם - 5 ינו׳ 2021
אירוע22nd International Conference on Distributed Computing and Networking, ICDCN 2021 - Virtual, Online, יפן
משך הזמן: 5 ינו׳ 20218 ינו׳ 2021

סדרות פרסומים

שםACM International Conference Proceeding Series

כנס

כנס22nd International Conference on Distributed Computing and Networking, ICDCN 2021
מדינה/אזוריפן
עירVirtual, Online
תקופה5/01/218/01/21

הערה ביבליוגרפית

Publisher Copyright:
© 2021 ACM.

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