LEADER 00893nam a2200253 i 4500 001 991003620419707536 008 080514s1997 it 001 0 ita d 020 $a8886323603 035 $ab13725324-39ule_inst 040 $aFacoltą SSPT$bita 082 0 $a304.84 100 1 $aDi Liegro, Luigi $0628480 245 10$aImmigrazione :$bun punto di vista /$cLuigi di Liegro ; in collaborazione con Franco Pittau 260 $aRoma :$bSensibili alle foglie,$c1997 300 $a94 p. ;$c21 cm 440 0$aOspiti ;$v2 650 4$aImmigrazione$zItalia 700 1 $aPittau, Franco 907 $a.b13725324$b02-04-14$c14-05-08 912 $a991003620419707536 945 $aLE021 304.84 DIL01.01$g1$i2020000003373$lle021$op$pE9.30$q-$rn$s- $t0$u5$v0$w5$x0$y.i14751677$z14-05-08 996 $aImmigrazione$91229999 997 $aUNISALENTO 998 $ale020$b14-05-08$cm$da $e-$fita$git $h0$i0 LEADER 10646nam 2200481 450 001 9910564681703321 005 20231110233414.0 010 $a3-030-88841-X 035 $a(MiAaPQ)EBC6955016 035 $a(Au-PeEL)EBL6955016 035 $a(CKB)21536145200041 035 $a(PPN)262171228 035 $a(EXLCZ)9921536145200041 100 $a20221127d2022 uy 0 101 0 $aeng 135 $aurcnu|||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aHigh-speed networks $ea tutorial /$fJorge Crichigno [and three others] 210 1$aCham, Switzerland :$cSpringer,$d[2022] 210 4$d©2022 215 $a1 online resource (471 pages) 225 1 $aPractical Networking 311 08$aPrint version: Crichigno, Jorge High-Speed Networks Cham : Springer International Publishing AG,c2022 9783030888404 327 $aIntro -- Preface -- Audience -- What is Unique About This Book? -- The Virtual Platform and Virtual Laboratory Experiments -- Organization -- Relevance of Networking Tools -- Acknowledgement -- Contents -- Abbreviations -- Introduction to High-Speed Networks and Science DMZ -- 1 Objective and Access to Accompanied Training Material -- 2 Motivation for Science DMZs -- 3 Science DMZs Applications -- Chapter 1-Lab 1: Introduction to Mininet -- 4 Introduction to Mininet -- 5 Invoking Mininet Using the CLI -- 5.1 Invoking Mininet Using the Default Topology -- 5.2 Testing Connectivity -- 6 Building and Emulating a Network in Mininet Using the GUI -- 6.1 Building the Network Topology -- 6.2 Testing Connectivity -- 6.3 Automatic Assignment of IP Addresses -- 6.4 Saving and Loading a Mininet Topology -- Chapter 1-Lab 2: Introduction to iPerf3 -- Lab Roadmap -- 7 Introduction to iPerf3 -- 8 Lab Topology -- 8.1 Starting Host h1 and Host h2 -- 9 Using iPerf3 (Client and Server Commands) -- 9.1 Starting Client and Server -- 9.2 Setting Transmitting Time Period -- 9.3 Setting Time Interval -- 9.4 Changing the Number of Bytes to Transmit -- 9.5 Specifying the Transport-Layer Protocol -- 9.6 Changing Port Number -- 9.7 Export Results to JSON File -- 9.8 Handle One Client -- 10 Plotting iPerf3 Results -- References -- Network Cyberinfrastructure Aspects for Big Data Transfers -- 1 Limitations of Enterprise Networks and Motivation for Science DMZs -- 2 Science DMZ Architecture -- 2.1 Addressing the Enterprise Network Limitations -- 3 WAN Cyberinfrastructure -- 3.1 Connecting a Science DMZ via an Internet2 POP -- 3.2 Connecting a Science DMZ via a Regional REN -- 3.3 Connecting a Science DMZ via a Commercial ISP -- 3.4 Connecting a Science DMZ via a Commercial ISP Circuit -- 4 Current State: Science DMZ Deployment in the U.S. 327 $aChapter 2-Lab 3: Emulating WAN with NETEM Part I-Latency and Jitter -- 5 Introduction to Network Emulators and NETEM -- 5.1 NETEM -- 5.2 WANs and Delay -- 6 Lab Topology -- 6.1 Starting Host h1 and Host h2 -- 7 Adding/Changing Delay to Emulate a WAN -- 7.1 Identify Interface of Host h1 and Host h2 -- 7.2 Add Delay to Interface Connecting to WAN -- 7.3 Changing the Delay in Emulated WAN -- 8 Restoring Original Values (Deleting the Rules) -- 9 Adding Jitter to Emulated WAN -- 9.1 Add Jitter to Interface Connecting to WAN -- 10 Adding Correlation Value for Jitter and Delay -- 11 Delay Distribution -- Chapter 2-Lab 4: Emulating WAN with NETEM II: Packet Loss, Duplication, Reordering, and Corruption -- 12 Introduction to Network Emulators and NETEM -- 13 Lab Topology -- 13.1 Testing Connectivity Between Two Hosts -- 14 Adding/Changing Packet Loss -- 14.1 Identify Interface of Host h1 and Host h2 -- 14.2 Add Packet Loss to the Interface Connecting to the WAN -- 14.3 Restore Default Values -- 14.4 Add Correlation Value for Packet Loss to Interface Connecting to WAN -- 15 Adding Packet Corruption -- 15.1 Add Packet Corruption to an Interface Connected to the WAN -- 16 Add Packet Reordering -- 17 Add Packet Duplication -- Chapter 2-Lab 5: Setting WAN Bandwidth with Token Bucket Filter (TBF) -- 18 Introduction to Token Bucket Algorithm -- 19 Lab Topology -- 19.1 Starting Host h1 and Host h2 -- 20 Rate Limiting on End-Hosts -- 20.1 Identify Interface of Host h1 and Host h2 -- 20.2 Emulating 10Gbps High-Latency WAN -- 21 Rate Limiting on Switches -- 22 Combining NETEM and TBF -- References -- Data-Link and Network Layer Considerations for LargeData Transfers -- 1 Data-Link and Network-Layer Devices -- 2 Switching Review -- 3 Switching Considerations for Science DMZs -- 3.1 Traffic Profile -- 3.2 Maximum Transmission Unit. 327 $a3.3 Buffer Size of Output or Transmission Ports -- 3.4 Bufferbloat -- 3.5 Routers and Switches in a Hierarchical Network -- 4 Switches in Enterprise Networks and Science DMZs -- Chapter 3-Lab 6: Router's Buffer Size -- 5 Introduction -- 5.1 Introduction to Switching -- 5.2 Router Architecture -- 5.3 Where does Packet Loss Occur? -- 5.4 Buffer Size -- 6 Lab Topology -- 6.1 Starting Host h1, Host h2, Host h3, and Host h4 -- 6.2 Modifying Hosts' Buffer Size -- 6.3 Emulating High-Latency WAN -- 6.4 Testing Connection -- 7 Testing Throughput with 100 · MTU Switch's Buffer Size -- 7.1 Setting Switch S1's Buffer Size to 100 · MTU -- 7.2 TCP Cubic -- 7.3 TCP Reno -- 7.4 TCP BBR -- 8 Testing Throughput with One BDP Switch's Buffer Size -- 8.1 Changing Switch S1's Buffer Size to One BDP -- 8.2 TCP Cubic -- 8.3 TCP Reno -- 8.4 TCP BBR -- 9 Emulating High-Latency WAN with Packet Loss -- 9.1 TCP Cubic -- 9.2 TCP Reno -- 9.3 TCP BBR -- Chapter 3-Lab 7: Router's Bufferbloat -- 10 Introduction to Bufferbloat -- 10.1 1.1 Packet Delays -- 10.2 Bufferbloat -- 11 Lab Topology -- 11.1 Starting Host h1, Host h2, and Host h3 -- 11.2 Emulating High-Latency WAN -- 11.3 Testing Connection -- 11.4 Testing Throughput on a Network with a Small Buffer-Size Switch -- 11.5 Setting Switch S1's Buffer Size to 100 · MTU -- 11.6 Bandwidth-Delay Product (BDP) and Hosts' Buffer Size -- 11.7 Throughput Test -- 12 Testing Throughput on a Network with a 1 · BDP Buffer-Size Switch -- 12.1 Setting Switch S1's Buffer Size to 1 · BDP -- 12.2 Throughput and Latency Tests -- 13 Testing Throughput on a Network with a Large Buffer-Size Switch -- 13.1 Setting Switch S1's Buffer Size to 10 · BDP -- 13.2 Throughput and Latency Tests -- Chapter 3-Lab 8: Random Early Detection (RED) -- 14 Introduction -- 14.1 Random Early Detection Mechanism -- 15 Lab Topology. 327 $a15.1 Starting Host h1, Host h2, and Host h3 -- 15.2 Emulating High-Latency WAN -- 15.3 Testing Connection -- 16 Testing Throughput on a Network Using Drop Tail AQM Algorithm -- 16.1 Bandwidth-Delay Product (BDP) and Hosts' TCP Buffer Size -- 16.2 Setting Switch S2's Buffer Size to 10 · BDP -- 16.3 Throughput and Latency Tests -- 17 Configuring RED on Switch S2 -- 17.1 Setting RED Parameter on Switch S2's Egress Interface -- 17.2 Throughput and Latency Tests -- 17.3 Changing the Bandwidth to 100Mbps -- 17.4 Throughput and Latency Tests -- References -- Impact of TCP on High-Speed Networks and Advances in Congestion Control Algorithms -- 1 TCP Review -- 2 TCP Considerations for Science DMZs -- 2.1 Maximum Segment Size -- 2.2 Flow Control and TCP Receive Buffer -- 2.3 Selective Acknowledgment -- 2.4 Parallel TCP Connections -- 2.5 TCP Fair Queue Pacing -- 2.6 TCP Congestion Control Algorithms -- 3 Transport-Layer Issues in Enterprise Networks and Science DMZs -- 4 Academic Cloud and Virtual Laboratories -- 5 Chapter 4-Lab 9: Understanding Traditional TCP Congestion Control (HTCP, Cubic, Reno) -- 6 Introduction to TCP -- 6.1 TCP Review -- 6.2 TCP Throughput -- 6.3 TCP Packet Loss Event -- 6.4 Impact of Packet Loss in High-Latency Networks -- 7 Lab Topology -- 7.1 Starting Host h1 and Host h2 -- 7.2 Emulating 10Gbps High-Latency WAN with Packet Loss -- 7.3 Testing Connection -- 8 Introduction to sysctl -- 8.1 Read sysctl Parameters -- 8.2 Write sysctl Parameters -- 8.3 Configuring sysctl.conf File -- 9 Congestion Control Algorithms and sysctl -- 9.1 Inspect and Install/Load Congestion Control Algorithms -- 9.2 Inspect the Default (Current) Congestion Control Algorithm -- 9.3 Modify the Default (Current) Congestion Control Algorithm -- 10 iPerf3 Throughput Test -- 10.1 Throughput Test Without Delay -- 10.2 TCP Reno -- 10.3 Hamilton TCP (HTCP). 327 $a10.4 TCP Cubic -- 10.5 Throughput Test with 30ms Delay -- 10.6 TCP Reno -- 10.7 Hamilton TCP (HTCP) -- 10.8 TCP Cubic -- 11 Chapter 4-Lab 10: Understanding Rate-Based TCP Congestion Control (BBR) -- 12 Introduction to TCP -- 12.1 Traditional TCP Congestion Control Review -- 12.2 Traditional Congestion Control Limitations -- 12.3 TCP BBR -- 13 Lab Topology -- 13.1 Starting Host h1 and Host h2 -- 13.2 Emulating 1Gbps High-Latency WAN with Packet Loss -- 13.3 Testing Connection -- 14 iPerf3 Throughput Test -- 14.1 Throughput Test Without Delay -- 14.1.1 TCP Reno -- 14.1.2 TCP BBR -- 14.2 Throughput Test with 30ms Delay -- 14.2.1 TCP Reno -- 14.2.2 TCP BBR -- 15 Chapter 4-Lab 11: Bandwidth-Delay Product and TCP Buffer Size -- 16 Introduction to TCP buffers, BDP, and TCP Window -- 16.1 TCP Buffers -- 16.2 Bandwidth-Delay Product -- 16.3 Practical Observations on Setting TCP Buffer Size -- 16.4 TCP Window Size Calculated Value -- 16.5 Zero Window -- 17 Lab Topology -- 17.1 Starting Host h1 and Host h2 -- 17.2 Emulating 10Gbps High-Latency WAN -- 18 BDP and Buffer Size -- 18.1 Window Size in sysctl -- 19 Modifying Buffer Size and Throughput Test -- 20 Chapter 4-Lab 12: Enhancing TCP Throughput with Parallel Streams -- 21 Introduction to TCP Parallel Streams -- 21.1 Parallel Stream Fundamentals -- 21.2 Advantages of Parallel Streams -- 22 Lab Topology -- 22.1 Starting Host h1 and Host h2 -- 22.2 Emulating 10Gbps High-Latency WAN -- 22.3 Testing Connection -- 23 Parallel Streams to Overcome TCP Buffer Limitation -- 24 Parallel Streams to Combat Packet Loss -- 24.1 Limit Rate and Add Packet Loss on Switch S1's s1-eth2 Interface -- 24.2 Test with Parallel Streams -- 25 Chapter 4-Lab 13: Measuring TCP Fairness -- 26 Fairness Concepts -- 26.1 TCP Bandwidth Allocation -- 26.2 TCP Fairness Index Calculation -- 27 Lab Topology -- 27.1 Starting Host h1 and Host h2. 327 $a27.2 Emulating 10Gbps High-Latency WAN. 410 0$aPractical Networking 606 $aComputer networks 615 0$aComputer networks. 676 $a004.6 700 $aCrichigno$b Jorge$01223309 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910564681703321 996 $aHigh-speed networks$92966960 997 $aUNINA LEADER 03416nam 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$aForeword -- Introduction -- Romania -- Hungary -- Austria. 330 2 $a"This book compares the various aspects--political, military, economic--of Soviet occupation in Austria, Hungary and Romania. Using documents found in Austrian, Hungarian, Romanian and Russian archives the authors argue that the nature of Soviet foreign policy has been misunderstood. Existing literature has focused on the Soviet foreign policy from a political perspective; when and why Stalin made the decision to introduce Bolshevik political systems in the Soviet sphere of influence. This book will show that the Soviet conquest of East-Central Europe had an imperial dimension as well and allowed the Soviet Union to use the territory it occupied as military and economic space. The final dimension of the book details the tragically human experiences of Soviet occupation: atrocities, rape, plundering and deportations. 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