Zaštita veza između replika upravljačkog uređaja u programski upravljanoj mreži

undergraduate thesis

• Title (english): Protection of connections among controller replicas in a software-defined network
• Author: Marin Milina
• Mentor: Ognjen Dobrijević (mentor)
• Committee member: Ognjen Dobrijević (predsjednik povjerenstva)
• Committee member: Mirko Sužnjević (član povjerenstva)
• Committee member: Denis Salopek (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2018-07-13, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Computing
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering

Abstract

Programski upravljane mreže nude moderan pristup oblikovanju mreža, u kojem je logika upravljanja prosljeđivanjem paketa izdvojena iz mrežnih uređaja u središnji upravljački uređaj, čime omogućuje lakšu implementaciju novih aplikacija i komunikacijskih protokola. Za komunikaciju između upravljačkog i mrežnih uređaja obično se koristi protokol OpenFlow. Takve mreže obično sadrže nekoliko replika upravljačkog uređaja, gdje je svaka od njih zadužena za podešavanje rada jednog dijela mrežnih uređaja, a pritom je nužno da razmjenjuju informacije o stanju mreže. U ovom je radu uspostavljena laboratorijska okolina s dvije replike upravljačkog uređaja i emuliranom programski upravljanom mrežom, a pomoću OpenFlow grupe „Fast-Failover“ izveden je mehanizam odabira rezervnih puteva za razmjenu poruka između samih replika. Ispravnost rada mehanizma zaštite veza između replika upravljačkog uređaja pokazana je analizom mrežnog prometa u alatu Wireshark.

Abstract (english)

Software-Defined Networks provide a modern approach to network modelling, where the packet forwarding control logic is transferred from network devices to a central controller, thus facilitating deployment of new applications and communication protocols. The OpenFlow protocol is commonly used for communication between a controller and network devices. Such networks usually employ several replicas of controllers, where each of them is responsible for configuring the operation of one part of the network devices, while it is necessary for the replicas to exchange information on network status. In this thesis a laboratory environment with two controller replicas and an emulated Software-Defined network have been established, while the OpenFlow group Fast-Failover is utilized to implement the mechanism of selecting a reserve network paths for the message exchange between the replicas. Correct operation of the mechanism for protecting connections between controller replicas was shown by analyzing network traffic in the Wireshark tool.

• Keywords: programski upravljane mreže; OpenFlow; ONOS; replike upravljačkog uređaja; komunikacija između replika; zaštita komunikacije; primarni i rezervni put
• Keywords (english): Software-Defined Networks; OpenFlow; ONOS; controller replicas; communication among replicas; communication protection; primary and reserve paths
• Language: croatian
• URN:NBN: urn:nbn:hr:168:972427
• Study programme: Title: Computing; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka računarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka računarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2019-03-13 23:10:01