1. Σκοπός Χαρακτηριστικά διεπαφώμ για υπηρεσίες μισθωμέμωμ γραμμώμ... 4

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1 Τευμικέπ ποξδιαγοατέπ διεπατώμ δικςύξσ hellas online 2011

2 Περιεχόμεμα 1. Σκοπός Χαρακτηριστικά διεπαφώμ για υπηρεσίες μισθωμέμωμ γραμμώμ Τεχμολογίας SDH Τεχμολογίας Ethernet Χαρακτηριστικά διεπαφώμ για υπηρεσίες πρόσβασης ADSL Χαρακτηριστικά διεπαφώμ για υπηρεσίες πρόσβασης EFM & SHDSL Χαρακτηριστικά διεπαφώμ για υπηρεσίες πρόσβασης Ασύρματου δικτύου Υπηρεσία PRI-telephony (ISDNE-PRA) Υπηρεσίες Ευρυζωμικής Τηλεφωμίας (SIP protocol based) Συμτομογραφίες

3 1. Σκοπός Σκξπόπ ςξσ παοόμςξπ εγγοάτξσ είμαι μα πεοιγοάφει ςιπ ςευμικέπ ποξδιαγοατέπ ςχμ διεπατώμ μέρχ ςχμ ξπξίχμ παοέυει ςηλεπικξιμχμιακέπ σπηοερίεπ ρςξ κξιμό, όπχπ ασςό ποξκύπςει από ςξ άοθοξ 4 ςξσ Ποξεδοικξύ Διαςάγμαςξπ 44/2002 (ΦΕΚ 44/Α/ ). 3

4 2. Χαρακτηριστικά διεπαφώμ για υπηρεσίες μισθωμέμωμ γραμμώμ 2.1. Τεχμολογίας SDH Οι σπηοερίεπ μιρθχμέμχμ γοαμμώμ ςευμξλξγίαπ SDH παοέυξμςαι με ςξσπ ενήπ οσθμξύπ δεδξμέμχμ: 1. N x64kbps (όπξσ n=2 31) unbalanced (120 Ohm) 2. n x Ε1 (2048Kbps) unbalanced (120 Ohm). 3. E3 or T3 (34Mbps or 45Mbps) 4. STM1 optical (155Mbps) 5. STM4 (622 Mbps) 6. STM16 (2,5G) Οι μιρθχμέμεπ γοαμμέπ πξσ παοέυξσμ ςιπ παοαπάμχ ςαυύςηςεπ ακξλξσθξύμ ςα παοακάςχ ποόςσπα ςηπ ITU-T Πρότυπα διεπαφής SDH: ITU-T Rec. G.703 ITU-T G.704 ITU-T Rec. G.707 ITU-T Rec. G.813 ITU-T Rec. G.821, G.826 ITU-T Rec. G.957, G.958 ITU-T Rec. G.958 ITU-X.21 Physical/Electrical characteristics of hierarchical digital Interfaces Synchronous frame structures used at primary and secondary hierarchical levels. Frame format for E1 (2048Kbps) signal Network node interface for SDH Timing characteristics of SDH equipment slave clocks Transmission quality Optical interfaces for equipments and systems relating to synchronous digital hierarchy Digital networks, digital sections and digital line systems Interface between Data Terminal Equipment and Data Circuit Terminating Equipment for Synchronous operation on Public Data Networks 4

5 ITU-T G.825 ITU-T G.706 The control of jitter and wander within digital networks which are based on the SDH hierarchy Frame alignment and cyclic redundancy check (CRC) procedures relating to basic frame structures defined in recommendation G Τεχμολογίας Ethernet Οι σπηοερίεπ Ethernet μέρξ μιρθχμέμχμ γοαμμώμ ποξρτέοξμςαι ρε όλεπ ςιπ διαθέριμεπ ςαυύςηςεπ από 2 Mbps έχπ 1 Gbps. Οι διεπατέπ πξσ υοηριμξπξιξύμςαι για ςημ διάθερη ςχμ παοαπάμχ είμαι Πρότυπα διεπαφής ETHERNET: IEEE (14) 10BASE-T Runs over four wires (two twisted pairs) on a Category 3 or Category 5 cable for 10 Mbit/s Ethernet rates. IEEE (21) 100BASE-T A term for any of the three standard for 100 Mbit/s Ethernet over twisted pair cable. Includes 100BASE-TX, 100BASE-T4 and 100BASE-T2. IEEE BASE-T A term for any of the three standard for 1000 Mbit/s Ethernet over at least Category 5 cable, with Category 5e strongly recommended copper cabling with four twisted pairs. IEEE BASE-SX A term for 1000 Mbit/s Ethernet transmission over Multimode fiber pair for distances up to 550m. IEEE BASE-LX A term for 1000 Mbit/s Ethernet transmission over Single mode fiber pair using 1,310 nm wavelength for distances up to 10Km. IEEE BASE-LX A term for 1000 Mbit/s Ethernet transmission over Single mode fiber pair using 1,550 nm wavelength for distances up to 70Km. 5

6 3. Χαρακτηριστικά διεπαφώμ για υπηρεσίες πρόσβασης ADSL Tξ δίκςσξ ποόρβαρηπ είμαι βαριρμέμξ ρςξ ποχςόκξλλξ ADSL (Asymmetric Digital Subscriber Line) και ρσγκεκοιμέμα ρςα παοακάςχ ποόςσπα ADSL και PSTN. Πρότυπα διεπαφής PSTN: ETSI European Telecommunication Standard. Attachments to the Public Switched telephone Network (PSTN) ; General requirements for equipment connected to an analogue subscriber interface in the PSTN (Edition ) ETSI TBR 21 Terminal Equipment (TE); Attachment requirements for pan-european approval for connection to the analogue Public Switched Telephone Networks (PSTNs) of TE (excluding TE supporting the voice Telephony service) in which network addressing, if provided, is by means of Dual Tone Multi Frequency (DTMF) signalling Πρότυπα διεπαφής ISDN: ITU-T I.411/ETSI EN ETSI EN ITU-T I ITU-T I.610 ITU-T Q.921 ITU-T Q.931 Digital Subscriber Signalling System No. 1 (DSS1), also known as Euro-ISDN or E-DSS1 (European DSS1), is a digital signaling protocol (D channel protocol) used for the ISDN. The interface is also called NET3 for BRI and NET5 for PRI lines Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control B-ISDN ATM Adaptation Layer 5 Specifications B-ISDN ATM operation and maintenance principles and functions ISDN user-network interface - Data link layer specification ISDN user-network interface layer 3 specification for basic call control 6

7 Πρότυπα διεπαφής ADSL: ETSI TS : Transmission and Multiplexing; Access transmission systems on metallic access cables ; Asymmetric Digital Subscriber Line (ADSL) Coexistence of ADSL and ISDN-BA on the same pair. ETSI TS : Transmission and Multiplexing (TM); Access transmission system on metallic access cable; Symmetric single pair high bit rate Digital Subscriber Line (SDSL) ΙTU-T G G.DMT ITU-T G Annex A, B ITU-T G G.lite ITU-T G & G (Annex A, B, L, M) ITU-T G (Annex A, B, M) Asymmetrical Digital Subscriber Line (ADSL) Transceivers over POTS or ISDN Asymmetrical Digital Subscriber Line 2 (ADSL2) Transceivers over POTS or ISDN Asymmetrical Digital Subscriber Line (ADSL) Transceivers 2+ (ADSL2+) over POTS or ISDN 7

8 4. Χαρακτηριστικά διεπαφώμ για υπηρεσίες πρόσβασης EFM & SHDSL Επίρηπ ςξ δίκςσξ ποόρβαρηπ σιξθεςεί ςξ ποχςόκξλλξ SHDSL (Symmetrical Digital Subscriber Line) και ρσγκεκοιμέμα ςα παοακάςχ ποόςσπα διεπατώμ. Πρότυπα διεπαφής SHDSL: ITU-T G Annex A, B Symmetrical Digital Subscriber Line Transceivers (G.SHDSL) ITU-T G (2003 version) Symmetrical Digital Subscriber Line Appendix F Transceivers (G.SHDSL.bis) IEEE 802.3ah Ethernet in the First Mile (EFM) 8

9 5. Χαρακτηριστικά διεπαφώμ για υπηρεσίες πρόσβασης Ασύρματου δικτύου Τξ δίκςσξ ποόρβαρηπ σιξθεςεί ςξ ποόςσπξ Wi-Fi για ςημ παοξυή σπηοεριώμ ποόρβαρηπ ρςξ Διαδύκςιξ μέρχ αρύομαςηπ ρύμδερηπ μικοήπ εμβέλειαπ ρε ειδικά διαμξοτχμέμα ρημεία Wifi HotSpots. Πρότυπα διεπαφής Ασύρματου Δικτύου Πρόσβασης: IEEE b IEEE g Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Higher Speed Physical Layer Extension in the 2.4GHz Band Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications Amendment 4: Further Higher Data Rate Extension in the 2.4 GHz Band 9

10 6. Υπηρεσία PRI-telephony (ISDNE-PRA) Η σπηοερία PRI-telephony παοέυεςαι μέρχ δικςύξσ ςηλετχμίαπ NGN και δικςύξσ ποόρβαρηπ/μεςάδξρηπ ςύπξσ SDH ποξπ ςξμ ςελικό πελάςη και με ςα παοακάςχ ποόςσπα : Πρότυπα Διεπαφής: Layer 1 : ETS ETS ETS Layer 2 : ETS ETS Layer 3 : ETS ETS Integrated Services Digital Network (ISDN); Access digital section for ISDN primary rate Transmission and Multiplexing (TM); Physical and electrical characteristics of hierarchical digital interfaces for equipment using the kbit/s - based plesiochronous or synchronous digital hierarchies Transmission and Multiplexing (TM); Functional characteristics of kbit/s interfaces Integrated Services Digital Network (ISDN); User-network interface data link layer specification; Application of CCITT Recommendations Q.920/I.440 and Q.921/I.441 Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Data link layer; Integrated Services Digital Network (ISDN); User-network interface layer 3 Specifications for basic call control Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control; 10

11 7. Υπηρεσίες Ευρυζωμικής Τηλεφωμίας (SIP protocol based) Η σπηοερία εσοσζχμικήπ ςηλετχμίαπ παοέυεςαι μέρχ δικςύξσ ςηλετχμίαπ IMS και δικςύξσ ποόρβαρηπ/μεςάδξρηπ ςύπξσ ADSL/IP ποξπ ςξμ ςελικό πελάςη και με ςα παοακάςχ ποόςσπα : Πρότυπα Διεπαφής 3GPP TS , V7.5.0 ( ) 3GPP TS ,V7.5.1 ( ) IP Multimedia Subsystem (IMS) IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) ES , V1.1.1 ( ) IP Multimedia Subsystems (IMS); Functional architecture ES , V1.1.1 ( ) IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Stage 3 ES , V1.1.1 ( ) Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Network Attachment Sub-System (NASS); e2 interface based on the DIAMETER protocol RFC 3261 SIP: Session Initiation Protocol RFC 3262 Reliability of Provisional Responses in the Session Initiation Protocol (SIP) RFC 3263 Session Initiation Protocol (SIP): RFC 3264 RFC 3265 RFC 3311 RFC 3515 Locating SIP Servers An Offer/Answer Model with the Session Description Protocol (SDP) Session Initiation Protocol (SIP)-Specific Event Notification The Session Initiation Protocol (SIP) UPDATE Method The Session Initiation Protocol (SIP) 11

12 REFER method RFC 3608 Session Initiation Protocol (SIP) Extension Header Field for Service Route Discovery During Registration RFC 3966 The tel URI for Telephone Numbers RFC 4028 Session Timers in the Session Initiation Protocol (SIP) RFC 4566 SDP: Session Description Protocol RFC 3325 Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted Networks RFC 3455 Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP) 12

13 8. Συμτομογραφίες ADSL AΤΜ CES ETSI IEEE ITU ISP PP Asynchronous Digital Subscriber Line Asynchronous Transfer Mode Circuit Emulation Service European Technical Standards Institute US Institute of Electrical and Electronics Engineers International Telecommunication Union Internet Service Provider Point-to-Point 13