Dissemination of information in communication networks: broadcasting, gossiping, leader election, and fault-tolerance
Saved in:
| Format: | Book |
|---|---|
| Language: | English |
| Published: |
Berlin [u.a.]
Springer
2005
|
| Series: | Texts in theoretical computer science
|
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XIII, 361 S. graph. Darst. |
| ISBN: | 3540008462 |
Staff View
MARC
| LEADER | 00000nam a2200000 c 4500 | ||
|---|---|---|---|
| 001 | BV019854710 | ||
| 003 | DE-604 | ||
| 005 | 20080613 | ||
| 007 | t | ||
| 008 | 050622s2005 gw d||| |||| 00||| eng d | ||
| 015 | |a 03,N37,0461 |2 dnb | ||
| 015 | |a 05,A21,0008 |2 dnb | ||
| 016 | 7 | |a 968582931 |2 DE-101 | |
| 020 | |a 3540008462 |c Pp. : EUR 64.15 |9 3-540-00846-2 | ||
| 024 | 3 | |a 9783540008460 | |
| 035 | |a (OCoLC)249214633 | ||
| 035 | |a (DE-599)BVBBV019854710 | ||
| 040 | |a DE-604 |b ger |e rakddb | ||
| 041 | 0 | |a eng | |
| 044 | |a gw |c XA-DE-BE | ||
| 049 | |a DE-473 |a DE-634 | ||
| 082 | 0 | |a 004.65 | |
| 084 | |a QH 460 |0 (DE-625)141596: |2 rvk | ||
| 084 | |a ST 200 |0 (DE-625)143611: |2 rvk | ||
| 084 | |a 004 |2 sdnb | ||
| 245 | 1 | 0 | |a Dissemination of information in communication networks |b broadcasting, gossiping, leader election, and fault-tolerance |c J. Hromkovič ... |
| 264 | 1 | |a Berlin [u.a.] |b Springer |c 2005 | |
| 300 | |a XIII, 361 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Texts in theoretical computer science | |
| 650 | 4 | |a Telekommunikationsnetz - Verbindungsstruktur - Gossiping - Broadcastingverfahren - Fehlertoleranz - Berechnungskomplexität | |
| 650 | 0 | 7 | |a Broadcastingverfahren |0 (DE-588)4203949-6 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Gossiping |0 (DE-588)4344427-1 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Telekommunikationsnetz |0 (DE-588)4133586-7 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Verbindungsstruktur |0 (DE-588)4316956-9 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Berechnungskomplexität |0 (DE-588)4134751-1 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Fehlertoleranz |0 (DE-588)4123192-2 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Telekommunikationsnetz |0 (DE-588)4133586-7 |D s |
| 689 | 0 | 1 | |a Verbindungsstruktur |0 (DE-588)4316956-9 |D s |
| 689 | 0 | 2 | |a Gossiping |0 (DE-588)4344427-1 |D s |
| 689 | 0 | 3 | |a Broadcastingverfahren |0 (DE-588)4203949-6 |D s |
| 689 | 0 | 4 | |a Fehlertoleranz |0 (DE-588)4123192-2 |D s |
| 689 | 0 | 5 | |a Berechnungskomplexität |0 (DE-588)4134751-1 |D s |
| 689 | 0 | |5 DE-604 | |
| 700 | 1 | |a Hromkovič, Juraj |d 1958- |e Sonstige |0 (DE-588)123212898 |4 oth | |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013179332&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
Record in the Search Index
| _version_ | 1805084168658354176 |
|---|---|
| adam_text |
J.HROMKOVIC R.KIASING A.PELC
RRUZICKA* W.UNGE
R
DISSEMINATION OF
INFORMATION IN
COMMUNICATION
NETWORKS
BROADCASTING,GOSSIPING,LEADERELECTION,
AND FAULT-TOLERANCE
WIT
H 73 FIGURES
4Y SPRINGER
CONTENTS
1 INTRODUCTIO
N
1
1.1 MOTIVATION AND AIMS 1
1.2 ORGANIZATION OF THE BOOK 2
PAR
T I TH
E TELEGRAP
H AN
D TELEPHON
E MODE
S
2 FUNDAMENTAL
S
7
2.1 INTRODUCTION 7
2.2 GRAPHS 7
2.3 COMBINATORIES 20
2.4 COMMUNICATION TASKS AND ALGORITHMS 25
2.5 GENERAL PROPERTIES OF THE COMPLEXITY OF COMMUNICATION
ALGORITHMS 33
2.6 FUNDAMENTAL INTERCONNECTION NETWORKS 41
3 BROADCASTIN
G
51
3.1 INTRODUCTION 51
3.2 BASIC FACTS AND TECHNIQUES 52
3.3 UPPER BOUNDS FOR COMMON NETWORKS 59
3.4 LOWER BOUNDS FOR BOUNDED-DEGREE GRAPHS 66
3.5 OVERVIEW ON BROADCASTING IN CONCRETE NETWORKS 78
3.6 APPROXIMATION ALGORITHMS 79
3.6.1 GENERAL OBSERVATIONS 80
3.6.2 TWO APPROXIMATION ALGORITHMS 82
3.6.3 BIBLIOGRAPHICAL REMARKS 90
4 GOSSIPIN
G
93
4.1 INTRODUCTION 93
4.2 GENERAL OBSERVATIONS 94
4.3 GOSSIPING IN GRAPHS WITH SMALL BISECTION WIDTH 100
XII CONTENTS
4.4 GOSSIPING IN HYPERCUBE-LIKE NETWORKS OF CONSTANT DEGREE .
. 123
4.5 GOSSIPING IN COMPLETE GRAPHS 126
4.6 OVERVIEW 134
5 SYSTOLI
C COMMUNICATIO
N
137
5.1 INTRODUCTION 137
5.2 DEFINITIONS 139
5.3 SYSTOLIC BROADCAST 143
5.4 GENERAL OBSERVATIONS FOR SYSTOLIC GOSSIP 145
5.5 SPECIAL SYSTOLIC MODES 147
5.6 SYSTOLIC GOSSIP IN CONCRETE NETWORKS 148
5.6.1 SYSTOLIC GOSSIP ON A PAT
H 149
5.6.2 SYSTOLIC GOSSIP ON A CYCLE 161
5.6.3 SYSTOLIC GOSSIP ON COMPLETE TREES 162
5.6.4 SYSTOLIC GOSSIP ON GRIDS 172
5.6.5 SYSTOLIC GOSSIP ON BUTTERFLY AND CCC NETWORKS 175
5.7 BIBLIOGRAPHICAL REMARKS 180
6 FAULT-TOLERANCE
183
6.1 INTRODUCTION 183
6.1.1 FAULT DISTRIBUTION 184
6.1.2 FAULT CLASSIFICATION 185
6.1.3 FLEXIBILITY OF BROADCASTING ALGORITHMS 186
6.2 PRELIMINARY RESULTS 186
6.3 THE BOUNDED-FAULT MODEL 190
6.3.1 PERMANENT LINK FAULTS 190
6.3.2 PERMANENT NODE FAULTS 193
6.3.3 TRANSMISSION FAULTS 201
6.4 THE PROBABILISTIC FAULT MODEL 211
6.4.1 CRASH FAULTS 211
6.4.2 BYZANTINE FAULTS 216
PART II DISTRIBUTE
D NETWORK
S
7 BROADCAS
T ON DISTRIBUTE
D NETWORK
S
229
7.1 BROADCASTING ON GENERAL NETWORKS 229
7.1.1 DISTRIBUTED DEPTH-FIRST SEARCH 229
7.1.2 DISTRIBUTED BREADTH-FIRST SEARCH 235
7.1.3 BASIC LOWER BOUND ON MESSAGE COMPLEXITY OF BROADCAST240
7.2 BROADCAST ON TORI 246
7.2.1 UPPER BOUND 246
7.2.2 LOWER BOUND 250
7.2.3 THE GROWTH OF THE CORE GRAPH 253
7.3 BROADCAST ON HYPERCUBES 257
CONTENTS XIII
7.3.1 PRELIMINARIES 257
7.3.2 PARTIAL BROADCASTING AND ORIENTATION 259
7.3.3 BIT-EFFICIENT PARTIAL BROADCASTING ALGORITHM 261
7.3.4 APPLICATIONS - OPTIMAL COMPUTABLE MASKS FOR SPECIAL
TARGET SETS 263
7.3.5 THE BROADCASTING ALGORITHM 265
7.3.6 BIT-OPTIMAL BROADCASTING IN TIME
N
266
8 LEADER ELECTIO
N IN ASYNCHRONOU
S DISTRIBUTE
D NETWORKS
.
. 267
8.1 DISTRIBUTED POINT-TO-POINT NETWORK MODEL 267
8.2 LEADER ELECTION ON DISTRIBUTED NETWORKS 271
8.3 LEADER ELECTION ON UNIDIRECTIONAL RINGS WITH OPTIMAL
AVERAGE PERFORMANCE 271
8.4 LEADER ELECTION ON UNIDIRECTIONAL RINGS - WORST CASE ANALYSIS276
8.5 LEADER ELECTION ON BIDIRECTIONAL RINGS - WORST CASE ANALYSIS. 283
8.5.1 ELECTION ALGORITHM DUE TO VAN LEEUWEN AND TAN 285
8.5.2 CORRECTNESS AND MESSAGE COMPLEXITY ANALYSIS 287
8.6 LEADER ELECTION ON COMPLETE NETWORKS 290
8.6.1
O{NLOGN)
ALGORITHM 290
8.6.2
Q{N
LOG
N)
LOWER BOUND 294
8.7 LEADER ELECTION ON HYPERCUBES 297
8.7.1 PRELIMINARY NOTIONS 297
8.7.2 LEADER ELECTION 298
8.7.3 WARRIOR PHASE 298
8.7.4 KING PHASE 300
8.8 LEADER ELECTION ON SYNCHRONOUS RINGS 315
9 FAULT-TOLERANT BROADCAS
T IN DISTRIBUTE
D NETWORK
S
317
9.1 CONSENSUS PROBLEM 317
9.1.1 FAULT-TOLERANT BROADCAST WITH UNSIGNED MESSAGES 319
9.1.2 FAULT-TOLERANT BROADCAST WITH SIGNED MESSAGES 323
9.2 BROADCASTING IN SYNCHRONOUS NETWORKS WITH DYNAMIC FAULTS . . 326
9.2.1 BROADCAST IN HYPERCUBES WITH DYNAMIC FAULTS 330
9.2.2 BROADCAST IN TORI WITH DYNAMIC FAULTS 333
9.2.3 BROADCAST IN STAR GRAPHS WITH DYNAMIC FAULTS 337
REFERENCES
341
INDE
X
357 |
| any_adam_object | 1 |
| author_GND | (DE-588)123212898 |
| building | Verbundindex |
| bvnumber | BV019854710 |
| classification_rvk | QH 460 ST 200 |
| ctrlnum | (OCoLC)249214633 (DE-599)BVBBV019854710 |
| dewey-full | 004.65 |
| dewey-hundreds | 000 - Computer science, information, general works |
| dewey-ones | 004 - Computer science |
| dewey-raw | 004.65 |
| dewey-search | 004.65 |
| dewey-sort | 14.65 |
| dewey-tens | 000 - Computer science, information, general works |
| discipline | Informatik Wirtschaftswissenschaften |
| format | Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>00000nam a2200000 c 4500</leader><controlfield tag="001">BV019854710</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20080613</controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">050622s2005 gw d||| |||| 00||| eng d</controlfield><datafield tag="015" ind1=" " ind2=" "><subfield code="a">03,N37,0461</subfield><subfield code="2">dnb</subfield></datafield><datafield tag="015" ind1=" " ind2=" "><subfield code="a">05,A21,0008</subfield><subfield code="2">dnb</subfield></datafield><datafield tag="016" ind1="7" ind2=" "><subfield code="a">968582931</subfield><subfield code="2">DE-101</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">3540008462</subfield><subfield code="c">Pp. : EUR 64.15</subfield><subfield code="9">3-540-00846-2</subfield></datafield><datafield tag="024" ind1="3" ind2=" "><subfield code="a">9783540008460</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)249214633</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV019854710</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">rakddb</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="a">gw</subfield><subfield code="c">XA-DE-BE</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-473</subfield><subfield code="a">DE-634</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">004.65</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">QH 460</subfield><subfield code="0">(DE-625)141596:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">ST 200</subfield><subfield code="0">(DE-625)143611:</subfield><subfield code="2">rvk</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">004</subfield><subfield code="2">sdnb</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Dissemination of information in communication networks</subfield><subfield code="b">broadcasting, gossiping, leader election, and fault-tolerance</subfield><subfield code="c">J. Hromkovič ...</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Berlin [u.a.]</subfield><subfield code="b">Springer</subfield><subfield code="c">2005</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">XIII, 361 S.</subfield><subfield code="b">graph. Darst.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="0" ind2=" "><subfield code="a">Texts in theoretical computer science</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Telekommunikationsnetz - Verbindungsstruktur - Gossiping - Broadcastingverfahren - Fehlertoleranz - Berechnungskomplexität</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Broadcastingverfahren</subfield><subfield code="0">(DE-588)4203949-6</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Gossiping</subfield><subfield code="0">(DE-588)4344427-1</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Telekommunikationsnetz</subfield><subfield code="0">(DE-588)4133586-7</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Verbindungsstruktur</subfield><subfield code="0">(DE-588)4316956-9</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Berechnungskomplexität</subfield><subfield code="0">(DE-588)4134751-1</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Fehlertoleranz</subfield><subfield code="0">(DE-588)4123192-2</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Telekommunikationsnetz</subfield><subfield code="0">(DE-588)4133586-7</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="1"><subfield code="a">Verbindungsstruktur</subfield><subfield code="0">(DE-588)4316956-9</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="2"><subfield code="a">Gossiping</subfield><subfield code="0">(DE-588)4344427-1</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="3"><subfield code="a">Broadcastingverfahren</subfield><subfield code="0">(DE-588)4203949-6</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="4"><subfield code="a">Fehlertoleranz</subfield><subfield code="0">(DE-588)4123192-2</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="5"><subfield code="a">Berechnungskomplexität</subfield><subfield code="0">(DE-588)4134751-1</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="5">DE-604</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hromkovič, Juraj</subfield><subfield code="d">1958-</subfield><subfield code="e">Sonstige</subfield><subfield code="0">(DE-588)123212898</subfield><subfield code="4">oth</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">DNB Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013179332&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield></record></collection> |
| id | DE-604.BV019854710 |
| illustrated | Illustrated |
| indexdate | 2024-07-20T08:00:09Z |
| institution | BVB |
| isbn | 3540008462 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-013179332 |
| oclc_num | 249214633 |
| open_access_boolean | |
| owner | DE-473 DE-BY-UBG DE-634 |
| owner_facet | DE-473 DE-BY-UBG DE-634 |
| physical | XIII, 361 S. graph. Darst. |
| publishDate | 2005 |
| publishDateSearch | 2005 |
| publishDateSort | 2005 |
| publisher | Springer |
| record_format | marc |
| series2 | Texts in theoretical computer science |
| spelling | Dissemination of information in communication networks broadcasting, gossiping, leader election, and fault-tolerance J. Hromkovič ... Berlin [u.a.] Springer 2005 XIII, 361 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Texts in theoretical computer science Telekommunikationsnetz - Verbindungsstruktur - Gossiping - Broadcastingverfahren - Fehlertoleranz - Berechnungskomplexität Broadcastingverfahren (DE-588)4203949-6 gnd rswk-swf Gossiping (DE-588)4344427-1 gnd rswk-swf Telekommunikationsnetz (DE-588)4133586-7 gnd rswk-swf Verbindungsstruktur (DE-588)4316956-9 gnd rswk-swf Berechnungskomplexität (DE-588)4134751-1 gnd rswk-swf Fehlertoleranz (DE-588)4123192-2 gnd rswk-swf Telekommunikationsnetz (DE-588)4133586-7 s Verbindungsstruktur (DE-588)4316956-9 s Gossiping (DE-588)4344427-1 s Broadcastingverfahren (DE-588)4203949-6 s Fehlertoleranz (DE-588)4123192-2 s Berechnungskomplexität (DE-588)4134751-1 s DE-604 Hromkovič, Juraj 1958- Sonstige (DE-588)123212898 oth DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013179332&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Dissemination of information in communication networks broadcasting, gossiping, leader election, and fault-tolerance Telekommunikationsnetz - Verbindungsstruktur - Gossiping - Broadcastingverfahren - Fehlertoleranz - Berechnungskomplexität Broadcastingverfahren (DE-588)4203949-6 gnd Gossiping (DE-588)4344427-1 gnd Telekommunikationsnetz (DE-588)4133586-7 gnd Verbindungsstruktur (DE-588)4316956-9 gnd Berechnungskomplexität (DE-588)4134751-1 gnd Fehlertoleranz (DE-588)4123192-2 gnd |
| subject_GND | (DE-588)4203949-6 (DE-588)4344427-1 (DE-588)4133586-7 (DE-588)4316956-9 (DE-588)4134751-1 (DE-588)4123192-2 |
| title | Dissemination of information in communication networks broadcasting, gossiping, leader election, and fault-tolerance |
| title_auth | Dissemination of information in communication networks broadcasting, gossiping, leader election, and fault-tolerance |
| title_exact_search | Dissemination of information in communication networks broadcasting, gossiping, leader election, and fault-tolerance |
| title_full | Dissemination of information in communication networks broadcasting, gossiping, leader election, and fault-tolerance J. Hromkovič ... |
| title_fullStr | Dissemination of information in communication networks broadcasting, gossiping, leader election, and fault-tolerance J. Hromkovič ... |
| title_full_unstemmed | Dissemination of information in communication networks broadcasting, gossiping, leader election, and fault-tolerance J. Hromkovič ... |
| title_short | Dissemination of information in communication networks |
| title_sort | dissemination of information in communication networks broadcasting gossiping leader election and fault tolerance |
| title_sub | broadcasting, gossiping, leader election, and fault-tolerance |
| topic | Telekommunikationsnetz - Verbindungsstruktur - Gossiping - Broadcastingverfahren - Fehlertoleranz - Berechnungskomplexität Broadcastingverfahren (DE-588)4203949-6 gnd Gossiping (DE-588)4344427-1 gnd Telekommunikationsnetz (DE-588)4133586-7 gnd Verbindungsstruktur (DE-588)4316956-9 gnd Berechnungskomplexität (DE-588)4134751-1 gnd Fehlertoleranz (DE-588)4123192-2 gnd |
| topic_facet | Telekommunikationsnetz - Verbindungsstruktur - Gossiping - Broadcastingverfahren - Fehlertoleranz - Berechnungskomplexität Broadcastingverfahren Gossiping Telekommunikationsnetz Verbindungsstruktur Berechnungskomplexität Fehlertoleranz |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=013179332&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT hromkovicjuraj disseminationofinformationincommunicationnetworksbroadcastinggossipingleaderelectionandfaulttolerance |